Phase shift error is inevitable in the course of getting modulation value of 3-d measurement with phase shifting technology, and then decreases measurement precision.
通过相移技术获取调制度值的调制度三维测量法，不可避免地存在相移误差，从而降低测量精度。
The dielectric property of dispersive media is written as rational polynomial function, the relation between D and E is derived in time domain. It is named shift operator FDTD (SO-FDTD) method.
将一类色散介质的介电常数写成有理分式函数形式，进而导出FDTD中电位移矢量D和电场强度E之间的关系，形成SO_FDTD方法。
The effect of sampling time shift and nonlinearity of A/D, and the reduction of the effect are analysed also.
最后分析了时间抖动和A/D非线性的影响以及降低这种影响的方法。
The effect of sampling time shift and nonlinearity of A/D, and the reduction of the effect are analysed also.
最后分析了时间抖动和A/D非线性的影响以及降低这种影响的方法。
应用推荐