9-7] 



ANGLE TRACKING LOOP RATE ERRORS 



Fig. 9-5 Antenna Rate Error Calculations. 



487 



RATE ERROR COMPONENTS 



Random error components are independent. Therefore assume total random 

 error; cr^^ = eg^ -\- e^ -{- Cj^ Specified ot ^ 0.105°/sec/channel 



/= 20 



coc = 6.28 rad/sec 

 k = 3.0 

 r = LO 

 L = 30 yd 

 cof = 2 rad/sec 

 (Tt < 0.1057sec 



CALCULATIONS 



Assumed Values 



^ = LOS 7sec 

 ^ = 0.13 7sec2 

 d = 0.0246 7sec3 



R = 5500 yd 



K = 0.01 



course conditions 

 of Fig. 2-44. 

 Time to go: 10 sec 



unknown, to be determined 



