It is theoretically shown that the application of high-order difference method in structure and velocity images decreases frequency dispersion error, but improves effect and accuracy of computation...
理论分析表明，在构造与波速成像中采用高阶差分方法，可以减小频散误差、提高计算效率与计算精度、获得满意的效果。
The variation of chromatic dispersion induced delay time error of the true time delay line based on dispersive devices is investigated using an intensity-frequency modulating model.
利用强度频率混合调制模型研究了基于色散器件的光真延时线中色散导致的延时误差的变化规律。
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