G - Physics – 01 – S
Patent
G - Physics
01
S
343/95
G01S 5/00 (2006.01)
Patent
CA 1110348
ABSTRACT OF THE DISCLOSURE A ranging system for guiding moving objects over equidistant tracks comprises a ground station and airborne equipment. The ground station includes a receiver and a transmitter connected to each other and to an aerial. The airborne equipment includes a reference-frequency oscillator; a frequency divider for obtaining meander-shaped signals of the modulation frequency connected to the reference-frequency oscillator; a transmitter connected to the frequency divider an airborne aerial coupled to the transmitter; a receiver connected to the airborne aerial; a digital filter, for producing a reference pulse when the modulation frequency signal derived at the output of the receiver crosses zero, connected to the receiver and to the reference-frequency oscillator; a variable delay unit, to shift the reference pulse within the pulse period of the reference-frequency oscillator, connected to the digital filter; a processing unit, for statistical processing of reliable signals to pro- duce an error signal proportional to the deviation of the moving object from a prescribed track, the polarity of the error signal defining the direction of said deviation, coupled to the variable delay unit and to the reference- frequency oscillator; a deviation indicator, for indicating the deviation of the moving object from a prescribed track, connected to the processing unit, a control unit, to control the magnitude of the shift of the reference pulse in the variable delay unit for indicating prescribed equidistant tracks by zero reading of the deviation indicator, coupled, to the processing unit, having two command inputs for manual input of commands, and connected to the variable delay unit.
275193
Ermakov Gennady A.
Injutkin Igor I.
Milov Vladimir A.
Negry Jury G.
Polivoda Alexandr G.
Swabey Ogilvy Renault
Vsesojuzny Nauchno-Issledovatelsky Institut Primenenia Grazhdans
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