Calibration Factors for DIFAR Processing

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Authors
  1. Maranda, B.H.
Corporate Authors
Defence Research Establishment Atlantic, Dartmouth NS (CAN)
Abstract
When processing acoustic data, it is often desired to produce results that are calibrated in terms of standard physical units, such as micropascals. In this note, several scaling factors needed for calibrating DIFAR sonobuoy data are derived. These factors are the acoustic sensitivities of the omni-directional and dipole sensors of the sonobuoy, as defined by the voltage levels at the output of the aircraft radio receiver when the buoy is in an acoustic pressure field of known intensity.

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Keywords
AN/ARR-502
Report Number
DREA-TM-2001-197 — Technical Memorandum
Date of publication
01 Nov 2001
Number of Pages
28
DSTKIM No
CA021488
CANDIS No
518209
Format(s):
CD ROM

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