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。
参考来源 - 高斯背景干扰下瞬态信号检测·2,447,543篇论文数据，部分数据来源于NoteExpress
计算机仿真结果表明，该检测器的比特误码性能接近最佳检测器。
The computer simulation results show that the performance of the designed detector approaches that of the optimal multiuser detector and the computation complexity is reduced.
最佳多用户检测器是非线性检测器，特征码不完全正交时，线性检测器很难逼近最佳检测器。
Due to non orthogonality of signature sequence, performance of linear detector is much less than that of the optimum detector that is nonlinear.
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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