因此，目标反射信号的检测和提取是个难点，也是无源探测定位的关键技术之一。
So, the detection and extraction of signals reflected by the target are difficulties and the key technology of passive tracking location.
尤其是对于微弱的目标反射信号，本算法与常规算法相比，有十分明显的优越性。
The algorithm has obvious advantages over traditional ones especially in extracting weak target echoes.
文章分析了调制脉冲激光雷达探测信号水下传输模型，研究了海水后向散射信号以及目标反射信号的频域特性。
The article analyses the seawater transport model of the modulated-pulse LIDAR signal, and the frequency characteristic of the seawater backscattering signal and target reflecting signal are studied.
宽带FM信号和窄带CF 信号传输到目标，从目标反射回来，然后返回猎蝠。
The broadband FM signals and the narrowband CF signals travel out to a target, reflect from it, and return to the hunting bat.
假目标把激光信号反射回敌人激光制导武器去误导它将会去打击假目标而并非一个真正的。
The fake targets reflects the laser signal back to the enemy's laser guided weapon to misguide it so that it will hit the fake target rather than the real one.
通过对比研究激光对漫反射大目标、小目标和“猫眼”光学镜头的回波信号，给出激光主动侦察原理：对目标的距离测量应用脉冲激光测距原理实现；
Theprinciples of the laser active reconnaissance are explained via the comparison of the echo signal. target ranging isrealized by adopting the principle the pulse laser ranging.
信号子空间中包含目标边界特征，将参数向量中非直流部分投影到信号子空间，得到场景内目标细节信息，然后据此估计场景各点的雷达反射截面（RCS）。
The variable part of the parameter vector is projected onto the signal subspace to identify intrinsic structural features of the scene and estimate the RCS.
采用偏振检测方法，对机载激光测深实验系统接收到的大动态范围的水下目标反射的激光回波信号的压缩进行了实验研究。
This paper described a polarization detection method to compress the lager dynamic range of laser returned signals in airborne laser bathymetry system.
采用偏振检测方法，对机载激光测深实验系统接收到的大动态范围的水下目标反射的激光回波信号的压缩进行了实验研究。
This paper described a polarization detection method to compress the lager dynamic range of laser returned signals in airborne laser bathymetry system.
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