interviewr asked about sampling theorem and i said the common def.(i.e ...sam

interviewr asked about sampling theorem and i said the
common def.(i.e ...sam freq must >=s max freq in the signal
for a sampled signal to recover without alising).he asked
that i have a sin signal of freq 1hz and i sampled at two
zero amplitude points can it be recoverable without
aliasing????

Question Posted / sivareddy6085

4 Answers
8007 Views
BARC, I also Faced
E-Mail Answers

Answers were Sorted based on User's Feedback

interviewr asked about sampling theorem and i said the common def.(i.e ...sam freq must >=s max..

Answer / puneet kapil

We cannot recover the signal although sampled rate is twice the source frequency without aliasing because at zero amplitudes. because it is an ambiguity in sampling theorem that for θ for which sin(θ)= 0, its not applicable this is called critical frequency points in source signal.

Is This Answer Correct ?

5 Yes

0 No

interviewr asked about sampling theorem and i said the common def.(i.e ...sam freq must >=s max..

Answer / amit

we cannot recover the signal although the sample rate >twice
the max freg .because at zero amplitude it contain the DC
value.means no information

Is This Answer Correct ?

1 Yes

0 No

interviewr asked about sampling theorem and i said the common def.(i.e ...sam freq must >=s max..

Answer / sivareddy6085

plese give me answers?(i think we have to take samples at
non zero points)

Is This Answer Correct ?

4 Yes

5 No

interviewr asked about sampling theorem and i said the common def.(i.e ...sam freq must >=s max..

Answer / your friend

i suppose there will be no aliasing since sampling is done
at twice the source frequency but seems signal can not be
recovered because mapping done between the samples (using
any order) can go any amplitude.

Is This Answer Correct ?

1 Yes

7 No

Post New Answer

More Electronics Communications Interview Questions

what is the working of silicon controlled resistor

4 Answers

What is the basic difference between Latches and Flip flops?

99 Answers Bosch, Caritor, D Link, IBM, TCS, Thapar University,

Is the data bus is Bi-directional?

0 Answers IBM,

how PID work?

1 Answers

How to design binary to gray code converter?

0 Answers

what is rectifier circuit?

3 Answers TCS,

what is hetrodyning?

2 Answers

Hello Can any body tell me the list of interview answers asked UMTS Planning and optimazation as i have interview today. Pla mail me on satish_jd2000@yahoo.com its urgent. Thank you

0 Answers Alcatel,

Explain the operation of 3φ bridge inverter for 1200 degree mode of operation with aid of relevant phase and line voltage waveforms?

0 Answers

How to make a robo car .Please give me whole theory ,photos of circuits etc. on my e-mail id.

0 Answers

what is the use of -3 db frequency?& why does it exist in filters?

1 Answers

Why circuit turn off time should be greater than the thyristor turn-off time?

0 Answers

For more Electronics Communications Interview Questions Click Here