Grazing angle scattering of electromagnetic waves based on an improved two-scale model

Naheed Sajjad; Ali Khenchaf; Sajjad Ali Mushtaq

doi:10.1117/1.JRS.7.073571

3 May 2013 Grazing angle scattering of electromagnetic waves based on an improved two-scale model

Naheed Sajjad, Ali Khenchaf, Sajjad Ali Mushtaq

Author Affiliations +

Journal of Applied Remote Sensing, Vol. 7, Issue 1, 073571 (May 2013). https://doi.org/10.1117/1.JRS.7.073571

Abstract

Remote sensing applications require developing accurate models to predict radar bistatic scattering from random rough surfaces. In this context, an improved two-scale model (TSM) is developed. The simplest TSM (TSM1) combines the first order small perturbation method (SPM1) with geometrical optics (GO) to be able to cope with both the small- and large-scale components of the surface. To get improved results at grazing angles and better depolarization estimation, we include the effects of multiscattering due to the target surface by adding the second order SPM (SPM2) contribution to SPM1 at small scale and develop an improved TSM (TSM2). The applications of TSM2 are presented for sea surface by assuming the surface-height spectrum of Elfouhaily et al., at grazing angles. In the backscattering configuration the numerical results are compared with the published experimental data and other approximate analytical models. Finally, we use the TSM2 to predict the sea scattering in the bistatic configuration and compare the results with TSM1.

Citation Download Citation

Naheed Sajjad, Ali Khenchaf, and Sajjad Ali Mushtaq "Grazing angle scattering of electromagnetic waves based on an improved two-scale model," Journal of Applied Remote Sensing 7(1), 073571 (3 May 2013). https://doi.org/10.1117/1.JRS.7.073571

Published: 3 May 2013

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available