Rao, S. D. (1979) Frequency transformations for linear-phase variable-cutoff digital filters IEEE Transactions on Circuits and Systems, 26 (1). pp. 73-75. ISSN 0098-4094
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Official URL: http://ieeexplore.ieee.org/xpl/articleDetails.jsp?...
Related URL: http://dx.doi.org/10.1109/TCS.1979.1084550
Abstract
The first- and second-order forms of a transformation for implementing a variable-cutoff linear-phase FIR filter are investigated. In the first-order case, correct constraints have been placed on the variable parameterA_0; it is pointed out that the cutoff frequency increases, while the cutoff slope decreases, monotonically with increasingA_v; A_0 = 0corresponds to the prototype filter. The second-order transformation is shown to overcome these drawbacks without increasing the computational load or the number of variable parameters.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to IEEE. |
| ID Code: | 92251 |
| Deposited On: | 29 May 2012 12:22 |
| Last Modified: | 29 May 2012 12:22 |
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