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The influence of polarization on millimeter wave propagation through rainA program for the measurement and analysis of the depolarization and differential attenuation that occur when millimeter wave signals propagate through rain is described. Initial data are taken along a 1.43 km path at 17.65 GHz and a supporting theoretical model is developed to relate the propagation effects to rainfall rate and wind velocity. A block diagram of the overall experiment is included. It consists of: (1) an RF system (millimeter wave transmitter and receiver), (2) transmitting and receiving antennas, (3) a weather system with rain gauges, wind sensors, and drop counters, and (4) a digital control, processing, and data storage system.
Document ID
19730001490
Acquisition Source
Legacy CDMS
Document Type
Contractor Report (CR)
Authors
Bostian, C. W. (Virginia Polytechnic Inst. and State Univ. Blacksburg, VA, United States)
Stutzman, W. L. (Virginia Polytechnic Inst. and State Univ. Blacksburg, VA, United States)
Date Acquired
September 2, 2013
Publication Date
July 1, 1972
Subject Category
Communications
Report/Patent Number
SASR-1
NASA-CR-130107
Report Number: SASR-1
Report Number: NASA-CR-130107
Accession Number
73N10217
Funding Number(s)
CONTRACT_GRANT: NGR-47-004-091
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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