编制了YH - 1超精密数控机床数控系统软件，该软件具有分辨率高、插补周期短的特点，并且具有光学普适方程的插补功能。
We worked out YH-1 ultra-precision machining tool CNC software, which is characterized with high resolution, short interpolation period and optics universal equation interpolation.
本文首先根据多散射中心理论与局部谐振原理，建立了雷达目标在光学区阶梯频率波形激励下的响应方程。
In this paper, the step frequency response equation of optical-region radar target is firstly established by using theories of multiple scattering centers and local resonance.
介绍了光纤光学参量放大器的理论，基于耦合波方程推导出光纤光学参量放大器的增益表达式。
Theory of fiber optical parametric amplifiers (FOPAs) is introduced and the expression for the gain of FOPAs is deduced from the basic coupled wave equations.
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