railway RRB JE (CBT I + CBT II) Mock Test 2024 Signals and Systems Discrete Fourier Transform (DFT) and Discrete Fourier Series (DFS) Definition of Discrete Fourier Transform (DFT)
माना Y(k), अनुक्रम y(n) = {1, 2, 3, 4, 5} का 5-बिंदु DFT है। अनुक्रम Y(k) का 5-बिंदु DFT क्या है?
1
[15, -2.5 + 3.4j, -2.5 + 0.81j, -2.5 - 0.81j, -2.5 - 3.4j]
2
[1, 5, 4, 3, 2]
3
[5, 25, 20, 15, 10]
4
[5, 4, 3, 2, 1]