多普勒效应
算法
箱子
多普勒雷达
雷达
仿形(计算机编程)
计算机科学
遥感
航程(航空)
环境科学
地质学
物理
电信
工程类
操作系统
航空航天工程
天文
作者
M. C. Neethu Mohan,Titu Samson,Binu Paul,V. Rakesh,Rejoy Rebello,Pezholil Mohanan
标识
DOI:10.1080/2150704x.2022.2121185
摘要
Wind profiling radars are very useful instruments in meteorological forecasting for evaluating the three dimensional wind velocities. The challenging part of this job is to identify the true Doppler peaks of atmospheric origin from a noisy Doppler profile. This paper presents a novel algorithm for the Doppler peak estimation in windprofilers. The normalized Doppler spectrum of each range bin is divided into multiple clusters and low signal to noise ratio (SNR) clusters are discarded. Then, clusters having no continuity along height axis are filtered out and finally the remaining clusters are interpolated to get the wind profile. The algorithm performs very well even when the signal SNR is consistently below −3 dB over successive range bins. The proposed algorithm is found to have improved performance compared to existing algorithms with a reduced computational time.
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