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- target echo identifying 目标回波识别
- The director could be slewed quite quickly until the range operator picked up the target echo. 指挥仪快速回转直到测距手捕获目标的反射回波。
- Target echo signals are the main information source in underwater acoustic detection system. 目标回波信号是水声探测系统主要的信息来源。
- The parallel arithmetic of distribute space borne SAR ground target echo data simulating procedure was examined. 摘要对分布式星载SAR系统地面回波仿真程序并行化算法进行了研究。
- Conventional methods based on the intensity of target echo signal will result in high false alarming rate if mine-like object such as rock laying on the seafloor. 传统的基于目标回波信号强度的检测方法在海底存在岩石等类似于水雷等人造目标的情况下，常会导致较高的虚警率。
- The cluttering area wherein the fuze antenna illuminates is distributed into small clutter cells and the clutter modeling is built up as the method of fuze target echo modeling. 对天线照射区域内的杂波进行了分割，采用近似目标回波的处理方法对杂波进行了建模，并将该方法应用到引信目标模拟器中。
- When the target echo on the radar scope is bisected by the center bearing line, the director is trained on the target, and the correct value of director train is determined. 当指挥仪旋转的时候，其上的雷达天线也跟着转动，当显示器上的目标回波被中央方位线（center bearing line）分为两半时，雷达天线就对准了目标，指挥仪的旋转角也就确定了。
- Based on the characteristic of target echo in ISAR, the original method of Doppler center estimation is ameliorated to increase the motion parameter estimation precision. 针对ISAR中目标回波的特点，对原始的多普勒中心估计方法进行了改进，提高了运动参数估计精度。
- A method of underwater target dimension identification was proposed by special bearing distribution data of body target echo based on identification theory of a target bearing method. 摘要阐述基于目标方位走向法的目标识别理论，提出利用体目标回波的空间方位分布信息识别水下目标尺度信息的方法。
- The radar signal model in EW condition is discussed in this paper,including the model of emitting signal,the model of target echo signal,the model of jamming,the model of clutter and the model of noise. 文中建立了电子战条件下雷达信号环境数学模型，包括雷达发射信号数学模型，目标回波信号数学模型，电子干扰（有源干扰和无源干扰）信号数学模型，杂波数学模型以及噪声数学模型
- This dissertation discusses mainly the realization of the radar signal simulator for an Airborne Phased-Array Radar (APAR), the simulation methods of target echo and clutter for APAR, and the application of hi-speed DSP chip in radar simulator. 尤其在近几年，雷达信号模拟器的研制已成为国内外军事研究领域的一个热门研究方向。 本文以某种机载相控阵雷达信号模拟器的研制为背景，对目标回波信号和杂波的模拟理论和算法以及系统实现等问题进行了较为深入的研究，并通过采用高速、高性能的DSP，实现了对机载相控阵雷达信号的实时模拟。
- This paper discusses the application of joint estimation of DOA and Doppler velocity in passive bistatic radar, and analyzes emphatically the passive detection of target echo frequency in passive bistatic radar. 将 DOA与多普勒速度的联合估计定位应用于双基地雷达 ,重点分析双基地雷达系统中对目标回波频率量的无源检测方法。
- This system is a array processor system based ADSP21160, it can simulate environment noise, target echo and reverberation.It can be controlled by computer or underwater homing weapon. 该系统使用ADSP21160构成阵列处理器系统，采用全数字方式产生噪声、目标回波和混响，既可以在主控机控制下工作，也可在制导武器控制下工作；
- In the simulator, sum-difference beams method based on point scatterer echo model which includes the random fluctuation character of object radar cross section is used to simulate target echo. 对于目标回波的模拟，本文在考虑目标雷达散射截面积起伏特性的基础上，采用基于点散射体回波信号模型的和差波束法来实现。
- Simulation of Wideband Homing Torpedo's Target Echo 宽频鱼雷自导目标回波模拟仿真
- Her performance was cheered to the echo. 她的表演获得长时间的喝采。
- Study for Radar Target Echo Models 雷达舰船目标回波建模研究
- underwater target echo detection 水下目标回波检测
- The bird-song is the echo of the morning light back from the earth. 鸟的歌声是曙光从大地反响过去的回声。
- An identifying mark on the ear of a domestic animal. 耳戳打在家畜耳部的便于识别的记号
