Results 251 to 260 of about 27,446 (309)
Advances in Water Resources, 2008 Issues associated with microwave link rainfall estimation such as the effects of spatial and temporal variation in rain, the nonlinearity of R¿k relations, temporal sampling, power resolution, and wet antenna attenuation are investigated using more than ...
Hidde Leijnse, Remko Uijlenhoet
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Proceedings of the IEE - Part III: Radio and Communication Engineering, 1952
The paper deals with the general theory and design of microwave radio links as transmission systems. After a brief introduction, the questions of propagation and atmospheric phenomena are outlined in so far as they affect the design of a link. There is then given a treatment of a frequency-modulated multichannel radio link in which thermal and ...
A.T. Starr, T.H. Walker
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The paper deals with the general theory and design of microwave radio links as transmission systems. After a brief introduction, the questions of propagation and atmospheric phenomena are outlined in so far as they affect the design of a link. There is then given a treatment of a frequency-modulated multichannel radio link in which thermal and ...
A.T. Starr, T.H. Walker
openaire +1 more source
EBG Antenna for Microwave Links Applications
2006 2nd International Conference on Information & Communication Technologies, 2006In this paper we propose an EBG antenna which presents a good candidate for microwave links systems and more specifically for point to point and the point to multipoint applications required directives antennas with a high gain. The design of the antenna is consisting of a waveguide-fed slot antenna on which we add a one dimension EBG resonator ...
Alkhatib, Rami, Drissi, M'Hamed
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2013
This book presents the electrical models for the different elements of a photonic microwave link like lasers, external modulators, optical fibers, photodiodes and phototransistors. The future trends of these components are also introduced: lasers to VCSEL, external modulators to electro-absorption modulators, glass optical fibers to plastic optical ...
Rumelhard, Christian +2 more
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This book presents the electrical models for the different elements of a photonic microwave link like lasers, external modulators, optical fibers, photodiodes and phototransistors. The future trends of these components are also introduced: lasers to VCSEL, external modulators to electro-absorption modulators, glass optical fibers to plastic optical ...
Rumelhard, Christian +2 more
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IF variable equalizers for FM microwave radio links
IEEE Transactions on Circuits and Systems, 1974The circuit configuration, operational principles, and some test data on three new types of equalizers applicable for use in FM microwave radio links are described. The equalizers are namely of the reflection type, frequency converter type, and AM-PM conversion type.
Haruo Shiki +2 more
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Science, 2020
Optics Communication networks seldom have all components operating at a single frequency. Components are individually designed to operate at optimum frequencies, with the signal then converted from one component to another by means of a transducer. Hybrid quantum systems, for example, will typically require links between microwaves, which operate the ...
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Optics Communication networks seldom have all components operating at a single frequency. Components are individually designed to operate at optimum frequencies, with the signal then converted from one component to another by means of a transducer. Hybrid quantum systems, for example, will typically require links between microwaves, which operate the ...
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Performance of Microwave-Photonic Links
Optical Fiber Communication Conference, 2010Progress in high-performance microwave-photonic links is reviewed. Although recent research has explored a wide variety of techniques, none has provided a spur-free dynamic range approaching what may be achievable ultimately (∼180 dB·Hz). Future directions are considered.
Thomas E. Darcie, Jinye Zhang
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2004 IEEE International Topical Meeting on Microwave Photonics (IEEE Cat. No.04EX859), 2005
The paper will review technologies and performance of systems for the optical transmission of microwave signals, including sources, modulation schemes and detectors. Applications of microwave photonic links in wireless systems and antenna remoting will be described and future trends discussed.
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The paper will review technologies and performance of systems for the optical transmission of microwave signals, including sources, modulation schemes and detectors. Applications of microwave photonic links in wireless systems and antenna remoting will be described and future trends discussed.
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Marconi and the first microwave links
IEEE Antennas and Propagation Society International Symposium. 2001 Digest. Held in conjunction with: USNC/URSI National Radio Science Meeting (Cat. No.01CH37229), 2002A history of radio communications is sketched, up to the description of the first land and sea microwave links realized by Guglielmo Marconi in 1932. Some consideration on early microwave applications and on the first use of the word "microwave" is also presented.
O. M. Bucci +2 more
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Microwave techniques for communication links
Proceedings of the IEE - Part III: Radio and Communication Engineering, 1952The paper describes theoretical and practical work carried out in the development of the microwave parts of links to work in the band 7.15?8.33 cm (3 600?4 200 Mc/s). Special microwave techniques are described and illustrated by particular components, with reference to performance and matching over a broad frequency-band.
G. King +3 more
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