25 
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
t Change 
n Use of ^ Change in Aver. RMSE in Disc. 
taneous | Procedure 
ution | LA dB 1B: 1C JA + 1C 
m 
Z | rs n, "XY oy m. 
"36 | Sequential -46 -58 -16 -29 -55 -67 
"ie Simultaneous -36 -54 -29 -49 -38 -69 
-32 ; 
(a) Random Perturbations 
-20 
-51 : XY Z XY Z XY Z 
A Increases 
42 Control 100 83 117 73 335 216 
Points A + B Br C dA x C 
(b) Increase in Control Points 
han | : 'l Procedure ^ Change in Aver. RMSE in Disc. 
RMSE 2A (7 .2B 2B. 3. 20 2A c 20€ 
h Use of | s 
taneous 1 | ‘ ; yy : m, Hey m, Moe m. 
ution - . 3 
= Sequential -. -58 -57 -17 -30 -72 -70 
Z 
57: Simultaneous -27 -58 -59 -49 -70 -78 
-54 | (c) Random - Sys. Perturbations 
il b. | TABLE 12 
17 EFFECTS OF INCREASE DENSITY OF CONTROL POINTS 
-25 
-20 
  
  
  
  
rd