In the CATV Network Optical Cable design, the calculation of parameter is not only complicated but also very important.
在有线电视光链路设计中，参数的计算是一项繁琐且很重要的工作内容。
On the accurate and intuitional formula, each parameter related to axial optical intensity distribution and focal shifts is analyzed through numerical calculation.
通过数值计算，对各个参数对光强分布和焦移的影响进行了分析。
In the paper, we introduce the choice and calculation of the geometric parameter of the head and the parameter of optical system.
本文着重论述了测量头几何参数和光学系统参数的选择和计算。
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