Accession Number:

ADD012200

Title:

Pseudo-Random Noise Generator Calibration for Acoustic Hydrophones.

Descriptive Note:

Patent,

Corporate Author:

DEPARTMENT OF THE NAVY WASHINGTON DC

Personal Author(s):

Report Date:

1986-01-07

Pagination or Media Count:

5.0

Abstract:

A pseudo-random noise generator PRNG of a hard clipped tonal is remotely employed as an acoustic signal simulator for calibrating individual hydrophone channels of an acoustic array. The PRNG is employed to present a complete measurement of the channel gain and phase vs. frequency characteristics. The circuitry provides for synchronizing a channel hydrophone PRNGs to obtain gain and phase comparison of a signal channel measurement. The hard clipped tonal provides the gain vs. frequency of the channel transfer function. In addition a binary signal is provided for changing the gain of the channel. Patents

Subject Categories:

  • Electrical and Electronic Equipment
  • Test Facilities, Equipment and Methods
  • Acoustics

Distribution Statement:

APPROVED FOR PUBLIC RELEASE