What is Discrete cosine transforms?

Q.  Discrete cosine transforms (DCTs) express a function or a signal in terms of
- Published on 27 Nov 15

a. Sum of cosine functions oscillating at different frequencies
b. Sum of cosine functions oscillating at same frequencies
c. Sum of cosine functions at different sampling intervals
d. Sum of cosine functions oscillating at same sampling intervals

ANSWER: Sum of cosine functions oscillating at different frequencies

Post your comment / Share knowledge


Enter the code shown above:
 
(Note: If you cannot read the numbers in the above image, reload the page to generate a new one.)