Precision complex sinusoid generation using limited processing

Details Precision complex sinusoid generation using limited processing Precision complex sinusoid generation using limited processing

2005-12-27

2005-12-27

Chaki, Kakali (Department: 2124)

Electrical computers: arithmetic processing and calculating

Electrical digital calculating computer

Particular function performed

Reexamination Certificate

active

06981011

ABSTRACT:
A first value of a sinusoidal-shaped electronic signal is computed based on a Lagrange interpolation using an update phase-angle associated with the electronic signal, a first set of equally-spaced data-values that generally describe the sinusoidal function and a second set of pre-calculated-values, which are based on spacing differences between the data-values. The first value can then be used to update the electronic signal or used to update another signal, such as a communication signal.

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