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Home/MATLAB simulations

Category: MATLAB simulations

MATLAB simulations related to signals and systems and digital signal processing

electricalstudent Latest Questions

hwmadeeasy
hwmadeeasy
Asked: March 21, 2022In: MATLAB simulations

1.) Use dsolve to obtain a symbolic expression for the zero-input response for the following system:  y”’+8y”+2521y’+5018y=f”+5018f, y(0)=1 ,y'(0)=1,y”(0)=0 2.) Plot the zero-input response for the system from part 1 with 0 ≤ t ≤ 4.  3.) Create a system object using tf for the system from part 1 and obtain the zero-state impulse and step response using impulse and step functions. 

Exercises  1.) Use dsolve to obtain a symbolic expression for the zero-input response for the following system:  y”’+8y”+2521y’+5018y=f”+5018f, y(0)=1 ,y'(0)=1,y”(0)=0 2.) Plot the zero-input response for the system from part 1 with 0 ≤ t ≤ 4.  3.) Create a system object using tf ...

ece355lsignals and system ece 355l spring 2022 lab 7
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hwmadeeasy
hwmadeeasy
Asked: February 16, 2022In: MATLAB simulations

10. Plot the following signal using MATLAB. Plot the compressed (by factor of 2) & stretched (by factor of 1/2) version of the signal. Also, plot the shift version of the signal by a factor of 1.

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hwmadeeasy
hwmadeeasy
Asked: February 16, 2022In: MATLAB simulations

9. Use MATLAB to calculate the determinant of the following matrices:

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hwmadeeasy
hwmadeeasy
Asked: February 16, 2022In: MATLAB simulations

8. For the given matrices, 1 3 4 8 5 1 A = , , 2 4 2 1 3 2 B C                 =     =          −       Write and execute a MATLAB script to perform the following: 1) Calculate 𝐴 + 𝐵 & 𝐵 + 𝐴 2) Calculate 𝐴𝐵 & 𝐵𝐴 3) Calculate the inverse and determinant of 𝐴, 𝐵, 𝑎𝑛𝑑 𝐶 4) Show that (c.A)B = A.c.B where c is a constant (let c = 3) 5) Determinants the lower and upper triangular of the matrix C

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hwmadeeasy
hwmadeeasy
Asked: February 16, 2022In: MATLAB simulations

The photovoltaic panel data sheet gives the short circuit current and number of series and parallel cells as well as a set if I-V curves for varying temperature. For the purpose of simulation studies the following model data is used: mp=2; n5=36; q=1.602e-19; k=1.38e-23; Iscr-3.17; A=1.5; IT=19.9693; Tr=893; Eg=.825; ki=0.002;R=10: For V= 0: .1: 30 ; T=25 degree C and S= [60 80 100] mW/cm?, plot the module I-V and P_V characteristics. For V= 0 : 1 : 30 ; T= [25 50 100] degree C and S= 80 mW/cm?, plot the module I-V and P_V characteristics.

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hwmadeeasy
hwmadeeasy
Asked: February 15, 2022In: MATLAB simulations

A.5 Consider the function y1x2 = 10 + 5e-x cos1vx + 0.52. Develop a script to co-plot y1x2 for the three values of v = 1, 3, 10 rad>s with 0 … x … 5 seconds. The final plot should have the following attributes

co-plot using matlab
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hwmadeeasy
hwmadeeasy
Asked: February 15, 2022In: MATLAB simulations

A.4 Develop a MATLAB script to plot the function y1x2 = 4 p cos vx + 4 9p cos 3vx. where v is a variable input at the command prompt. Label the x-axis with time (sec) and the y-axis with y1x2 = 14>p2 * cos1vx2 + 14>9p2 * cos13vx2. Include a descriptive header in the script, and verify that the help function will display the header. Choose v = 1, 3, 10 rad>s and test the script.

matlab plot
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hwmadeeasy
hwmadeeasy
Asked: February 15, 2022In: MATLAB simulations

A.3 Generate a plot of y1x2 = e-0.5x sin vx, where v = 10 rad>s, and 0 … x … 10. Utilize the colon notation to generate the x vector in increments of 0.1

matlab plot
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hwmadeeasy
hwmadeeasy
Asked: February 15, 2022In: MATLAB simulations

A.2 Consider the following set of linear algebraic equations: 5x + 6y + 10z = 4, -3x + 14z = 10, -7y + 21z = 0. Determine the values of x, y, and z so that the set of algebraic equations is satisfied. (Hint: Write the equations in matrix vector form.)

linear equations solving matlabmatlab equations solve
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hwmadeeasy
hwmadeeasy
Asked: February 15, 2022In: MATLAB simulations

A.1 Consider the two matrices A = B 4 2p 6j 10 + 22j R B = B 6j -13p p 16 R . Using MATLAB, compute the following: (a) A + B (b) AB (c) A2 (d) A′ (e) B-1 (f) B′ A′ (g) A2 + B2 – AB

matlab basicsmatrix operations on matlab
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Recent Comments

  1. venkyelectrical on Bonus Problem (10 points): In this circuit, the op amp is IDEAL. The op amp is NOT operating in the linear region. In this Circuit, V+=V_. The op amp output saturates at +12v. The output is always at saturation, either positive or negative. The output will “toggle” as Vin crosses a “threshold” voltage. Because of the positive feedback, the threshold voltage changes depending on the state of the output voltage. Find the lower and upper values of the threshold voltages to 5 places of precision.
  2. venkyelectrical on Problem #3 Operational Amplifiers (35 pts): The op amp is IDEAL and operating in the linear region. Find the voltage gain (Av) of the circuit. If Vin = -2, find io.
  3. venkyelectrical on Problem #2 Operational Amplifiers (35 pts): Op amp is ideal and operating in the linear region. Find the node voltages in the table.
  4. venkyelectrical on Problem #I Linear Amplifiers (40 pts) (SHOW ALL WORK) In the Problem, all resistor values are in ohms, voltages are volts and currents are amps. Amp “A” is voltage-to-current, Amps “B” and “C” are current-to-voltage. Use /1 = 0.01(V1), v2 = 100(/2) and V3 = 50(/3). Use Vin shown in the table. Find all the values listed in the table. Hint: Observe that R3, R4 and R5 are m parallel.
  5. venkyelectrical on 3. This problem is on the quantization and encoding. Answer to the following: Assume round-off rule for uniform quantization. We have 10 samples from the analog signal and their quantization error qε are found to be distributed as, qε =[0.33, 0.36, -0.38, 0.22, -0.4, 0.07, 0.4, -0.18, -0.25, 0.38] (a) Decide the suitable value of quantization step size ∆. Give reasoning for your answer (3) (b) We assume that qε are uniformly distributed with its probability density function f ∆ (∆) =1 /∆ for the interval [-∆/2, +∆/2]. Calculate the quantization noise power Pqε for the value of ∆ you found in part (a). (3) (c) Per the quantization noise power you calculated in part (b), calculate the signal power S [Watt] if output Signal to Q-zation noise power ratio SNRo = 30 dB. (3) (d) If we encode the quantizer output with binary code with length ‘n’(integer), decide the minimum code length ‘n’ based on the condition given in part (c) (1)

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