US PATENT SUBCLASS 342 / 84
.~.~.~ Function of doppler frequency


Current as of: June, 1999
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342 /   HD   COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION)

73  DF  RETURN SIGNAL CONTROLS RADAR SYSTEM {3}
82  DF  .~ Transmitter {2}
83  DF  .~.~ Signal phase or frequency other than pulse repetition frequency (PRF) {2}
84.~.~.~ Function of doppler frequency


DEFINITION

Classification: 342/84

Function of doppler frequency:

(under subclass 83) Subject matter wherein the radar transmitter frequency shift component of the returned signal which is due to the target velocity as it approaches toward or recedes from the radar.

SEE OR SEARCH THIS CLASS, SUBCLASS:

99, for doppler frequency tracking by returned signal control of radar receiver means.

104+, for velocity determination be radar using doppler techniques.

171, for testing radar apparatus with simulated doppler signals.