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Radar System Engineering

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Index<br />

A<br />

Absorbent materials, 69<br />

Absorber, of second kind, 69<br />

Absorbing material, bandwidth of, 71<br />

Absorption, atmospheric, effect of, 112<br />

of microwaves, in oxygen, 59<br />

in water vapor, 59<br />

AFC, 453-457<br />

beacon, 456<br />

radar, 454-456<br />

AI, 200<br />

AI Mark IV, 201<br />

AIA, 203<br />

Air control, high-performance radar for,<br />

592-611<br />

Air surveillance, high-performance radar<br />

for, 592–61 1<br />

Aircraft electrical systems, 555<br />

Aircraft interception (se. AI)<br />

Aircraft Radio Laboratory, 15<br />

Airways, 574<br />

Alternator, airborne, direct-driven, 557-<br />

561<br />

wave shape of, 557<br />

aircraft, alternatives to direct-driven,<br />

56JI<br />

inductor, performance of, 557<br />

voltage regulators for (see Voltage<br />

regulators)<br />

(See also Motor-alternator)<br />

Altimeter, radio, 143-147<br />

Altitude signal, 88<br />

Alvarez, L. W., 291<br />

A. M. E. S., Type 7, 186<br />

Type 13, 190<br />

Amplified back-bias, 459<br />

Amplifier, gated, 50s510<br />

i-f, 8<br />

design of, 442-449<br />

double-tuned, 446<br />

single-tuned, 445<br />

737<br />

Amplifier, negative feedback, 492<br />

phase-splitting, 495<br />

squaring, 497<br />

two-channel, for MTI, 672–675<br />

video, 8, 45&453<br />

cutoff frequency of, 451<br />

rise time of, 450<br />

Amplitude factor, 557<br />

Amplitude modulation (see Modulation,<br />

amplitude)<br />

AN/APA-15, 306<br />

AN/APG-1, 202<br />

AN/APG-2, 202<br />

AN/APG-15, 206<br />

AN/APQ-7 scanner, 291-295<br />

AN/APs-3, 199<br />

AN/APs-4, 199<br />

AN/APs-6, 203<br />

spiral scanner, 290<br />

AN/AP&lO, detailed design of, 61&<br />

625<br />

detailed specifications of, 619<br />

general design of, 614<br />

performance of, 622<br />

scanner, 288<br />

units of, 618<br />

AN/APs-15, 199<br />

Angle indices, 514-518<br />

fixed electronic, 514<br />

movable electronic, 516<br />

AN/MPN-l (see GCA)<br />

Antenna, beamwidth of (see Beamwidth)<br />

cosecant-squared, 23-27<br />

end-fire, 277<br />

gain of (see Gain, of antenna)<br />

mechanical construction of, 279-280<br />

nonscanning, 277–279<br />

paraboloid, 272–274<br />

polyrod, 278<br />

for radar relay, 713-719<br />

receiving cross section of (nee Cross<br />

section, effective receiving)

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