Accession Number : AD0782029

Title :   Propagation Characteristics of a Pulse Wave in a Discrete Time-Varying Random Medium.

Descriptive Note : Technical rept.,

Corporate Author : WASHINGTON UNIV SEATTLE DEPT OF ELECTRICAL ENGINEERING

Personal Author(s) : Ishimaru,Akira ; Hong,S. T.

Report Date : MAR 1974

Pagination or Media Count : 41

Abstract : The propagation characteristics, coherence time, coherence bandwidth, and pulse waveform of a wave passing through a discrete time-varying random medium are considered in the report. They are formulated based on Foldy-Twersky theory. Using its first order solution, explicit expressions are given for plane, spherical and beam waves. These expressions apply to the cases of small transmitting bandwidths and/or short propagation distances. Numerical calculations are made for mm plane and spherical waves propagated through rain. (Modified author abstract)

Descriptors :   *Microwaves, *Millimeter waves, Wave propagation, Radiofrequency pulses, Radiative transfer, Integral equations, Maxwells equations, Refractive index, Coherent electromagnetic radiation, Attenuation, Rain

Subject Categories : Electromagnetic Pulses

Distribution Statement : APPROVED FOR PUBLIC RELEASE