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Data reduction method of sine look-up tables in microprocessor's memory storage

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1 Author(s)
J. -H. Jung ; Department of Electronic and Computer Engineering, Texas A&M University at Qatar

A data reduction method of sine look-up tables for low-end microprocessors which have small memory capacity and low process speed is proposed. The proposed method is composed of an encoded sine look-up table (LUT), a linear interpolation technique, and an effective decoding algorithm. The data reduction method minimises the usage of the memory capacity for the sine LUT. It can support low-end microprocessor applications such as single-phase inverter, UPS, direct digital frequency synthesis, etc.

Published in:

Electronics Letters  (Volume:46 ,  Issue: 25 )