c 
e 
8 | sw ==" a 25-7 mer 
= NW = = nm = > - - 
5 N= 
o 1 ————— — M 
2 TSE 
S wl "a ^p —_ 
SW | 
S + 
  
  
  
  
15 17 19 21 23 1 3 5 7 9 
Jan. 5,1995 Jan. 6,1995 Time 
Observed data by Preprocessing by Preprocessing by Preprocessing by 
in-situ data Hanning Moving Average & Weighted Average 
Hanning & Hanning 
Fig. 10 The result of comparison between wave direction by marin radar and the in situ data 
  
  
  
3 
T > 
ul or SETS lu 
[ m 
É E A T v r 
Bar Sf 
E el 
at 
>} 
0 rs 
15 17 19 21 25 1 3 3 7 9 
Jan.5,1995 Jan. 6,1995 Time 
Observed data by Preprocessing by Preprocessing by Preprocessing by 
in-situ data Hanning Moving Average & Weighted Average 
Hanning & Hanning 
Fig. 11 The result of comparison between wave frequency by marine radar and in situ data 
2) F.Ziemer: Directional Spectra from Shipbord 
5. CONCLUSIONS Navigation Radar during LEWEL, 
DIRECTIONAL OCEAN WAVE SPECTRA, 
The marine radar is effective for observing wave pp.80-84,1989. 
direction and the accuracy is good for operational 3) M.D.Henschel, R.A.Paul, and B. M. Eid: 
use. Another wave parameter such as wave Use of Satellite Synthetic Aperture Radar for 
frequency and wave height must be checked by Operational Measurement of Ocean Wave 
further study. Spectra, Proc. ERIM Second Themantic 
Conference: Remote Sensing for Marine and 
References Coastal Environments, New Orleans, LA, 
1) F.Ziemer, and W.Rosenthal : On the Transfer 
Function of Shipbone Radar for Imaging 
Ocean Waves, Proc. IGARSS'87, Ann Arbor, 
Michigan, pp.1559-1564, 1987. 
Vol. 1, PP.1-269 - 1-273,1994. 
4 Shintaro Goto, and Kiyonori lisawa: Study on 
the Monitoring of 2-D Wave Parameter Using 
Simulated Image of Marine Radar, Journal of 
Photogrammetry and Remote Sensing, 
256 
International Archives of Photogrammetry and Remote Sensing. Vol. XXXI, Part B7. Vienna 1996