Infinite non-causality in active cancellation of random noise
نویسندگان
چکیده
منابع مشابه
Infinite non-causality in active cancellation of random noise
Active cancellation of broadband random noise requires the detection of the incoming noise with some time advance. In an duct for example this advance must be larger than the delays in the secondary path from the control source to the error sensor. In this paper it is shown that, in some cases, the advance required for perfect noise cancellation is theoretically infinite because the inverse of ...
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ژورنال
عنوان ژورنال: Journal of Sound and Vibration
سال: 2006
ISSN: 0022-460X
DOI: 10.1016/j.jsv.2005.04.001