INDEX 



Healy, D. J., Ill, 394 n. 



heat exchanger, air-to-air, 711 



heat-flow calculations, 689-691 



heat sinks, 687 



height-finding radar, 70-71; factors af- 

 fecting, 92-96, 181 



Helmholz, Robert H., 41 n., 62 n.. 80 n., 

 734 n. 



heterodyne receivers, 511 



heterodyning, types of, 25 



high-resolution radar systems, 293, 333- 

 338 



Hippel, A. R. von, 565 n. 



histogram, flight test, 755 



Hoel, P. G., 147 n. 



Hogan, C. L., 558-559 n. 



hold-in, 409, 411 



homing system, 13 



Hopkins, L., 292 n. 



"hot" targets, infrared sensing of, 790- 

 791 



Howard, D. D., 198 n., 394 n., 395 n., 

 398 n., 400 n., 422 n., 479 n. 



Huggins, W. H., 363 n. 



Hull, J. F., 565 n. 



human eye, characteristics of, 635-644 



human operator, in display system de- 

 sign, 634-651; environment eflPect on, 

 644-645; reaction time of, 648-649; 

 role of, 147-148, 607 



hybrid junction, 548-550 



iconic model, 37-38 



identification friend or foe (IFF), 4-6 



IF admittance, 361 



IF amplifier, automatic gain control 



and, 417; control characteristics, 427- 



429; design considerations, 363-368; 



gating of, in pulsed doppler systems, 



326; mixer and, 550-551 

 IF bandwidth, 351-352, 406 

 IF characteristics, dynamic error and, 



414 

 IF discriminator, 409-410 

 IF envelope detection, 374, 379 

 IFF information, displays and, 619; see 



also identification friend or foe 

 IF Janus receiver, 742-743 

 IF noise figure, 356 

 IF preamplifier design, 368-373 

 IF signal, error signal and, 265 

 Illinois, University of, 218 



813 



illumination, radar systems and, 13-15 



illumination eflFectiveness, 514 



image frequency, 359-360 



image intensifiers, 667-668 



impedance, nonlinear, 23-24 



impedance matching, 540-543 



impulse functions, 243-245 



impulse response, 241 



indicator brightness, 629-631 



information, "chunks" of, 620; spurious, 

 5; types of, 294-295 



information handling capacity, AEW 

 system, 84-85 



information relay, radar systems and, 15 



information subcarriers, 20-21 



information utilization, 300 



infrared detection, evaluation of, 798; 

 sensitivity of, 796 



infrared reconnaissance (IR), 11, 787- 

 802; airborne radars, 338-346; basic 

 principles of, 339-343; 788-791; sys- 

 tem features, 791-801 



input information, 619-621 



inputs, vs. outputs, 40-41 



input variables, 43 



insertion losses, 331 



installation, maintenance and, 712-714 



installation environment, 3 



instantaneous field of view, 788 



instantaneous frequency, 415 



integrating gyro, 455-457, 466, 469 



intensity, defined, 635 



intensity-modulated displays, 615-618, 

 633 



interception, three phases of, 101 



interceptor aircraft system (AI), 1, 14, 

 50, 53-54; see also airborne intercept 

 radar 



interceptor-bomber duel, 44 



interceptor kill probability, see kill 

 probability 



interceptors, back-up, 66; number of, 63, 

 68, 72, 80; time delay in launching, 66 



interceptor system, air-to-air, 41-43; 

 beamwidth and, 90; interrelated char- 

 acteristics of AEW/CIC system and, 

 79; reliability of, 103-104; study 

 model of, 100-103 



interceptor velocity, 65 



interference, direct and reflected, 187; 

 filter-mixer combination, 362 



internal noise inputs, 396; see also noise 



