+:
—
Z(X) Fw)
Sampling interval = 1
(a)
6
5
4
3
d
À |
ll I rre ‘ i
21/5 T/2 Lu
TERRAIN PROFILE SPECTRUM
ZX) : Fu) (b)
Sampling interval = 3
who w dh on
21/5 TA NP
TERRRIN PROFILE SPECTRUM
Z0 FG)
Sanpling interval = 5
TAo 1/5
TERRRIN PROFILE SPECTRUM
y49.9 Fu)
Sampling interval s 7
A m wd o0
ANDAMAN
X
TA
TERRAIN PROFILE SPECTRUM
Fig.(1) Spectra at different sampling densities.
- 310 -
(a)
w