changing rate of Doppler frequency 多普勒频率变化率
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The paper selects the Doppler changing rate method in naval passive location system.
本文选用多普勒频率变化率定位法作为海上无源探测系统的定位方法。
The sixth chapter studies the techniques in measuring the bearings changing rate and centrifugal acceleration, and poses several algorithms of measuring pulse Doppler shift frequency changing rate.
第六章主要对角度变化率和离心加速度参数的获取技术进行了研究，提出了几种高精度测量脉冲序列多普勒频率变化率的方法。
During this while, the Doppler frequencies of the targets are changing and the spectrum of these targets are easy to arise a aliasing error when the rate of Doppler frequencies is large.
在这期间，目标本身的多普勒频率又是变化的，当多普勒频率变化率较大时，容易产生频普的混叠。
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