...速度扰动 [gap=948]ative feedback theory; stabilized aiming system; robustness; moment disturbance; velocity disturbance ...
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目标运动的基本假设是在一段观测时间中保持常速度，并有随机速度扰动。
A basic assumption concerning source motion is to consider it to be of constant velocity with random perturbations over the observation intervals.
对山体尾流中最大平均速度扰动和湍流强度扰动的衰减规律以及山体尾流结构进行了分析。
The decay laws of the normalized maximum perturbations in the mean velocity and turbulent intensity in the wake and the wake structure are discussed.
根据表面质点响应中瑞利波和反射体波能量分配分析表观相速度扰动机制，讨论振源、测点、洞穴三者相对位置及频率对表面波表观相速度影响。
Mechanism of disturbance of apparent phase velocity is analyzed from distribution of energies of Rayleigh waves and the reflected body waves in the responses.
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