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首页> 外文期刊>IEEE Transactions on Automatic Control >Two-dimensional FIR notch filter design using singular value decomposition
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Two-dimensional FIR notch filter design using singular value decomposition

机译:采用奇异值分解的二维FIR陷波滤波器设计

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摘要

This paper is concerned with the two-dimensional (2-D) linear-phase FIR notch filter-design problem. First, the singular value decomposition (SVD) is used to reduce the 2-D notch filter-design problem to two pairs of one-dimensional (1-D) filterdesign problems. Then, we derive an analytic least-squares solution for the design of two pairs of 1-D linear-phase FIR filters. Again, the coefficients of the filter designed are given by closed-form formulas and the filter gain at the notch frequenciesis exactly zero. One example is included to illustrate the proposed design methods. To demonstrate the usefulness of the 2-D notch filters designed, the 2-D notch filter is applied to eliminate the sinusoidal interference superimposed on an image.

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