High-fidelity low-pass finite-impulse-response filters
The paper describes a method of designing a low-pass finite-impulse response (moving-average) filter having a flat passband and an arbitrarily contoured stopband. The method effectively separates the design of the passband and the stopband, with independent control over the properties of each. The f...
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| Veröffentlicht in: | Journal of guidance, control, and dynamics control, and dynamics, 1989-05, Vol.12 (3), p.412-420 |
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| Sprache: | eng |
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| container_end_page | 420 |
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| container_issue | 3 |
| container_start_page | 412 |
| container_title | Journal of guidance, control, and dynamics |
| container_volume | 12 |
| creator | WILKINSON, ROBERT H. |
| description | The paper describes a method of designing a low-pass finite-impulse response (moving-average) filter having a flat passband and an arbitrarily contoured stopband. The method effectively separates the design of the passband and the stopband, with independent control over the properties of each. The filter causes a controllably small amount of distortion when applied to a smooth input and is especially useful in connection with data rate conversion in those cases when the object is to process with precision a low-frequency signal. The method permits direct placement of stopband zeros, convenient for locating 'don't care' bands in first stage data-rate- reduction filters, or suppressing large discrete sources of interference. The theory depends on the expansion of the filter weighting sequence (impulse response) as a power series of central-difference operators. (Author) |
| doi_str_mv | 10.2514/3.20423 |
| format | Article |
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The method effectively separates the design of the passband and the stopband, with independent control over the properties of each. The filter causes a controllably small amount of distortion when applied to a smooth input and is especially useful in connection with data rate conversion in those cases when the object is to process with precision a low-frequency signal. The method permits direct placement of stopband zeros, convenient for locating 'don't care' bands in first stage data-rate- reduction filters, or suppressing large discrete sources of interference. The theory depends on the expansion of the filter weighting sequence (impulse response) as a power series of central-difference operators. 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| fulltext | fulltext |
| identifier | ISSN: 0731-5090 |
| ispartof | Journal of guidance, control, and dynamics, 1989-05, Vol.12 (3), p.412-420 |
| issn | 0731-5090 1533-3884 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_25238307 |
| source | Alma/SFX Local Collection |
| subjects | Accuracy Bandwidths Design Laboratories Low pass filters Noise Signal processing |
| title | High-fidelity low-pass finite-impulse-response filters |
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