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Geophone Arrangements J9 Tests
Geophone Response Mark Products Model L11A
Sensor Outputs Shot No 4
3 other sections not shown
10K FREQUENCY Hz Acoustics Addressee amplitude response Figure Antisubmarine Warfare ARRAY GAIN array timing velocity arrays in ice beamforming burst California Camp Chief of Naval Chukchi Sea Code Commander Naval Commanding Officer Naval correlogram Delco Electronics determine Director Force U. S. Atlantic geophone array Group velocity calculated horizontal geophones Ï Ï Ï ice have better ice multipath ICE-MOUNTED GEOPHONE SONAR J-9 TESTING lineal velocity Motors Corporation NAVAL ORDNANCE LABORATORY Naval Research Naval Underwater Systems Navy Washington NORTHWIND Shot obtaining group velocity Office of Naval Officer Naval Underwater oscillographic passive sonar systems Pekeris PHASE velocity precursors propagation velocity Relative Energy RSR ground waves RSR ray San Diego shallow water shown in Figure signal-to-noise ratios sound velocity profile testing of geophone U. S. Pacific Fleet U.S. NAVAL ORDNANCE U.S. Navy Unclassified Security Classification Underwater Acoustics Underwater Systems Center Vertical Component Vertical Geophone water wave Waveform Eductor