声学与电子工程
聲學與電子工程
성학여전자공정
ACOUSTICS AND ELECTRONICS ENGINEERING
2009年
1期
34-36
,共3页
匹配相关%Doppler%ZoomFFT
匹配相關%Doppler%ZoomFFT
필배상관%Doppler%ZoomFFT
提出了采用HFM (Hyperbolic Frequency Modulation,HFM)和CW(Continuous Wave,CW)构成的组合信号,实现精确的时间同步.根据HFM信号的匹配相关捕获同步信号,由CW信号的ZoomFFT算法估计Doppler扩展,再根据Doppler扩展的估计补偿时间同步误差.
提齣瞭採用HFM (Hyperbolic Frequency Modulation,HFM)和CW(Continuous Wave,CW)構成的組閤信號,實現精確的時間同步.根據HFM信號的匹配相關捕穫同步信號,由CW信號的ZoomFFT算法估計Doppler擴展,再根據Doppler擴展的估計補償時間同步誤差.
제출료채용HFM (Hyperbolic Frequency Modulation,HFM)화CW(Continuous Wave,CW)구성적조합신호,실현정학적시간동보.근거HFM신호적필배상관포획동보신호,유CW신호적ZoomFFT산법고계Doppler확전,재근거Doppler확전적고계보상시간동보오차.