Higher order s-to-z mapping functions and their application in digitizing continuous-time filters
Article Abstract:
A family of higher order numerical integration formulas are examined with their corresponding s-to-z mapping functions. Higher order mapping functions offer increased accuracy for real-time applications with regard to digitizing linear, time-invariant continuous-time filters. Key problems are the handling of discontinuous inputs and stability. By analyzing the stability regions of the mapping functions relative to the Nyquist Sampling Criterion, the stability issue is resolved. Also examined are the sources of error in the accuracy of the output of digitized filters relative to their continuous-time counterparts, and techniques for digitizing continuous-time filters.
Publication Name: Proceedings of the IEEE
Subject: Electronics
ISSN: 0018-9219
Year: 1991
User Contributions:
Comment about this article or add new information about this topic:
New structures for MOSFET-C filters
Article Abstract:
A nodal voltage simulation technique is described for generating new active RC filters. The technique is shown to be applicable to derivation of MOSFET-C filters from active RC filters, and the application of the technique to Tarmy-Ghausi active RC filters is also considered. Two MOSFET-C biquads are proposed based upon the Tow-Thomas active RC biquad. Circuit diagrams are provided.
Publication Name: Proceedings of the IEEE
Subject: Electronics
ISSN: 0018-9219
Year: 1987
User Contributions:
Comment about this article or add new information about this topic:
Non-separable extensions of quadrature mirror filters to multiple dimensions
Article Abstract:
The extension of one-dimensional quadrature mirror filters to multiple dimensions in an orientation-selective manner is demonstrated. The resulting transform is shown to be useful in the areas of data compression, orientation analysis, motion extraction, and progressive transmission, and should be useful in other machine vision tasks.
Publication Name: Proceedings of the IEEE
Subject: Electronics
ISSN: 0018-9219
Year: 1990
User Contributions:
Comment about this article or add new information about this topic:
- Abstracts: A tutorial on hidden Markov models and selected applications in speech recognition. A Tutorial on Computer-Aided Analysis of Switched-Capacitor Circuits
- Abstracts: High-power conditioning for space applications. High-frequency quasi-resonant converter technologies
- Abstracts: Therapeutic and diagnostic application of lasers in ophthalmology. Tunable solid-state lasers
- Abstracts: Networks for approximation and learning. Fast frequency synthesis by PLL using a continuous phase divider. Chebyshev Phase Approximation
- Abstracts: A silicon compiler for digital signal processing: methodology, implementation and applications. part 2 Programming real-time applications with SIGNAL