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。
Finally, a successive interference cancellation (SIC) scheme is proposed combined with minimum mean square error (MMSE) detection. Its performance is superior to simple SIC or MMSE detector.
最后还提出了一种结合最小均方误差(MMSE)检测的连续干扰抵消(SIC)方案,其性能好于单一的SIC和MMSE检测器。
The real time phase detector is constructed with a simple circuits. The amplitude and frequency of the vibrations are measured by synchronously detecting the phases in interference signal.
利用简单的电路构成实时相位检测器,对干涉信号中的相位信号进行同步检测,最终获得实际振动的振幅频率。
The simulation results show the performance of CA-CFAR detector is good under uniform clutter, and is seriously descended under multi-target interference background.
结果表明,CA - CFAR检测器在均匀杂波中性能较好,但在多目标干扰环境中性能严重下降。
The principle and characteristic of excited light source, interference optical filter, transmission optical fiber and optical detector are discussed.
论述激发光源、干涉滤光片、传输光纤、光探测器的原理及特性。
A blind adaptive multi user detector can suppress multi user interference, but only requiring timing and signature waveform of desired user.
盲自适应多用户检测器只需知道期望用户的扩频码及定时信息,就可以实现对多址干扰的有效抑制。
With an eye to the character of the ordered successive interference cancellation (OSIC) detector based on restructured channel matrix, the as is achieved by optimizing the poor sub signal stream.
该算法考虑了GLST结构的重构排序连续干扰消除检测的特点,通过使最差一层的信号流性能最优实现天线子集的选择。
In the receiver, successive interference cancellation is employed to remove or suppress sever multiuser interference, and this detector is easy to implement and apt to Rayleigh fading channel.
接收端采用串行干扰抵消的方法去除或抑制很严重的多用户干扰,该方法实现简单,适合瑞利衰落信道。
Also we compared the performance of decorrelator, LMMSE and a 2 stage PIC (parallel Interference Canceller) multiuser detector, which form the temporal processing of the receiver.
在时间域处理采用2步并行干扰对消的多用户检测算法。
The performance of the system is evaluated when considering the effects of both multi user interference and photo detector shot noise. An upper bound on the bit error rate is derived.
在系统中存在多用户干扰及接收机散粒噪声的情况下,推导出该系统误码率上限,并对该系统特性与无光硬件限幅器的光PPM- CDMA通信系统特性作了比较。
The performance of the system is evaluated when considering the effects of both multi user interference and photo detector shot noise. An upper bound on the bit error rate is derived.
在系统中存在多用户干扰及接收机散粒噪声的情况下,推导出该系统误码率上限,并对该系统特性与无光硬件限幅器的光PPM- CDMA通信系统特性作了比较。
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