Micro vibrational targets, such as living things, are vibrate with certain frequencies and micro amplitudes, which module the echo as micro Doppler signals.
生命体等摄动目标以一定频率、较小幅度振动，其回波具有微多谱勒特征。
How to get the proper radar echo is a key problem in research of the micro-doppler features of human beings.
人运动的雷达散射回波的获取是研究人微多普勒特征的关键问题。
Laser radar micro-Doppler effect has good application prospects in the detection and identification of for it's high measurement precision and strong anti-interference ability.
激光雷达微多普勒效应在目标探测、识别中由于测量精度高、抗干扰能力强等优点，具有广阔的应用前景。
The micro-Doppler exists widely in the nature, which is induced by the micro-motion dynamics.
微多普勒现象是自然界广泛存在的一种现象。
Micro-Doppler provides a new way for radar target recognition while the translation velocity affects the extraction of micro-Doppler information.
微多普勒为雷达目标识别提供了一种新的思路和方法，而目标的平动速度会影响微多普勒信息的提取。
There is a developing interest in the potential application of micro-Doppler effect for target detection and recognition.
微多普勒效应在目标探测、识别中的应用潜力受到日益关注。
Short time Fourier transform was used to analyze the simulated signal in the time-frequency domain, a micro-Doppler image that can demonstrate the target characteristics was generated.
采用了短时傅里叶变换方法对仿真信号进行了时频分析，得到了能够较好地反映目标特征的微多普勒图像。
The experiment research on laser micro-Doppler effect for detecting complex vibration of moving target is developed.
建立了激光微多普勒效应探测系统，开展了激光微多普勒效应探测运动目标复合振动的实验研究。
Signals with sinusoid modulated phase is the general form of micro-Doppler signals in radar echoes from targets with micro-motions.
正弦调制相位信号是微动目标雷达回波微多普勒信号的一般形式。
The backscatter of a target with micro-motions contains fine micro-Doppler features, which enables us to determine some unique properties of the target.
微动目标电磁散射响应中包含了精细的微多普勒特征信息，因此从雷达特征信号中可以推断出微动目标的特性。
Since the human beings and the other creatures usually walk or run with a constant velocity, stride and gait frequency, there are some Micro-Doppler signatures on their spectrums.
人体或其他生命体通常按照一定的速度、步幅和步频走动或者跑动，因此其谱图呈现出微多普勒特性。
Since the human beings and the other creatures usually walk or run with a constant velocity, stride and gait frequency, there are some Micro-Doppler signatures on their spectrums.
人体或其他生命体通常按照一定的速度、步幅和步频走动或者跑动，因此其谱图呈现出微多普勒特性。
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