Under this premise, the algorithm of data simplification is offered which combines the method of distance threshold with the one of vector angle.
以此为前提，提出了距离阈值法和向量角度法相结合的数据精简算法。
Using the grey theory, this paper makes a treatment of the monitoring data of landslide displacement) and finds out the grey displacement vector angle.
并通过不同模型对应同一点的位移矢量角对层状反倾岩质边坡的反倾条件进行了界定分析。
Along with the increase of the secondary flow pressure ratio, the shock move toward upstream divergent section and the thrust vector angle gradually increases;
次流压比的增加将导致激波向扩张段上游移动，且喷管矢量角不断增加；
The presented phase Angle PWM method is centering attention on motor stator voltage space vector and controls the vector Angle to vary linearly and so reduces higher harmonics in voltage wave.
本文提出的角度PWM方法着眼于电机的定子电压空间矢量，使其矢量角均匀变化，减小电压波形中的高次谐波分量。
The presented phase Angle PWM method is centering attention on motor stator voltage space vector and controls the vector Angle to vary linearly and so reduces higher harmonics in voltage wave.
本文提出的角度PWM方法着眼于电机的定子电压空间矢量，使其矢量角均匀变化，减小电压波形中的高次谐波分量。
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