Doppler frequency offset is always the passive factor that cant be neglected in satellite communication.
多普勒频偏一直是卫星通信中不可忽视的消极因素。
But if the Doppler frequency offset exceed the capture range of PLL, the carrier synchronization will fail.
但是，一旦多普勒频移超出了锁相环的频率捕捉范围，就无法完成载频同步。
In satellite mobile communications, Doppler frequency offset is a negative factor that couldn't be neglected.
在卫星移动通信中，多普勒频偏是一个不能忽视的消极因素。
Doppler compensation techniques: the large Doppler frequency offset can case the performance degraded in PN and carrier synchronizing.
多普勒频移补偿：大的多普勒频移会引起载波同步及伪码捕获性能的下降。
In order to ensure the reliability and stability of the communication link in the data transmission, we have to estimate the Doppler frequency offset, and amend it.
为了保证通信链路中数据传输的可靠性与稳定性，需要估计出多普勒频偏，并对其进行修正。
With increasing of Doppler frequency offset, status of channel doesn′t hold stabilization for long and whole correlation of false codes hasn′t satisfied require of channel estimation.
随着多普勒频偏的增大，信道状况无法长时间保持平稳，伪码的完整相关已经不能满足信道估计的要求。
Police traffic radar USES the theory of Doppler speed detection to measure the offset of the frequency.
雷达测速仪是利用多普勒测速原理，获得运动目标的频率偏移信号。
The ways of estimating the frequency offset and Doppler spread width in WCDMA system are studied in this paper.
本文主要研究了WCDMA(宽带码分多址)系统中频偏和最大多普勒频偏的估计方法。
Doppler effect causes not only carrier frequency offset, but also symbol expansion or compression for wideband acoustic communication signal.
多普勒不仅造成宽带水声通信信号的载波频率偏移，而且引起码元符号的展宽或压缩。
Time-selective Rayleigh fading of channels is caused by Doppler shift and carrier frequency offset.
接收端的高速运动或者载频的偏移，会引起信道的时间选择性衰落。
Time-selective Rayleigh fading of channels is caused by Doppler shift and carrier frequency offset.
接收端的高速运动或者载频的偏移，会引起信道的时间选择性衰落。
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