-2] EXTERNAL, INTERNAL NOISE INPUTS TO RADAR SYSTEM 399 



g- 3 



(a) Three Views of a 

 Single SNB Aircraft 



2 3 4 5 6 7 

 FREQUENCY (cps) 



8 9 10 



(b) Two SNB Aircraft 

 in Formation 



2 3 4 5 6 7 

 FREQUENCY (cps) 



14 



s;i2 



^5lO 



1^ 

 uj 4 

 CO 



(c) Three Views of a 

 Single PB4Y Aircraft 



1 



234 56789 10 

 FREQUEN^"' (cps) 



Fig. 8-2 Range Noise Power Spectral Distributions. 



10 100 



RELATIVE RANGE 



1000 



Fig. 8-3 Angle Noise Dispersion Factors. 



