L-Probe Calibrated

L-Probe Calibrated

725 INR/Piece

Product Details:


L-Probe Calibrated Price And Quantity

  • 1 Piece
  • 725 INR/Piece

Product Description

L-Probe Calibrated is the slender rod of rigid or flexible material.

The invention described herein may be manufactured and used by or for the Government of the United States of America for Governmental purposes without the payment of any royalties thereon or therefor.


 Field of the Invention

The present invention relates generally to determining the transfer function of a fluid-filled compliant cylinders and more particularly to a field method by which the calibration of the transfer function of a fluid-filled compliant cylinder is measured as a function of temporal frequency and spatial frequency (or wavenumber).

Description of the Prior Art

Towed acoustic arrays are used in a variety of commercial and military applications. For example, towed arrays are used in seismic survey applications as well as in antisubmarine warfare applications. In general a towed array is used to measure a pressure field propagating in a fluid environment.

A towed array typically consists of a compliant (e.g., rubber or plastic) fluid-filled hose or cylinder containing an array of hydrophones or other sensors for making measurements of the pressure field incident upon its outer surface. The pressure field of interest will be referred to hereinafter as the signal. When there is relative movement between the fluid environment and the cylinder (e.g., the cylinder is towed or the cylinder is stationary and the fluid environment is moving), a turbulent pressure field develops which also impinges on the outer surface of the cylinder. This pressure field will be referred to hereinafter as the noise pressure field.

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