研究基于速度特征矢量提取运动目标的图像分割方法。
An image segmentation method based on the velocity feature vector of moving target was proposed.
运用运动合成原理分析了割前脱粒收割机梳齿运动的速度特征。
The speed characteristics of comb of threshing apparatus prior to cutting were analysed based on movement composition theory.
讨论了飞机的飞行轨迹和速度特征及其雷达测量，给出了飞行航迹的数学表示和图形编辑方法。
Plane's track and velocity feature together with their radar measure are discussed. Track mathematic description and graphic edit method are also given.
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