本文将对滤波器与测量仪器之间的阻抗匹配问题加以讨论，提出匹配衰减器的设计方法。
In this paper, impedance matching between LPF and surveying instrument is discussed and the design method is presented.
本文介绍一种简便、快速、直观的检验支撑杆型衰减器匹配性能的方法。
A simple, rapid, directly observable method for examining the supporting rod type attenuator's matching property is discussed.
整个装置包括光束衰减器、单脉冲选取及脉冲同步、光束直径匹配、CCD摄像机、图像卡、计算机及监示器以及系统软件。
The system includeS beam attenuator, single pulse selection and pulse synchronizing, beam matching, CCD Camera, frame grabber hard, monitor, computer and system software.
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