峰值功率计校准方法的研究

doi:10.3969/j.issn.1000-1158.2012.06.16

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摘要为解决峰值功率计所特有的突发功率参数的校准问题,从在数字移动通信系统中广泛使用的突发信号的各项特殊功率参数以及峰值功率计的测量原理入手,以传统功率校准为基础,结合新参数特点对校准峰值功率计的原理和方法进行了研究,最后建立了校准系统,并给出了突发功率的测量不确定度分析,结果其扩展不确定度为0.17 dB,满足峰值功率计的校准要求。

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	赵海宁
	侯立新
	周鑫

关键词 ：计量学, 峰值功率计, 校准系统, 突发功率, 峰均比

Abstract：In modern digital mobile communications system, the signals are transmitted in burst mode that requires power meter be able to measure the power of discontinuous signal, so frist,the peak power and burst power meters are introduced. Those special parameters about the power of burst signal and the measurement theory of peak power meter are also introduced. The theory and method of calibrating peak power meter are described combined with the characters of those parameters. Finally, calibration results and measurement uncertainty analysis are reported,the expanded uncertainty is 0.17 dB, the system can meet the calibration requirements of the peak power meter.

Key words： Metrology Peak power meter Calibration system Burst power Peak-to-average ratio

PACS:

TB973

作者简介: 赵海宁（1977-）,男,汉族,江苏南京人,中国计量科学研究院工程师,主要研究方向为通信参数计量。zhaohn@nim.ac.cn

引用本文:

赵海宁,侯立新,周鑫. 峰值功率计校准方法的研究[J]. 计量学报, 2012, 33(6): 550-554.
ZHAO Hai-ning,HOU Li-xin,ZHOU Xin. Study on Peak Power Meter Calibration. Acta Metrologica Sinica, 2012, 33(6): 550-554.

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http://jlxb.china-csm.org:81/Jwk_jlxb/CN/10.3969/j.issn.1000-1158.2012.06.16 或 http://jlxb.china-csm.org:81/Jwk_jlxb/CN/Y2012/V33/I6/550