A nearly optimum linear-phase digital FIR filters design
A new simple method to design linear-phase finite impulse response (FIR) digital filters, based on the steepest-descent optimization method, is presented in this paper. Starting from the specifications of the desired frequency response and a maximum approximation error a nearly optimum digital filte...
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| Veröffentlicht in: | Digital signal processing 2011-12, Vol.21 (6), p.690-693 |
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| container_end_page | 693 |
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| container_title | Digital signal processing |
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| creator | Joaquim, Marcelo Basilio Lucietto, Carlos A.S. |
| description | A new simple method to design linear-phase finite impulse response (FIR) digital filters, based on the steepest-descent optimization method, is presented in this paper. Starting from the specifications of the desired frequency response and a maximum approximation error a nearly optimum digital filter is obtained. Tests have shown that this method is alternative to other traditional ones such as Frequency Sampling and Parks–McClellan, mainly when other than brick wall frequency response is required as a desired frequency response. |
| doi_str_mv | 10.1016/j.dsp.2011.01.012 |
| format | Article |
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| ispartof | Digital signal processing, 2011-12, Vol.21 (6), p.690-693 |
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| language | eng |
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| source | ScienceDirect Journals (5 years ago - present) |
| subjects | Approximation Digital filters FIR Frequency response Impulse response Linear phase Mathematical analysis Optimization Sampling Steepest-descent method Walls |
| title | A nearly optimum linear-phase digital FIR filters design |
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