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Volume 20 Issue 1
Aug.  2022
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TIAN Tan, FAN Shibin, GUAN Hao. A method to measure the amplitude exactly and respond to an underwater sound pulse with wide dynamic range[J]. ACTA ACUSTICA, 1995, 20(1): 42-48. DOI: 10.15949/j.cnki.0371-0025.1995.01.006
Citation: TIAN Tan, FAN Shibin, GUAN Hao. A method to measure the amplitude exactly and respond to an underwater sound pulse with wide dynamic range[J]. ACTA ACUSTICA, 1995, 20(1): 42-48. DOI: 10.15949/j.cnki.0371-0025.1995.01.006
shu

A method to measure the amplitude exactly and respond to an underwater sound pulse with wide dynamic range

  • Harbin Shipbuilding Engineering Institute Harbin, 150001

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  • Received Date: May 30, 1993
  • Available Online: August 05, 2022
    Graphical Abstract
    • Abstract
  • This paper presents a method to control the gain and measure the amplitude exactly for underwater sound pulse with a wide dynamic range, in which a loop composed of gain controlled unit and ndcrocomputer is employed. This method also has a satisfactory result when there are distortion with signal envelop and fluctuation with signal amplitude. The basic mathematical model of instantaneous amplitude-gain-control and amplitude measuring, the hardware strueture are presented. The calibration method of the system for re-transmitting (response) as required sound level is given as well.
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