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.
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