... 信号偏移 signal excursion 信号频率偏移 signal frequency shift 信号频谱密度 signal spectral density ...
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但实际运用时，其精度都会受到采样定时误差和信号频率偏移的影响。
The frequency shift is obtained and compared with the effect of air damping.
考虑到短波信道频率偏移的不确定性提出了相关搜索、FFT捕获的信号捕获方案。
Considering the uncertainty of frequency excursion, the scheme of signal capturing of correlate searching, FFT capturing is bring forward.
当信号从原中心频率偏移，信号越来越从设定的发射通道偏移，功率分析仪的功率电平会越来越低。
As the signal is shifted from the original center frequency, the RF power analyzer reads lower and lower power levels as more and more of the signal shifts out of the intended transmission channel.
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