Hilbert-Huang Transform Based Instantaneous Frequency Features for Underwater Voice (I) Transmission

被引：1

作者：

Lin, C. F. ^{[1
]}

Hsiao, K. J. ^{[1
]}

Wen, C. C. ^{[2
]}

Chang, S. H. ^{[3
]}

Parinov, I. A. ^{[4
]}

机构：

[1] Natl Taiwan Ocean Univ, Dept Elect Engn, Keelung, Taiwan

[2] Natl Kaohsiung Marine Univ, Dept Shipping Technol, Kaohsiung, Taiwan

[3] Natl Kaohsiung Marine Univ, Dept Microelect Engn, Kaohsiung, Taiwan

[4] Southern Fed Univ, Vorovich Mech & Appl Math Res Inst, Rostov Na Donu, Russia

来源：

ADVANCED MATERIALS: PHYSICS, MECHANICS AND APPLICATIONS | 2014年 / 152卷

关键词：

ACOUSTIC MULTIMEDIA COMMUNICATION;

D O I：

10.1007/978-3-319-03749-3_24

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

This paper examines the features of a Hilbert-Huang transform instantaneous frequency for application in underwater voice (I) transmissions. The duration and sampling frequency of the voice (I) sample were 5 s, and 8000 Hz, respectively. The voice (I) sample was inputted into a Matlab-based direct mapping orthogonal variable spreading factor/orthogonal frequency division modulation underwater multimedia communication platform. An underwater actual test channel model was employed in the proposed Matlab-based platform. Applying Hilbert-Huang time-frequency analysis to investigate the IF features of the received voice (I) signal resulted in transmission bit error rates of 0, 10(-4), 10(-3), 10(-2) and 10(-1). The mean frequencies of the voice sample (I) signal for IF2 were 646.6, 644, 648.3, 625.2, and 669.0 Hz, respectively, for the transmission bit error rates of 0, 10(-4), 10(-3), 10(-2) and 10(-1). The mean frequencies of the voice sample (I) signal for IF2 were 2.6, -3.7, 21.1 and 22.4 Hz, respectively, for the transmission bit error rates of 10(-4), 10(-3), 10(-2) and 10(-1).

引用

页码：305 / 310

页数：6

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