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Reconnaissance System of Radar Signal Research and Design

Author: ZhangHanSong
Tutor: WangJianGuo；WeiYuPei
School: University of Electronic Science and Technology
Course: Electronics and Communication Engineering
Keywords: Radar pulse pulse describes word signal process FPGA
CLC: TN974
Type: Master's thesis
Year: 2011
Downloads: 83
Quote: 0
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Abstract


Radar is necessary material in modern military that surveillance that function, every kind of weapon material develops, fighting the area with warn, each soldier grow to be in conjunction with to battle of dispenses, contact, conductor with control the etc., all usually depend on in the radar of effect. Passing the electronics probes to obtain the enemy radar and make to lead, correspondence equipments an electromagnetism for shooting information, can acquire the important military intelligence report. It is modern warlike importance that electronics resist constitute part, but radar resist is an electronics again resist of constitute primarily part, radar resist with oppose the anti- of result even can decide the development of the war situation. Therefore, in front is up to now behind very longly a period of time, radar resist will exist very big research value with vast development space.This text described the item background with the application worth; Expatiated technique characteristics and developments that radar resists; Introducing the radar probes the general theory of the system; Introduced a kind of radar probe the system constitutes and each part of main functions, the FPGA pulse parameter measures to realize, measuring orientation system design.The radar of this item probes the system draws lessons from the software wireless design thoughts, simplifying the radio frequency signal process, proceeding to sample the higher frequency signal, measuring the pulse parameter to completely realize in figure signal process printed circuit. The signal process printed circuit with programmable array in advanced CMOS chip FPGA and DSP for core, go together with the memorizer in big capacity, connect interface electric circuit with the necessary outer circle electric circuit. The FPGA has to carry to speed is quick, best in dependable,expand easily. The FPGA is used for realizing primarily every kind of interface electric circuit, arithmetic figure descend change the frequency with a parameter measure, many the passage the phase distinction measures etc..The DSP is easy to program, suiting to complete the complicated arithmetic. Complete the PDW( pulse describes word) primarily to receive, measure with the phase distinction, choose the signal, and pass the PCI interface with the commutation that supervises and control the computer to realize data and instruction.

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CLC: > Industrial Technology > Radio electronics, telecommunications technology > Electronic warfare ( jamming and anti - jamming ) > Radar electronic countermeasures
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