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Modelling of Drop Size Distribution of Rain from Rain Rate and Attenuation Measurements at Millimeter and Optical Wavelengths

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Abstract

This paper describes a technique for modelling of rain drop size distributions at Calcutta in terms of negative exponential function, from the measurements of rain rate and attenuation over a dual wavelength LOS link at millimeter and optical frequencies. The DSD model obtained is then used to determine the attenuation at 94 GHz, for comparison with experimentally obtained attenuation at 94 GHz. This is also compared with the attenuation calculated by considering other experimentally obtained DSD models. The best fit negative exponential distribution function (modified M-P model) is presented along with some other experimentally obtained and reference models.

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Authors and Affiliations

  1. Institute of Radio Physics and Electronics, University of Calcutta, Calcutta, 700 009, India

    S. Bhattacharyya & A. K. Sen

  2. Engineering Institute for Junior Executives, Dalalpukur, Howrah, India

    Marina Dan

Authors
  1. S. Bhattacharyya
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  2. Marina Dan
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  3. A. K. Sen
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Bhattacharyya, S., Dan, M. & Sen, A.K. Modelling of Drop Size Distribution of Rain from Rain Rate and Attenuation Measurements at Millimeter and Optical Wavelengths. International Journal of Infrared and Millimeter Waves 21, 2065–2075 (2000). https://doi.org/10.1023/A:1006792706134

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  • DOI: https://doi.org/10.1023/A:1006792706134

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