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Manufacturing and its Performance of the Underwater Wireless Telephone Using Single Side Band Modulation  

윤종락 (부경대학교 전자컴퓨터정보통신공학부)
박규칠 (부경대학교 전자컴퓨터정보통신공학부)
박문갑 (한국해양수산연구원)
김석재 (한국해양수산연구원)
노용주 ((주)지피에스코리아)
Publication Information
The Journal of the Acoustical Society of Korea / v.23, no.2, 2004 , pp. 134-145 More about this Journal
Abstract
The study aims to develop the underwater wireless telephone system. The system is designed based on the underwater acoustic communication channel parameters such as ambient noise, multipath effect and diver breathing noise. The system adopts SSB modem and its carrier frequency is about 33 kHz in which ambient noise level is low and therefore a high S/N ratio is easily obtained. The source level of the transmitter is designed as 131 dB re 1μPa. Its intelligibility index of sentence shows as 80% or mure in the range of less than 300m in the sea trial.
Keywords
Underwater speech communication; Underwater telephone; SSB; Underwater communication;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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