![2) Find the power and energy of the following signals (20 Points). a) x(t) = sin(t) b) y[n] = (-0.3)”u[n – 2] Solutions: Part](http://img.homeworklib.com/questions/3d2c2840-cb1f-11ea-a525-cbdf5c83a4aa.png?x-oss-process=image/resize,w_560)
Please explain how a) is
solved, write what formula is used and explain in detail so I can
solve any problem of this type.
Homework Answers
![... 20 -2 cosat.dt - 2 t e I Coszt.dt Tiedt no C 2 fit - 2 froszedt tot de = {(10) - 2 (maks + Samost, a [- * *+(2+ + Crass)]](http://img.homeworklib.com/questions/6713e8b0-d1c8-11ea-ab3f-01aaaf51eefe.png?x-oss-process=image/resize,w_560)
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Please explain how a) is
solved, write what formula is used and explain in detail so...
(a) Determine the Fourier transform of x(t) 26(t-1)-6(t-3) (b) Compute the convolution sum of the following signals, (6%) [696] (c) The Fourier transform of a continuous-time signal a(t) is given bel...
(a) Determine the Fourier transform of x(t) 26(t-1)-6(t-3) (b) Compute the convolution sum of the following signals, (6%) [696] (c) The Fourier transform of a continuous-time signal a(t) is given below. Determine the [696] total energy of (t) 4 sin w (d) Determine the DC value and the average power of the following periodic signal. (6%) 0.5 0.5 (e) Determine the Nyquist rate for the following signal. (6%) x(t) = [1-0.78 cos(50nt + π/4)]2. (f) Sketch the frequency spectrum of...
I am really need these solutions. Can your help me please? this is a last part...
I am really need these solutions. Can your help me please?
this is a last part for my class final. I am really stuck at
it
Problem 1 If v(t) = 80 cos(200t) V and i(t) = 180 cos(200t + 75°) mA for some load, then calculate the instantaneous power and average power absorbed by the load Problem 2 Find the average power absorbed by the 102 resistor in the circuit below 492 -15.2 20/45°v 01v. 81. 59 109 {v....
MATLAB PLEASE MATLAB PLEASE most simple code possible 6. Determine which sequences are average power and plot 5 peri...
MATLAB PLEASE
MATLAB PLEASE
most simple code possible
6. Determine which sequences are average power and plot 5 periods. For part (c), show that it is possible to express the sequence using a simple formula. As for the aperiodic signals, just plot 40 samples periodic. Hence, for the periodic ones, find their period (a) an (n) %3D2 cos(풍n + ) sin(n + 좋) 4sin(3Tn- (b) 2(n) (e) ra(n) (d) a(n) COs( sin(n) + 3cox(품n -) sin(동n + 좋) com(품끼) (e)...
HW 1_Chi 1) Find the energies of the following signals below. 2) Find the power and...
HW 1_Chi 1) Find the energies of the following signals below. 2) Find the power and the rms value of the signal belo a) x(-4) b)x(-t) c) x(2-4) 3) for the signal x(t) shown below, sketch the signals b) (-4)[u(t-2)-(-4)] 4) sketch the following signals a) uſt-5) - ult-7) 5) Simplify the following expressions: (a) (2+2) (1) (+3)sw) (c) le='cos (31 – 60°)80) () (sin ka ) s() 6) Evaluate the following integrals: (a) , 8(7)x(1 – t)dt (b) *()8(1-1)dt...
NOTE: PLEASE DO Q.3 Part d and e Answers are given below: Question 3 (16 marks)...
NOTE: PLEASE DO Q.3 Part d and e
Answers are given below:
Question 3 (16 marks) Consider the periodic signal T v(t)24 cos(2t ) - 4 sin(5t - 2 The signal v is given as an input to a linear time-invariant continuous-time system with fre- quency response 4 0 lwl 2 2 jw H(w) lwlT 2, 1 2 jw (a) 3 marks] Find the fundamental period To and frequency wo of v (b) [3 marks] Express v in cosine sine...
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...
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...
One of the most important classes of time dependent signals are periodic signals. Periodic signals satisfy tho following signal equations, x(t) X(t) x(t+nt) for n 2,3. The periodic signals to b...
One of the most important classes of time dependent signals are periodic signals. Periodic signals satisfy tho following signal equations, x(t) X(t) x(t+nt) for n 2,3. The periodic signals to be observed in this laboratory assignment are shown below. In all the examples A represents the amplitude of the signal and may be given as the measurement from 0 to the peak value A, Apk or can be given as the measurement between A and -A which defines a peak-to-peak...
could you please explain all steps in DETAIL and write the formula used. Please and thank...
could you please explain all steps in DETAIL and write the formula
used. Please and thank you!
(11.6, 11.7) Liquid ammonia (boiling point =-33.4°C) can be used as a refrigerant and heat transfer fluid. How much energy is needed to heat 25.0 g of NH3() from -65.0°C to -12.0°C? 9. 4.7 J/(g K) 2.2 J/(g K) 23.5 kJ/mol 17.0 g/mol Specific heat capacity, NH3() Specific heat capacity,NHs(g) Heat of vaporization Molar mass, M
Please show all steps and explain your reasoning in detail for parts e, f, & g....
Please show all steps and explain your reasoning in detail for
parts e, f, & g. Ignore a - d. Thank you.
Consider a "2D electron gas". Ne electrons of mass m * confined to a square ofarea A = L2 with zero potential. Take the lowest level to be energy zero. a. What is the total number of states N with energy less than E including spin degeneracy? b. Deduce the energy density of states, defined by D(E) c....
(a) Determine the Fourier transform of x(t) 26(t-1)-6(t-3) (b) Compute the convolution sum of the following signals, (6%) [696] (c) The Fourier transform of a continuous-time signal a(t) is given below. Determine the [696] total energy of (t) 4 sin w (d) Determine the DC value and the average power of the following periodic signal. (6%) 0.5 0.5 (e) Determine the Nyquist rate for the following signal. (6%) x(t) = [1-0.78 cos(50nt + π/4)]2. (f) Sketch the frequency spectrum of...
I am really need these solutions. Can your help me please?
this is a last part for my class final. I am really stuck at
it
Problem 1 If v(t) = 80 cos(200t) V and i(t) = 180 cos(200t + 75°) mA for some load, then calculate the instantaneous power and average power absorbed by the load Problem 2 Find the average power absorbed by the 102 resistor in the circuit below 492 -15.2 20/45°v 01v. 81. 59 109 {v....
MATLAB PLEASE
MATLAB PLEASE
most simple code possible
6. Determine which sequences are average power and plot 5 periods. For part (c), show that it is possible to express the sequence using a simple formula. As for the aperiodic signals, just plot 40 samples periodic. Hence, for the periodic ones, find their period (a) an (n) %3D2 cos(풍n + ) sin(n + 좋) 4sin(3Tn- (b) 2(n) (e) ra(n) (d) a(n) COs( sin(n) + 3cox(품n -) sin(동n + 좋) com(품끼) (e)...
HW 1_Chi 1) Find the energies of the following signals below. 2) Find the power and the rms value of the signal belo a) x(-4) b)x(-t) c) x(2-4) 3) for the signal x(t) shown below, sketch the signals b) (-4)[u(t-2)-(-4)] 4) sketch the following signals a) uſt-5) - ult-7) 5) Simplify the following expressions: (a) (2+2) (1) (+3)sw) (c) le='cos (31 – 60°)80) () (sin ka ) s() 6) Evaluate the following integrals: (a) , 8(7)x(1 – t)dt (b) *()8(1-1)dt...
NOTE: PLEASE DO Q.3 Part d and e
Answers are given below:
Question 3 (16 marks) Consider the periodic signal T v(t)24 cos(2t ) - 4 sin(5t - 2 The signal v is given as an input to a linear time-invariant continuous-time system with fre- quency response 4 0 lwl 2 2 jw H(w) lwlT 2, 1 2 jw (a) 3 marks] Find the fundamental period To and frequency wo of v (b) [3 marks] Express v in cosine sine...
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...
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...
One of the most important classes of time dependent signals are periodic signals. Periodic signals satisfy tho following signal equations, x(t) X(t) x(t+nt) for n 2,3. The periodic signals to be observed in this laboratory assignment are shown below. In all the examples A represents the amplitude of the signal and may be given as the measurement from 0 to the peak value A, Apk or can be given as the measurement between A and -A which defines a peak-to-peak...
could you please explain all steps in DETAIL and write the formula
used. Please and thank you!
(11.6, 11.7) Liquid ammonia (boiling point =-33.4°C) can be used as a refrigerant and heat transfer fluid. How much energy is needed to heat 25.0 g of NH3() from -65.0°C to -12.0°C? 9. 4.7 J/(g K) 2.2 J/(g K) 23.5 kJ/mol 17.0 g/mol Specific heat capacity, NH3() Specific heat capacity,NHs(g) Heat of vaporization Molar mass, M
Please show all steps and explain your reasoning in detail for
parts e, f, & g. Ignore a - d. Thank you.
Consider a "2D electron gas". Ne electrons of mass m * confined to a square ofarea A = L2 with zero potential. Take the lowest level to be energy zero. a. What is the total number of states N with energy less than E including spin degeneracy? b. Deduce the energy density of states, defined by D(E) c....
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