Short-range Radar Networking System For Blocking Area Target Detection

Short range radar network system shares the radar target detecting information,achieves target detection,recognition and tracking tasks in blockade regions more efficiently,and can improve the target detection performance and reliability.Based on the background of a research project,aiming at the demand of blockade region target detection with short-range radar network system,the following studies are carried out(1)Based on detection probability of single radar and the possibility of joint detection in multi-radar system,the deployment's principle and the method of simulation analysis with the multi-radar system is detected.The particle swarm(PSO)algorithm is used to analyze the effect on joint detection performance of multi-radar system under the condition of a variety of radar targets.(2)Based on the principles of radar angle measurement,velocity measurement and ranging,zero padding method,ZFFT method and chirp-Z algorithm are analyzed to improve the target range accuracy of FMCW radars.In order to solve the problem of target's distance coupling,the simulation analysis of FMCW radar adding continuous wave to eliminate false targets is finished.(3)the software and hardware design of radar signal processing boards and communication network nodes are realized.According to the requirements,The hardware design of signal processing,board is designed and implemented,The software design of,signal acquisition and preprocessing are implemented by FPGA,velocity,distance and angle measurement function is realized by DSP;in terms of the communication network,ZigBee'communication function of wireless communication network is realized,and the communication method of wireless communication network is designed.(4)Based on the developed short-range radar network system,the performance of single radar's ranging measurement and detection experiment of radar network system for multi target are carried out.The test results show that the system designed in this paper can partly realize the data synchronization and joint detection.