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Proceedings of Conference on Precision Electromagnetic Measurements Digest最新文献

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Monitoring industrial voltage standards by transporting Zener references calibrated by ETL Josephson standard 通过传输由ETL约瑟夫森标准校准的齐纳参考来监测工业电压标准
Proceedings of Conference on Precision Electromagnetic Measurements Digest Pub Date : 1994-12-31 DOI: 10.1109/CPEM.1994.333293
Y. Sakamoto, T. Sakuraba, A. Iwasa, J. Kinoshita, T. Endo
{"title":"Monitoring industrial voltage standards by transporting Zener references calibrated by ETL Josephson standard","authors":"Y. Sakamoto, T. Sakuraba, A. Iwasa, J. Kinoshita, T. Endo","doi":"10.1109/CPEM.1994.333293","DOIUrl":"https://doi.org/10.1109/CPEM.1994.333293","url":null,"abstract":"Industrial voltage standards were monitored for 2 years by transporting Zener references calibrated by ETL Josephson standard. Standards of two participants maintained by using Zener's 10-V output agreed with the ETL standard within 0.4 ppm. A standard of one participant maintained by using standard cells agreed within 1.2 ppm. Voltage transfer capability of Zener's 10-V output was 0.1 ppm, 1.018-V outputs was 0.4 ppm.<<ETX>>","PeriodicalId":388647,"journal":{"name":"Proceedings of Conference on Precision Electromagnetic Measurements Digest","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122669585","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
Improved optical frequency standards at 612 nm 改进了612 nm的光频率标准
Proceedings of Conference on Precision Electromagnetic Measurements Digest Pub Date : 1994-12-31 DOI: 10.1109/CPEM.1994.333373
F. Bertinetto, P. Cordiale, S. Fontana, M. Bisi, M. A. Greco
{"title":"Improved optical frequency standards at 612 nm","authors":"F. Bertinetto, P. Cordiale, S. Fontana, M. Bisi, M. A. Greco","doi":"10.1109/CPEM.1994.333373","DOIUrl":"https://doi.org/10.1109/CPEM.1994.333373","url":null,"abstract":"Using FM spectroscopy as the detection method in an experiment of optical saturation absorption, a fractional stability (Allan variance) of 5/spl times/10/sup -14/ has been observed for an integration time of 10/sup 3/ s,and a reproducibility better than 1 part in 10/sup 11/ has been achieved.<<ETX>>","PeriodicalId":388647,"journal":{"name":"Proceedings of Conference on Precision Electromagnetic Measurements Digest","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126149877","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
Digital signal processing for fiber-optic thermometers 光纤温度计的数字信号处理
Proceedings of Conference on Precision Electromagnetic Measurements Digest Pub Date : 1994-12-31 DOI: 10.1109/CPEM.1994.333227
V. Fernicola, L. Crovini
{"title":"Digital signal processing for fiber-optic thermometers","authors":"V. Fernicola, L. Crovini","doi":"10.1109/CPEM.1994.333227","DOIUrl":"https://doi.org/10.1109/CPEM.1994.333227","url":null,"abstract":"A digital signal processing scheme for measurement of exponentially-decaying signals, such as those found in fluorescence, lifetime-based, fiber-optic sensors, is proposed. The instrument uses a modified digital phase-sensitive-detection technique with the phase locked to a fixed value and the modulation period tracking the measured lifetime. Typical resolution of the system is 0.05% for slow decay (>500 /spl mu/s) and 0.1% for fast decay.<<ETX>>","PeriodicalId":388647,"journal":{"name":"Proceedings of Conference on Precision Electromagnetic Measurements Digest","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116747027","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: 7
A contribution in replacing the kilogram by means of the voltage balance ETF 用电压平衡ETF代替千克的贡献
Proceedings of Conference on Precision Electromagnetic Measurements Digest Pub Date : 1994-12-31 DOI: 10.1109/CPEM.1994.333180
V. Bego, J. Butorac, K. Poljančić, K. Malaric
{"title":"A contribution in replacing the kilogram by means of the voltage balance ETF","authors":"V. Bego, J. Butorac, K. Poljančić, K. Malaric","doi":"10.1109/CPEM.1994.333180","DOIUrl":"https://doi.org/10.1109/CPEM.1994.333180","url":null,"abstract":"This paper gives a short description of the basic principle of work of the EFT voltage balances, as well as the measurement procedures enabling the absolute determination of the volt. Recapitulation of the previous achieved measurement results and the estimation of expected uncertainties for the further experiments using the so-called charge-method, is also given. New measurement series have successfully started at the end of 1993.<<ETX>>","PeriodicalId":388647,"journal":{"name":"Proceedings of Conference on Precision Electromagnetic Measurements Digest","volume":"94 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133181892","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
Analysis of heretofor unsolved electromagnetic simulation problems in high performance multichip modules and printed circuit boards: simulation and measurement of power plane noise and internal inductance 针对高性能多芯片模块和印刷电路板中尚未解决的电磁仿真问题的分析:功率平面噪声和内部电感的仿真与测量
Proceedings of Conference on Precision Electromagnetic Measurements Digest Pub Date : 1994-12-01 DOI: 10.1109/CPEM.1994.333412
R. Techentin, G. Lei, A. J. Staniszewski, G. Pan, D. J. Schwab, B. Gilbert
{"title":"Analysis of heretofor unsolved electromagnetic simulation problems in high performance multichip modules and printed circuit boards: simulation and measurement of power plane noise and internal inductance","authors":"R. Techentin, G. Lei, A. J. Staniszewski, G. Pan, D. J. Schwab, B. Gilbert","doi":"10.1109/CPEM.1994.333412","DOIUrl":"https://doi.org/10.1109/CPEM.1994.333412","url":null,"abstract":"As digital system clock rates have increased and risetimes have decreased, simple RC load delay calculations have proved inadequate for prediction of signal propagation on circuit boards, MCMs, and even high performance integrated circuits. Issues such as characteristic impedance, proper termination, crosstalk, and dispersion dominate interconnect design, have to be dealt with. Electromagnetic (EM) modeling in high performance systems has become an integral part of the design process. Specialized EM modeling tools are required to address the problems of high clock rate digital system design. Development of these specialized EM simulation tools requires extensive analysis of algorithms and their numerical implementation, to ensure that the appropriate electromagnetic effects are modeled in an efficient manner. The algorithms, mathematics, and implementations of EM simulation programs must be verified through a process of design, assembly, and testing of specialized physical structures. Two new algorithms are described from derivation through measurement and verification: accurate analysis of resistance and inductance for MCM interconnect; and equivalent models of power and ground plant noise both of these new algorithms require measurement data to verify their accuracy. In the case of inductance modeling for MCM interconnect, it was possible to utilize existing transmission line test structures, but new test techniques were used to precisely measure impedance over a range of frequencies. In the case of the power and ground plane model, a unique test vehicle was designed specifically to verify both the circuit and wave models, using a variety of time and frequency domain measurement techniques.<<ETX>>","PeriodicalId":388647,"journal":{"name":"Proceedings of Conference on Precision Electromagnetic Measurements Digest","volume":"286 ","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120974867","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 redetermination of the Newtonian gravitational constant at the Los Alamos National Laboratory 洛斯阿拉莫斯国家实验室对牛顿引力常数的重新测定
Proceedings of Conference on Precision Electromagnetic Measurements Digest Pub Date : 1994-06-27 DOI: 10.1109/CPEM.1994.333307
G. Luther, C. Bagley
{"title":"A redetermination of the Newtonian gravitational constant at the Los Alamos National Laboratory","authors":"G. Luther, C. Bagley","doi":"10.1109/CPEM.1994.333307","DOIUrl":"https://doi.org/10.1109/CPEM.1994.333307","url":null,"abstract":"A redetermination of the Newtonian gravitational constant is nearing completion at the Los Alamos National Laboratory. The method used will incorporate both the techniques of Eotvos (1986) and Cavendish (1798), albeit with additional innovations. The philosophy behind the design, the instrumentation and preliminary data will be discussed.<<ETX>>","PeriodicalId":388647,"journal":{"name":"Proceedings of Conference on Precision Electromagnetic Measurements Digest","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-06-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116920548","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 high quality 1-V Josephson series array developed at KRISS 高品质的1-V约瑟夫逊系列阵列在KRISS开发
Proceedings of Conference on Precision Electromagnetic Measurements Digest Pub Date : 1994-06-27 DOI: 10.1109/CPEM.1994.333431
Se Ii Park, Kyu-Tae Kim, R. Lee
{"title":"A high quality 1-V Josephson series array developed at KRISS","authors":"Se Ii Park, Kyu-Tae Kim, R. Lee","doi":"10.1109/CPEM.1994.333431","DOIUrl":"https://doi.org/10.1109/CPEM.1994.333431","url":null,"abstract":"By combining the selective niobium anodization process (SNAP) and the image reversal technique (IRT) a new fabrication process of integrated Josephson series array has been developed at KRISS. The array containing 2520 Nb/Al/sub 2/O/sub 3//Nb tunnel junctions produced stable quantized voltage steps up to 2 V with stability times of more than 5-h.<<ETX>>","PeriodicalId":388647,"journal":{"name":"Proceedings of Conference on Precision Electromagnetic Measurements Digest","volume":"193 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-06-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121111972","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
AC measurements of the quantized Hall resistance 交流测量量子化霍尔电阻
Proceedings of Conference on Precision Electromagnetic Measurements Digest Pub Date : 1994-06-27 DOI: 10.1109/CPEM.1994.333429
A. Hartland, K.P. Kibble, J. Bohácek
{"title":"AC measurements of the quantized Hall resistance","authors":"A. Hartland, K.P. Kibble, J. Bohácek","doi":"10.1109/CPEM.1994.333429","DOIUrl":"https://doi.org/10.1109/CPEM.1994.333429","url":null,"abstract":"The quantized Hall resistance R/sub H/(i), for i=2, 4 and 6 has been measured in the frequency range from DC to 3 kHz by a standard four terminal-pair impedance bridge. For frequencies f, less than 2 kHz, the relative error /spl epsi/(i) between the AC and DC values appeared to be proportional to f and to increase as i decreased. /spl epsi/(6) appeared to be less than 0.4 ppm.<<ETX>>","PeriodicalId":388647,"journal":{"name":"Proceedings of Conference on Precision Electromagnetic Measurements Digest","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-06-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126084325","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: 46
Analysis of the dual heater isothermal AC/DC converter 双加热器等温AC/DC变换器分析
Proceedings of Conference on Precision Electromagnetic Measurements Digest Pub Date : 1994-06-27 DOI: 10.1109/CPEM.1994.333324
R. Gerr
{"title":"Analysis of the dual heater isothermal AC/DC converter","authors":"R. Gerr","doi":"10.1109/CPEM.1994.333324","DOIUrl":"https://doi.org/10.1109/CPEM.1994.333324","url":null,"abstract":"The dual heater isothermal AC/DC converter recently introduced by Katzmann (1989) was developed and tested experimentally. This analysis shows that the device used in a negative feedback loop, driven by a sinusoidal voltage, does yield the RMS value and shows the major sources and approximate magnitudes of error.<<ETX>>","PeriodicalId":388647,"journal":{"name":"Proceedings of Conference on Precision Electromagnetic Measurements Digest","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-06-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126161976","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
Current developments in accurate AC-DC transfer measurements 准确交流-直流传输测量的最新进展
Proceedings of Conference on Precision Electromagnetic Measurements Digest Pub Date : 1994-06-27 DOI: 10.1109/CPEM.1994.333360
M. Klonz
{"title":"Current developments in accurate AC-DC transfer measurements","authors":"M. Klonz","doi":"10.1109/CPEM.1994.333360","DOIUrl":"https://doi.org/10.1109/CPEM.1994.333360","url":null,"abstract":"Recent improvements in commercial AC instruments led to new activities in the field of basic standards for AC-DC transfer measurements. Current developments are discussed in this paper.<<ETX>>","PeriodicalId":388647,"journal":{"name":"Proceedings of Conference on Precision Electromagnetic Measurements Digest","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-06-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123233362","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: 25
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