{"title":"一个可计算的、可移动的音频交流参考标准","authors":"N. Oldham, P. S. Hetrick, Zeng Xiangren","doi":"10.1109/CPEM.1988.671164","DOIUrl":null,"url":null,"abstract":"A transportable ac voltage source is described, in which sinusoidal signals are digitally-synthesized in the audio-frequency range. The rms value of the output waveform may be calculated by measuring the dc level of the individual steps used to generate the waveform. The uncertainty of this calculation is typically 10 ppm from 20 Hz - 10 kHz at the 7 V level.","PeriodicalId":326579,"journal":{"name":"1988 Conference on Precision Electromagnetic Measurements","volume":"88 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1988-06-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"33","resultStr":"{\"title\":\"A calculable, transportable audio-frequency AC reference standard\",\"authors\":\"N. Oldham, P. S. Hetrick, Zeng Xiangren\",\"doi\":\"10.1109/CPEM.1988.671164\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"A transportable ac voltage source is described, in which sinusoidal signals are digitally-synthesized in the audio-frequency range. The rms value of the output waveform may be calculated by measuring the dc level of the individual steps used to generate the waveform. The uncertainty of this calculation is typically 10 ppm from 20 Hz - 10 kHz at the 7 V level.\",\"PeriodicalId\":326579,\"journal\":{\"name\":\"1988 Conference on Precision Electromagnetic Measurements\",\"volume\":\"88 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1988-06-07\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"33\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"1988 Conference on Precision Electromagnetic Measurements\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/CPEM.1988.671164\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"1988 Conference on Precision Electromagnetic Measurements","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/CPEM.1988.671164","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
A calculable, transportable audio-frequency AC reference standard
A transportable ac voltage source is described, in which sinusoidal signals are digitally-synthesized in the audio-frequency range. The rms value of the output waveform may be calculated by measuring the dc level of the individual steps used to generate the waveform. The uncertainty of this calculation is typically 10 ppm from 20 Hz - 10 kHz at the 7 V level.
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