DEVICE COMPUTING CROSS CORRELATION FUNCTION IN SPACED APART RADAR SYSTEM

computer engineering, radar systems. SUBSTANCE: operation of device is based on signal processing by correlation system designed for required relative time delay of signals ( on ordinary base ). Device has at least two reception channels which include receiving aids, analog-to-digital converters, ph...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	BULYGIN L.F, VENEVTSEV S.JU, SKVORTSOV V.S
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	ANALOGOUS ARRANGEMENTS USING OTHER WAVES CALCULATING COMPUTING COUNTING DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES ELECTRIC DIGITAL DATA PROCESSING LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION TESTING
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Beschreibung
Zusammenfassung:	computer engineering, radar systems. SUBSTANCE: operation of device is based on signal processing by correlation system designed for required relative time delay of signals ( on ordinary base ). Device has at least two reception channels which include receiving aids, analog-to-digital converters, phase detectors, binary quantizers, Doppler frequency shift unit, clock pulse generators, control signal formers, correlator and unit restoring dynamic range which incorporates amplitude detector and multiplier. Correlator includes four matched filters, each having units forming response, comparators, coincidence adders, subtracter, adder, unit determining amplitude of correlation function. Given invention is aimed for reduction of digitization frequency of output signal which provides for simplification of procedure of computation of maximum of cross correlation function and for reduction of number of correlation processing channels. EFFECT: simplified procedure of computation of maximum of cross correlation function. 2 cl, 2 dwg