822 



target power ratio, 171-172 



target radar characteristics, 208-210 



target range, 6 



target reflection, phase changes and, 21 



target resolution requirements, AEW, 

 75-79 



target spectra, pulsed-doppler system, 

 322 



target tracking, accuracy of, 88; detec- 

 tion of, 79; infrared system and, 344- 

 346; vertical beamwidth and, 91-92; 

 see also tracking 



target velocity, 85-89; relative, 7-8 



Teflon, 565 



temperature, mechanical design and, 

 683-691 



temperature control, 687-688 



Terman, F. E., 182 n. 



terrain avoidance, 764; in display svs- 

 tem design, 673-674 



terrain bias error, 746-747 



Theissing, H. H., 229 n. 



thermal noise, 140, 353, 373; folding 

 and, 324 



thin phosphor films, 659-661 



Thompson, B. J., 368 



threat evaluation, height finding and, 

 93-94 



thunderstorms, 762-763 



time delay errors, 65-66, 80-83 



time-dependent operations, 253-258 



time discriminator, 500 



time domain effects, 377 



time modulation, 500 



time response system, 41 



Titus, J. W., 679 n. 



Tolbert, C. W., 229 n. 



Tompkins, R. D., 550 n. 



total reflection, 541 



Townes, C. H., 574 



tracking, automatic, see automatic 

 tracking; defined, 513; by radar sys- 

 tem, 6-9; see also target tracking 



tracking error, guidance considerations 

 and, 135-137 



tracking noise, 396-397 



tracking phase, in interception, 101 



tracking stabilization, 432-433, 452-453 



tracking system, human operator and, 

 649-650 



track-while-scan operation, 513 



"trade off," between system parameters. 



INDEX 



"trade-off," {Cont.) 

 62,61 



train angle, see look angle 



transconductance, 428 



transducers, display devices as, 608; 

 electrical-to-light, 627-634 



transfer function, 23, 241, 363; AGC 

 loop design and, 423-426; airborne 

 radar range and, 509-510; aircraft, 

 438; angle tracking and, 483-484; 

 energy and power, 242 



transmission frequency, ground map- 

 ping and, 779 



transmission line, anisotropic, 560; an- 

 tennas and, 535-540; for broadband 

 systems, 544; strip lines as, 540; types 

 of, 536-540 



transmission periodicity, 296 



transmission shaping unit, 501 



transmit-receive tubes, 331 



transmitted-waveform storage, 310 



transmitter power, air-weather radars, 

 767-768 



transmitter stability, problems of, 331 



TR-ATR duplexing, 753 



traveling wave tube (TWT), 356, 597- 

 599 



trees, ground return from, 221 



trimode turnstile junction, 550 



TR tube, duplexing and, 568 



true air speed system, 727 



Truxal, J. G., 502 n., 504 n. 



tube size, in display system design, 633- 

 634 



tuning characteristics, 350 



tuning control, 394 



tuning errors, 409, 414; accuracy re- 

 quirements and, 405-407 



turboprop propulsion system, 56 



turnstile waveguide junction, 550 



two-color tubes, in display systems, 665 



Typotron tube, 671 



Tyrell, W. A., 549 n. 



Uhlenbeck, G. F., 147 n., 193 n., 238 n., 

 361 n., 376 n. 



vacuum tubes, cuttofF bias in, 428; life 



expectancy of, 684 

 Van Vleck, J. H., 228-229, 273 n., 646- 



664 

 veccoring display, 651-654 



