Ahuja, S. S. ; Dutta Roy, S. C. (1978) Variable-cutoff two-dimensional lowpass f.i.r. digital filters IEE Electronics Letters, 14 (14). pp. 422-423. ISSN 0013-5194
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Official URL: http://link.aip.org/link/?ELLEAK/14/422/1
Related URL: http://dx.doi.org/10.1049/el:19780283
Abstract
A recently formulated transformation for implementing 1-dimensional variable-cutoff filters is extended to the design of 2-dimensional variable-cutoff lowpass filters, and it is shown that the cutoff frequencies along the two frequency axes can be independently controlled, each by one parameter. The filters designed with the 1st-order transformation have certain drawbacks, which are shown to be overcome with the 2nd-order transformation with proper constraints on the variable parameters.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to The Institution of Electrical Engineers. |
| Keywords: | Two Dimensional Variable Cutoff Lowpass Filters; FIR Digital Filters; Linear Phase Filters |
| ID Code: | 9929 |
| Deposited On: | 02 Nov 2010 10:25 |
| Last Modified: | 01 Jun 2011 11:40 |
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