Computer Science – Numerical Analysis
Scientific paper
Jun 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983ieeep..71..722k&link_type=abstract
IEEE, Proceedings (ISSN 0018-9219), vol. 71, June 1983, p. 722-737.
Computer Science
Numerical Analysis
43
Frequency Hopping, Ionospheric Propagation, Random Signals, Signal Distortion, Stochastic Processes, Wideband Communication, Atmospheric Turbulence, Numerical Analysis, Phase Deviation, Radio Scattering, Satellite Communication, Screen Effect, Wave Equations
Scientific paper
An analytical/numerical technique is presented that provides a solution to the parabolic wave equation and allows for direct calculation of the received time-domain signal after propagation of a wide-bandwidth waveform through a turbulent ionized medium. The results are applicable to the case of satellite communication or to radar observation through a frequency-selective transionospheric propagation channel. A number of examples of the application of multiple phase-screen (MPS) techniques are given that enhance intuitive understanding of wave propagation. Numerical predictions of scattering through a striated barium cloud are compared to experimental observations. Good agreement is also shown between MPS calculations and theoretical results for cases in both weak and strong scattering regimes.
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