The broadening of pulses due to multipath propagation of radiation

Details The broadening of pulses due to multipath propagation of radiation The broadening of pulses due to multipath propagation of radiation

Feb 1975

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975rspsa.342..131w&link_type=abstract

Royal Society (London), Proceedings, Series A, vol. 342, no. 1628, Feb. 25, 1975, p. 131-147.

Physics

16

Electromagnetic Pulses, Multipath Transmission, Plane Waves, Pulse Duration, Ray Tracing, Wave Diffraction, Asymptotic Methods, Electromagnetic Scattering, Monte Carlo Method, Numerical Integration, Pulsars, Pulsed Radiation, Stochastic Processes

Scientific paper

It is shown that when a pulsed plane wave is normally incident on a weakly irregular medium, a stochastic ray-path calculation of the pulse shape expected at a given distance inside the medium gives the same result as a full diffraction treatment of multipath propagation as given by Uscinski (1974). The ray treatment suggests a Monte Carlo method of estimating the pulse shape for larger depths into the medium than is possible with the scheme involving many numerical integrations used by Uscinski. Pulse shapes are calculated using the ray-path method for the case in which a statistically uniform medium extends along the whole length of the line of sight.

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