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.
討論了全息光學頭聚焦誤差信號檢測的基本原理。
Signal unit error detection and correction - discards detected erroneous message and requests a re-transmission.
信令單元錯誤檢測和校正 -- 廢棄檢測到的出錯消息竝請求重新傳輸。
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.
結果表明：在短波衰落信道上進行數據傳輸時採用軟判決檢測可以大大提高系統性能。
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