812 



frequency modulation, {Cont.) 



systems 

 frequency-performance parameters, 28 

 frequency search and acquisition, 416 

 frequency shift, 22; see also doppler shift 

 frequency spectrum, 18 

 frequency tracker, 730, 742-743 

 Fresnel integrals, 178 

 Fried, W. R., 725 n. 

 "friendly" aircraft, IFF and, 5 

 Fris, H. T., 514 n. 

 fungus damage, 710 



gain bandwidth product, 365 



gain variation and setting, 375 



Gardner, M. F., 242 n. 



Gardner, R. E., 643 n. 



gases, atmospheric, 175 



gas tube duplexer, 567-570 



gating, range, see range gating 



gating circuits, radar receiver, 386-387 



Gaussian noise process, 246, 253, 309; 

 see also noise 



George, S. F., 292 n., 502 n. 



Gerwin, H. L., 198 n., 398 n. 



ghosts, pulse repetition frequency and, 

 330-331 



gimbal angle, maximum, 104, 112-113 



gimbal system, angle tracking and, 480 



glint noise inputs, 478-479; see also angle 

 noise 



Goetz, M., 679 n. 



Goldberg, H. B., 62 n., 550 n., 734 n. 



Goldstein, H., 211 n. 



Gould, Lawrence, 545 n. 



Gow, J., 663-664 



Graham, R. E., 503 n. 



Grant, C. R., 215 n., 216, 222 



grass and weeds, 221 



Greenberg, Harold, 41 n., 80 n. 



gross aspect variation, 195 



ground, as pure dielectric, 183; reflection 

 coefficient for, 186; scattering co- 

 efficients for, 747 



ground-based radar system, 3 



ground clutter, 35, 181, 219, 317; can- 

 cellation of, 270 



ground mapping, 219, 764; angular 

 resolution and, 168 



ground-mapping display, 628 



ground mapping system, active airborne 

 systems and, 772-787; basic principles, 



INDEX 



ground mapping system, {Cont.) 



112-11A\ characteristics and com- 

 ponents of, 778-782; design considera- 

 tions and, llA-11%; future of, 787; 

 new developments in, 801-802; radar 

 range equation in, 782-784; receivers 

 for, 781; resolution limits in, 784-787; 

 see also infrared reconnaissance 



ground return, 175, 181-190, 219-222; 

 antennas and, 523; vertical beam- 

 width and, 92 



ground return systems, 725-802 



ground speed, doppler navigation sys- 

 tem, 743-744 



guidance phase, in interception, 101 



guidance systems, AI radar require- 

 ments and, 135-137; semiactive, see 

 semiactive guidance systems 



guided missile launching zone param- 

 eters, 118-120 



guided missile systems, semiactive sys- 

 tems and, 14 



Guillemin, E. A., 502 n. 



Gunn, K. L. S., 230 n. 



gust disturbance, 438 



gyration, radius of, 284-285 



gyrator, microwave, 559 



gyromagnetic resonance, 558 



gyroscopes, hermetic integrating, 456; 

 mounting of, 469; rate, see rate gyro 



Haddock, F. T., 231 



hail, avoidance of, 763 



halation, 629 



half-wave plates, 555 



Hall, W. M., 148 n. 



Hansen, W. W., 273 n. 



Harman, J. C, 182 n. 



harmonic generation, 524 



Harrison, H. T., 763 n. 



Hartree voltage, 585 



Hastings, A. E., 198 n., 398 n. 



haze, 10 



heading, measurement of, 99 



heading commands, in display system 



design, 651-653 

 heading error, 108-111, 132; see also 



error; steering error 

 heading reference, doppler navigation 



systems, 746 

 head-on attacks, accuracy requirements 



for, 125-128 



