Home > Archive > 2021 No. 03

2021 No. 03

Publish Date：2021-03-06
ISSN：0258-7998
CN：11-2305/TN
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Special Column-Network and Business Requirements for 6G

Trustworthy requirements and application scenarios in 6G network

DOI：10.16157/j.issn.0258-7998.211361

Author：Liu Qiuyan1，Li Mingxuan1，Lv Xuan2，Li Jiajun3，Zhang Zhonghao1，Li Fuchang1，Zhu Xuetian1

Author Affilications：1.China Unicom Research Institute，Beijing 100048，China； 2.China Unicom Beijing Branch，Beijing 100031，China；3.China Unicom Huasheng Co.，Ltd.，Beijing 100031，China

Abstract：In this paper, trusted networking is proposed as one of the most important technologies trend in 6G network according to the status of services and applications in 5G network. In 6G network, network trust is proposed as a complementary concept of network security. Compared with network security based on the presumption of guilt, network trust is designed based on the presumption of innocence to prove itself without network attack of threat. Finally, trust requirements in next generation network are analyzed with the trend of higher frequency spectrum, capital expenditure, operational expenditure, and multi-domain integrated, including random access network sharing, space-ground integrated network and massive connection Internet of Things.
Key word：
wireless network
6G
trusted network
requirement analysis
View(10216)

Discussion of requirement，version and application scenarios toward 6G communications

DOI：10.16157/j.issn.0258-7998.211374

Author：Wang Yuxin1，2，3，Zhang Xiuyin1，Xu Hanqing2，3，Tang Jie1，Chen Zhen1

Author Affilications：1.School of Electronics and Information，South China University of Technology，Guangzhou 510641，China； 2.ZTE Corporation，Shenzhen 518055，China； 3.State Key Laboratory of Mobile Network and Mobile Multimedia Technology，Shenzhen 518055，China

Abstract：While 5G network is currently being deployed around the world, number of reserchers and organizations have begun to study 6G. This paper analyzes the challege of 5G network firstly, and then discusses the requirements, version and application scenarios toward 6G, and predicts the key performance indicators of 6G.
Key word：
B5G/6G
requirement
version
AI
View(9510)

The sixth-generation mobile communication network with endogenous intelligence： architectures，use cases and challenges

DOI：10.16157/j.issn.0258-7998.211392

Author：Sun Yaohua，Wang Zeyu，Yuan Shuo，Peng Mugen

Author Affilications：State Key Laboratory of Networking and Switching Technology，Beijing University of Posts and Telecommunications， Beijing 100876，China

Abstract：In order to meet the growing demand of new services and facilitate the application of communication technology in vertical industries, mobile communication networks will gradually evolve with more intelligence, finally resulting in endogenous intelligence in the 6G era. However, most of the current research focuses on artificial intelligence(AI) based transmission and network optimization methods and rarely discusses how to support AI efficiently in the perspective of network architecture design. To fill this gap, this paper introduces the advances in wireless network architectures with endogenous intelligence proposed by both industry and academia and then discusses two use cases as well as related challenges.
Key word：
6G
wireless network architecture
artificial intelligence
View(13658)

Review and Comment

Driving effect of big data on 5G network and service optimization

DOI：10.16157/j.issn.0258-7998.201191

Author：Kan Yifu1，Zhang Tuo2

Author Affilications：1.Engineering College of Yanbian University，Yanbian 133002，China；2.63850 Army，Baicheng 137000，China

Abstract：5G network itself belongs to the mobile communication network. After the comprehensive upgrading and transformation of network transmission mode, 5G network can ensure shorter communication delay effect, improve the quality of mobile communication and create a new fast communication network operation mode. Specifically, in the current practice of overall optimization and transformation of network service mode, the basic measure is to integrate the important driving technical means of big data, fully rely on big data means and platform to optimize the overall implementation effect of network service, and create the best mobile communication experience for network users.
Key word：
big data
5G network
service optimization
driving role
View(9806)

Artificial Intelligence

Research on the design and optimization method of CNN accelerator based on HLS tools

DOI：10.16157/j.issn.0258-7998.200841

Author：Cheng Jiafeng，Wang Hongliang

Author Affilications：National Key Laboratory for Electronic Measurement Technology，North University of China，Taiyuan 030051，China

Abstract：Based on the idea of software and hardware co-design, this article uses HLS tools to design and implement a convolutional neural network accelerator on the PYNQ-Z2 platform, and uses the matrix cutting optimization method for convolution operations to balance resource consumption and computing resources , so that the performance of the accelerator is optimized. This article uses the MNIST data set to test the performance of the accelerator IP core. The experimental results show that: for a single image test, the accelerator achieves an acceleration effect of 5.785 compared with the ARM platform, and an acceleration of 9.72 for a 1000 image test. As a result, as the number of test images continues to increase, the performance of the accelerator will become better and better.
Key word：
convolutional neural network(CNN)
PYNQ-Z2
HLS tool
accelerator
View(11850)

GSDCPeleeNet：efficient lightweight convolutional neural based on PeleeNet

DOI：10.16157/j.issn.0258-7998.200844

Author：Ni Weijian，Qin Huibin

Author Affilications：Institute of New Electronic Devices and Applications，School of Electronic Information，Hangzhou Dianzi University， Hangzhou 310018，China

Abstract：Convolutional neural network plays an important role in various fields, especially in the field of computer vision, but its application in mobile devices is limited by the excessive number of parameters and computation. In view of the above problems, a new convolution algorithm, Group-Shard-Dense-Channle-Wise, is proposed in combination with the idea of grouping convolution and parameter sharing and dense connection. Based on the PeleeNet network structure, an efficient lightweight convolutional neural network, GSDCPeleeNet, is improved by using the convolution algorithm. Compared with other convolutional neural networks, this network has almost no loss of recognition accuracy or even higher recognition accuracy under the condition of fewer parameters. In this network, the step size s in the channel direction of convolution kernel in the 1×1 convolutional layer is selected as the super parameter. When the number of network parameters is smaller, better image classification effect can be achieved by adjusting and selecting the super parameter appropriately.
Key word：
image classification
convolutional neural network
lightweight
dense connectivity
parameter sharing
View(11580)

Microelectronic Technology

Design of dedicated DMA applied to navigation SoC

DOI：10.16157/j.issn.0258-7998.200909

Author：Qin Shuang1，2，Li Jian1，Yang Ying1，Chen Jie1

Author Affilications：1.Institute of Microelectronics of the Chinese Academy of Sciences，Beijing 100029，China； 2.University of Chinese Academy of Sciences，Beijing 100049，China

Abstract：The rapid development of satellite navigation technology and society has made the demand for high-precision positioning increasingly large. With the increase of navigation systems and frequency points, the amount of data that needs to be processed in the navigation module is increasing. The general DMA(Direct Memory Access)controller cannot complete the transmission of a large number of channels, and the transmission using the CPU requires a lot of CPU time. The dedicated DMA applied to the navigation system on chip(SoC) supports the data movement of the navigation channel of the whole system and the whole frequency point. After testing and verification, the clock cycle required by the DMA to move the same channel number of data is one-third of the CPU One, effectively improving the efficiency of the CPU. Low-power optimization technology is used in the design, after optimization, the dynamic power consumption of the DMA module is reduced to 15% of the original.
Key word：
navigation
SoC
DMA
View(14310)

Measurement Control Technology and Instruments

Research on the design scheme of high reliability fairing air conditioning system

DOI：10.16157/j.issn.0258-7998.200550

Author：Liu Xuefei1，Liu Hong1，Kuai Liang1，Su Shishi2，Wang Shuai1，Min Xiaoshuang1

Author Affilications：1.The 6th Research Institute of China Electronics Corporation，Beijing 102209，China； 2.CS＆S Information System Engineering Co.，Ltd.，Beijing 102209，China

Abstract：Aiming at the requirements of the design parameters temperature, humidity and air volume of the fairing air conditioner in a launch site, the implementation plan of the traditional fairing air conditioning system was investigated. In this paper, from the aspects of information security and reliability, a redundant automatic control system for air conditioning with fairing based on domestic PLC was proposed. In this regard, the article introduces the functions of domestic super Yu PLC components, redundant unit system scheme, and builds the system architecture and control scheme from the hardware and software aspects. Through on-site experimental debugging, the feasibility and stability of the fairing air conditioning control system are verified, and it has obvious advantages such as safety and reliability. It solves the problem of zero application of domestic PLC in the fairing air conditioning system and is a high reliability fairing air conditioning system design plan.
Key word：
fairing
air-conditioning control system
PLC
independent safety
View(9210)

SOC estimation of lithium battery based on extended Kalman filter algorithm

DOI：10.16157/j.issn.0258-7998.200607

Author：Cui Gengtao，Jiang Weihua，Tu Wei

Author Affilications：School of Electrical Information,Wuhan Institute of Technology，Wuhan 443000，China

Abstract：In the battery management system, the accurate estimation of State of Charge(SOC) has an important position, its impor- tance is not only to the user prompt battery remaining power, more is that it is the basis of the battery charge and discharge management and balanced control management.And SOC is affected by many factors, such as temperature and current size,direction,etc,so it is difficult to predict it accurately.In this paper, an extended Kalman filter(EKF) algorithm is proposed to estimate the SOC of lithium battery.The battery model was established, and the parameter identification was carried out through the Hybrid Pulse Power Characteristic(HPPC) test.The SOC estimation error of the model is about 2.1% under constant discharge,it shows that the model is effective and easy to apply.
Key word：
the lithium battery
EKF algorithm
HPPC test
SOC estimation
View(8244)

Communication and Network

Binary space partition-based anomaly detection algorithm in wireless sensor networks

DOI：10.16157/j.issn.0258-7998.200872

Author：Zhou Wanli1，Wang Ziqian2，Xie Wanli1，Tan Anzu1，Yu Jieyue3

Author Affilications：1.Information Management Office，Eye Hospital, Wenzhou Medical University，Wenzhou 325000，China； 2.Testing Department，Zhejiang Fangyuan Testing Group Co.，Ltd.，Hangzhou 310000，China； 3.College of Digital Media, Hangzhou University of Electronic Science and Technology，Hangzhou 310000，China

Abstract：The performance of wireless sensor networks(WSNs) depends on the quality of the data collected. At first, the data sensed by the node is rough, and an effective data detection algorithm should be used to distinguish abnormal data from normal data. Therefore, binary space partition-based anomaly detection(BSP-AD) algorithm is proposed in this paper. The BSP-AD algorithm trains and tests data through binary space partition(BSP) trees. Firstly, the range of normal data is obtained through the training data, and then some abnormal parts in the test data are detected through this range. Simulation results show that the proposed BSP-AD algorithm can accurately detect abnormal data, and the cost of calculation and storage is lower than IDLO algorithm.
Key word：
wireless sensor networks(WSNs)
anomaly detection
binary space partition(BSP)
mass estimation
split point
View(11008)

A way of decreasing the reliability of new OFDM data link

DOI：10.16157/j.issn.0258-7998.200561

Author：Su Yuhang，Chen Zhao，Zhai Nuo，Jing Shiqi

Author Affilications：School of Mechanical and Electronic Information，China University of Geosciences Wuhan，Wuhan 430000，China

Abstract：A new OFDM data link model based on OCML is proposed to solve the problem of reliability of data link of air-to-ground radar. The above model uses OCML spatiotemporal chaotic sequence to improve CCSK soft spread spectrum, and simulates with coding and modulation techniques. Simulation analysis shows that the new OFDM data link model based on OCML can effectively improve the reliability of pseudorandom sequences in CCSK due to poor autocorrelation, significantly improve the bit error rate of the system and effectively improve the reliability of air-to-ground radar data chain.
Key word：
air-ground radar data link
RS coding
CCSK
OCML
OFDM
View(5880)

Computer Technology and Its Applications

Controlling the laser foreign matter remover device by smart terminals

DOI：10.16157/j.issn.0258-7998.200441

Author：Yang Bo，Liu Chuanli，Wu Yingdi，Cai Yafen

Author Affilications：CTTL-Systems，China Academy of Information and Communications Technology，Beijing 100045，China

Abstract：Using laser to remove foreign matters on overhead high-voltage transmission lines has already become a mainstream method in recent years. In this paper, by analyzing the procedures of the removing operation as well as its demand on the control system of the remover device, a novel design of control system is proposed, in which the calculation are mainly performed in a generic smart terminal device connecting wirelessly to the actuator-driving part. The complete hardware design and software flow are also introduced. Comparing to the conventional integrated control system, this design is more flexible, easier to maintain and upgrade, and is of lower cost. Experiments show that, remover device controlled by this system can perform the removing operation accurately and reliably.
Key word：
laser foreign matter remover
smart terminal device
wireless control
modularization
View(4756)

Side-channel analysis in frequency domain with clustering

DOI：10.16157/j.issn.0258-7998.200300

Author：Cai Juesong，Yan Yingjian，Zhu Chunsheng，Guo Pengfei

Author Affilications：PLA Information Engineering University，Zhengzhou 450002，China

Abstract：The alignment of power traces is one of the key factors affecting the success of side-channel analysis. Frequency-domain side-channel analysis can effectively solve the alignment of power traces in the time domain. However, frequency-domain side-channel analysis usually requires more power traces. In order to improve this problem, this paper proposes a frequency-domain side-channel analysis method based on clustering. After the effective signal frequencies are separated through the clustering algorithm in machine learning, side-channel analysis is carried out to reduce the number of power traces. Experiments show that this method can reduce the number of power traces required for frequency-domain side-channel analysis in different degrees.
Key word：
side-channel analysis
frequency domain
machine learning
clustering
power traces
View(5938)

Design and implementation of food traceability system based on Hyperledger Fabric

DOI：10.16157/j.issn.0258-7998.200303

Author：Duan Ranyang，Zhou Wenhui，Wei Xiao，Wang Long

Author Affilications：National Computer System Engineering Research Institute of China，Beijing 100083，China

Abstract：In the traditional food safety traceability systems, there are many problems such as lack of shared data, centralization and islanding of information storage. Since blockchain systems have the characteristics of decentralization, tamper-resistance, and trustworthiness, this paper proposes a food traceability system based on Hyperledger Fabric blockchain.Then Hyperledger Fabric was described in detail. The technical principles and characteristics of Hyperledger Fabric blockchain technology was clarified. Comprehensive practical use of food safety traceability system and detailed design of food traceability system based on Hyperledger Fabric blockchain were expounded. Finally, the food traceability system based on the Hyperledger Fabric blockchain was set up，and the related functional test and performance test of the system verified the feasibility and effectiveness of the plan properly.
Key word：
blockchain
food traceability
Hyperledger Fabric
View(7714)

A morphological filtering algorithm research for neighbor noise

DOI：10.16157/j.issn.0258-7998.200294

Author：Wen Fulin1，Zhang Kai2，Pu Feng1，Tang Suli1

Author Affilications：1.Department of Electronics，Sichuan Aerospace Vocational College，Guanghan 618300，China； 2.School of Mechanical Engineering，Sichuan University，Chengdu 610065，China

Abstract：The suspicious noise points are taken as center to construct a certain size neighborhood in this paper. Morphological close filtering is performed by pepper noise neighborhood. Then, morphological open filtering is applied by neighborhood salt noise point. The gray values of suspected noise points are replaced by filtered gray value of neighborhood center point. During the transforming process, gray values of non-suspicious noise points remain unchanged. Experiments show that this scheme is practical and plausible. The filtered image has advantages of less mean square error and high peak signal-to-noise ratio. Compared with the median filtering algorithm, the morphological open-close filtering algorithm，and the adaptive filtering algorithm, this proposed improved algorithm provides a better filtering property.
Key word：
salt-and-pepper noise
morphology
filter
structuring elements
View(6198)

Calibration algorithm of contact contour scanner system

DOI：10.16157/j.issn.0258-7998.200654

Author：Gao Tong1，Chen Hong1，Zhang Liang2，Wang Jinqi3

Author Affilications：1.State Key Laboratory of Electronic Test Technology，Key Lab of Instrument Science and Dynamic Measurement， North University of China，Taiyuan 030051，China； 2.College of Transportation and Logistics，Taiyuan University of Science and Technology，Taiyuan 030051，China； 3.Shanghai Radio Equipment Research Institute，Shanghai 201109，China

Abstract：The principle of the contact contour scanner is to use the length sequence returned by the encoder and the rotation angle of the rotating platform to determine the contour coordinates of the object to be measured. Since the starting point of the detection hook does not coincide with the center of the rotating platform，it leads to the contour drawn directly from the measured data is not accurate. In order to solve this error, this paper proposes a method that does not need to establish the precise error model of the system, but to obtain system parameters by using the data obtained from the square calibration plate with known measurement size, and then calibrates the contour coordinates online. The measurement process was simulated through programming and the parameters obtained were compared with the ideal parameter values. The simulation data showed that the algorithm could control the measurement error below 0.5 mm and the angle error below 0.1°, which met the accuracy requirements of the equipment and could restore the real contour of the graph under test.
Key word：
contact measurement
coordinate calibration
least squares
fitting
the calibration model
View(6910)

Embedded Technology

Optimization of beam pointing algorithm based on PowerPC

DOI：10.16157/j.issn.0258-7998.200944

Author：Lei Shulan，Wu Huixiang，Li Wenxue

Author Affilications：The fifty-eighth Research Institute of China Electronic Technology Group Corporation，Wuxi 214063，China

Abstract：Based on PowerPC architecture, this paper proposes an optimization strategy of beam pointing algorithm, which is realized from the trigonometric function calculation optimization, floating point arithmetic optimization, loop nesting optimization, and PowerPC instruction optimization. Through the optimization algorithm proposed in this paper, the processing time of the algorithm is reduced to one tenth of the original. At the same time, the optimization strategy proposed in this paper also has certain guidance and reference for the algorithm development and optimization of other platforms.
Key word：
beam pointing
PowerPC architecture
CORDIC algorithm
instruction set
View(8686)

Design of vocieprint recognition system based on CNN-LSTM neural network

DOI：10.16157/j.issn.0258-7998.200960

Author：Mu Junjie，Yao Gang，Sun Tao

Author Affilications：Coastal Defense College，Naval Aviation University，Yantai 264001，China

Abstract：For warning of cardiovascular disease,in order to early detect the change of heart and lung voice representing the signs of danger,the vocieprint recognition system based on CNN-LSTM is designed. Using the Internet of Things technology coalescing the heart rate sensor chip, single-chip computer, electronic stethoscope, such as equipments,it can monitor the heart rate in real-time, early warn.And the cardiopulmonary sound recognition model based on the CNN-LSTM algorithm is trained, results show that the loss value is 0.082, accuracy rate of 0.908. The system is forward-looking and has a complete structural framework, which can effectively avoid the waste of medical resources, preposite the countermeasures for cardiovascular diseases.It has a broad application prospect in the market, and plays a significant role in promoting smart medical treatment.
Key word：
CNN
LSTM
features extraction
MFCC
cardiovascular disease
vocieprint recognition
View(13778)

Design and analysis of the control system of a fully automatic screw feeder

DOI：10.16157/j.issn.0258-7998.200313

Author：Zhao Jiati，San Hongjun

Author Affilications：School of Mechanical and Electrical Engineering，Kunming University of Science and Technology，Kunming 650550，China

Abstract：In order to realize the efficient supply and delivery of screws in the production line, then apply to the automatic product assembly line, this paper designs a screw feeder control system based on STC12C5410 single chip microcomputer. STC12C5410 is the hardware core controller of the system, including the function of material shortage alarm, arranging and conveying screws and so on. The system mainly realizes feeding by the photoelectric switch and solenoid valves, which effectively improves the efficiency and stability of screw conveying. In addition, the circuit of adjusting the torque of the electric batch and controlling the brake of the motor is designed, and the simulation and experiment are carried out to provide the technical preparation for the later integration of this function into the matching electric batch.
Key word：
STC12C5410
screw feeder
torque control
motor brake control
View(11150)

Circuits and Systems

Research on high-output-voltage power supply with wide input voltage range for electric propulsion system

DOI：10.16157/j.issn.0258-7998.200880

Author：Shi Kaimin1，2，Zhang Donglai3，Wang Zicai2，Zhang Hua3，Lv Wenqi3

Author Affilications：1.School of Astronautics，Harbin Institute of Technology，Harbin 150001，China； 2.Shenzhen Academy of Aerospace Technology，Shenzhen 518057，China； 3.School of Mechanical Engineering and Automation，Harbin Institute of Technology(Shenzhen)，Shenzhen 518055，China

Abstract：Power Processing Unit(PPU) is the central part of the xenon ion electric propulsion system, and its size, weight, and key technical difficulties usually exceed the thruster itself. The high-power and high-output-voltage power supplies, such as beam supply and anode supply, are the main parts of the electric propulsion power system. In this paper, a two power stage beam supply topology is proposed to meet the requirement of multi-mode electric propulsion system. The front stage is an interleaved boost converter, which is adopted to adjust the total output voltage. The second stage is based on a full-bridge resonant converter able to provide very high output voltage, which operates the fixed optimum switching frequency. The power converter control strategy and design principles of magnetic components are studied and finally the corresponding experimental results are given to validate feasibility of the proposed converter in this paper.
Key word：
PPU
beam supply
interleaved boost
resonant
View(11804)

Design of small high-gain array antenna based on genetic algorithm

DOI：10.16157/j.issn.0258-7998.200883

Author：Dai Xinhua1，Su Xinyan1，Yao Jinjie1，Jiang Rundong1，Tang Qiang2

Author Affilications：1.The Key Laboratory of Information Detection and Processing of Shanxi Province，North University of China，Taiyuan 030051，China； 2.Xi′an Institute of Electromechanical Information Technology，Xi′an 710065，China

Abstract：Aiming at the needs of miniaturized millimeter wave radar for large detection range and long-distance detection, a Ka-band series-parallel hybrid-fed microstrip array antenna is proposed. The antenna array adopts a modular design, and the beam width and gain are controlled by using genetic algorithms to optimize and adjust the relative position of the sub-array. Simulation and processing measurements show that the E and H plane beam widths of the antenna at the center frequency of 36 GHz are 28°, 15°, and the maximum gain is 15 dBi. The test and simulation results are basically consistent, indicating that the antenna array is suitable for small millimeter wave radars.
Key word：
array antenna
high gain
genetic algorithm
View(12734)

Design of multi-channel low phase noise synchronous frequency source

DOI：10.16157/j.issn.0258-7998.200921

Author：Xu Wei，Pan Minghai，Zhang Yanjing

Author Affilications：School of Electronic Information Engineering，Nanjing University of Aeronautics and Astronautics，Nanjing 211106，China

Abstract：In order to meet the requirement of high stability frequency source when DRFM(Digital Radio Frequency Memory) system collects external input signals, a design method of multi-channel, low phase noise synchronous frequency source based on two-stage PLL is proposed in this paper. Six channels of arbitrary frequency signal output in the range of 2.26～2 600 MHz are realized. Through the method of linear superposition, the phase noise model of PLL is analyzed theoretically, and the optimal design is carried out according to the source of phase noise. Finally, the spurious and phase noise of the frequency source circuit are tested. The test results show that the spurious suppression is better than -60 dBc and the phase noise suppression is better than-104.91 dBc/Hz@500kHz when the frequency source circuit outputs 1.25 GHz frequency.
Key word：
frequency source
phase locked loop
phase noise
spurious
View(9728)

Radar and Navigation

The research of radar intercepted distance by equivalent test

DOI：10.16157/j.issn.0258-7998.200882

Author：Zeng Xiaodong

Author Affilications：The 10th Research Institute of China Electronics Technology Group Corporation，Chengdu 610036，China

Abstract：Aiming at the problem that it is difficult to directly test the intercepted distance between radar and specific ESM reconnaissance equipment, the equivalent test method of radar intercepted distance by ESM reconnaissance equipment is studied. Firstly, the equivalent model of intercepted distance under the expected test condition and the substitute test condition is deduced. Then, according to different test scenarios, the equivalent model is subdivided into four different types. Finally, the equivalent model is verified by the measured data. The data is from the intercepted distance of a certain radar in the outfield flight test. The test results show that the error of the equivalent model is 7.26%, which meets the requirement that the error of the test outline is less than 10%.
Key word：
radar
ESM reconnaissance equipment
intercepted distance
equivalent model
View(9884)

Research on infrared small target detection technology based on 3D filtering

DOI：10.16157/j.issn.0258-7998.200970

Author：Fan Hua1，2，Wu Wenbo2，Jiao Zhi2，Tan Chaobin2

Author Affilications：1.School of Electronic Control，University of North China Institute of Aerospace Technology，Langfang 065000，China； 2.Beijing Institute of Space Mechanics & Electricity，Beijing 100094，China

Abstract：To improve the detection effect of frame difference method on low SNR target in complex environment，in this paper, based on the principle that moving targets have continuity in time, the tracking algorithm before detection is used to accurately screen targets through the design combining 3d filtering preprocessing and target trajectory judgment, so as to achieve the effect of reducing false alarm on the premise of maintaining a high detection rate, which is of significant significance for dim small targets detection.
Key word：
dim small targets detection and tracing
frame difference detection method
3-D wavelet filter
tracing before detect
View(9242)

Special Column

High Speed Wired Communication Chip

High Performance Computering

Information Flow and Energy Flow in Industrial Digital Transformation

Special Antenna and Radio Frequency Front End

Radar Target Tracking Technology

Key Technologies of 5G-A and 6G

Key Technologies of 5G and Its Evolution

Key Technologies of 5G and Its Evolution

Processing and Application of Marine Target Characteristic Data

Smart Power

Antenna Technology and Its Applications

5G-Advanced and 6G

Smart Agriculture

5G Vertical Industry Application

Microelectronics in Medical and Healthcare

Key Technologies for 6G

Application of Edge Computing in IIoT

Deep Learning and Image Recognization

6G Microwave Millimeter-wave Technology

Radar Processing Technology and Evaluation

Space-Ground Integrated Technology

Industrial Ethernet Network

5G Vertical Industry Application

Innovation and Application of PKS System

FPGA and Artificial Intelligence

5G Network Construction and Optimization

RF and Microwave

Edge Computing

Network and Business Requirements for 6G

5G and Intelligent Transportation

5G R16 Core Network Evolution Technology

Satellite Nevigation Technology

5G R16 Evolution Technology

5G Wireless Network Evolution Technology

5G Network Planning Technology

5G Indoor Coverage Technology

5G MEC and Its Applications

5G Co-construction and Sharing Technology

Expert Forum

5G and Emergency Communication

5G Slicing Technology and Its Applications

Industrial Internet

5G Terminal Key Realization Technology

5G and Artificial Intelligence

5G and Internet of Vehicles

Terahertz Technology and Its Application

Signal and Information Processing

Artificial Intelligence

5G Communication

Internet of Things and the Industrial Big Data

Electronic Techniques of UAV System

Power Electronic Technology

Medical Electronics

Aerospace Electronic Technology

Robot and Industrial Automation

ADAS Technique and Its Implementation

Heterogeneous Computing

2016 IEEE International Conference on Integrated Circuits and Microsystems

ARINC859 Bus Technology

FC Network Technology

Measurement and Control Technology of Bus Network

GJB288A Bus

Key Techniques of 5G and Algorthm Implement

IEEE-1394 Bus

Signal Conditioning Technology of Sensors

AFDX Network Technology

Discrete Signal Processing

Energy-Efficient Computing

Motor control

2012 Altera Electronic Design Article Contest

WeChat shop

License policy