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Multi-parameter Radar Signal Measurement and FPGA Realizing Technology Based on Ploy-phase Filter Banks

Author: ChenHaiFeng
Tutor: DongChunZuo
School: Xi'an University of Electronic Science and Technology
Course: Circuits and Systems
Keywords: Digital channelized receiver Parallel FFT Multirate signal processing FIR filter FPGA
CLC: TN974
Type: Master's thesis
Year: 2011
Downloads: 133
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With the development of digital signal processing theory and microelectronics , digital channelized receiver has also been further developed. The emergence of FPGAs for the development of the digital receiver hardware platform , this paper can slow down filtering algorithms and modern DSP technology of FPGA - based design and digital channelized receiver . This article briefly describes the software radio , as well as corresponding digital channelized receiver , the main contents include the following aspects : (1) Based on the basic theory of the FFT polyphase filter group , including baseband sampling theorem , bandpass sampling theorem , multi-rate signal processing theory , the the FIR window function design method steps , filtering theory and based on the discrete Fourier transform polyphase filter group . ( 2) tested multi- parameter radar signal and polyphase filter bank channel , including a polyphase filter bank fast frequency measurement method and implementation complexity , as well as based on two polyphase filter bank high accuracy and fast frequency measurement model ; the orthogonal dual channel take the signal envelope simulation methods and simulation results ; discussed polyphase filter bank method to solve the problem of the time-domain overlapping signal envelope separation and gives Finally , the simulation results ; given a polyphase filter bank plus FFT of high-precision frequency measurement simulation results . (3) gives the design of two modern DSP technology , before using Modelsim simulation , followed by synthesis and post-simulation , to further test the design in the Quartus ; second method is to use Matlab in Simulink timing simulation , and subsequently in the Quartus synthesis and post-simulation , to further test the design .

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