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| Q. |
Which are orthonormal signal representation? |
| A. | sine and cosine at same frequency |
| B. | wavelets |
| C. | complex sinusoids at a different frequency |
| D. | all of the mentioned |
| Answer» D. all of the mentioned | |
| Explanation: some of the common orthonormal signal representations are sine and cosine at the same frequency, fourier serier, sinc functions centered at sampling times, wavelets etc. | |
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