Multichannel WOLA algorithm in hydroacoustic monitoring and radio monitioring tasks and its computer simulation in MATLAB

Author

Klionskiy, D.M. ; Kaplun, D.I. ; Voznesenskiy, A.S. ; Gulvanskiy, V.V.

Author_Institution

Comput. Sci. Dept., St. Petersburg Electrotech. Univ. “LETI”, St. Petersburg, Russia

fYear

2014

fDate

June 30 2014-July 4 2014

Firstpage

1

Lastpage

6

Abstract

The present paper is devoted to the development, investigation, and computer simulation of a multichannel WOLA algorithm with regard to hydroacoustic monitoring and radio monitoring tasks in real time. Radio monitoring and hydroacoustic monitoring tasks are discussed and the main requirements to existing monitoring systems are provided. Several signal processing algorithms are considered including those based on a filter bank with complex modulation, polyphase filter bank, and a single-channel weighted overlap-add algorithm (WOLA-algorithm). The multichannel WOLA-algorithm is developed and clarified. High-performance software-hardware implementations on the basis of CPU and CUDA are compared and CUDA is shown to provide advantages for filter banks under study.

Keywords

channel bank filters; monitoring; signal processing; underwater sound; CPU; CUDA; MATLAB; complex modulation; hydroacoustic monitoring; monitoring systems; multichannel WOLA algorithm; polyphase filter bank; radio monitioring tasks; signal processing algorithms; software-hardware implementations; weighted overlap-add algorithm; Discrete Fourier transforms; Filter banks; Graphics processing units; Monitoring; Random access memory; Signal processing algorithms; Vectors;

fLanguage

English

Publisher

ieee

Conference_Titel

Emission Electronics (ICEE), 2014 2nd International Conference on

Conference_Location

St. Petersburg

Type

conf

DOI

10.1109/Emission.2014.6893961

Filename

6893961