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国家自然科学基金(69825109)

作品数:1 被引量:4H指数:1
发文基金:国家自然科学基金国家重点基础研究发展计划更多>>
相关领域:机械工程更多>>

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Calibration of microwave network analyzer被引量:4
2004年
This paper presents a systematic description of the methods for calibrating microwave network analyzer and test fixtures, and discusses the problems arising in the calibration. The general criteria for choosing calibration standards and corresponding algorithms are discussed and suggestions to overcome these problems and improve the calibration accuracy are also given. It has been found that for reciprocal test fixtures, the four equations obtained with the thru standard can be used at the same time. Meanwhile,the calibration accuracy can be improved. It has been shown that using the same calibration procedures but different algorithms may lead to the occurrence of frequency limitation.
ZHU Ninghua WANG Youlin CHEN Zhenyu
关键词:MICROWAVESCATTERINGPARAMETER
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