Technique for detecting a direct signal pulse from an underwater explosive source in a waveguide

被引：4

作者：

Kostenko, K. V. ^{[1
]}

Kryukov, Yu. S. ^{[1
]}

机构：

[1] Res Inst Appl Acoust, Ul Devyatogo Maya 7a, Dubna 141980, Moscow Oblast, Russia

来源：

ACOUSTICAL PHYSICS | 2016年 / 62卷 / 01期

关键词：

acoustic waves; acoustic sensor; hydrophone; explosive source; explosion coordinates; direct signal; signal derivative; mirror derivative; SOURCE LOCALIZATION; TIME-DELAY;

D O I：

10.1134/S106377101506007X

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

A technique for detecting direct signal pulses based on steep rising edges of acoustic pressure is developed. The technique consists in calculating the mirror derivative of the received signal and normalizing it in a specific manner. This makes it possible to amplify weak direct signals and suppress strong reflected ones. A key feature of this technique is that it ensures a high probability of detection of direct signal pulses while keeping the number of false detections at a minimum.

引用

页码：112 / 116

页数：5

共 27 条

[1] Technique for detecting a direct signal pulse from an underwater explosive source in a waveguide
K. V. Kostenko
Yu. S. Kryukov
Acoustical Physics, 2016, 62 : 112 - 116
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[9] DETECTING TECHNIQUE OF WEAK PERIODIC PULSE SIGNAL VIA SYNTHESIS OF CROSS-CORRELATION AND CHAOTIC SYSTEM
Li Yue Yang Baojun Lu Peng Li Shizhe(College of Communication Engineering
Journal of Electronics(China), 2003, (05) : 397 - 400
[10] A SIGNAL-PROCESSING TECHNIQUE FOR DETECTING LOCAL DEFECTS IN A GEAR FROM THE SIGNAL AVERAGE OF THE VIBRATION
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