Electronics and Communication Engineering - Signals and Systems - Discussion

Discussion Forum : Signals and Systems - Section 1 (Q.No. 16)

Signals and Systems

16.

Let x(t) and y(t) with F.T. x(f) and y(f) respectively be related as shown in figure

Then y(f) is

-X(f/2)e^j2pf

-X(f/2)e^{- j2pf}

Answer: Option

Explanation:

By applying time shifting and scaling property.

Discussion:

5 comments Page 1 of 1.

Nikhath said: 9 years ago

y(t)= -x(2t+1).

Now apply time shifting and time scaling properties.

(2)

Bhavik Brahmbhatt said: 9 years ago

It is amplitude scaling means multiplication by -1 then time shifting.

(1)

Geetha said: 1 decade ago

How it is derived?

Suneel said: 1 decade ago

-ve sign will not come for scaling i.e +1/2.

Venkataram said: 6 years ago

How it is derived? Please explain.

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