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反射测量电桥是无线电测量系统中进行动态测量的一个十分有效的新型测量元件.它可很方便地被用来测量网络的反射损耗(也称回波损耗).由于反射损耗、反射系数和电压驻波比可用公式或图表来进行换算,所以反射测量电桥也称驻波比电桥.在国外,反射测量电桥已于70年代初期就迅速发展起来了,有的已经用在自动测试系统中.本文介绍我厂制造的TQQ-1型反射测量电桥的原理、设计和制作.
The reflection measurement bridge is a very effective new measurement element for dynamic measurement in radio measurement systems and can be conveniently used to measure the network’s reflection loss (also known as return loss) .Because of the reflection loss, the reflection coefficient and the voltage Standing wave ratio can be used to formula or chart to convert, so the reflection measurement bridge is also called standing wave ratio bridge.In abroad, the reflection measurement bridge has been rapidly developed in the early 1970s, and some have been used in automatic test system This paper introduces the principle, design and manufacture of the TQQ-1 reflection measuring bridge manufactured by our factory.