INDEX 



vectoring errors, 108-111 



vectoring guidance, 65-66, 11-12; air- 

 craft interceptor considerations and, 

 111-116; analysis of, 106-111; height- 

 finding and, 94-95; in interception, 

 101 



vectoring probability, 104-106 



vectoring system information, 70-71, 

 106 



vector transfer function, 23 



velocity discrimination, 10; see also 

 doppler effect 



velocity estimates, 85 



velocity modulation, 591 



velocity sensor, 726 



velocity spectrum, 218 



vertical beamwidth, see beamwidth, 

 vertical 



vibration, defined, 695; environmental, 

 701-702; shock and, 694-704 



video, artificial, 621 



video bandwidth, vs. IF bandwidth, 406 



video integrator, delay-line, 309 



video pulses, IF discriminator and, 410 



video signals, in display system design, 

 619-621; noise and, 260, 263, 265-266, 

 271, 286-287; see also signal-to-noise 

 ratio 



video voltage, representation of, 145 



viewing probability, 104-106; look angle 

 and, 114 



visual acuity, defined, 635; require- 

 ments for, 636-637 



visual angle, defined, 635 



voltage envelope, 170-171 



voltage pulse train, 286 



voltage standing wave ratio (VSWR), 

 541, 546-547 



voltage-to-brightness transfer function, 

 618 



water, dielectric properties of, 182-183; 



scattering coefficients for, 747 

 water bias error, 748-749 

 water drops, attenuation by, 175 

 water motion errors, doppler navigation 



system and, 748-749 

 water vapor, attenuation due to, 229; 



ground return and, 222 

 Watkins, P. L., 192 n. 

 waveguides, 473; circular and square, 



539-540; directional couplers, 548; 



823 



waveguides, {Cont.) 



hybrid junctions, 548-550; pressur- 

 ized, 545-546; rectangular, 537-539; 

 ridge, 539; rotary joints for, 546-547; 

 slotted, 524 



waves, standing, see standing waves 



weapons system analysis, master plan 

 for, 48 



weapons system models, 36-39; con- 

 struction and manipulation of, 41-44; 

 parameters of, 43, 60-61; statistical 

 character of, 39-41 



weapons system requirements, develop- 

 ment of, 46-137 



weapons systems, active and passive 

 types, 2; airborne radar and, 27-35; 

 defined, 41; integration environment 

 of, 36; suboptimization of, 43-44; 

 system concept and, Sl-Gl 



weather radar, 759-760; design features 

 and variables in, 764, 766-772; iso- 

 echo contour circuitry in, 769-770 

 peak transmitter power and, 767-768 

 radar range equations and, 764-766 

 see also air-weather radar systems 



weeds and grass, reflections from, 221 



Weiderborn, N. M., 533 n. 



Weidner, R. T., 544 n. 



Weiner, N., 273 n., 471 n. 



Weiss, Max T., 558 n. 



Wheeler, H. A., 546 n. 



Wheeler, M. S., 511, 531 n. 



White, C. F., 394 n., 426 n., 471 n.. 

 505 n. 



"white noise," 244 



white random motion spectrum, 697 



wide bandwidth coherent systems, 336- 

 338 



Williams, C. S., Jr., 224 n. 



Wiltse, J. C, 216 n. 



windshield displays, 674-675 



Woodward, P. M., 238 n. 



Wright Air Development Center, Day- 

 ton, Ohio, 755 



X band, 779; see also transmission fre- 

 quency 



Yaplee, B. S., 215 n., 216, 222 



Yates, H., 292 n. 



yaw, pitch and roll, 434, 797 



Zener diodes, 497 



