设计了一个简单的光电系统，测量了不同尺寸的双环光阑的光学传递函数，从中选出了最佳光阑。
A simple photoelectric system is described in this paper. We choose the optimum diaphragm through measuring the optical transfer function with different dimensional double ringed diaphragms.
采用变分法定出了解析波函数的最佳参数，并对各原子的能量进行了系统的大量计算。
It gave the best parameters of analytical wave functions by the variational methods, and large-scale systematically calculated the energy of every atom.
给出了在小色散和大色散光纤通信系统中近似实现光接收机最佳传递函数的电路型式；
The circuit types approaching the realization of the optimal transfer function of the receiver in low- and high-dispersion digital fiber-optic communication systems are given.
采用变分法定出了解析波函数的最佳参数，对各原子的能量进行了系统的计算。
The best parameters of analytical wave functions were obtained by the variational methods, and the energy of every atom was systematically calculated.
基于点扩展函数，推导出共焦系统的成像公式，模拟了探测器尺寸对分辨率的影响，并提出最佳针孔半径。
The imaging equations are derived based on point spread function, the influence of detector on resolution is simulated, and the optimum pinhole radius is proposed.
基于点扩展函数，推导出共焦系统的成像公式，模拟了探测器尺寸对分辨率的影响，并提出最佳针孔半径。
The imaging equations are derived based on point spread function, the influence of detector on resolution is simulated, and the optimum pinhole radius is proposed.
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