Signal and System-Unit 1

Front

Which of the following is not an example of signal: Blood Pressure, temperature, aircraft, speech?

Back

aircraft

Front

The signal which is defined only at origin i.e only at t=0 is

Back

impulse signal

Front

Unit Step function is defined by
u(n) = 1, n ≥ 0
= 0, n < 0

Back

u(n) = 1, n ≥ 0
= 0, n < 0

Front

Analog signals can be converted to digital through a process called _____

Back

sampling

Front

If x (-t) = -x (t) then the signal is said to be _____________

Back

Odd Signal

Front

When x(t) is said to be non periodic signal?

Back

If the equation x (t) = x (t + T) is satisfied for no values of T

Front

Energy signal has zero average power and power signal has zero energy. True or False?

Back

False

Front

Y (t) = x (2t) is ________

Back

Compressed signal

Front

Considering Figure, sketch y= 2* x (t).

Back

Front

Sketch y= -3* x (t).

Back