Dissertation
Dissertation > Industrial Technology > Radio electronics, telecommunications technology > Radar > Radar equipment,radar > Radar receiving equipment > Radar signal detection and processing

Research on and Application of the Techniques of Digital IF and Pulse Compression in Radar

Author WuGuangXu
Tutor XuLuPing;ZhengGaoQian
School Xi'an University of Electronic Science and Technology
Course Electronics and Information Engineering
Keywords IF sampling Quadrature coherent detection Joint coherent detection method Pulse compression Field Programmable Gate Array
CLC TN957.51
Type Master's thesis
Year 2005
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Quadrature coherent detection complex envelope retains all the information of the signal , and thus get a wide range of applications in signal processing in the frequency domain , under the conditions of high data sampling rates, especially for large -bandwidth product , pulse compression can significantly reduce the computation amount . In this paper, a phase parameter main vibration enlarge search radar developed requirements , compare quadrature coherent detection techniques to realize - Hilbert filtering , interpolation , low-pass filtering method for practical application , combined with coherent detection method . Chirp compression principle . Finally, based on the practical application of the IF sampling and pulse compression design , and design simulation with Matlab , verify the rationality of the design by using field-programmable gate array (FPGA) and digital processor (DSP) to achieve the hardware .

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