342 / | HD | COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) |
104 | DF | DETERMINING VELOCITY {9} |
109 | ![]() | .~ Combined with determining distance {3} |
110 | DF | .~.~> With plural fixed range gates |
111 | DF | .~.~> With plural receiver frequency band separation |
112 | DF | .~.~> With plural frequencies transmission |