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Decreasing the phase noise in the information transmission radio systems reference oscillator by thermal stresses in the quartz resonator 利用石英谐振腔中的热应力降低信息传输无线电系统参考振荡器中的相位噪声
2014 Dynamics of Systems, Mechanisms and Machines (Dynamics) Pub Date : 2014-11-01 DOI: 10.1109/DYNAMICS.2014.7005675
A. Lepetaev, I. Khomenko, R. R. Fakhrutdinov
{"title":"Decreasing the phase noise in the information transmission radio systems reference oscillator by thermal stresses in the quartz resonator","authors":"A. Lepetaev, I. Khomenko, R. R. Fakhrutdinov","doi":"10.1109/DYNAMICS.2014.7005675","DOIUrl":"https://doi.org/10.1109/DYNAMICS.2014.7005675","url":null,"abstract":"Phase noise of reference quartz oscillators limits the ability of radio communication systems. To reduce this noise it is necessary to increase the power dissipated in a quartz resonator. But because of too much power in the crystal plate, thermal stresses appear, being a consequence of the specific components of the additional phase noise caused by the transformation of the amplitude fluctuations in the frequency deviation. Analysis of emerging thermal stress is quite a challenge. This article describes the technique of calculating the thermal field of the quartz resonator, which allows calculating the three-dimensional problem in a two-dimensional region. Dimension reduction is based on the information about the distribution law for the heat generation in thickness. The method offered takes into account the geometric properties of the resonator and the distribution of the amplitude variations in the resonator body.","PeriodicalId":248001,"journal":{"name":"2014 Dynamics of Systems, Mechanisms and Machines (Dynamics)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130992285","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
Experimental examinations of changes influence of the Brillouin backscattering spectrum in optical fibers on their characteristics 光纤布里渊后向散射谱变化对光纤特性影响的实验研究
2014 Dynamics of Systems, Mechanisms and Machines (Dynamics) Pub Date : 2014-11-01 DOI: 10.1109/DYNAMICS.2014.7005641
I. Bogachkov, V. A. Maystrenko
{"title":"Experimental examinations of changes influence of the Brillouin backscattering spectrum in optical fibers on their characteristics","authors":"I. Bogachkov, V. A. Maystrenko","doi":"10.1109/DYNAMICS.2014.7005641","DOIUrl":"https://doi.org/10.1109/DYNAMICS.2014.7005641","url":null,"abstract":"The results of experimental examination of the strain (mechanical stresses) characteristics of different type optical fibers based on Brillouin backscattering spectrum analysis are presented. Also here are discussed temperature dependences of Brillouin backscattering spectrum changes of the optical fibers. The received results confirmed a possibility to detect problem (mechanical stressed) sections and estimations of the optical fiber strain degree on the basis of the Brillouin reflectometry method at different mechanical influences.","PeriodicalId":248001,"journal":{"name":"2014 Dynamics of Systems, Mechanisms and Machines (Dynamics)","volume":"54 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128613184","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: 12
The design procedure of the aerodynamic maneuver for the fall location changing of the carrier rocket stage 运载火箭级降落位置变化气动机动设计过程
2014 Dynamics of Systems, Mechanisms and Machines (Dynamics) Pub Date : 2014-11-01 DOI: 10.1109/DYNAMICS.2014.7005700
V. Trushlyakov, D. V. Sitnikov
{"title":"The design procedure of the aerodynamic maneuver for the fall location changing of the carrier rocket stage","authors":"V. Trushlyakov, D. V. Sitnikov","doi":"10.1109/DYNAMICS.2014.7005700","DOIUrl":"https://doi.org/10.1109/DYNAMICS.2014.7005700","url":null,"abstract":"The procedure of the computation of the program trajectory of the spent stage descending to the impact point and stabilization about the program trajectory considered. The requirements to gas-jet-propelled stabilization system and the operating cycle gasification board system for residual fuel used for the stabilization formulated. The stabilization processes calculations, evaluation of displacement spent stage descending location about the initial trajectory for example first stage separable part of the carrier rocket \"Soyuz-2.1.v\" at various descending trajectory synthesis schemes.","PeriodicalId":248001,"journal":{"name":"2014 Dynamics of Systems, Mechanisms and Machines (Dynamics)","volume":"692 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125793329","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
Comparing indices characterizing nonsinusoidality of supply voltage 比较电源电压的非正弦性指标
2014 Dynamics of Systems, Mechanisms and Machines (Dynamics) Pub Date : 2014-11-01 DOI: 10.1109/DYNAMICS.2014.7005637
P. Belyaev, D. S. Sadayev
{"title":"Comparing indices characterizing nonsinusoidality of supply voltage","authors":"P. Belyaev, D. S. Sadayev","doi":"10.1109/DYNAMICS.2014.7005637","DOIUrl":"https://doi.org/10.1109/DYNAMICS.2014.7005637","url":null,"abstract":"In the present times a greater awareness is generated by the problems of harmonic voltages and currents produced by non-linear loads like the power electronic converters. The influence of voltage and current harmonics on equipment connected to electrical supply systems can cause serious problems. Customers need to be protected from other customers producing excessive distortion on the supply and damaging equipment or causing inconvenient mailfunction. This paper focuses on the set of national standards regulating the rate of indices, which characterize the nonsinusoidality of the supply voltage.","PeriodicalId":248001,"journal":{"name":"2014 Dynamics of Systems, Mechanisms and Machines (Dynamics)","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126781600","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
The effect of thermal-oxidative and thermal treatment on the structure and electrical conductivity properties of the carbon black particles 热氧化和热处理对炭黑颗粒结构和电导率的影响
2014 Dynamics of Systems, Mechanisms and Machines (Dynamics) Pub Date : 2014-11-01 DOI: 10.1109/DYNAMICS.2014.7005697
Y. Surovikin, A. G. Shaitanov, Yury A. Tsvetkov, I. Rezanov
{"title":"The effect of thermal-oxidative and thermal treatment on the structure and electrical conductivity properties of the carbon black particles","authors":"Y. Surovikin, A. G. Shaitanov, Yury A. Tsvetkov, I. Rezanov","doi":"10.1109/DYNAMICS.2014.7005697","DOIUrl":"https://doi.org/10.1109/DYNAMICS.2014.7005697","url":null,"abstract":"The effect of thermal-oxidative treatment on the structure and conductive properties of nanosized globular carbon (NGC) P 234 was demonstrated. A structural study of the NGC P 234 particles in comparison with NGC N234 was carried out by the Raman and XRD methods. A correlation between thermal-oxidative effect, treatment temperature and electrical resistance of NGC was interpreted through changes in the structural characteristics La and ID/IG. A relationship between conductive properties and heating temperature was found to be nonmonotonic.","PeriodicalId":248001,"journal":{"name":"2014 Dynamics of Systems, Mechanisms and Machines (Dynamics)","volume":"58 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127856785","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
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