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AIP Conference Proceedings, 2007
Electromagnetic radio waves traveling within earth’s atmosphere are called terrestrial waves, and communications between two or more points on earth is called terrestrial radio communications. Terrestrial waves are influenced by the atmosphere and earth itself.
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Electromagnetic radio waves traveling within earth’s atmosphere are called terrestrial waves, and communications between two or more points on earth is called terrestrial radio communications. Terrestrial waves are influenced by the atmosphere and earth itself.
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Radio wave propagation through woods
IEEE Antennas and Propagation Magazine, 1999In 1997 and 1998, measurements were made of radio wave attenuation through a cottonwood plantation at the University of Illinois at Urbana-Champaign, on a number of frequencies between 27 and 411 MHz. Based on these measurements, an empirical formula that describes radio wave attenuation was developed.
J. Goldman, G.W. Swenson
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Modelling microcellular radio wave propagation
Proceedings of Vehicular Technology Conference - VTC, 2002This paper deals with the modelling of the microcellular radio wave propagation from the point of view of the radio network planning. Two propagation models, a so-called 3D-model based on the UTD and a ray-launching method, and the COST-Walfish-Ikegami-model, were implemented and some results of comparing the predicted and measured field strength (at 2
null Zhongrong Liu, W. Mende
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1978
We summarized in Chapter I the character of the interaction with the atmosphere of that part of the electromagnetic spectrum capable of exciting transitions in individual neutral molecules. Longer wavelengths in the electromagnetic spectrum (microwaves) do not correspond to any strong interaction, whence a large transparent ‘window’ put to good use by ...
Alain Giraud, Michel Petit
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We summarized in Chapter I the character of the interaction with the atmosphere of that part of the electromagnetic spectrum capable of exciting transitions in individual neutral molecules. Longer wavelengths in the electromagnetic spectrum (microwaves) do not correspond to any strong interaction, whence a large transparent ‘window’ put to good use by ...
Alain Giraud, Michel Petit
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2003
This chapter discusses properties of radio waves and their propagation. Radio waves are a form of radiation known as electromagnetic waves. The properties of radio waves and the way in which they travel or propagate are of prime importance in the study of radio technology.
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This chapter discusses properties of radio waves and their propagation. Radio waves are a form of radiation known as electromagnetic waves. The properties of radio waves and the way in which they travel or propagate are of prime importance in the study of radio technology.
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Radio Wave Propagation over Salem
AIP Conference Proceedings, 2007In this paper study of rainfall has been carried out over Salem, a place in Southern India. Rainfall rate values have been recorded using a fast response rain gauge installed at Sona College of Technology. The derived rainfall rates have been used to estimate attenuation in the 10–100 GHz frequency range.
R. S. Jaiswal, S. Uma, M. V. A. Raj
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The propagation of radio waves
Institution of Electrical Engineers - Proceedings of the Wireless Section of the Institution, 1926The paper gives the results obtained from a systematic study of the received intensities of various long-wave transmitting stations at four receiving stations over a period of nearly two years.The weekly averages of the results are studied, and it is shown that they are inconsistent with any law of steady decay.
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Essentials of Radio Wave Propagation
2007If you need to maximize efficiency in wireless network planning, an understanding of radio propagation issues is vital, and this 2007 reference guide is for you. Using real-world case studies, practical problems and minimum mathematics, the author explains simply and clearly how to predict signal strengths in a variety of situations.
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