DocumentCode :
2953694
Title :
Detecting ultrasonic signals in a turbulent atmosphere: performance of different codes
Author :
Álvarez, Fernando J. ; Urena, J. ; Hernandez, A. ; Jiménez, Ana ; De Marziani, Carlos ; Villadangos, Jose M. ; Pérez, M. Carmen
Author_Institution :
Univ. of Extremadura, Badajoz
fYear :
2007
fDate :
3-5 Oct. 2007
Firstpage :
1
Lastpage :
6
Abstract :
Signal coding and pulse compression provide ultrasonic systems with the capability to obtain accurate measurements that are nearly independent of the conditions of operation. This property, together with the high robustness to noise also achieved with these techniques, are making possible the development of high reliability systems intended for outdoor operation. However, these systems must face new problems not found indoors, such as the effect of atmospheric turbulence on the shape of the emitted waveforms. This work presents a comparative analysis of the performance of different codes that are used to encode the signals of an ultrasonic sensory system designed to operate under strong turbulence conditions.
Keywords :
acoustic signal detection; atmospheric turbulence; encoding; pulse compression; atmospheric turbulence; outdoor acoustics; pulse compression; signal coding; ultrasonic sensory system; ultrasonic signal detection; Atmosphere; Atmospheric measurements; Atmospheric waves; Noise robustness; Noise shaping; Pulse compression methods; Pulse measurements; Shape; Signal detection; Ultrasonic variables measurement; Ultrasonic sensory systems; atmospheric turbulence; pulse compression;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Intelligent Signal Processing, 2007. WISP 2007. IEEE International Symposium on
Conference_Location :
Alcala de Henares
Print_ISBN :
978-1-4244-0830-6
Electronic_ISBN :
978-1-4244-0830-6
Type :
conf
DOI :
10.1109/WISP.2007.4447649
Filename :
4447649
Link To Document :
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