496 
4. RESULTS 
SEASAT SAR data of Barcelona in Spain (90km in azimuth x 100km in range) 
was processed by the system shown in Fig.l. The image is also shown in Fig.6. 
The processing time is summarized in Table 1. STEPl was performed in 9.86 
minutes by FEP. STEP2 was performed in 8.55 minutes by BEP. STEP3 was 
performed in 1.77 minutes by FEP. t took 20.18 minutes to reconstruct SAR 
image from SAR raw data. 
TABLE 1 PROCESSING TIME (90km x 100km SCENE ) 
  
  
  
  
| 
4 
I 
a 
T 
1 
| 
I 
| 
T 
| 
| 
i 
I 
} 
| 
i 
t 
  
  
  
  
  
  
  
CPU TIME I /0 TIME THROUGHPUT TIME 
STEP 4.19 MIN 5.67 MIN 9.8 6 MIN 
STEP? 5.65 MIN 2.89 MIN 8.55 MIN 
STEP 3 0.07 MIN 1.70 MIN 177 MIN 
| TOTAL 9.92 MIN 10.26 MIN 20.18 MIN 
| 
THROUGHPUT TIME PER SCENE 8.55 MIN 
|