error signal detection

基本解释

The principle of the detection of the focusing error signal in a holographic optic head is dis- cussed.
讨论了全息光学头聚焦误差信号检测的基本原理。
Signal unit error detection and correction - discards detected erroneous message and requests a re-transmission.
信令单元错误检测和校正 -- 废弃检测到的出错消息并请求重新传输。
According to the result of data error code experiment, white noise experiment and SW communication on spot experiment, the quantitative analysis of soft judgment detection on SW signal is presented.
结果表明：在短波衰落信道上进行数据传输时采用软判决检测可以大大提高系统性能。
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