对于特定的信号类型，例如低电平或高频率，则不宜使用模拟背板，以避免造成信号劣化。
For certain signal types, such as low level or high frequency, the analog backplane should not be used to avoid possible signal degradation.
通过比较输入与输出信号脉冲波形和眼图发现，随着传输速率和传输距离的增加输出信号劣化。
It shows that the signal will become bad with the increase of transmission velocity and distance by comparing the wave figure and eye diagram of input and output pulse.
通过优化泵浦相位调制的配置，平衡受激布里渊散射抑制和泵浦相位调制造成的转换闲频光信号劣化，可以使转换闲频光信号的劣化得到有效的抑制。
By optimizing the pump phase modulation configuration, the converted DPSK idler's degradation can be dramatically decreased through balancing SBS suppression and pump phase modulation degradation.
模拟信号往往会逐渐劣化，数字信号不同，它丢失数据后，画面会突然静止。
Unlike analogue signals, which tend to degrade gradually when digital signals drop data, the picture can freeze abruptly.
被动信号检测的最佳检测器是能量检测器，但是能量检测器往往因为背景干扰的起伏和信噪比的劣化导致检测性能的下降。
The optimum detector for passive detection is energy detector. Yet energy detector usually deteriorates due to fluctuation of background interference and a decrease in SNR.
被动信号检测的最佳检测器是能量检测器，但是能量检测器往往因为背景干扰的起伏和信噪比的劣化导致检测性能的下降。
The optimum detector for passive detection is energy detector. Yet energy detector usually deteriorates due to fluctuation of background interference and a decrease in SNR.
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