The analytical expressions for the phase and group velocities of the axial optical field, accelerating potential and energy gain etc. are derived and are used to make numerical analysis.
给出了轴上光场的相速度和群速度、加速电位及电子能量增益等的解析表达式，并作了数值计算和分析。
2
The problems caused by analogy analysis filters realization error and gainphase error usually impact the reconstruction performance of the hybrid filter banks(HFB).