The time history curves and the phase diagram for the oscillation are obtained by solving the differential relation between vibration amplitude and tensile load with finite difference method.

应用有限差分法求解球壳振动的振幅和外加荷载之间的微分关系，得到了球壳振动的时程和相图。

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A method of digital calibration in the amplitude and phase imbalances of sum and difference channels, and of angle error normalization processing is provided.

并提供了一种和差支路幅相不平衡数字校正和角误差归一化处理的方法。

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Calculation method about phase difference and amplitude in interference pattern of convergent light has been proposed.

提出了晶体锥光干涉中两相干光的位相差和振幅的计算方法。

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