Real-time signal processing of infrasound data using 1D wavelet transform on FPGA device

2007 15th IEEE-NPSS Real-Time Conference, RT

Volumn , Issue , 2007, Pages

  Chilo, José ^a,b   Lindblad, Thomas ^b  

^a ROYAL INSTITUTE OF TECHNOLOGY   (Sweden)

^b UNIVERSITY OF GÄVLE   (Sweden)

Author keywords

Discrete wavelet transform; Filtering; FPGA; Infrasound

Indexed keywords

CONTINUOUS FLOW; DISCRETE WAVELET TRANSFORM; FEATURE INFORMATION; FILTERING; FINNISH; FPGA; FPGA DEVICES; FPGA IMPLEMENTATIONS; FREQUENCY RANGING; HIGH-PASS; INFRASOUND; LOW FREQUENCY ACOUSTIC; LOW-PASS FILTERING; MONITORING SYSTEMS; REAL-TIME SIGNAL PROCESSING; REAL-TIME SIGNALS; SAMPLING RATE;

COMPUTER HARDWARE DESCRIPTION LANGUAGES; COMPUTER SIMULATION LANGUAGES; DATA PROCESSING; DISCRETE WAVELET TRANSFORMS; ELECTRIC FAULT CURRENTS; FEATURE EXTRACTION; FIELD PROGRAMMABLE GATE ARRAYS (FPGA); FIR FILTERS; LOW PASS FILTERS; PIPELINES; SIGNAL ANALYSIS; SIGNAL PROCESSING; WAVE FILTERS; WAVELET DECOMPOSITION; WAVELET TRANSFORMS;

HIGH PASS FILTERS;

EID: 50249128072     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1109/RTC.2007.4382758     Document Type: Conference Paper

References (13)

1. P. G. Brown, R. W. Whitaker and D. O. ReVelle, "Multi-station infrasonic observations of two large bolides: signal interpretation and implications for monitoring of atmospheric explosions", Geophys. Res. Letters, Vol. 29, 1636, 2002.
2. J. B. Johnson, R. C. Aster and P. R. Kyle, "Volcanic eruptions observed with infrasound", Geophysical Research Letters, Vol. 31, July 2004.
3. J. Chilo. A. Jabor and Th. Lindblad, "Filtering and extracting features from infrasound data", presented at 14th IEEE-NPSS Real-time Conf, Stockholm. Sweden, June 4-10, 2005, pp. 451 - 455.
4. K. Waldemark and L. Liszka, "High Resolution Observations of Infrasound Generated by the Supersonic Flights of Concorde", Journal of low frequency noise &vibration, London: Multi-Science, 1995.
5. L. Liszka, "Infrasonic Observations of the Gas Explosion on April 26-27, 1995", Journal of low frequency noise & vibration, London: Multi-Science. 1996.
6. L. Liszka, "Long-distance propagation of infrasound from artificial sources", Journal of the Acoustical Society of Amerika, New York: American Inst. Of Physics, 1974.
7. P. Campus, "The IMS Infrasound Network and its Potential for Detection of Events: Examples of a Variety of Signals Recorded Around the World", Newsletter No 06, Inframatics, June 2004.
8. L. Liszka, "Cognitive Information Processing in Space Physics and Astrophysics", 2003, Pachart Publishing House, Tucson, Az, USA, ISBN 0-88126-090-8.
9. L. Liszka, "Infrasound - A Summary of 35 Years of Infrasound Research", 2005.
10. G. Strang and T. Nguyen, " Wavelets and Filter Banks", Wellesley, MA: 1007.
11. S. G. Mallat, "A theory for multiresolution signal decomposition: The wavelet representation", IEEE Trans. Pattern. Anal. Machine Intrll., vol. 2, pp. 674-693, Dec. 1989.
12. A. Benkrid, K. Benkrid and D. Crook es "Design and Implementation of a Generic 2-D Orthogonal Discrete Wavelet Transform on FPGA", IEEE Symposium on Field-Programmable Custom Computing Machines, 2003.
13. I. Daubechies, "Ten Lectures on Wavelets", Society for Industrial and Applied Mathematics, Pennsylvania, 1992.