Full Name
Nisarg Bhatt
local chapter id
1081

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5 months 1 week

my questions

Displaying 1 - 30 of 31

A real signal g(t) can be represented by a complex basis set. 

view   Lecture 5 : Fourier Series (Contd.) created on Mon, 07/20/2020 - 13:18

One cannot get the energy information of a signal from the amplitude spectrum if the signal in the frequency domain. 

view   Lecture 8 : Fourier Transform created on Sun, 05/17/2020 - 17:18

One cannot get the energy information of a signal from the amplitude spectrum if the signal in the frequency domain. 

view   Lecture 8 : Fourier Transform created on Sun, 05/17/2020 - 17:17

Fourier series provides amplitude and phase value for the each harmonics present in a particular signal. With respect to this information, while creating the signal from harmonics, a minor deviation in amplitude or phase of the harmonic will lead to  different signal than the intended one.   

view   Lecture 8 : Fourier Transform created on Sun, 05/17/2020 - 17:00

In exponential Fourier series, "D0" term represent the DC or average value of the signal.

view   Lecture 7 : Fourier Series (Contd.) created on Sun, 05/17/2020 - 16:42

For the example calculated in the video(signal shown below), what will be effect on the amplitude spectrum if signal amplitude is changed to 2 from1. 

series

view   Lecture 7 : Fourier Series (Contd.) created on Sun, 05/17/2020 - 16:35

Positive frequency means a phasor rotating in  _______ direction while negative frequency means a phasor rotating in a _______ direction. 

view   Lecture 7 : Fourier Series (Contd.) created on Sun, 05/17/2020 - 16:06

In complex Fourier series representation, amplitude spectrum is having ____symmetry while phase spectrum has ______ symmetry. 

view   Lecture 6 : Fourier Series (Contd.) created on Sun, 05/17/2020 - 15:54

After performing Fourier series procedure one can get ________.

view   Lecture 6 : Fourier Series (Contd.) created on Sun, 05/17/2020 - 15:48

A set of mutually orthogonal complex signals can never used a basis signal in the Fourier series representation. 

view   Lecture 5 : Fourier Series (Contd.) created on Sun, 05/17/2020 - 15:33

Any signal in the time domain can be represented by addition of infinite mutually orthogonal basis signals.

view   Lecture 5 : Fourier Series (Contd.) created on Sun, 05/17/2020 - 15:25

Do the signals 2 cos(2*Pi*f*t) and 3*cos (8*Pi*f*t) are orthogonal?

view   Lecture 5 : Fourier Series (Contd.) created on Sun, 05/17/2020 - 15:18

For the orthogonality  test between a two complex signal, complex conjugate of one of the signal is not required.  

view   Lecture 4 : Fourier Series (Contd.) created on Sun, 05/17/2020 - 15:12

Find that, the vector a =[1,2] and b = [2,-1] are orthogonal or not. 

view   Lecture 4 : Fourier Series (Contd.) created on Sun, 05/17/2020 - 15:05

Any vector in a 3 dimensional space can be represented by a set of three mutually orthogonal vectors.

view   Lecture 4 : Fourier Series (Contd.) created on Sun, 05/17/2020 - 14:56

What is the condition for the orthogonality of the two vectors? 

view   Lecture 3 : Fourier Series (Contd.) created on Sun, 05/17/2020 - 14:47

Power signal has ______ energy and _____ power.

view   Lecture 3 : Fourier Series (Contd.) created on Sun, 05/17/2020 - 14:41

Find out the category of the following signal.

signal_category

view   Lecture 3 : Fourier Series (Contd.) created on Sun, 05/17/2020 - 14:33

Calculate power of the signal x(t) = 8 sin(1000 t). 

view   Lecture 3 : Fourier Series (Contd.) created on Sun, 05/17/2020 - 14:25

Find the energy of a signal shown in the figure. 

Energy_Signal

view   Lecture 3 : Fourier Series (Contd.) created on Sun, 05/17/2020 - 14:20

In communication, signal is generally varied with respect to

view   Lecture 3 : Fourier Series (Contd.) created on Sun, 05/17/2020 - 14:09

Which of the following property of the pulse is used in pulse modulation?

view   Lecture 2: Fourier Series (Contd.) created on Sun, 05/17/2020 - 13:56

Which of the following will be introduced in the communication channel?

view   Lecture 2: Fourier Series (Contd.) created on Sun, 05/17/2020 - 13:51

High frequency components forms _______ portion of the square wave signal.  

view   Lecture 2: Fourier Series (Contd.) created on Sun, 05/17/2020 - 13:47

Generally a channel has ________ effect. 

view   Lecture 2: Fourier Series (Contd.) created on Sun, 05/17/2020 - 13:44

Noise is generated at 

view   Lecture 2: Fourier Series (Contd.) created on Sun, 05/17/2020 - 13:40

Which of the following process is carried out after the transmission step as discussed in the video?

view   Lecture 1 : Fourier Series created on Sun, 05/17/2020 - 12:01

Which of the following form of communication is being introduced in the video?

view   Lecture 1 : Fourier Series created on Sun, 05/17/2020 - 11:56

Modulation helps

view   Lecture 1 : Fourier Series created on Sun, 05/17/2020 - 11:50

A letter in an envelope received through a postal service is similar to the concept of modulation in to communication system.

view   Lecture 1 : Fourier Series created on Sun, 05/17/2020 - 11:40