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Vehicle detection radar algorithm and software

Author: CaoZhiJian
Tutor: DingQingSheng
School: University of Electronic Science and Technology
Course: Access to information and detection technology
Keywords: Intelligent Transportation Systems Vehicle detection radar Frequency Modulated Continuous Wave Adaptive Threshold Zero signal processing
CLC: TN959
Type: Master's thesis
Year: 2010
Downloads: 110
Quote: 2
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Abstract


In order to solve the growing traffic congestion , the reasonable use of a variety of transportation resources to establish an efficient and intelligent transportation system is the most effective solution . Microwave vehicle detection radar intelligent transportation systems , road information collection , and has broad prospects . This article is around based on LFMCW radar vehicle detection system to . The thesis describes radar principle LFMCW On this basis , the article is selected according to the actual situation radars use the band 's work and work system . Then the detailed design of system solutions , including the hardware structure of the program and the software structure of the program . According to the way of the front radar installation , the article on the key parameters of the system , a detailed design . And analysis system using digital signal processing algorithms , the algorithm processing flow is divided into several modules , analysis and improvement programs for the algorithms used by the different modules . Ranging accuracy of the IF signal sampling accuracy and FFT analysis and improvement in the signal acquisition module ; the target determination module , in order to eliminate the clutter interference , articles designed FIR digital filter can be used for the eight-lane vehicle detection radar control group ; subsequently given two reference unit - based adaptive threshold limit set , and feasibility of the simulation ; In order to eliminate the impact of the zero signal , the paper proposes a detection method , reducing multiple decision by zero the phenomenon of the signal caused by the misjudgment probability. Completion of the final paper based on the writing and debugging of the underlying DSP chip driver , on this basis to achieve the basic functions of the software and algorithm module , combined with the RF front-end joint commissioning .

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