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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Batista, A.J.N. Alves, D. Cruz, N. Sousa, J. Varandas, C.A.F. Joffrin, E. Felton, R. Farthing, J. |
| Copyright Year | 2005 |
| Description | Author affiliation: Associacao EURATOM/IST, Centro de Fusao Nucl., Lisbon (Batista, A.J.N.; Alves, D.; Cruz, N.; Sousa, J.; Varandas, C.A.F.) |
| Abstract | Eight independent multi-rate signal interpolators, with real-time change of rate capability, were implemented on a field programmable gate array. The interpolator main building blocks are a cascaded integrator-comb (CIC) filter and the respective compensation filter. The latter performs a fixed rate change of 4 and was implemented as a 129 taps finite impulse response (FIR) filter. The FIR filter coefficients were attained from the MATLABreg simulation, based on the inverse sinc(x) function. The CIC was designed to have 6 stages (N), a differential delay (M) of 1 and a variable rate change factor (R) ranging from 10 up to 10000. Each interpolator over-samples the multiple data rate digital signals stored at the Joint European Torus (JET) pulse database to a fixed sampling rate of 40 MSPS. These signals are subsequently converted to the analogue domain by 16 bit digital-to-analog converters to be used as stimulus for testing real-time control tools and systems at JET |
| File Size | 615531 |
| File Format | |
| ISBN | 0780391837 |
| DOI | 10.1109/RTC.2005.1547477 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2005-06-04 |
| Publisher Place | Sweden |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Real time systems System testing Finite impulse response filter Field programmable gate arrays Computer languages Delay Databases Sampling methods Digital-analog conversion Control systems |
| Content Type | Text |
| Resource Type | Article |
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