... error signal 误差信号，出错信号 error signal detection 误差信号检测 error-spectral density 误差谱密度 ...
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讨论了全息光学头聚焦误差信号检测的基本原理。
The principle of the detection of the focusing error signal in a holographic optic head is dis - cussed.
利用数字控制技术对位置信号误差角进行了实验检测及校正。
It has made experiment detection and rectification with signal control technology for the position signal error.
在实际通信系统中当信号处于深衰落时，最小均方误差(MMSE)检测器经常失去对信号的相位跟踪。
It is noted that the minimum mean square error (MMSE) detector often loses phase to lock a desired signal when the desired signal dips into a deep fade.
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