Which one of the following relations is not correct?
A. $$f\left( t \right)\delta \left( t \right) = f\left( 0 \right)\delta \left( t \right)$$
B. $$\int_{ - \infty }^\infty {f\left( t \right)\delta \left( \tau \right)d\tau = 1} $$
C. $$\int_{ - \infty }^\infty {\delta \left( \tau \right)d\left( \tau \right) = 1} $$
D. $$f\left( t \right)\delta \left( {t - \tau } \right) = f\left( \tau \right)\delta \left( {t - \tau } \right)$$
Answer: Option B
This Question Belongs to Electronics And Communications Engineering >> Signal Processing
The Fourier transform of a real valued time signal has
A. Odd symmetry
B. Even symmetry
C. Conjugate symmetry
D. No symmetry
A. $$V$$
B. $${{{T_1} - {T_2}} \over T}V$$
C. $${V \over {\sqrt 2 }}$$
D. $${{{T_1}} \over {{T_2}}}V$$
A. $$T = \sqrt 2 {T_s}$$
B. T = 1.2Ts
C. Always
D. Never
A. $${{\alpha - \beta } \over {\alpha + \beta }}$$
B. $${{\alpha \beta } \over {\alpha + \beta }}$$
C. α
D. β
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