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- W2287854781 abstract "This work address adaptative filters and their possible implementations in the analog domain, with a Gamma filter implementation as the main objective of this thesis. Adaptative filters are used in various situations e. g., system identification, echo canceling and many other different applications. This type of filters can change their parameters, so they can minimize the difference between the obtained an the desired signal. This variation of the filter parameters is possible with the help of an algorithm present in the filter. In this work, the LMS algorithm was the selected for implementation. The main issue when implementing analog filters is the impossibility of obtaining ideal delays. An ideal delay can be obtained putting several low-pass filters in series with each other, which is a Gamma filter. In this work all the necessary circuits to implement an adaptative filter using a Gamma filter with a LMS algorithm are exposed. An adaptative filter was implemented in Matlab/Simulink to corroborate the system operation. The electrical circuit and its simulation was performed using Cadence Design Systems software. First ideal components were used, and step by step each block of the system was replaced by the final circuit, until all the ideal components were replaced." @default.
- W2287854781 created "2016-06-24" @default.
- W2287854781 creator A5071961967 @default.
- W2287854781 date "2009-01-01" @default.
- W2287854781 modified "2023-09-26" @default.
- W2287854781 title "Filtro de condensadores comutados adaptativo" @default.
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