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Proceedings of Conference on Precision Electromagnetic Measurements Digest最新文献

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A de-embedding technique for reflection-based S-parameters measurements of microwave devices 基于反射的微波器件s参数测量的去嵌入技术
Proceedings of Conference on Precision Electromagnetic Measurements Digest Pub Date : 1994-06-27 DOI: 10.1109/CPEM.1994.333424
F. Ghannouchi, A. Brodeur, F. Beauregard
{"title":"A de-embedding technique for reflection-based S-parameters measurements of microwave devices","authors":"F. Ghannouchi, A. Brodeur, F. Beauregard","doi":"10.1109/CPEM.1994.333424","DOIUrl":"https://doi.org/10.1109/CPEM.1994.333424","url":null,"abstract":"A generalized calibration and de-embedding technique for reflection-based S-parameter measurements of microwave devices is proposed. This technique allows to perform the two-port calibration of a network analyzer directly from the embedded reflection coefficient measurements. This technique is a general one, in the sense that it can be implemented in network analyzers with or without transmission measurement capabilities.<<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":"123709838","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: 3
Experimental determinations of the quantity M//spl rho/ for silicon single crystals used in the determination of the Avogadro constant 用于测定阿伏伽德罗常数的硅单晶M//spl rho/量的实验测定
Proceedings of Conference on Precision Electromagnetic Measurements Digest Pub Date : 1994-06-27 DOI: 10.1109/CPEM.1994.333368
P. De Biévre, S. Valkiers, S. Peiser, F. Spieweck, H. Bettin, A. Peuto, A. Sacconi, M. Mosca, K. Fujii, M. Tanaka, Y. Nezu
{"title":"Experimental determinations of the quantity M//spl rho/ for silicon single crystals used in the determination of the Avogadro constant","authors":"P. De Biévre, S. Valkiers, S. Peiser, F. Spieweck, H. Bettin, A. Peuto, A. Sacconi, M. Mosca, K. Fujii, M. Tanaka, Y. Nezu","doi":"10.1109/CPEM.1994.333368","DOIUrl":"https://doi.org/10.1109/CPEM.1994.333368","url":null,"abstract":"Considerable improvements in the measurements of the molar mass M(Si) of silicon crystals combined with high-accuracy densities (/spl rho/) of the same crystals, have yielded experimental M(Si)//spl rho/ values resulting from the PTB-IRMM, the IMGC-IRMM and the NRLM-IRMM projects for the redetermination of Avogadro's Constant. These M(Si)//spl rho/ values are compared with attributed uncertainties, in relation to the supposition of constancy M(Si)//spl rho/ for silicon.<<ETX>>","PeriodicalId":388647,"journal":{"name":"Proceedings of Conference on Precision Electromagnetic Measurements Digest","volume":"119 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":"114916155","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: 3
Development of the 10-V Josephson junction array at ETL ETL 10v约瑟夫逊结阵列的研制
Proceedings of Conference on Precision Electromagnetic Measurements Digest Pub Date : 1994-06-27 DOI: 10.1109/CPEM.1994.333453
Y. Murayama, Y. Sakamoto, K. Iwasa, M. Nakanishi, H. Yoshida, U. Klein, T. Endo
{"title":"Development of the 10-V Josephson junction array at ETL","authors":"Y. Murayama, Y. Sakamoto, K. Iwasa, M. Nakanishi, H. Yoshida, U. Klein, T. Endo","doi":"10.1109/CPEM.1994.333453","DOIUrl":"https://doi.org/10.1109/CPEM.1994.333453","url":null,"abstract":"The 10-V Josephson junction array has been developed at ETL. The array with 20144 junctions aligned on 4 branches of strip line generates quantized voltage steps up to 13.8 V under millimeter-wave irradiation of 90 mW and 94 GHz.<<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":"115573073","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
Electrical to mechanical power equation by voltage systems: oscillatory solutions 电压系统的电-机械功率方程:振荡解
Proceedings of Conference on Precision Electromagnetic Measurements Digest Pub Date : 1994-06-27 DOI: 10.1109/CPEM.1994.333366
F. Cabiati
{"title":"Electrical to mechanical power equation by voltage systems: oscillatory solutions","authors":"F. Cabiati","doi":"10.1109/CPEM.1994.333366","DOIUrl":"https://doi.org/10.1109/CPEM.1994.333366","url":null,"abstract":"Some principle voltage-operated structures with a contactless moving electrode are shown, together with relations useful for feasibility evaluation. Application to oscillating-mass systems based on electrical levitation is considered. They allow the force balance and the current generation to be performed simultaneously, yielding power equations independent of gravitational acceleration.<<ETX>>","PeriodicalId":388647,"journal":{"name":"Proceedings of Conference on Precision Electromagnetic Measurements Digest","volume":"17 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":"116008476","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
International comparison of /sup 127/I/sub 2/-stabilized He-Ne lasers at /spl lambda/=633 nm using the third and/or the fifth harmonic locking technique 在/spl λ /=633 nm处使用三次和/或五次谐波锁定技术的/sup 127/I/sub 2/稳定He-Ne激光器的国际比较
Proceedings of Conference on Precision Electromagnetic Measurements Digest Pub Date : 1994-06-27 DOI: 10.1109/CPEM.1994.333375
P. Balling, J. Blabla, M. Ziegler, A. Chartier, J. Chartier
{"title":"International comparison of /sup 127/I/sub 2/-stabilized He-Ne lasers at /spl lambda/=633 nm using the third and/or the fifth harmonic locking technique","authors":"P. Balling, J. Blabla, M. Ziegler, A. Chartier, J. Chartier","doi":"10.1109/CPEM.1994.333375","DOIUrl":"https://doi.org/10.1109/CPEM.1994.333375","url":null,"abstract":"An international comparison has been carried out of /sup 127/I/sub 2/-stabilized helium-neon lasers at /spl lambda/=633 nm from the CMI and the BIPM using the beat frequency technique. The lasers were stabilized by the third (THT) and/or the fifth (FHT), harmonic locking technique. Using the FHT, the frequency of lasers is shifted to higher frequencies. An iodine cell designated JM-03 was used to evaluate the frequency shifts produced by weaker components of the rotational-vibrational transition P(33) 6-3 in the mixed molecule /sup 127/I/sup 129/I. Laser comparison shows that the frequencies of components d, e, f, g of the R(127) 11-5 of the molecule /sup 127/I/sub 2/ are very strongly influenced by the weaker spectrum of components of the mixed molecule.<<ETX>>","PeriodicalId":388647,"journal":{"name":"Proceedings of Conference on Precision Electromagnetic Measurements Digest","volume":"111 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":"122543278","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: 4
A new PTB reference RF-field sensor up to 1 GHz compared to metrological characteristics of commercial sensors 与商用传感器的计量特性相比，新型PTB参考射频场传感器高达1 GHz
Proceedings of Conference on Precision Electromagnetic Measurements Digest Pub Date : 1994-06-27 DOI: 10.1109/CPEM.1994.333213
J. Glimm, K. Munter, R. Pape
{"title":"A new PTB reference RF-field sensor up to 1 GHz compared to metrological characteristics of commercial sensors","authors":"J. Glimm, K. Munter, R. Pape","doi":"10.1109/CPEM.1994.333213","DOIUrl":"https://doi.org/10.1109/CPEM.1994.333213","url":null,"abstract":"From calibration data of commercial RF-field strength meters (radiation monitors) the state-of-the-art of measurement uncertainty due to anisotropy, non-linearity, range selection, and modulation response is compared to the prototype of a new PTB broadband RF-field sensor showing improved isotropy and frequency response.<<ETX>>","PeriodicalId":388647,"journal":{"name":"Proceedings of Conference on Precision Electromagnetic Measurements Digest","volume":"1 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":"129790434","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
The 2/sup nd/ APMP resistance intercomparison 2/sup和/ APMP抗性比较
Proceedings of Conference on Precision Electromagnetic Measurements Digest Pub Date : 1994-06-27 DOI: 10.1109/CPEM.1994.333298
K. Jones, W. Gabriel
{"title":"The 2/sup nd/ APMP resistance intercomparison","authors":"K. Jones, W. Gabriel","doi":"10.1109/CPEM.1994.333298","DOIUrl":"https://doi.org/10.1109/CPEM.1994.333298","url":null,"abstract":"The results of a recent resistance intercomparison carried out as part of the Asia Pacific Metrology Programme (APMP) will be given. Three 1 /spl Omega/ and one 10 k/spl Omega/ standards were used. Eight national standards laboratories participated, including some laboratories with quantum Hall resistance standards.<<ETX>>","PeriodicalId":388647,"journal":{"name":"Proceedings of Conference on Precision Electromagnetic Measurements Digest","volume":"16 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":"128366986","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
Integrated micromachined accurate electrostatic true rms-to-dc converter 集成微机械精密静电真有效值-直流转换器
Proceedings of Conference on Precision Electromagnetic Measurements Digest Pub Date : 1994-06-27 DOI: 10.1109/CPEM.1994.333356
B. van Drieenhuizen, R. Wolffenbuttel
{"title":"Integrated micromachined accurate electrostatic true rms-to-dc converter","authors":"B. van Drieenhuizen, R. Wolffenbuttel","doi":"10.1109/CPEM.1994.333356","DOIUrl":"https://doi.org/10.1109/CPEM.1994.333356","url":null,"abstract":"The rms value gives the average energy content of a signal, which is an important parameter in measurements of electrical signals. For non-sinusoidal signals of arbitrary shape a true rms converter should be used. From the existing converters, like electronic, thermal, electrodynamic and electrostatic types, only electronic and thermal converters have been monolithically integrated to date. With the development of micromachining techniques it is possible to integrate also the electrostatic converter. Merging this micromachined converter with on-chip readout electronics enables an accurate converter to be realised when placed in a feedback loop.<<ETX>>","PeriodicalId":388647,"journal":{"name":"Proceedings of Conference on Precision Electromagnetic Measurements Digest","volume":"06 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":"129023459","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: 2
Cross conductivity standard for nonferrous metals at NIM NIM有色金属交叉导电性标准
Proceedings of Conference on Precision Electromagnetic Measurements Digest Pub Date : 1994-06-27 DOI: 10.1109/CPEM.1994.333273
He Caolai, L. Zu-liang, Liu Songyin
{"title":"Cross conductivity standard for nonferrous metals at NIM","authors":"He Caolai, L. Zu-liang, Liu Songyin","doi":"10.1109/CPEM.1994.333273","DOIUrl":"https://doi.org/10.1109/CPEM.1994.333273","url":null,"abstract":"A so called \"cross conductivity standard\" based on a new principle developed from Thompson-Lampard Theorem (1956) has been established at NIM by the end of 1992. The conductivity range of the standard is approximately from 3% IACS to 100% IACS and with an uncertainty about 0.07%. By using an AC measuring system and a new method, the unknowns can be calibrated with an uncertainty of (0.1% /spl sigma/x+0.12% IACS).<<ETX>>","PeriodicalId":388647,"journal":{"name":"Proceedings of Conference on Precision Electromagnetic Measurements Digest","volume":"107 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":"124662497","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 determination of the gravitational constant G 重力常数G的新确定
Proceedings of Conference on Precision Electromagnetic Measurements Digest Pub Date : 1994-06-27 DOI: 10.1109/CPEM.1994.333310
W. Michaelis, H. Haars, R. Augustin
{"title":"A new determination of the gravitational constant G","authors":"W. Michaelis, H. Haars, R. Augustin","doi":"10.1109/CPEM.1994.333310","DOIUrl":"https://doi.org/10.1109/CPEM.1994.333310","url":null,"abstract":"The numerical value of the Newtonian gravitational constant has been determined using cylindrically shaped masses and a static torsion balance with electrostatic compensation of the gravitational induced forces. The experimental set-up is described and the results are announced. There is a surprising deviation from the CODATA value.<<ETX>>","PeriodicalId":388647,"journal":{"name":"Proceedings of Conference on Precision Electromagnetic Measurements Digest","volume":"58 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":"126681410","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: 5
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