ECET 345
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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 continuoustime sine wave has a frequency of 60 Hz, an a.....

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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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Objective:
Using a Tower system and supplied HCS12based 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 .....

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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 .....

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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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Objective of the lab experiment:
The objective of this experiment is to experimentally measure the step response of an RC circuit and compare it to response prediced using MATLAB
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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 lec.....

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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 prese.....

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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 lig.....

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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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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 qualitativ.....

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ECET 345 Week 4 Lab
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 quant.....

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1.Using ztransform tables (page 776 of text or equivalent), find the ztransform of
2.Find the inverse ztransform, x(n), of the following functions by bringing them into a form such that you can look up the inverse ztransform from the tables. This will require some algebraic and /or trigon.....

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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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Objective of the lab experiment:
The objective of this experiment is to demonstrate how the convolution is used to process signals entering a system.
1. Convolution in the time domain is equivalent to what mathematical operation in the frequency domain?
2. When we con.....

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ECET 345 Week 6 Homework
1.Find the ztransform 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 sy.....

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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.....

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ECET 345 Week 6 Lab ZDomain Analysis of Discrete Systems
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,.....

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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.....

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Objective of the lab experiment:
The objective of this experiment is to perform Fourier analysis to obtain frequency domain signature of signals and systems that are measured or whose characteristics are known in time domain. Towards this end, we shall learn how to use Fourier transform to ob.....

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Objective of the lab experiment:
The objective of this experiment is to perform Fourier analysis to obtain frequency domain signature of signals and systems that are measured or whose characteristics are known in time domain. Towards this end, we shall learn how to use Fourier transform to ob.....
