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本文介绍了CGF—1型长波长光时域反射计的基本原理,以及组成框图、误差分析及实测情况。它测长达22dB,测任意断点达10dB。
This paper introduces the basic principle of CGF-1 long wavelength optical time domain reflectometer, as well as the composition block diagram, error analysis and measured results. It measures up to 22dB, measuring any breakpoint up to 10dB.