Signals and Systems: Discrete time Fourier Series:
If:
![r[n] = 2sin(n-) + cos(n-)](http://img.homeworklib.com/images/5b6400f3-6197-4591-b833-45d5bfc28be8.latex?x%5Bn%5D%20%3D%202sin%28n%20%5Cfrac%7B%5Cpi%20%7D%7B8%7D%29%20+%20cos%28n%5Cfrac%7B%5Cpi%7D%7B4%7D%29?x-oss-process=image/resize,w_560)
1. Please find the F.S. representation of x[n]
2. Please plot the amplitude spectrum
3. What is the fundamental frequency of x[n]?
4. How many distinct harmonics can be present in x[n]?--for this fundamental frequency.
5. How many harmonics are actually in x[n]?
Trying to prepare for finals, its crunch time, thank you for your help!
Homework Answers
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Signals and Systems: Discrete time Fourier Series: If: 1. Please find the F.S. representation of x[n] 2. Please plot the amplitude spectrum 3. What is the fundamental frequency of x[n]? 4. How many d...
Find the discrete-time Fourier Series for the following periodic signals: 3. 4 cos 2.4n n +...
Find the discrete-time Fourier Series for the following periodic signals: 3. 4 cos 2.4n n + 2 sin 3.2n n x[n] a. xn 0 12 15 6 b. xn 2N No 2N C.
2: (a) Consider a discrete-time sequence x[n] = cos(n+3). Find the fundamental period(N). (b) Consider the...
2: (a) Consider a discrete-time sequence x[n] = cos(n+3). Find the fundamental period(N). (b) Consider the sinusodal signal x(t) = 10 sin(21 Fot) with analog frequency F. Write an equa- tion for the discrete time signal n. (c) In part(b) if Fe = 400Hz and the sampling frequency F. = 4kHz, determine the fundamen- tal period of x[n].
please explain how you get answer 1. Discrete Time Signals Plot the following sequences: (a) x[n]...
please explain how you get answer
1. Discrete Time Signals Plot the following sequences: (a) x[n] = (n − 2)(u[n – 2) - u[n – 7]) (b) x[n] = r[n] – 2r[n – 2] + 2r[n – 6) – r[n – 8] (c) x[n] = 4(-0.5)"u[n], In< 10 (d) x[n] = (-0.5)" uſ2 – n), In| 54
please solve me these two questions and please solve it step by step and you get thumbs up, explain every detail especially the question 2 SIGNALS AND SYSTEMS 1. Find the rgonometric Fourier Series e...
please solve me these two questions and please solve it step by
step and you get thumbs up, explain every detail especially the
question 2
SIGNALS AND SYSTEMS 1. Find the rgonometric Fourier Series expansion of the following signal: (15 M) -A Q2. Find the complex Fourier series representation of an impulse train given as: (15 M) x(t) δ(t-2m) Which frequency coefficient Cn has the largest power? Plot x(O and Gr
SIGNALS AND SYSTEMS 1. Find the rgonometric Fourier Series...
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...
Find the discrete time Fourier series of the following periodic signal x[n] = 0, 1, 2, 3, 0, 1, 2, 3, 0, 1, 2, 3... Verify using Parseval's Theorem
Find the discrete time Fourier series of the following periodic signal x[n] = 0, 1, 2, 3, 0, 1, 2, 3, 0, 1, 2, 3... Verify using Parseval's Theorem
Don't need to do #1. Please go into detail on how you solved #2 and #3 The Fourier transform of the signal r(t) is given by the following figure (X(jw)0 for w> 20) X(ju) 0.8 0.6 0.4 0.2 -10 10...
Don't need to do #1. Please go into detail on how you solved #2
and #3
The Fourier transform of the signal r(t) is given by the following figure (X(jw)0 for w> 20) X(ju) 0.8 0.6 0.4 0.2 -10 10 20 m Page 4 of 5 Final S09 EE315 Signals & Systems The signal is sampled to obtain the signal withFourier transform Xlw 1. (5p) What is the minimum sampling frequency w 2. (10p) Now suppose that the sampling frequency...
I got help with task 1 and 2 . can you help me with task 3 and 4 of this question. please help me...
I got help with task 1 and 2 . can you help me with task 3 and 4
of this question. please help me step for step thanks.
A signal x[n] modulated by multiplying it by a carrier wave cos(2*p1"/cm) to form the signal z[n] = cos(2"p1"Vcm)x[n] ·The modulated signal z[n] multiplies with the same carrier wave to give the signal y[n]=cos(2*pi"Vcm)z[n] and filters with an LT-system to give x-hat [n] . all this are described by the picture below...
Find the discrete-time Fourier Series for the following periodic signals: 3. 4 cos 2.4n n + 2 sin 3.2n n x[n] a. xn 0 12 15 6 b. xn 2N No 2N C.
2: (a) Consider a discrete-time sequence x[n] = cos(n+3). Find the fundamental period(N). (b) Consider the sinusodal signal x(t) = 10 sin(21 Fot) with analog frequency F. Write an equa- tion for the discrete time signal n. (c) In part(b) if Fe = 400Hz and the sampling frequency F. = 4kHz, determine the fundamen- tal period of x[n].
please explain how you get answer
1. Discrete Time Signals Plot the following sequences: (a) x[n] = (n − 2)(u[n – 2) - u[n – 7]) (b) x[n] = r[n] – 2r[n – 2] + 2r[n – 6) – r[n – 8] (c) x[n] = 4(-0.5)"u[n], In< 10 (d) x[n] = (-0.5)" uſ2 – n), In| 54
please solve me these two questions and please solve it step by
step and you get thumbs up, explain every detail especially the
question 2
SIGNALS AND SYSTEMS 1. Find the rgonometric Fourier Series expansion of the following signal: (15 M) -A Q2. Find the complex Fourier series representation of an impulse train given as: (15 M) x(t) δ(t-2m) Which frequency coefficient Cn has the largest power? Plot x(O and Gr
SIGNALS AND SYSTEMS 1. Find the rgonometric Fourier Series...
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...
Don't need to do #1. Please go into detail on how you solved #2
and #3
The Fourier transform of the signal r(t) is given by the following figure (X(jw)0 for w> 20) X(ju) 0.8 0.6 0.4 0.2 -10 10 20 m Page 4 of 5 Final S09 EE315 Signals & Systems The signal is sampled to obtain the signal withFourier transform Xlw 1. (5p) What is the minimum sampling frequency w 2. (10p) Now suppose that the sampling frequency...
I got help with task 1 and 2 . can you help me with task 3 and 4
of this question. please help me step for step thanks.
A signal x[n] modulated by multiplying it by a carrier wave cos(2*p1"/cm) to form the signal z[n] = cos(2"p1"Vcm)x[n] ·The modulated signal z[n] multiplies with the same carrier wave to give the signal y[n]=cos(2*pi"Vcm)z[n] and filters with an LT-system to give x-hat [n] . all this are described by the picture below...
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