| This paper studies the technology and implementation of Terminal Data Processingin the passive radar system based on external illuminators. Firstly, it introduces somedata processing theories, track processing, direction finding technique with Adcockantenna and location method of T-R double-stations passive radar system are elaborated.Secondly, the hardware platform of the radar system is introduced, focusing on thedesign of multi processors platform and the CPCI bus communication interface in thesignal processing board. Thirdly, some related knowledge of the WDM device driver inWindows2000/XP platform is shown,and considering the architecture of software andhardware in the passive radar system, how to develop a PCI device driver including theconfiguration space acquisition, device address mapping and DMA data transmission isdescribed. Finally, a terminal display and control interface which realizes somefunctions like as parameters setting, data processing and track displaying in PC withVC++is developed, and some data are used to prove the feasibility of the scheme. |
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