= S (Average error :37.6[deg]) 
Sg The 
o struc 
(a) BN dire 
= Dre Onl Cane nS on Jo nS Tn of o © «v S Aap o esti 
NO 939 AAO AO AN CP GNI uoa uad Ene E opti 
9.9 9 868 Sia 48. 8 Tas ec oRO--oGOG'- MZ 
"e um Va oN | oN | N C41 C € C1 oN CN C1 C1 C C C1 C Fig ( 
% Observation time wav 
25 (Average error : 1. 1 [m/s]) 2-D 
© 20 met 
& 15 ; moc 
m 10 SS TT VERE UT RNS TRS A rest 
o 
(b) as Fror 
o 0 spe 
5S 95855282 SES ST ER ESS exp 
2 +8 (8 8G SSE NF S| 8 8B 8 8 83 5 & time 
3 j Wave speed by Spatial Local Optimization : 
Observation time ~~ Wave speed by Observational data circ 
Fig.9 Result of time series of wave direction and wave speed by SLO poir 
erro 
Radar i nase of 9,Jan, 1906 20: 15 bris: 
me Al so gt Fig 
w ; " I | y < E. 2 way 
BU as ^| I M SN 2 + 
i. AN A. z for « 
À / ASS = a j = 
(a) k ENG Bac? 2 
oc] e pam J 
. us HN SAN v S m C 
ax ail FANNY x Wave direction = Save speed mn see 6. 
= à The 
Radar i image of 9,Jan,1996 20: 16_ and 
; = Wa\ 
. a at Nw // ^W li MA = s rad 
& 40 z d 
E 2: Wa 
(b) b Y ET T det 
= N M S" x^ reg 
N 2.00 i Sn 
" di A W | : 2 ? n w N E = pom Lar = 
a Wave direction * T ; E NEN m 
* SZ V a Wave speed [nvs] 
i DI 
Redan image of, Jan,1996 20: Mo 
50 ar 
[Eo Ès | 
: zu S i i | 
3 9 s w E N E 3 Va oe cx m ke j 
a e M NM E 
a. 
(d) 
  
  
  
  
  
  
  
= = : 
Probability of direction [96] 
  
  
  
EH Primary image 
Hm Secondary image (2.5sec after Primary image) 
Wave direction 
  
  
  
Jill. 
  
  
Ss 
w N 
Wave direction 
  
vw Wave direction by Radar 
a 5 
=>, 
ON 2 = 
B. 0-39 
> 
| 
  
Probability of Wave speed [96] 
Wave speed [m/s] 
Wave speed [m/s] 
vene Wave speed by 
Solitary wave theory 
= Wave direction by 
Observational data 
Fig.10 2-D field of wave direction and wave speed by SLO 
702