VERTICAL ARRAY TELESEISMIC SIGNAL MEASUREMENTS

Abstract

This is a signal study to demonstrate the possibility of reducing near surface reverberations due to geological effects near the vertical array receivers. The signals are deghosted to make the up-going P-pulses appear similar on all of the vertical array sensors. A correlation record is computed to measure the similar component which occurs jointly on all of the array elements. The coda of a strong USC and GC zero focus event and 588 km focus event were considerably simplified. The coda of a USC and GS 60 km event from the Aleutians showed sufficient definition to improve the detection of pulses occurring after the first P-pulse. Ten unobservable weak signals were processed and three others were detected, based on proximity to Herrin times, amplitude and character.

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Document Details

Document Type
Technical Report
Publication Date
Nov 04, 1966
Accession Number
AD0803759

Entities

People

  • Richard L. Hawkins
  • Robert L. Sax

Organizations

  • Teledyne Technologies

Tags

Communities of Interest

  • Energy and Power Technologies
  • Materials and Manufacturing Processes
  • Sensors

DTIC Thesaurus Topics

  • Abstracts
  • Air Force
  • Commerce
  • Contracts
  • Data Processing
  • Detection
  • Detectors
  • Earth Sciences
  • Echoes
  • Filters
  • Filtration
  • Frequency
  • Geophysics
  • Government (Foreign)
  • Measurement
  • Reverberation
  • Seismometers

Readers

  • Seismology
  • Theoretical Analysis.