Method of generating sinusoidal signal

Details Method of generating sinusoidal signal Method of generating sinusoidal signal

2008-01-22

2008-01-22

Malzahn, D. H. (Department: 2193)

Electrical computers: arithmetic processing and calculating

Electrical digital calculating computer

Particular function performed

Reexamination Certificate

active

10797951

ABSTRACT:
Methods, devices and a software product for generating a sinusoidal signal of a desired frequency at a desired sampling rate. If the frequency is higher than the upper limit, a coefficient is determined as a function of the sampling rate and a sample of the first output sample sequence is determined as a linear combination of the coefficient and two previous output samples. The first output sample sequence is decimated by the sampling rate. If the frequency is lower than the lower limit, the coefficient is determined as a function of the sampling rate and the sample of the first output sample sequence is determined as a linear combination of the coefficient and two previous output samples. The first output sample sequence is multiplied so as to generate a second output sample sequence. The second output sample sequence is decimated by the sampling rate.

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patent: WO 01/41295 (2001-06-01), None
Al-lbrahim, M.M., “A Simple Recursive Digital Sinusoidal Oscillator with Uniform Frequency Spacing”, The 2001 IEEE International Symposium on Circuits and Systems, Part 2, 2001, pp. 689-692.

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