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How to create Trignometric function lookup table

3 vues (au cours des 30 derniers jours)
Life is Wonderful
Life is Wonderful le 15 Avr 2021
Hi
I need help to create a lookup table for twiddle factor generated by trignometric cosine and sine function ?
Thanks
  12 commentaires
Walter Roberson
Walter Roberson le 19 Avr 2021
You asked for references about twiddle factor computation; I linked to a reference about twiddle factor computation.
If you had asked for a MATLAB implementation then I probably would not have posted any links. I do not have source code for that purpose, and I do not have time to research the topic and write the code.
Life is Wonderful
Life is Wonderful le 20 Avr 2021
Modifié(e) : Life is Wonderful le 20 Avr 2021
No worries @Walter Roberson. Indeed it's super direction you have shared across. A big thank you .
I have some insight now . Folks have worked on this topic and there are advantage of using cordic algorithm for twiddle factor on DSP. May be MathWork documentation is poor and they should come up
With this I can write equation on a paper and start designing the code.

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