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ECET 345 Week 1 Homework\n1.Express the following numbers in Cartesian (rectangular) form.\n2.Express the following numbers in polar form. Describe the quadrant of the complex plane, in which the complex number is located.\n

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ecet 345 course marvelous learning snaptutorial com
ECET 345 Course Marvelous Learning - snaptutorial.com

The Best way to predict the Future is to create it.....To Best way....

www.snaptutorial.com

ecet 345 course marvelous learning snaptutorial com 1
ECET 345 Course Marvelous Learning - snaptutorial.com

ECET 345 Week 1 Homework

For more classes visit

www.snaptutorial.com

ECET 345 Week 1 Homework

1.Express the following numbers in Cartesian (rectangular) form.

2.Express the following numbers in polar form. Describe the quadrant of the complex plane, in which the complex number is located.

3.(a) A continuous-time sine wave has a frequency of 60 Hz, an amplitude of 117 V, and an initial phase of π/4 radians. Describe this signal in a mathematical form using the Sin function.

ecet 345 course marvelous learning snaptutorial com 2
ECET 345 Course Marvelous Learning - snaptutorial.com

ECET 345 Week 1 iLab Observation of Wave-Shapes and Their Spectrum

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Objective of the lab experiment:

The objective of this experiment is to observe the shapes of different kinds of signals such as sine waves, square waves, and so on and to study how the shape of a signal alters its spectrum.

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ECET 345 Course Marvelous Learning - snaptutorial.com

ECET 345 Week 1 Lab Signal Observation And Recreation

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Objective:

Using a Tower system and supplied HCS12-based program, experimentally observe the closest equivalent of four key signals (impulse, sinusoidal, exponential, and square wave) on the oscilloscope and then create them in MATLAB.

Equipment list:

• Tower System with ADCDAC board

• Oscilloscope

ecet 345 course marvelous learning snaptutorial com 4
ECET 345 Course Marvelous Learning - snaptutorial.com

ECET 345 Week 2 Homework

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ECET 345 Week 2 Homework

1.Redraw the following schematics with the impedance of each of the element shown in Laplace domain. Then determine the overall impedance of the entire circuit between the two ends of the shown circuit and express it in Laplace domain as a ratio of two polynomials in s, with the coefficients of the highest power if s in the numerator and denominator are made unity. (Follow the method outlined in the lecture to determine the impedances of elements in Laplace domain and then use the formulas for combining impedances in series and parallel.)

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ECET 345 Course Marvelous Learning - snaptutorial.com

ECET 345 Week 2 iLab Response of RC circuits

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Objective of the lab experiment:

The objective of this experiment is to experimentally measure the impulse and step response of an RC circuit and compare it to theoretical results using Laplace transform.

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ECET 345 Course Marvelous Learning - snaptutorial.com

ECET 345 Week 3 Homework

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ECET 345 Week 3 Homework

The transfer function of a circuit is given by

Express the transfer function in a form in which the coefficients of the highest power ofs are unity in both numerator and denominator.

What is the characteristic equation of the system? (Hint: see this week’s lecture for a definition of characteristic equation.)

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ECET 345 Course Marvelous Learning - snaptutorial.com

ECET 345 Week 3 Lab Transfer Function Analysis Of Continuous Systems

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ECET 345 Week 3 Lab Transfer Function Analysis of Continuous Systems

Objective of the lab experiment:

The objective of this experiment is to create continuous (s domain) transfer functions in MATLAB and explore how they can be manipulated to extract relevant data.

We shall first present an example of how MATLAB is used for s (Laplace) domain analysis, and then the student shall be required to perform specified analysis on a given circuit.

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ECET 345 Course Marvelous Learning - snaptutorial.com

ECET 345 Week 4 Homework

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ECET 345 Week 4 Homework

1. A shiny metal disk with a dark spot on it, as shown in figure below, is rotating clockwise at 100 revolutions/second in a dark room. A human observer uses a strobe that flashes 99 times/second to observe the spot on the metal disk (a strobe is a flashing light whose rate of flashing can be varied). The spot appears to the human observer as if it is rotating slowly

ecet 345 course marvelous learning snaptutorial com 9
ECET 345 Course Marvelous Learning - snaptutorial.com

ECET 345 Week 4 iLab Part 1 RC Circuit Frequency Response

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Objective of the lab experiment: The objective of this experiment is to experimentally measure the frequency response of a simple RC circuit using Multisim and observe how changing R and C will affect the outcome.

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ECET 345 Course Marvelous Learning - snaptutorial.com

ECET 345 Week 4 iLab Part 2 Experimental Observation of Aliasing

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Objective of the lab experiment:

The objective of this experiment is to observe the effect of aliasing in a discrete sampling system and to measure how aliasing alters the frequency of an input signal that is beyond the Nyquist limit. This lab can also be used to quantitatively and qualitatively observe the effect of an antialiasing filter, even though we do not do so in this exercise.

ecet 345 course marvelous learning snaptutorial com 11
ECET 345 Course Marvelous Learning - snaptutorial.com

ECET 345 Week 5 Homework

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1.Using z-transform tables (page 776 of text or equivalent), find the z-transform of

2.Find the inverse z-transform, x(n), of the following functions by bringing them into a form such that you can look up the inverse z-transform from the tables. This will require some algebraic and /or trigonometric manipulation/calculation. You will also need a table of z-transforms (page 776 of text or equivalent). When computing the value of trigonometric functions, keep in mind that the arguments are always in radians and not in degrees.

ecet 345 course marvelous learning snaptutorial com 12
ECET 345 Course Marvelous Learning - snaptutorial.com

ECET 345 Week 5 Homework

For more classes visit

www.snaptutorial.com

1.Using z-transform tables (page 776 of text or equivalent), find the z-transform of

2.Find the inverse z-transform, x(n), of the following functions by bringing them into a form such that you can look up the inverse z-transform from the tables. This will require some algebraic and /or trigonometric manipulation/calculation. You will also need a table of z-transforms (page 776 of text or equivalent). When computing the value of trigonometric functions, keep in mind that the arguments are always in radians and not in degrees.

ecet 345 course marvelous learning snaptutorial com 13
ECET 345 Course Marvelous Learning - snaptutorial.com

ECET 345 Week 5 iLab Convolution of Signals

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Objective of the lab experiment:

The objective of this experiment is to demonstrate how the convolution is used to process signals entering a system.

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ECET 345 Course Marvelous Learning - snaptutorial.com

ECET 345 Week 6 Homework

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ECET 345 Week 6 Homework

1.Find the z-transform x(z) of x(n) = . Hint: Follow the method used in the lecture for Week 6. Also, when evaluating the numerical value of a trig function, keep in mind that the arguments of trig functions are always in radians and not in degrees.

2. Find the system transfer function of a causal LSI system whose impulse response is given by and express the result in positive powers of z. Hint: The transfer function is just the z-transform of impulse response. However, we must first convert the power of -0.5 from (n - 1) to (n - 2) by suitable algebraic manipulation.

ecet 345 course marvelous learning snaptutorial com 15
ECET 345 Course Marvelous Learning - snaptutorial.com

ECET 345 Week 6 iLab Z-Domain Analysis of Discrete Systems

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Objective of the lab experiment:

The objective of this experiment is to perform z domain analysis of discrete (sampled) signals and systems and extract useful information (such as impulse and step response, pole zero constellation, frequency response, etc.) from a z domain description of the system, such as its transfer function. We shall also study conversion of analog transfer functions (in s domain) into equivalent z domain transfer functions using bilinear transform.

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ECET 345 Course Marvelous Learning - snaptutorial.com

ECET 345 Week 7 Homework

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1.A sine wave of 60 Hz, amplitude of 117 V, and initial phase of zero (or 117 sin(2π*60t) is full wave rectified and sampled at 2,048 samples per second after full wave rectification. Research the Fourier series for a full wave rectified sine wave (on the Internet or in circuit theory books, such as Linear Circuits by Ronald E. Scott) and write it below.

Then write a MATLAB program that samples and stores 4,096 points of full wave rectified sine wave and performs Fourier analysis (FFT) of the full wave rectified sine wave on the stored points.

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ECET 345 Course Marvelous Learning - snaptutorial.com

The Best way to predict the Future is to create it.....To Best way....

www.snaptutorial.com