Q. Correlation is used for
1) Computation of average power in waveforms
2) Climatography
3) Identification of binary code word in PCM systems
4) Quantization
a. 1, 2 and 3 are correct
b. 1 and 2 are correct
c. 2 and 3 are correct
d. All the four are correct
No explanation is available for this question!