中国计量科学研究院
纸质出版:1981
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[1]吴幼璋,方严,路益惠,冯新善,姜河,宋幼彬,冯联熙.一种精测低耗互易二端口网络传输效率的系统[J].电子学报,1981(03):86-89.
Wu You-zhang, Fang Yang, Lu Yi-hui, et al. A Precision System for Measuring the Efficieney of Low Loss Reciprocal 2-prots Device[J]. Acta Electronica Sinica, 1981, (3): 86-89.
本文介绍一种测量低损耗互易二端口网络在较大失配情况下的功率传输效率的测试系统。该系统的测量精度对被测器件的失配不敏感。如当被测网络及其给定负载的反射系数均达0.1时
对于效率约为99%的被测器件
失配误差仅有2×10
-4
而总精度可达±0.06%。
This paper describes an accurate method for measuring the efficiency of low loss reciprocal two-ports network under larger mismatch. The measuring accuracy of the system does not depend strictly on the mismatch of the device to be tested. For example
if the reflection coefficient and the efficiency of the device are 0.1 and 0.99 respectively and the reflection coefficient of the load to the device is 0.1
the mismatch error is only ±2×10-4. The total uncertainty for this case is 0.06%.
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