816 



Naval Research Laboratory, (ConL) 

 400 n., 749 



navigation, airborne, see airborne navi- 

 gation; doppler, see doppler naviga- 

 tion system; radar systems and, 11- 

 12; self-contained, 726-727 



navigation computer, 744-746 



network function, 363 



network weighting function, 241 



Neumann, G., 225 n. 



Neyman, J., 308 n. 



Nicoll, F. H., 668 n. 



nodding, 92 



noise, amplitude, angle and range, 198- 

 208; in magnetrons, 588; mathemati- 

 cal, 245 jf.; microwave sources, 553- 

 554; narrow-band, 258-264; receiver, 

 353-355; "white," 244 



noise analysis, 238-291 



noise equivalent power, infrared detec- 

 tion, 796 



noise figure, radar receivers, 353-355, 

 390-391 



noise inputs, automatic tracking, 478- 

 479; external and internal, 395-401 



noise power, 140, 278 



noise processes, 246; see also Gaussian 

 noise processes; signal-to-noise ratio 



noncoherent detector, 298 



nonequilibrium writing, 657 



non-Janus system, 731, 739-741 



nonlinear impedance, 23-24 



nonlinear operations, 253-258 



North, D. O., 273 n. 



notch networks, 451 n. 



nuclear radiation, mechanical design 

 and, 692 



nuclear weapons, 56 



null point, 301, 426 



Oliver, B. M., 419 n. 



O'Neal, N. v., 198 n. 



open center PPI, 617 



operating frequency, airborne radar sys- 

 tem design and, 28; range of, 26-27 



operational requirement, 49; airborne 

 radar design and, 31-32; mission ac- 

 complishment and, 33, 57 



operator factor, 147-148; see also human 

 operator 



oscillation, in magnetrons, 585-590 



oscillator, local, see local oscillator 



INDEX 



outputs, vs. inputs, 40-41 

 overshoot, allowable, 411, 485 

 oxygen, attenuation due to, 228 

 oxygen deprivation, effect on human 

 operator, 645-647 



packaging, mechanical design and, 679- 

 723 



Page, R. M., 292 n., 398 n. 



"painting," see scanning 



Palmer scan, 160 



Pappas, N. L., 545 n. 



parabolic reflectors, antennas and, 169; 

 properties of, 516 



paraboloidal antenna, 515-518 



paramagnetic amplifiers, 575 



parameters, choice of, 11, 28-29, 50; 

 guided missile launching zone, 118- 

 120; IF preamplifier design, 371-372; 

 infrared mapping systems, 343-344, 

 791-793, 795; radar range require- 

 ments, 138-141; radar target, 319; in 

 signal/noise analysis, 279-280; sum- 

 mary of, 97-100; target, 281 /.; 

 "trade-oflF" between, 62, 67; of vector- 

 ing system, 106-108 



parametric amplifiers, 356, 576 



Parseval's equality, 240, 250 



Parsons, D. A., 231, 761 n. 



Passerini, H. J., 192 n. 



passive systems, vs. active, 2, 13; 

 defined, 293 



Pearson, E. S., 308 n. 



pedestal amplitude, detectabilitv and, 

 645 



pedestal amplitude voltage, 643 



pencil-beam antenna, 185, 515 



periodic functions, Fourier series and, 

 239 



permeability, ferrite devices, 557-565 



Peterson, W. W., 308 n. 



phase modulation, 20 



phase shifters, 555-556, 562-563 



phase shifts, 424 



phasors, 175, 179 



phosphor, photoluminescent, 665-666 



phosphor films, transparent, 659-661 



photographs, aerial, 10 



physical environment, 35; see also 

 environment; environmental 



Pierson, W. J., Jr., 235 n. 



Pisa indicator, 304 



