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LFMCW radar signal processing software design

Author: ChenKai
Tutor: ShiLin
School: Xi'an University of Electronic Science and Technology
Course: Circuits and Systems
Keywords: LFMCW Radar Signal Processing Distance - velocity coupling Paired spectrum WDM driver
CLC: TN958.94
Type: Master's thesis
Year: 2009
Downloads: 174
Quote: 5
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Abstract


Linear frequency modulation continuous wave (LFMCW) radar has the advantages of low probability of intercept and high range resolution, the research and application of it in recent years, more and more widely and deeply. This paper expounds the basic relation and working principle of LFMCW radar, and on the basis of summarizing the characteristics of the LFMCW radar; Analyzed the linear frequency modulation continuous wave radar echo characteristics of fuzzy functions; Beat on moving target signal in the frequency domain appears on the distance and velocity coupling is studied. In multiple target environment solution to distance and velocity coupling phenomenon, must be on the up/down frequency sweep echo signal in the target spectrum matching, this paper analysis and improved a to solve the target by the similarity between the target spectrum area matching speed and distance - coupling method, the computer simulation result is given and the DSP software realization method. Paper also to the Windows 2000 operating system kernel structure, and WDM device driver development techniques discussed in this paper, the signal processing board based on PCI bus is designed and developed the hardware driver and display control platform application.

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CLC: > Industrial Technology > Radio electronics, telecommunications technology > Radar > Radar: institutional sub- > Continuous wave radar amplitude continuous wave radar
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