کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
565201 875684 2006 11 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Linear phase FIR differentiator design based on maximum signal-to-noise ratio criterion
موضوعات مرتبط
مهندسی و علوم پایه مهندسی کامپیوتر پردازش سیگنال
پیش نمایش صفحه اول مقاله
Linear phase FIR differentiator design based on maximum signal-to-noise ratio criterion
چکیده انگلیسی

In this paper, a new approach to the design of digital FIR differentiators is presented. The differentiator is linear phase and has zero derivatives at DC frequency. The design is based on the maximization of signal-to-noise ratio (SNR) at the output of the differentiator. The optimal filter coefficients are obtained from the generalized eigenvector associated with the maximum eigenvalue of a pair of symmetric matrices. Estimation of the time derivative of polynomial signal, sinusoidal signal and handwritten Chinese signature is used to demonstrate that the proposed method provides better accuracy and higher SNR than the conventional differentiator methods.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Signal Processing - Volume 86, Issue 2, February 2006, Pages 388–398
نویسندگان
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