###
Monte Carlo Simulation of Random Rough Surface Scattering

#### Gaussian Surface with Ocean Spectrum

Reference: Chapter 4
of *Scattering of
Electromagnetic Waves: Numerical Simulations*

Home |Download

#### Program

rs1do.m
calculates scalar wave scattering by a one-dimensional Gaussian random rough
surface with bandlimitedocean spectrum and Dirichlet boundary condition. The
surface integral equation is solved numerically using the Method of Moments
(MoM). Bistatic scattering coefficients are computed.

**[tsd,sig]=rs1do(wave,nr,N,rL,kl,ku,us,g,tid,nsa,seed)**
**wave**:
wavelength
**nr**:
total number of surface realizations
**N**:
total number of sample points
**rL**:
rough surface length
**kl**:
lower wavenumber cutoff
**ku**:
upper wavenumber cutoff
**us**:
wind friction velocity
**g**:
tapering parameter for incident wave
**tid**:
incident angle in degree
**nsa**:
number of scattered angles from -90 deg to 90 deg
**seed**:
seed for random number generator
**tsd**:
scattering angles in degree
**sig**:
bistatic scattering coef (MoM)
- Requires rsgeno.m
for generation of Gaussian rough surfaces with ocean spectrum

####
Example: wave=1.579 cm (freq=19 GHz), nr=100, N=256, rL=25.6*wave, kl=100
(1/m), us=0.437198 m/sku=4000 (1/m), g=rL/4, tid=50, nsa=179, seed=112233

Home | Top