目标回波信号是水声探测系统主要的信息来源。
Target echo signals are the main information source in underwater acoustic detection system.
对于这种目标回波信号的检测可以利用相关滤波的方法。
The method of improvement detection performance the target with High-Range-Resolution radar is a correlation filter.
脉冲压缩；线性调频信号；相位编码信号；目标回波信号；ADS；
Pulse compression; Linear frequency modulated signal; Phase encoding signal; Echo signal; ADS;
基于斜视成像几何模型，分析了目标回波信号距离走动比距离弯曲大得多的特点。
Based on the imaging geometry of squint mode, the characteristics of echoes in squint mode are analyzed in this paper.
该方法对提取目标回波信号、提升其信号强度、抑制杂波干扰和噪声有良好的效果。
This method is good for the echo signal is distilled and the intensity is advanced and the clutter and the yawp are restrained.
本方法对目标回波信号采用了相干视频模拟法，在视频上模拟目标回波的多普勒频率。
In the method, the target reflected signal is generated by the way of coherent video simulation and the Doppler frequency of target is simulated on video.
根据该区域目标模型可以计算出测绘区域的目标回波信号，经处理后得到测绘区域图像。
With this simulation targets model, the targets return signals will be calculated. And then the images of the scanning area are given.
本文利用双谱分析方法，提出用非高斯ar模型对雷达目标回波信号进行参数化双谱估计。
With bispectrum analysis, an ar model parametric bispectrum estimation is presented for radar target echoes.
在红外激光测距中，一般是通过测量发射连续激光脉冲和被测目标回波信号的相位差而求得被测距离的。
We obtain the distance by measuring the difference of the phase between the continuous laser signal transmitted and the signal reflected by the object in the infrared rays distance measure.
无源雷达系统接收到的信号有四部分组成：直达波信号、静物回波信号、动目标回波信号以及干扰噪声。
The signal received by passive coherent radar contain four-part: direct signal, echos of still object, echos of moving object, and interference.
本文的主要内容包括以下几个方面：（1）推导了毫米波LFMCW雷达目标回波信号在时域和频域上的表达式；
The research would be summarized as follows:(1) MMWLFMCW radar target echo signal expressions are derived in the time and frequency domain respectively.
雷达目标模拟器是一种用来产生模拟的目标回波信号的装置，在雷达设备的研究、维护和使用等领域有广泛的用途。
Radar target simulator is an equipment used to generate pseudo target echo signals and has found wide application in development, maintenance and use of radar.
基于FM信号的无源雷达目标回波信号信杂比低，频带窄，只有开发大动态范围的接收机才有可能接收到微弱的目标散射信号。
The target echo of passive radar based on FM signal has the characteristics of low SCR and narrow band. Only the receiver with large dynamic range can receive the weak echo signal.
本文讨论的弹载脉冲多普勒雷达目标模拟器主要是在外场静态联试时为雷达提供模拟动态目标回波信号，以检查其截获跟踪性能。
The pulse Doppler radar simulator discussed is used to provide radar echo signals and checkout the performance of radar in an open condition.
当导引头雷达发射多个不同频率的脉冲信号时，在一定的检测处理时长内目标回波信号幅度服从瑞利分布，而诱饵干扰信号则是幅度固定的。
When the radar seeker transmits several different frequency pulses, the echo amplitude of the target follows the Rayleigh distribution and that of the decoy is assumed fixed.
利用等效相位中心原理建立了天线斜置情况下三通道运动目标回波信号模型，给出了天线倾斜角对动目标检测、最小可检测速度和盲速的影响。
The echo model of moving target is established based on three channels with the slant-placed antennae in terms of the equivalent phase center principle.
分析了高速运动目标的逆合成孔径雷达（ISAR）回波信号模型和目标高速运动对ISAR信号处理的影响。
The inverse synthetic aperture radar (ISAR) echo signal model of fast-moving target and the effect of target fast-moving on ISAR signal processing were analyzed.
本文研究的雷达视频回波信号模拟与仿真是针对机载下视脉冲多普勒雷达，包括目标信号、地杂波信号和噪声信号的模拟与仿真。
In the thesis, the video echo of the airborne PD radar was simulated. The simulated echoes include the signals of the target, the ground clutter and the noise.
通过采样和计算机处理，完成了LFMCW本振信号和目标回波模拟信号的差拍信号的测试与分析，得到了满意的结果。
Measured and analyzed the beat signal of LFMCW and simulated echo of object signals by sampling, computer processing, achieved satisfying result.
超宽带雷达具有高分辩能力，它探测到复杂目标时，目标总的电磁散射是多散射中心的合成，回波信号不同于普通的窄带雷达回波。
Ultra wide band radar has high range resolution capability, when UWB signals interact with target, and the responses of target are composed of many separate scattering centers.
有源雷达诱饵通过模拟真实目标的回波信号，对敌方雷达系统进行欺骗干扰。
Radar system is deceived by active radar decoy which simulate echoed signals of real targets.
定量分析了星载合成孔径雷达（SAR）原始回波信号的量化噪声、饱和噪声以及误码噪声对面目标信噪比的影响；
The effect of quantification noise, saturation noise and bit error noise of synthetic aperture radar(SAR)raw data on the signal to noise ratio of distributed targets is analyzed.
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.
雷达信号模拟主要对雷达目标和环境回波信号的模拟，以达到真实复现雷达回波信号的目的。
The radar signal simulation is mainly used to simulate the signal of the target and its condition, in order to get true reappearance of the radar signal.
线性调频连续波雷达对于匀速运动目标的回波经过混频以后还是一个线性调频信号(LFM)。
The received signal from target of linear frequency-modulated continues wave (LFMCW) radar is a linear frequency-modulated (LFM) signal.
在阵列信号处理中，提取回波信号中的空间频率，可以得到目标的方位信息。
In processing of array signal, Direction of Arrival (DOA) of target can be obtained by extracting spatial frequency of echo.
雷达目标模拟器主要用于复现蕴含雷达目标信息和杂波信息的雷达回波信号。
The radar target simulator is mainly used for producing radar echo signal, which contains radar targets and clutter information.
雷达回波信号奇异点携带了大量地下目标物的信息，是借以分析地下物质结构的重要依据。
The singularities of ground Penetrating Radar (GPR) echo wave signals can show the characters of objects or the layer structures under the ground sufficiently.
研究了信号及杂波、噪声在信号处理之后的统计特性，并通过仿真系统产生了目标回波数据及检测背景噪声。
This paper also studies the statistics characteristic of signal, clutter and noise after the system disposal, and generates target data and detecting background noise using the simulated system.
研究了信号及杂波、噪声在信号处理之后的统计特性，并通过仿真系统产生了目标回波数据及检测背景噪声。
This paper also studies the statistics characteristic of signal, clutter and noise after the system disposal, and generates target data and detecting background noise using the simulated system.
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