Pub Date : 2002-09-09DOI: 10.1109/CRMICO.2002.1137147
S. Kravchuk, M. Ilchenko
Various broadband access systems are described and classified in this paper. On the basis of the conducted analysis, a new kind of telecommunications has been determined - broadband wireless access systems. Great attention was paid to various terms and definitions of the considered broadband access systems.
{"title":"Broadband wireless access systems. Terms and definitions","authors":"S. Kravchuk, M. Ilchenko","doi":"10.1109/CRMICO.2002.1137147","DOIUrl":"https://doi.org/10.1109/CRMICO.2002.1137147","url":null,"abstract":"Various broadband access systems are described and classified in this paper. On the basis of the conducted analysis, a new kind of telecommunications has been determined - broadband wireless access systems. Great attention was paid to various terms and definitions of the considered broadband access systems.","PeriodicalId":378024,"journal":{"name":"12th International Conference Microwave and Telecommunication Technology","volume":"156 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-09-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114433664","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}
Pub Date : 2002-09-09DOI: 10.1109/CRMICO.2002.1137267
M. Protsenko, A. Lukyanchikov, P. Komarov, M.I. Redin
The investigation results of conical spiral antenna radiation characteristics are presented. An exponential spiral winding law for conical antennas providing the given radiation mode is proposed on the basis of a local equivalence principle. A comparison of the conical spiral antennas radiation characteristics with the well-known spiral winding laws (equiangular, Archimedian) is carried out.
{"title":"Optimization of conical spiral antenna geometry by required radiation pattern criterion","authors":"M. Protsenko, A. Lukyanchikov, P. Komarov, M.I. Redin","doi":"10.1109/CRMICO.2002.1137267","DOIUrl":"https://doi.org/10.1109/CRMICO.2002.1137267","url":null,"abstract":"The investigation results of conical spiral antenna radiation characteristics are presented. An exponential spiral winding law for conical antennas providing the given radiation mode is proposed on the basis of a local equivalence principle. A comparison of the conical spiral antennas radiation characteristics with the well-known spiral winding laws (equiangular, Archimedian) is carried out.","PeriodicalId":378024,"journal":{"name":"12th International Conference Microwave and Telecommunication Technology","volume":"80 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-09-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134550253","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}
Pub Date : 2002-09-09DOI: 10.1109/CRMICO.2002.1137229
G.B. Zhuravel, Y. Maksimenko, A. S. Mikryukov
It is shown, that ensuring stable long-distance communication is possible only at specified frequencies, which are chosen taking into account the recommendations of the skywave service. The creation of such service in Ukraine is necessary.
{"title":"Proposals for improving of frequency support of decameter radio-communication","authors":"G.B. Zhuravel, Y. Maksimenko, A. S. Mikryukov","doi":"10.1109/CRMICO.2002.1137229","DOIUrl":"https://doi.org/10.1109/CRMICO.2002.1137229","url":null,"abstract":"It is shown, that ensuring stable long-distance communication is possible only at specified frequencies, which are chosen taking into account the recommendations of the skywave service. The creation of such service in Ukraine is necessary.","PeriodicalId":378024,"journal":{"name":"12th International Conference Microwave and Telecommunication Technology","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-09-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122016374","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}
Pub Date : 2002-09-09DOI: 10.1109/CRMICO.2002.1137199
A. V. Aksenchyk, A. A. Kurayev, A. K. Sinitsyn
The description of model of coupled-cavity BWO is given and the results of optimization of irregular BWO on a coupled-cavity are submitted. In a cm-band the generators on irregular BWO can have electronic efficiency 50%, hybrid circuits of a BWO-TWT, 68%.
{"title":"Effective irregular cavity BWO","authors":"A. V. Aksenchyk, A. A. Kurayev, A. K. Sinitsyn","doi":"10.1109/CRMICO.2002.1137199","DOIUrl":"https://doi.org/10.1109/CRMICO.2002.1137199","url":null,"abstract":"The description of model of coupled-cavity BWO is given and the results of optimization of irregular BWO on a coupled-cavity are submitted. In a cm-band the generators on irregular BWO can have electronic efficiency 50%, hybrid circuits of a BWO-TWT, 68%.","PeriodicalId":378024,"journal":{"name":"12th International Conference Microwave and Telecommunication Technology","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-09-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126077428","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}
Pub Date : 2002-09-09DOI: 10.1109/CRMICO.2002.1137301
D. Brinkevich, V. Prosolovich, Yu.N. Yankovski
It is shown that rare-earth doping of silicon can be useful in the technology of SHF-devices. The use of silicon doped by rare-earth elements (REE) as substrates for epitaxial layers allows the improvement of the stability of p-n junctions and MOS-structures to radiation effects.
{"title":"Lanthanides application in planar technology of microwave devices production","authors":"D. Brinkevich, V. Prosolovich, Yu.N. Yankovski","doi":"10.1109/CRMICO.2002.1137301","DOIUrl":"https://doi.org/10.1109/CRMICO.2002.1137301","url":null,"abstract":"It is shown that rare-earth doping of silicon can be useful in the technology of SHF-devices. The use of silicon doped by rare-earth elements (REE) as substrates for epitaxial layers allows the improvement of the stability of p-n junctions and MOS-structures to radiation effects.","PeriodicalId":378024,"journal":{"name":"12th International Conference Microwave and Telecommunication Technology","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-09-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123621274","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}
Pub Date : 2002-09-09DOI: 10.1109/CRMICO.2002.1137292
V. M. Vladimirov, S. Kulinich, Yu.G. Shikhov
The method of miniaturization of microstrip filters with a narrow passband is offered. The suggested method allows controlling the main electrical filter characteristics and optimising its dimensions simply.
提出了窄通带微带滤波器小型化的方法。所建议的方法允许控制主要的电滤波器特性和优化其尺寸简单。
{"title":"Microstrip filter with adjustable coupling compensation for receiver-indicator of GLONASS+GPS","authors":"V. M. Vladimirov, S. Kulinich, Yu.G. Shikhov","doi":"10.1109/CRMICO.2002.1137292","DOIUrl":"https://doi.org/10.1109/CRMICO.2002.1137292","url":null,"abstract":"The method of miniaturization of microstrip filters with a narrow passband is offered. The suggested method allows controlling the main electrical filter characteristics and optimising its dimensions simply.","PeriodicalId":378024,"journal":{"name":"12th International Conference Microwave and Telecommunication Technology","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-09-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125206565","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}
Pub Date : 2002-09-09DOI: 10.1109/CRMICO.2002.1137284
A.A. Pohvalin
The possibility of tunable delay line (TDL) version realization consisting of two cascaded 3-dB quadrature bridges and tuned by capacitors is provided. The offered structure is simple for realization and consists of a minimum amount of elements. The synthesis method of such a device is given.
{"title":"Tunable delay line based on quadrature bridges","authors":"A.A. Pohvalin","doi":"10.1109/CRMICO.2002.1137284","DOIUrl":"https://doi.org/10.1109/CRMICO.2002.1137284","url":null,"abstract":"The possibility of tunable delay line (TDL) version realization consisting of two cascaded 3-dB quadrature bridges and tuned by capacitors is provided. The offered structure is simple for realization and consists of a minimum amount of elements. The synthesis method of such a device is given.","PeriodicalId":378024,"journal":{"name":"12th International Conference Microwave and Telecommunication Technology","volume":"78 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-09-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125044696","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}
Pub Date : 2002-09-09DOI: 10.1109/CRMICO.2002.1137276
B.V. Sestroretsky, T.V. Kamyshev
Balanced E-divider is developed; its weight and size are much less than weight and sizes of dividers based on H-bridges. The basic characteristics of given waveguide dividers are more uniform and exact than similar characteristics of bridges.
{"title":"Topological synthesis of 96-channel PAA exciter on balanced E-dividers","authors":"B.V. Sestroretsky, T.V. Kamyshev","doi":"10.1109/CRMICO.2002.1137276","DOIUrl":"https://doi.org/10.1109/CRMICO.2002.1137276","url":null,"abstract":"Balanced E-divider is developed; its weight and size are much less than weight and sizes of dividers based on H-bridges. The basic characteristics of given waveguide dividers are more uniform and exact than similar characteristics of bridges.","PeriodicalId":378024,"journal":{"name":"12th International Conference Microwave and Telecommunication Technology","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-09-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130331701","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}
Pub Date : 2002-09-09DOI: 10.1109/CRMICO.2002.1137322
V. Balakirev, N. I. Onishchenko, D. Sidorenko, G. V. Sotnikov
The excitation of wake fields by a train of relativistic electron bunches in a cylindrical waveguide partially filled with dielectric is considered. The waveguide finiteness along the longitudinal direction is accounted for by the introduction of the wake field trailing edge which propagates at the velocity equal to the group velocity of the resonance wave. The numerical simulation of self-consistent dynamics for particles and for the acceleration of electrons in wake fields is carried out.
{"title":"Influence of a finite length of a dielectric waveguide on the acceleration of electrons by wake fields of a train of bunches","authors":"V. Balakirev, N. I. Onishchenko, D. Sidorenko, G. V. Sotnikov","doi":"10.1109/CRMICO.2002.1137322","DOIUrl":"https://doi.org/10.1109/CRMICO.2002.1137322","url":null,"abstract":"The excitation of wake fields by a train of relativistic electron bunches in a cylindrical waveguide partially filled with dielectric is considered. The waveguide finiteness along the longitudinal direction is accounted for by the introduction of the wake field trailing edge which propagates at the velocity equal to the group velocity of the resonance wave. The numerical simulation of self-consistent dynamics for particles and for the acceleration of electrons in wake fields is carried out.","PeriodicalId":378024,"journal":{"name":"12th International Conference Microwave and Telecommunication Technology","volume":"55 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-09-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127673395","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}
Pub Date : 2002-09-09DOI: 10.1109/CRMICO.2002.1137241
V.L. Gostuykhin, V. N. Trusov, A.V. Gostuykhin
The passage of wideband signals in a transmitting active phased antenna array (APAA) is considered on the basis of a spectral approach. For the case of broadband phase-shifters, the variation of antenna array parameters is established. Demonstrated here is a decrease of received signal level with increase of frequency band occupied by the signal.
{"title":"Wideband signals passage in the active phase antenna arrays","authors":"V.L. Gostuykhin, V. N. Trusov, A.V. Gostuykhin","doi":"10.1109/CRMICO.2002.1137241","DOIUrl":"https://doi.org/10.1109/CRMICO.2002.1137241","url":null,"abstract":"The passage of wideband signals in a transmitting active phased antenna array (APAA) is considered on the basis of a spectral approach. For the case of broadband phase-shifters, the variation of antenna array parameters is established. Demonstrated here is a decrease of received signal level with increase of frequency band occupied by the signal.","PeriodicalId":378024,"journal":{"name":"12th International Conference Microwave and Telecommunication Technology","volume":"61 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-09-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129978452","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}
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