12.02.2014 Views

Radar System Engineering

Radar System Engineering

Radar System Engineering

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

740 RADAR SYSTEM ENGINEERING<br />

D<br />

Dark-trace screens, 483<br />

Dark-trace tube, 22o<br />

Data stabilization, 311–312<br />

Data tramsmiesion, 283<br />

potentiometers for, 487<br />

variable condensers for, 489<br />

variable transformers for, 487<br />

autosyns, 487<br />

resolvers, 487<br />

selsyns, 487<br />

synchros, 487<br />

Data transmitter, angle, 48&492<br />

D-creetorer, 503<br />

Deck-tilt error (see Error, deck-tilt)<br />

Decoder, triple-pulse, 687<br />

Delay line, characteristic impedance of,<br />

671<br />

folded mercury, 668<br />

fused quartz, 669<br />

laboratory type of, 633<br />

liquid, 667-669<br />

mercury, design constants for, 670<br />

supersonic, 667–672<br />

Delay-line attenuation, 670<br />

Delay-line circuits, 634<br />

Delay-line driving circuits, 672<br />

Delay-line end cells, 669<br />

Delay-line signal circuits, 672-675<br />

Delay-line trigger circuits, 67$677<br />

degenerative, 675<br />

regenerative, 676<br />

Delay tank, liquid, 669<br />

Detection, aural, 134<br />

Detector, balanced, for MTI, 666<br />

second, 449<br />

Dicke, R. H.,32<br />

Diffraction cr08s8ecti0n, 69<br />

DMraction phenomena at medium wavelength,<br />

715<br />

Diode, biased, 504<br />

charging, 383<br />

Diode limiters, 504<br />

Display, double-dot, 174<br />

one-dimensional, 164–167<br />

three-dimensional, 174175<br />

two-dimensional, 167–174<br />

pip-matching, 167<br />

sector, 168<br />

(See abo<br />

Indicator)<br />

Doppler effect, 125, 629<br />

Doppler frequency, 128<br />

Doppler system, bandwidth of, 135<br />

pulsed, 630<br />

pulse-modulated, 150-157<br />

range-measuring, 139-143<br />

simple, 132–139<br />

Double-dot display (see Display, doubledot)<br />

Double-tuned circuit, 446<br />

DuBridge, L. A., 16<br />

Duct, 56-58<br />

Dueppel, 82<br />

Duplexing, 407411<br />

Dynamotors, 57%581<br />

booster armature voltage regulation of,<br />

560<br />

dual-output, 579<br />

triple-output, 579<br />

Eagle (see AN/APQ-7 scanner)<br />

Eccles, W. H., 497<br />

lIkcles-Jordan circuit, 497<br />

Echo, from rain, 81<br />

fluctuations of, 83<br />

reduction of, 84<br />

E<br />

second time around, 117<br />

from storm, 81<br />

Eclipse, 559, 574<br />

Effective height, of ship target, 80<br />

Eicor Inc., 579<br />

Eighth-power region, 51<br />

Electromagnetic energy storage, 356<br />

Electronic efficiency, of magnetron, 345<br />

Electronic switches, 503–510<br />

Electrostatic deflection of beam of CRT<br />

(see Cathode-ray tube, electrostatic<br />

deflection<br />

of)<br />

Electrostatic energy storage, 356<br />

Electrostatic focusing of CRT (see<br />

Cathode-ray tube, electrostatic focusing<br />

of)<br />

Elsey, Howard M., 561<br />

Emslie, A. G., 640, 645<br />

Error, deck-tilt, 309<br />

in aircraft, 311<br />

E-scope, 173<br />

Evans Signal Laboratory, 17

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!