Method for detecting targets

The invention relates to a method for detecting targets emitting wavelength energy into a medium by means of entropy determination at time segments of electric reception signals of a receiver which is arranged in the medium remote from said target. In order to detect targets which emit particularly...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	JORG HURKA, DIRK NEUMEISTER
Format:	Patent
Sprache:	eng
Schlagworte:	ANALOGOUS ARRANGEMENTS USING OTHER WAVES DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION TESTING TRANSMISSION
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Beschreibung
Zusammenfassung:	The invention relates to a method for detecting targets emitting wavelength energy into a medium by means of entropy determination at time segments of electric reception signals of a receiver which is arranged in the medium remote from said target. In order to detect targets which emit particularly broad-band noisy low-energy signals, the time segments of the reception signals undergo linear transformation and the entropy of the reception of the transformed signals is determined and it is possible to infer upon said targets on the basis of modification of entropy in the transformed signals. Fourier analysis and/or wavelet analysis of the reception signals is carried out for linear transformation.