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Design and Implementation of the Signal Processing Board for Doppler Wind Lidar

Author: KangLeFeng
Tutor: LiuShuMing
School: Xi'an University of Electronic Science and Technology
Course: Circuits and Systems
Keywords: Laser wind
CLC: TP274.2
Type: Master's thesis
Year: 2009
Downloads: 94
Quote: 0
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Abstract


Laser doppler radar system is measuring atmospheric wind field effective tool, using laser doppler effect wind is the most advanced measurement technology of wind field. Because of its high precision, real-time and wide measurement range of the outstanding advantages, making the atmospheric wind field measurement widely used laser wind technology. Based on the wind digital signal processing technology on the basis of the requirement, and discusses how to realize the doppler frequency and wind speed calculation. First of all, on the laser wind technology, the main method and wind principle of a simple introduction, then gives the basic structure of AD mining model, and then introduced the signal processing board hardware structure and algorithm. Including the wind field contains the information signal FFT, the coherent accumulation, and die, choose big operation and through the FPGA realization as above a machine UART communication and USB communication design. Through the VisualDSP and Quartus Ⅱ simulation results, proved the feasibility of this design.

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CLC: > Industrial Technology > Automation technology,computer technology > Automation technology and equipment > Automation systems > Data processing, data processing system > Data collection and processing systems
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