کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
762045 | 896661 | 2009 | 9 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
A statistical model for detecting jumps and decaying pulses in the presence of a background noise
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
سایر رشته های مهندسی
مهندسی مکانیک
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: A statistical model for detecting jumps and decaying pulses in the presence of a background noise A statistical model for detecting jumps and decaying pulses in the presence of a background noise](/preview/png/762045.png)
چکیده انگلیسی
A statistical modeling technique using full Bayesian approach is proposed for use in the detection of jumps and decaying pulses in the presence of background noises. Two distributions, namely, the exponential-power and the Student-t distributions, are adopted for the purpose. Results suggest that both these distributions can give accurate recovery of the instants when the abrupt changes take place if the background noise level is lower than that of the changes by 3 dB. They also indicate that the exponential-power distribution is more useful when the signal-to-noise ratio falls below 0 dB.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Applied Acoustics - Volume 70, Issue 3, March 2009, Pages 498–506
Journal: Applied Acoustics - Volume 70, Issue 3, March 2009, Pages 498–506
نویسندگان
C.M. Chan, S.K. Tang, H. Wong,