讨论了利用GPS多普勒频移观测值确定运动载体速度的基本原理，估计出采用这一方法可以达到的精度。
The basic principle for determining the speed of moving vehicles with GPS Doppler observed values is discussed, and the available accuracy with this method is presented.
估计最大多普勒频移或者是移动台的速度对于优化接收机的性能至关重要。
Estimation of the maximum Doppler spread or, equivalently, the speed of the mobile, is of an essential importance for the optimization of receiver algorithms.
针对LF M脉冲雷达的宽带回波信号的多普勒频移和时延估计问题进行了研究。
In this paper, the Doppler frequency and time-delay estimators of wideband echoes for LFM pulse radar are discussed.
近年来，为了更好地为这些无线应用服务，人们提出了很多算法来估计最大多普勒频移。
In recent years, many Doppler frequency estimation algorithms have been studied for the above wireless mobile applications.
近年来，为了更好地为这些无线应用服务，人们提出了很多算法来估计最大多普勒频移。
In recent years, many Doppler frequency estimation algorithms have been studied for the above wireless mobile applications.
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