Answer the following questions: a) Explain what the frequency spectrum of a signal is (remember that...
Answer the following questions:
a) Explain what the frequency spectrum of a signal is (remember that the frequency spectrum is two graphs).
b) What's FFT?
c) What is the analysis in the frequency domain of a signal? What differences exist with respect to time domain
d) Generally, what type of signals do we find in nature (continuous or discrete) and what type of signals do computer systems use (continuous or discrete)?
Homework Answers
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Answer the following questions:
a) Explain what the frequency spectrum of a signal is (remember
that...
Jor preparation Questions to get 4 1. What is the spectrum of the signal? 2. What...
Jor preparation Questions to get 4 1. What is the spectrum of the signal? 2. What is the channel bandwidth and how is it calculated? 3. What is the signal spectrum width and how is it calculated? 4. For what purpose the modulation in telecommunication systems is used? 5. How the orthonormal functions are used for the signal description? 6. You will be given a picture if the signal. Your task will be to determine: Whether signal is periodic or...
Jor preparation Questions to get 4 1. What is the spectrum of the signal? 2. What...
Jor preparation Questions to get 4 1. What is the spectrum of the signal? 2. What is the channel bandwidth and how is it calculated? 3. What is the signal spectrum width and how is it calculated? 4. For what purpose the modulation in telecommunication systems is used? 5. How the orthonormal functions are used for the signal description? 6. You will be given a picture if the signal. Your task will be to determine: Whether signal is periodic or...
Problem (3) a) A periodic square wave signal x(t) is shown below, it is required to answer the below questions: x(t) 1. What is the period and the duration of such a signal? 2. Determine the fund...
Problem (3) a) A periodic square wave signal x(t) is shown below, it is required to answer the below questions: x(t) 1. What is the period and the duration of such a signal? 2. Determine the fundamental frequency. 3. Calculate the Trigonometric Fourier Series and sketch the amplitude spectrum and phase spectrum of the signal x(t) for the first 5 harmonics. b) Find the Continuous Time Fourier Series (CTFS) and Continuous Time Fourier Transform (CTFT) of the following periodic signals...
Can someone please help me with all these questions please? I desperately need it asap! Must be d...
Can someone please help me with all these
questions please? I desperately need it asap! Must be done with
MATLAB. Thumbs up will be guaranteed! Thank you so
much!!
A. Discrete Fourier Transform and zero padding For the signals x1[n] and x2[n] answer the following questions: x2 [n] = cos(2m30/100) + 0.5 cos(2nn40/100) 1) Compute and plot the length-N DFT magnitude of signals x1[n] and x2[n] with respect to frequency fr, where f and N is the number of samples....
The representation of a p(t) signal in the frequency spectrum that we want to exemplify is...
The representation of a p(t) signal in the frequency spectrum that we want to exemplify is P(f) and is shown as follows. ei P(f) = (N) S1 f 1 - 530 515KHz S/ f 15 545KHz 10 otherwise We want to record this signal by passing it through an analog to digital converter (ADC) with sampling rate of 100 KHz. Will there be an overlap? Why is that? If there is an overlap, what should be the minimum sampling rate...
can someone help me do this and maybe also the picture of the scope explain how you get it. thankyou! Frequency-sh...
can someone help me do this and maybe also the picture of the
scope explain how you get it. thankyou!
Frequency-shift keying (FSK) and Phase-shift keying (PSK) Two other modulation schemes are the phase-shift keying (PSK) and the frequency-shift keying (FSK). These are illustrated in Figure 8 b and c respectively. In phase-shift keying the carrier signal changes phase by a radians when the digital signal changes values. In frequency-shift keying a 0 is transmitted at a different carrier frequency...
number 2 ECE 300 Continuous-Time Signals and Systems H(jø π/2 Plot the spectrum Z (jø) of the filtered input signal z()...
number 2
ECE 300 Continuous-Time Signals and Systems H(jø π/2 Plot the spectrum Z (jø) of the filtered input signal z(), the spectrum Z, (jo) of the sampled signal z.(t), and the spectrum Y(ja) of the reconstructed signal y(t). Show clearly how the output spectrum Y (ja) differs from the original spectrum G(jo) C. Which system, A or B, produces less distortion between the input g(t) and the output y(4) or ()? Explain. You can measure distortion by finding the...
please step by step the main three question are the last three one thank you HW1...
please step by step
the main three question are the last three one thank you
HW1 Description The MATLAB script accompanying this assignment simulates the approximation of the periodic function f() defined below using a Fourier series of N harmonics (including the fundamental frequency). In the script do, and the best a, and by coefficients are computed using their analytical expressions (corresponding to this definition of f(t) of course). There is also a parameter N that controls the maximum nth...
need help figuring my unknown and answering these questions please number every question and explain...studying for...
need help figuring my unknown and answering these questions
please number every question and explain...studying for exam next
week.
Transmittance 4000 3500 3000 1500 1000 2500 2000 Wavenumbers (cm-1) 500 C:47.358 H:10.598 0:42.06% N:08 X:08 0 10 Solvent We were unable to transcribe this imageMS Analysis When labeling a signal, make sure you are clear which specific one you are labeling (there may be several that are dose! When drawing a structure for a signal, draw directly on the MS...
For optical frequency combs, answer the following questions: a) What are optical frequency combs? b) How...
For optical frequency combs, answer the following questions: a) What are optical frequency combs? b) How are optical frequency combs used for high precision spectroscopy? c) Explain what does carrier envelope phase mean, and why this effects the resolution of this type of spectroscopy method?
Jor preparation Questions to get 4 1. What is the spectrum of the signal? 2. What is the channel bandwidth and how is it calculated? 3. What is the signal spectrum width and how is it calculated? 4. For what purpose the modulation in telecommunication systems is used? 5. How the orthonormal functions are used for the signal description? 6. You will be given a picture if the signal. Your task will be to determine: Whether signal is periodic or...
Jor preparation Questions to get 4 1. What is the spectrum of the signal? 2. What is the channel bandwidth and how is it calculated? 3. What is the signal spectrum width and how is it calculated? 4. For what purpose the modulation in telecommunication systems is used? 5. How the orthonormal functions are used for the signal description? 6. You will be given a picture if the signal. Your task will be to determine: Whether signal is periodic or...
Problem (3) a) A periodic square wave signal x(t) is shown below, it is required to answer the below questions: x(t) 1. What is the period and the duration of such a signal? 2. Determine the fundamental frequency. 3. Calculate the Trigonometric Fourier Series and sketch the amplitude spectrum and phase spectrum of the signal x(t) for the first 5 harmonics. b) Find the Continuous Time Fourier Series (CTFS) and Continuous Time Fourier Transform (CTFT) of the following periodic signals...
Can someone please help me with all these
questions please? I desperately need it asap! Must be done with
MATLAB. Thumbs up will be guaranteed! Thank you so
much!!
A. Discrete Fourier Transform and zero padding For the signals x1[n] and x2[n] answer the following questions: x2 [n] = cos(2m30/100) + 0.5 cos(2nn40/100) 1) Compute and plot the length-N DFT magnitude of signals x1[n] and x2[n] with respect to frequency fr, where f and N is the number of samples....
The representation of a p(t) signal in the frequency spectrum that we want to exemplify is P(f) and is shown as follows. ei P(f) = (N) S1 f 1 - 530 515KHz S/ f 15 545KHz 10 otherwise We want to record this signal by passing it through an analog to digital converter (ADC) with sampling rate of 100 KHz. Will there be an overlap? Why is that? If there is an overlap, what should be the minimum sampling rate...
can someone help me do this and maybe also the picture of the
scope explain how you get it. thankyou!
Frequency-shift keying (FSK) and Phase-shift keying (PSK) Two other modulation schemes are the phase-shift keying (PSK) and the frequency-shift keying (FSK). These are illustrated in Figure 8 b and c respectively. In phase-shift keying the carrier signal changes phase by a radians when the digital signal changes values. In frequency-shift keying a 0 is transmitted at a different carrier frequency...
number 2
ECE 300 Continuous-Time Signals and Systems H(jø π/2 Plot the spectrum Z (jø) of the filtered input signal z(), the spectrum Z, (jo) of the sampled signal z.(t), and the spectrum Y(ja) of the reconstructed signal y(t). Show clearly how the output spectrum Y (ja) differs from the original spectrum G(jo) C. Which system, A or B, produces less distortion between the input g(t) and the output y(4) or ()? Explain. You can measure distortion by finding the...
please step by step
the main three question are the last three one thank you
HW1 Description The MATLAB script accompanying this assignment simulates the approximation of the periodic function f() defined below using a Fourier series of N harmonics (including the fundamental frequency). In the script do, and the best a, and by coefficients are computed using their analytical expressions (corresponding to this definition of f(t) of course). There is also a parameter N that controls the maximum nth...
need help figuring my unknown and answering these questions
please number every question and explain...studying for exam next
week.
Transmittance 4000 3500 3000 1500 1000 2500 2000 Wavenumbers (cm-1) 500 C:47.358 H:10.598 0:42.06% N:08 X:08 0 10 Solvent We were unable to transcribe this imageMS Analysis When labeling a signal, make sure you are clear which specific one you are labeling (there may be several that are dose! When drawing a structure for a signal, draw directly on the MS...
For optical frequency combs, answer the following questions: a) What are optical frequency combs? b) How are optical frequency combs used for high precision spectroscopy? c) Explain what does carrier envelope phase mean, and why this effects the resolution of this type of spectroscopy method?
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