A new wavelet based method for signal detection with application to the engine knock detection

被引：0
|
作者：
Fiolka, J [1 ]
机构：
[1] Silesian Tech Univ, Inst Elect, PL-44100 Gliwice, Poland
来源：
PHOTONICS APPLICATIONS IN ASTRONOMY, COMMUNICATIONS, INDUSTRY, AND HIGH-ENERGY PHYSICS EXPERIMENTS IV | 2006年 / 6159卷
关键词：
knock detection; engines; time-frequency analysis; wavelet transform;
D O I：
10.1117/12.674956
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Knock in spark ignition (SI) engines is an undesirable mode of combustion, producing sharp pressure pulses associated with vibration of the engine block. This phenomenon limits performance, durability and fuel economy of SI engines. In this paper the author proposes a new knock detection method called WBKD (Wavelet Based Knock Detection), which is based on joint time-frequency analysis of pressure signal.
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页数：6
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