INDEX 



pitch, roll and yaw, 434, 797 



plan position indicator (PPI), 216-217, 

 616-617, 673, 771 



platinotron, 603-606 



polarization, circular, 554-556; in dop- 

 pler navigation systems, 738-739; 

 effect of on reflection, 179-180; 

 ground mapping and, 779; ground 

 reflection and, 182; sea return and, 

 212 



polarization dependence, 187 



position data, scan-to-scan correction of, 

 88 



position error, 87; sec also error 



Post, E. A., 763 n. 



postdetection filtering, 167-168 



postdetection integration, 309 



Potter, R. S., 550 n. 



Pound, R. v., 550 n. 



Povejsil, D. J., 292 n. 



power, noise and, 247, 259, 278 



power density, 289; transmitter and 

 receiver, 138-139 



power density spectrum, 248-253, 263 



power divider, 548 



power envelope, 170 



power transfer function, 144, 242 



PPI indicator, air-weather radar sys- 

 tems, 771 



PPI presentation, 673 



PPI range and bearing, 216-217 



preamplifier, cascode, 797; IF, see IF 

 preamplifier 



precipitation, attenuation and back- 

 scattering by, 230-231, 760-761, 767 



predetection amplifier, 143 



predetection doppler filter, 167 



predetection filter, 145 



prediction, in guidance system, 110; 

 see also target position 



pressure, mechanical design and, 711- 

 712 



preventive maintenance, 712 



Pritchard, W. L., 544 n. 



probability curves, 75 



probability density functions, 146-147, 

 155, 245, 253, 261-262 



probability detection, see detection 

 probability 



probability distribution, 39-43 



probability of kill, see kill probability 



procurement agencies, 3 



817 



product building blocks, 23 



product demodulator, 256 



product rule prediction, 720 



propagation anomalies, 36 



propagation factor, 175; oscillation of, 

 188 



propellant gases, attenuation by, 231- 

 233 



propeller modulation, 192, 200-202 



pull-in, 403, 409-410 



pulsed doppler systems, 293, 309, 317, 

 320-333; applications of, 332-333; 

 design problems of, 331; detection 

 probability in, 162-168; eclipsing in, 

 328-329; filtering systems in, 331; 

 range gating in, 325-327; range per- 

 formance of, 327; range measurements 

 in, 329-331; see also doppler (adj.) 



pulse integrator, 143, 277-278, 376 



pulse length, 80-81, 151, 333, 411, 768 



pulse modulation, 18, 293; clutter prob- 

 lem and, 224; detection probability 

 calculation in, 141-156; duplexing in, 

 567; ground return in, 219-220; scan- 

 ning and, 161-162; see also pulsed 

 doppler systems 



pulse packet size, resolution and, 784 



pulse radar spectrum, 336 



pulse repetition frequency (PRF), 18, 

 296, 323, 326-327, 330, 371, 617, 754; 

 brightness and, 632-633 



pulse stretchers, 257, 265-266, 268, 387- 

 388 



pulse-time modulation, 20; see also 

 pulse modulation 



pulse trains, 19, 21, 277-278 



pulse-width modulation, 20 



Pyroceram materials, 566 



quantization errors, 82, 95 

 quarter-wave plates, 554 

 quarter-wave transformer, 542 



radar, basic capabilities of, 10; charac- 

 teristics of, 4; derivation of word, 2; 

 dynamics of, 2; frequencies used in, 

 174; height-finding in, see height- 

 finding; interceptor-borne, 14; main- 

 tenance and repair, 712-714; matched 

 filter, 272-281; as part of balanced 

 system, 2; state-of-the-art, 27, 49, 69; 

 transportation and supply, 714; two- 



