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1988 Conference on Precision Electromagnetic Measurements最新文献

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Industrial experience with an array Josephson junction 具有阵列约瑟夫森结的工业经验
1988 Conference on Precision Electromagnetic Measurements Pub Date : 1989-04-01 DOI: 10.1109/CPEM.1988.671145
K. Jaeger, C. A. Zack
{"title":"Industrial experience with an array Josephson junction","authors":"K. Jaeger, C. A. Zack","doi":"10.1109/CPEM.1988.671145","DOIUrl":"https://doi.org/10.1109/CPEM.1988.671145","url":null,"abstract":"An Array Josephson Junctin (AJJ) has been in operation at Lockheed Missiles & Space Co. (LMSC) since September 1986. The AJJ was fabricated at the U.S. National Bureau of Standards (NBS) in Boulder, Co. It has been used on a routine basis for calibration of primary solid state reference standards near 1.0 volts since January 1987. Uncertainties at this voltage level are presently estimated at less than 0.3 ppm.","PeriodicalId":326579,"journal":{"name":"1988 Conference on Precision Electromagnetic Measurements","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1989-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133192035","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
EM Measurements of the Velocity of Light 光速的电磁测量
1988 Conference on Precision Electromagnetic Measurements Pub Date : 1988-06-07 DOI: 10.1109/CPEM.1988.671307
R. Monti
{"title":"EM Measurements of the Velocity of Light","authors":"R. Monti","doi":"10.1109/CPEM.1988.671307","DOIUrl":"https://doi.org/10.1109/CPEM.1988.671307","url":null,"abstract":"","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":"115680650","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 For Vacuo-Thermojunction Characteristics Using Microcomputer 真空热结特性的微机分析
1988 Conference on Precision Electromagnetic Measurements Pub Date : 1988-06-07 DOI: 10.1109/CPEM.1988.671264
T. Takeishi, H. Bhat, C. Minamitake
{"title":"Analysis For Vacuo-Thermojunction Characteristics Using Microcomputer","authors":"T. Takeishi, H. Bhat, C. Minamitake","doi":"10.1109/CPEM.1988.671264","DOIUrl":"https://doi.org/10.1109/CPEM.1988.671264","url":null,"abstract":"Fourier analysis technique is adopted to evaluate the dc and ac component in a thermo-electromotive force (TEMF) from a vacuo-thermojunction(VTJ) at ultra-low frequency. In experiments, a digital wavememory(DM) and a microcomputer(MC) are used to minimize a noise by repeating the analysis and averaging each results. A number of repetition required to sufficiently suppress the influence of the noise is given.","PeriodicalId":326579,"journal":{"name":"1988 Conference on Precision Electromagnetic Measurements","volume":"5 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":"115753118","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
On The Theories of the Fifth Force 第五种力的理论
1988 Conference on Precision Electromagnetic Measurements Pub Date : 1988-06-07 DOI: 10.1109/CPEM.1988.671365
Y. Fujii
{"title":"On The Theories of the Fifth Force","authors":"Y. Fujii","doi":"10.1109/CPEM.1988.671365","DOIUrl":"https://doi.org/10.1109/CPEM.1988.671365","url":null,"abstract":"Theoretical backgrounds behind the experimental searches for a purported intermediate-range force nearly as weak as gravity are reviewed.","PeriodicalId":326579,"journal":{"name":"1988 Conference on Precision Electromagnetic Measurements","volume":"58 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":"117166330","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
Direct Measurements of Complex Magnetic Permeability and Complex Dielectric Permittivity of Magnetic Materials 磁性材料复磁导率和复介电常数的直接测量
1988 Conference on Precision Electromagnetic Measurements Pub Date : 1988-06-07 DOI: 10.1109/CPEM.1988.671227
M. Afsar
{"title":"Direct Measurements of Complex Magnetic Permeability and Complex Dielectric Permittivity of Magnetic Materials","authors":"M. Afsar","doi":"10.1109/CPEM.1988.671227","DOIUrl":"https://doi.org/10.1109/CPEM.1988.671227","url":null,"abstract":"The dispersive Fourier transform spectroscopy was used with the specimen at the center of a high intensity \"Bitter\" solenoid magnet to measure the real and imaginary parts of complex magnetic permeability and real and imaginary parts of the complex dielectric permittivity of cubic and hexagonal ferrite materials at millimeter wavelength region.","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":"127493511","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
Calibrator For Alternating Voltage, Current And Power 交流电压，电流和功率校准器
1988 Conference on Precision Electromagnetic Measurements Pub Date : 1988-06-07 DOI: 10.1109/CPEM.1988.671337
P. Miljanic
{"title":"Calibrator For Alternating Voltage, Current And Power","authors":"P. Miljanic","doi":"10.1109/CPEM.1988.671337","DOIUrl":"https://doi.org/10.1109/CPEM.1988.671337","url":null,"abstract":"A computer-controlled calibrator capable of delivering AC sinusoidal and distorted voltage, current and power, with an accuracy of several parts per milion, is described. A combination of feedback and error-feedforward control strategy, together with the current comparator technique for very accurate ratio measurements, is implemented. The ppm stability of the calibrator permits the use of a multiplexing program for monitoring of several instruments over a long period of time.","PeriodicalId":326579,"journal":{"name":"1988 Conference on Precision Electromagnetic Measurements","volume":"62 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":"124890267","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
Permittivity Measurements of Macroscopic Particles 宏观粒子介电常数测量
1988 Conference on Precision Electromagnetic Measurements Pub Date : 1988-06-07 DOI: 10.1109/CPEM.1988.671352
K. Goossens, L. van Biesen
{"title":"Permittivity Measurements of Macroscopic Particles","authors":"K. Goossens, L. van Biesen","doi":"10.1109/CPEM.1988.671352","DOIUrl":"https://doi.org/10.1109/CPEM.1988.671352","url":null,"abstract":"Non-uniform electric fields are used to determine the dielectric properties of macroscopic particles (um). Experimental work on permittivity measurements of microfossils have led to new applications in paleontology.","PeriodicalId":326579,"journal":{"name":"1988 Conference on Precision Electromagnetic Measurements","volume":"1 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":"125775379","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
Reference Pulse Generators: Theory Application and Status of Development 参考脉冲发生器:理论、应用及发展现状
1988 Conference on Precision Electromagnetic Measurements Pub Date : 1988-06-07 DOI: 10.1109/CPEM.1988.671370
N. Nahman
{"title":"Reference Pulse Generators: Theory Application and Status of Development","authors":"N. Nahman","doi":"10.1109/CPEM.1988.671370","DOIUrl":"https://doi.org/10.1109/CPEM.1988.671370","url":null,"abstract":"The reference pulse generator (RPG) is a transfer standard, i.e., a generator of known pulse shape, amplitude, and source impedance, useful for evaluating the measurement capabilities of waveform measurement systems. The discussion includes (1) principles, (2) application methodology, and (3) a review of the RPG evolution to present ongoing development.","PeriodicalId":326579,"journal":{"name":"1988 Conference on Precision Electromagnetic Measurements","volume":"107 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":"115559858","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
Reconstruction of Magnetic Flux Density as Vector Quantity by CT Technique 基于CT技术的磁通密度矢量重建
1988 Conference on Precision Electromagnetic Measurements Pub Date : 1988-06-07 DOI: 10.1109/CPEM.1988.671341
H. Saito, A. Miyamoto, T. Morozumi, S. Yuta, M. Nakajima
{"title":"Reconstruction of Magnetic Flux Density as Vector Quantity by CT Technique","authors":"H. Saito, A. Miyamoto, T. Morozumi, S. Yuta, M. Nakajima","doi":"10.1109/CPEM.1988.671341","DOIUrl":"https://doi.org/10.1109/CPEM.1988.671341","url":null,"abstract":"In this paper, we propose a novel method for imaging the magnetic field as a vector quantity, applying CT technique to the electromagnetic induction phenomenon generated in a conductor moving in the magnetic field.","PeriodicalId":326579,"journal":{"name":"1988 Conference on Precision Electromagnetic Measurements","volume":"318 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":"122317576","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
Optimum Dimention of Mount for Measurement of Permittivity 测量介电常数的最佳安装尺寸
1988 Conference on Precision Electromagnetic Measurements Pub Date : 1988-06-07 DOI: 10.1109/CPEM.1988.671226
K. Kikuchi
{"title":"Optimum Dimention of Mount for Measurement of Permittivity","authors":"K. Kikuchi","doi":"10.1109/CPEM.1988.671226","DOIUrl":"https://doi.org/10.1109/CPEM.1988.671226","url":null,"abstract":"The experimental results on the effect of the geometry of mount on permittivity of dielectric materials are described.The condition, ka=0, make the field distribution in the mount uniform. In case of ka>0.5, the mount has not uniform field and the experimental results lead to noticeable error.","PeriodicalId":326579,"journal":{"name":"1988 Conference on Precision Electromagnetic Measurements","volume":"131 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":"122334021","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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