Identifying traffic through monitored zone - analysing geophone signals corresp. to sound waves triggered by traffic and propagated underground

The method involves receiving sound waves, at a geophone (10), stimulated by traffic, coupled into the ground and propagated underground. Corresp. geophone output signals are generated. The categories of the different traffic elements, e.g. pedestrians, light motor vehicles, heavy vehicles are assoc...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	TUMMOSCHEIT, GUENTER., 2806 OYTEN, DE, HANSEN, KARL-EMIL, 2810 VERDEN, DE, GUEDESEN, ALWIN., 2819 MORSUM, DE, BECKER, GUNNAR R.-GEOPHYS., 2800 BREMEN, DE, KLEMP, JUERGEN., 2810 VERDEN, DE
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	DETECTING MASSES OR OBJECTS GEOPHYSICS GRAVITATIONAL MEASUREMENTS MEASURING PHYSICS SIGNALLING TESTING TRAFFIC CONTROL SYSTEMS
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