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Remote Sensing Technology and Application  1998, Vol. 13 Issue (4): 43-49    DOI: 10.11873/j.issn.1004-0323.1998.4.43
A Simulation Experiment for Echo Signals from Weather Doppler Radar
GAO Zhiqiu  XIAO Yanjiao  YUAN Ligong ZHANG Jianwei
(Lanzhou Institute of Plateau Atmospheric Physics,The Chinese Academy of Sciences,Lanzhou730000)
(Central Meteorological Station,Wuhan430074)  (Nanjing Institute of Meteorology,Nanjing210044)
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The advanced FFT and PPP method are presented to decrease effect of noise on spectrum parameters,thus some satisfactory spectrum parameters are obtained under the condition of weaker signal and bigger spectrum width The experiment shows:the result is better than value gained by primary FFT and PPP method,and some conclusions are given nd discussed.

Key words:  FFT method      PPP method      Spectrum width     
Received:  21 July 1998      Published:  07 February 2012
TP 79/P 225.7  
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GAO Zhiqiu XIAO Yanjiao YUAN Ligong ZHANG Jianwei. A Simulation Experiment for Echo Signals from Weather Doppler Radar. Remote Sensing Technology and Application, 1998, 13(4): 43-49.

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1 袁立功,汤达章,赵明.相关法从常规天气雷达信号中获取多普勒谱宽的模拟试验.南京气象学院学报,1992,15(1):103~109.
2 马振骅.气象雷达回波信息原理.北京:科学出版社,1986.126~132.

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