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1988 Conference on Precision Electromagnetic Measurements最新文献

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Atomic frequency standards: new trends and progress at nrc 原子频率标准:nrc的新趋势与进展
1988 Conference on Precision Electromagnetic Measurements Pub Date : 1988-06-07 DOI: 10.1109/CPEM.1988.671186
J. Vanier
{"title":"Atomic frequency standards: new trends and progress at nrc","authors":"J. Vanier","doi":"10.1109/CPEM.1988.671186","DOIUrl":"https://doi.org/10.1109/CPEM.1988.671186","url":null,"abstract":"The paper reviews the state of the art of primary laboratory atomic frequency standards. Emphasis will be put on the new techniques being used in the field such as ion trapping, laser cooling and optical pumping, to implement more accurate primary optical or microwave frequency standards. Progress made at NRC on the subject will be outlined. Finally the central role of time as a base quantity of the international system of units will be discussed.","PeriodicalId":326579,"journal":{"name":"1988 Conference on Precision Electromagnetic Measurements","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1988-06-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115901066","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A calculable, transportable audio-frequency AC reference standard 一个可计算的、可移动的音频交流参考标准
1988 Conference on Precision Electromagnetic Measurements Pub Date : 1988-06-07 DOI: 10.1109/CPEM.1988.671164
N. Oldham, P. S. Hetrick, Zeng Xiangren
{"title":"A calculable, transportable audio-frequency AC reference standard","authors":"N. Oldham, P. S. Hetrick, Zeng Xiangren","doi":"10.1109/CPEM.1988.671164","DOIUrl":"https://doi.org/10.1109/CPEM.1988.671164","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":0.0,"publicationDate":"1988-06-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114402200","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 33
High Speeding of the Gloss-Meter for Curved Surfaces Using CCD Line Sensor 利用CCD线传感器实现曲面光泽度测光的高速测量
1988 Conference on Precision Electromagnetic Measurements Pub Date : 1988-06-07 DOI: 10.1109/CPEM.1988.671345
T. Aida, S. Hayasaki, T. Sakai
{"title":"High Speeding of the Gloss-Meter for Curved Surfaces Using CCD Line Sensor","authors":"T. Aida, S. Hayasaki, T. Sakai","doi":"10.1109/CPEM.1988.671345","DOIUrl":"https://doi.org/10.1109/CPEM.1988.671345","url":null,"abstract":"The gloss-meter using a CCD line-sensor, electronic circuits and a single-board computer was developed for curved surfaces, accordance with a new definition of glossiness. Also, by the improvement of an optical system in this meter, a high speeding of measurement and an error reducing were realized.","PeriodicalId":326579,"journal":{"name":"1988 Conference on Precision Electromagnetic Measurements","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1988-06-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117209979","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Measurement Standards For Single-Mode Fibers 单模光纤测量标准
1988 Conference on Precision Electromagnetic Measurements Pub Date : 1988-06-07 DOI: 10.1109/CPEM.1988.671211
D. Franzen
{"title":"Measurement Standards For Single-Mode Fibers","authors":"D. Franzen","doi":"10.1109/CPEM.1988.671211","DOIUrl":"https://doi.org/10.1109/CPEM.1988.671211","url":null,"abstract":"Standard measurement procedures for single-mode fibers are reviewed. Various methods are evaluated and agreement accuracy discussed.","PeriodicalId":326579,"journal":{"name":"1988 Conference on Precision Electromagnetic Measurements","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1988-06-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125997228","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Measurement of h/e/sup 2/ at IMS & IMM 在IMS和IMM上测量h/e/sup 2/
1988 Conference on Precision Electromagnetic Measurements Pub Date : 1988-06-07 DOI: 10.1109/CPEM.1988.671318
V. Kuznetsov, V. Kaminskii, S. Lebedev, V. Pudalov, V. V. Sazhin, S. Semenchinsky, A. K. Yanysh
{"title":"Measurement of h/e/sup 2/ at IMS & IMM","authors":"V. Kuznetsov, V. Kaminskii, S. Lebedev, V. Pudalov, V. V. Sazhin, S. Semenchinsky, A. K. Yanysh","doi":"10.1109/CPEM.1988.671318","DOIUrl":"https://doi.org/10.1109/CPEM.1988.671318","url":null,"abstract":"","PeriodicalId":326579,"journal":{"name":"1988 Conference on Precision Electromagnetic Measurements","volume":"249 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1988-06-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124741723","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Time Comparisons Between KSRI and RRL via the Geostationary Meteorological Satellite of Japan 日本地球同步气象卫星上KSRI与RRL的时间比较
1988 Conference on Precision Electromagnetic Measurements Pub Date : 1988-06-07 DOI: 10.1109/CPEM.1988.671206
N. S. Chung, C. Lee, In Deok Jeon
{"title":"Time Comparisons Between KSRI and RRL via the Geostationary Meteorological Satellite of Japan","authors":"N. S. Chung, C. Lee, In Deok Jeon","doi":"10.1109/CPEM.1988.671206","DOIUrl":"https://doi.org/10.1109/CPEM.1988.671206","url":null,"abstract":"A time comparison system using the ranging signal of the Geostationary Meteorological Satellite of Japan (GMS) has been developed, and the GMS measurements have been carried out between KSRI and RRL.","PeriodicalId":326579,"journal":{"name":"1988 Conference on Precision Electromagnetic Measurements","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1988-06-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129776083","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Linearity of quantized voltages generated by a josephson junction array 由约瑟夫森结阵列产生的量子化电压的线性
1988 Conference on Precision Electromagnetic Measurements Pub Date : 1988-06-07 DOI: 10.1109/CPEM.1988.671141
Y. Sakamoto, T. Endo, Y. Murayama
{"title":"Linearity of quantized voltages generated by a josephson junction array","authors":"Y. Sakamoto, T. Endo, Y. Murayama","doi":"10.1109/CPEM.1988.671141","DOIUrl":"https://doi.org/10.1109/CPEM.1988.671141","url":null,"abstract":"Linearity of quantized voltages generated by a Josephson junction array is experimentally tested at every 100mV in a voltage range of 100mV to 1 volt. The priciple is to measure the resistance ratios of resistors connected in series and examining the consistency among the resistance ratios. The accuracy of measurement is expected to be few parts in 10/sup 8/.","PeriodicalId":326579,"journal":{"name":"1988 Conference on Precision Electromagnetic Measurements","volume":"97 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1988-06-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127377270","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Determination of AC-DC Difference in the 0.1 - 100 MHZ Frequency Range 0.1 - 100mhz频率范围内交直流差的测定
1988 Conference on Precision Electromagnetic Measurements Pub Date : 1988-06-07 DOI: 10.1109/CPEM.1988.671290
J. Kinard, Cai Ti-Xiong
{"title":"Determination of AC-DC Difference in the 0.1 - 100 MHZ Frequency Range","authors":"J. Kinard, Cai Ti-Xiong","doi":"10.1109/CPEM.1988.671290","DOIUrl":"https://doi.org/10.1109/CPEM.1988.671290","url":null,"abstract":"Thermal voltage converter structures have been modeled theoretically and studied experimentally to determine their ac-dc differences in the 0.1-100 megahertz frequency range.","PeriodicalId":326579,"journal":{"name":"1988 Conference on Precision Electromagnetic Measurements","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1988-06-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125678724","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 13
Traceability System of Electrical Standards in Japan 日本电气标准追溯系统
1988 Conference on Precision Electromagnetic Measurements Pub Date : 1988-06-07 DOI: 10.1109/CPEM.1988.671285
M. Kanno
{"title":"Traceability System of Electrical Standards in Japan","authors":"M. Kanno","doi":"10.1109/CPEM.1988.671285","DOIUrl":"https://doi.org/10.1109/CPEM.1988.671285","url":null,"abstract":"This paper describes the traceability system of electrical standards in Japan. National standards are established and maintained by ETL. The dissemination of electrical standards has been carried out by the intermediate transfer agencies, JEMIC and JMI, since 1965.","PeriodicalId":326579,"journal":{"name":"1988 Conference on Precision Electromagnetic Measurements","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1988-06-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132857457","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A New Multifunctional Digital Instrumentation 一种新型多功能数字仪器
1988 Conference on Precision Electromagnetic Measurements Pub Date : 1988-06-07 DOI: 10.1109/CPEM.1988.671297
Huang Junqin
{"title":"A New Multifunctional Digital Instrumentation","authors":"Huang Junqin","doi":"10.1109/CPEM.1988.671297","DOIUrl":"https://doi.org/10.1109/CPEM.1988.671297","url":null,"abstract":"A new multifunctional digital instrumentation is presented in this paper, which consists of multiplex, analog-to-digital converter (CAD), frequency-to-digital converter (FDC), single-chip-microcomputer, keyboard, digital display and printer. It can measure seven analog signals and two frequency signals. The analog signals are the output signals of analog transducers. The frequency signals may be the output signals of the transducers with frequency output. Besides, some main special functions of this digital instrument are: automatic compensation of temperature and source voltage fluctuation.","PeriodicalId":326579,"journal":{"name":"1988 Conference on Precision Electromagnetic Measurements","volume":"72 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1988-06-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132876042","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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