There is no optimum step size at different speed.

其中，移动速度不同，最佳步长也不同；

Method accepts a starting index , as well as a step size.

方法接受起始索引以及步长。

The range method accepts a starting index, as well as a step size.

range方法接受起始索引以及步长。

Step size and transmitting errors impact the control precision.

步长和误码主要影响控制的精度；

A novel variable step size algorithm is presented in this paper.

提出了一种新的变步长算法。