The out-of-plane tilting speckle interferogram is computer-simulated and the RMS phase error is calculated to verify reliability.

通过对计算机模拟漫射体产生离面倾斜的时变散斑图，计算其均方根误差值，进行了验证。

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Undulator rms phase error is expressed as function of the magnet peak field distribution. It can be used as the objective function for practical undulator performance optimization.

给出了波荡器位相误差的函数式，可由磁场峰值分布直接计算波荡器位相均方根误差。

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