The FT of a rectangular pulse existing between t = − T 2/ to t = T / 2 is a
A. Sinc squared function
B. Sinc function
C. Sine squared function
D. Sine function
Answer:B
The FT of a rectangular pulse existing between t = − T 2/ to t = T / 2 is a
A. Sinc squared function B. Sinc function C. Sine squared function D. Sine function
Explanation: By definition the Fourier transform is the transformation of time domain of signal to frequency domain and that of a rectangular pulse is a sinc function.