Accession Number:

AD0744049

Title:

Backscatter from a Moving Target in a Randomly Fluctuating Slab (Application to a Vegetated Environment)

Descriptive Note:

Technical note

Corporate Author:

MASSACHUSETTS INST OF TECH LEXINGTON LINCOLN LAB

Personal Author(s):

Report Date:

1972-04-28

Pagination or Media Count:

48.0

Abstract:

The stochastic nature of the target return depends on numerous factors the spatial randomness of the forests EM parameters, their temporal fluctuations, the target size and its state of motion. Attention is focused upon the calculation of the mean power and the temporal spectrum of the target return, quantities of direct and obvious relevance. The spectral modifications are traceable to two first order factors 1 the motion of the scattering centers within the random vegetation slab and 2 the target motion through a randomly inhomogeneous field, with the latter likely to dominate. The analysis is carried out within the framework of the so-called distorted wave Born approximation. The incoherent random scattering is accounted for to the order of single scatter, while coherent background effects such as refraction at the air-vegetation interface and ground reflections are properly considered.

Subject Categories:

  • Active and Passive Radar Detection and Equipment

Distribution Statement:

APPROVED FOR PUBLIC RELEASE