| INPUT DATA | 
SIMPLE LEAST 
SQUARES INTERPOLATION 
T 
SEARCII FOR. OPTIMUM 
SPACING 
FALSE TRUE REJECTION 
OF OUTLIERS 
FINITE ELEMENTS EMPIRICAL ESTIMATION OF 
INTERPOLATION COVARIANCE - AND 
CROSS-COVARIANCE FUNCTIONS 
A 
! 
FALSE NON-STATIONARY TRUE 
| COVARIANCE = 
IST STEP ONLY SEARCH FOR BEST 
MODEL FUNCTION 
EN 
  
  
  
  
À 
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
   
   
  
  
  
  
  
   
      
  
    
   
COMPUTATIONAL 
PROBLEMS IN THE 
FILTERING 
AFTER THE IST STEP 
FILTERING 
FALSE SMALL OUTLIERS TRUE 
PRESENT | À 
OUTLIERS 
RANDOM LOCATED 
COLOURED 
RESIDUAL NOISE 
PREDICTION ON 
CHECK POINTS AND/OR 
A REGULAR GRID 
OUTPUT DATA | 
PLOT : 
- ONE DIM. CONTOUR LINES 
- MULTI DIM. SUITABLE 
REPRESENTAT IONS 
  
   
  
  
  
REJECTION 
OF OUILIERS 
  
SEARCH FOR 
BREAK LINES 
START NEW STEP 
OF COLLOCATION 
  
  
  
  
  
  
  
y 
  
  
  
  
  
  
  
  
  
  
  
  
Fig. 1.1 - Flow chart of the system of programs MODEL 
48