Please help with the following problem. It is for a continuous and discreet course! Thanks
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Homework Answers
a) This is an energy signal because the energy signal has a property of reaching zero value when n tends to infinite.
and we can see from a signal that it decaying function.
b) This is a power signal because for power signal magnitude remains all the way same in other words it is neither decaying function or rising function.
c) This is neither energy nor power because the magnitude of function rising when n tends to positive infinity or negative infinity.
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2. Consider the following signals a)-c). Without computing anything explicitly, classifjy the sig...
Classify the following signals below. For each signal provide a brief discussion about the conclusions presented:...
Classify the following signals below. For each signal provide a
brief discussion about the conclusions presented:
- Does the signal have energy, power, or neither?
- Is the signal Deterministic or random?
t sin(200nt) x[n] = ein A B 60 250 40 200 20 150 0 um w 100 -20 50 -40 1-15 -10 -5 0 5 10 0 -50 5 0 50 C D 1 0.8 0.5 0.6 Lilar lolit 0.4 0 0.2 m 0 -0.5 -0.2 0.4 -0.6...
Classify the following signals whether are energy signals, power signals or neither by computing their energy...
Classify the following signals whether are energy signals, power signals or neither by computing their energy and power: 2. a. (10 points) x1(t)=2cos(2n10t)+3cos(2n20t) 1 < t otherwise (10 points) the periodic signal x3 (t) as shown by the figure below: t + 2 3 b, (10 points) X2(t) = c. x3 (t) 2 -2-1 0 2 3 t(s)
II. Consider a continuous time signal x(t), containing two windowed sinusoids 0.1 0.2 0.3 0.4 0.5...
II. Consider a continuous time signal x(t), containing two windowed sinusoids 0.1 0.2 0.3 0.4 0.5 0.6 The Fourier transform of the signal is as follows: 15 10 5 -800-_-400 h 200 400 600 The signal x(t) is the input of an LTI filter with frequency response lH(c) shown below 0.5 -&- 400︺-200 0 200 400 600 Shown below are four possible outputs of LTI filter when x(t) is the input. Please select the correct output (a) ya(t) (b) y(t)...
Problem 2. Determine whether the following signals are power or energy signals, or neither. Justify your...
Problem 2. Determine whether the following signals are power or energy signals, or neither. Justify your answers. a) x(t)-Asint -00<t<oo b) x(t) = r(1)-r(1-1) c) x(t)-tu(t) d) x(t)- Aexp(bt) , b>0
Create chart or table Consider the system with the impulse response ht)e u(t), as shown in Figure...
Create chart or table Consider the system with the impulse response ht)e u(t), as shown in Figure 3.2(a). This system's response to an input of x(t) 1) would be y(t) h(r ult 1). as shown in Figure 3.2(b). If the input signal is a sum of weighted, time-shifted impulses as described by (3.10), separated in time by Δ = 0.1 (s) so that xt)01-0.1k), as shown in Figure 3.2(c), then, according to (3.11), the output is This output signal is...
Problem 2 Consider the sinusoidal signal x(t) shown below. 10 8 6 4 2 -2 4...
Problem 2 Consider the sinusoidal signal x(t) shown below. 10 8 6 4 2 -2 4 6 -10 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 2.2 2.4 2.6 2.8 3 t (seconds) Write an equation for this signal.
For a signal representation shown graphically, it can be represented in terms of some basic signals...
For a signal representation shown graphically, it can be represented in terms of some basic signals such as unit step function. Consider the graphical representation of signal as in Figure Q1. (a) State the expression of x(t) in terms of the unit step function. (4 marks) (b) Find the expression for xo(t) and xe(t). (8 marks) (c) Plot y(t) = 3x(2t - 1). (5 marks) (d) Determine the energy and power of the signal x(t) given in Figure Q1. 0...
Q3. There exists a signal f(t) whose Laplace Transform has the following poles Pole-Zero Map 093 087 0.78 064 0.8 0 97 0.6 0.40 99a 0.2 25 1.5 05 20.2 0.4 0.92 0.6 097 0.8 093 087 078 064 2.5 1.5...
Q3. There exists a signal f(t) whose Laplace Transform has the following poles Pole-Zero Map 093 087 0.78 064 0.8 0 97 0.6 0.40 99a 0.2 25 1.5 05 20.2 0.4 0.92 0.6 097 0.8 093 087 078 064 2.5 1.5 0.5 Real Axis (seconds) e2tf(t) and P(jo) converges. Decide whether f(t) is right sided/left Another function p(t) sided/ 2 sided. Justify your answer clearly. Hint: P(ja) refers to Fourier Transform of p(t)
Q3. There exists a signal f(t) whose...
Q3. (10 points) The following shows the absorption spectrum of aqueous solution of V2. Based on c...
Q3. (10 points) The following shows the absorption spectrum of aqueous solution of V2. Based on complementary color's principle (and emphasizing only at visible range of the spectrum), what is the color of the solution? Explain your answer based on the provided spectrum (mainly for 0.1 M) 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0.1M 0.02M 200 300 400 500 600 700 800 Wavelength (nm)
Q3. (10 points) The following shows the absorption spectrum of aqueous solution of...
4. Using Matlab: 4.1. Plot | H(n the following cases: (the frequency range: 0-20 KHz) a. a 0.2 0.5 ms. b. α-0.8 C.α-0.2 c-0.1 ms. c 0.5 ms. 4.2. Consider a signal whose Fourier Transform is given...
4. Using Matlab: 4.1. Plot | H(n the following cases: (the frequency range: 0-20 KHz) a. a 0.2 0.5 ms. b. α-0.8 C.α-0.2 c-0.1 ms. c 0.5 ms. 4.2. Consider a signal whose Fourier Transform is given by: 50000ω Plot the transfer function l x(o) l and the output l Y(o) l in each of the above cases (stated in part 4.1) 4.3. Find the Inverse Fourier Transorms of| X(oand Y(o) , and generate the audio signals x and y...
Classify the following signals below. For each signal provide a
brief discussion about the conclusions presented:
- Does the signal have energy, power, or neither?
- Is the signal Deterministic or random?
t sin(200nt) x[n] = ein A B 60 250 40 200 20 150 0 um w 100 -20 50 -40 1-15 -10 -5 0 5 10 0 -50 5 0 50 C D 1 0.8 0.5 0.6 Lilar lolit 0.4 0 0.2 m 0 -0.5 -0.2 0.4 -0.6...
Classify the following signals whether are energy signals, power signals or neither by computing their energy and power: 2. a. (10 points) x1(t)=2cos(2n10t)+3cos(2n20t) 1 < t otherwise (10 points) the periodic signal x3 (t) as shown by the figure below: t + 2 3 b, (10 points) X2(t) = c. x3 (t) 2 -2-1 0 2 3 t(s)
II. Consider a continuous time signal x(t), containing two windowed sinusoids 0.1 0.2 0.3 0.4 0.5 0.6 The Fourier transform of the signal is as follows: 15 10 5 -800-_-400 h 200 400 600 The signal x(t) is the input of an LTI filter with frequency response lH(c) shown below 0.5 -&- 400︺-200 0 200 400 600 Shown below are four possible outputs of LTI filter when x(t) is the input. Please select the correct output (a) ya(t) (b) y(t)...
Problem 2. Determine whether the following signals are power or energy signals, or neither. Justify your answers. a) x(t)-Asint -00<t<oo b) x(t) = r(1)-r(1-1) c) x(t)-tu(t) d) x(t)- Aexp(bt) , b>0
Create chart or table Consider the system with the impulse response ht)e u(t), as shown in Figure 3.2(a). This system's response to an input of x(t) 1) would be y(t) h(r ult 1). as shown in Figure 3.2(b). If the input signal is a sum of weighted, time-shifted impulses as described by (3.10), separated in time by Δ = 0.1 (s) so that xt)01-0.1k), as shown in Figure 3.2(c), then, according to (3.11), the output is This output signal is...
Problem 2 Consider the sinusoidal signal x(t) shown below. 10 8 6 4 2 -2 4 6 -10 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 2.2 2.4 2.6 2.8 3 t (seconds) Write an equation for this signal.
For a signal representation shown graphically, it can be represented in terms of some basic signals such as unit step function. Consider the graphical representation of signal as in Figure Q1. (a) State the expression of x(t) in terms of the unit step function. (4 marks) (b) Find the expression for xo(t) and xe(t). (8 marks) (c) Plot y(t) = 3x(2t - 1). (5 marks) (d) Determine the energy and power of the signal x(t) given in Figure Q1. 0...
Q3. There exists a signal f(t) whose Laplace Transform has the following poles Pole-Zero Map 093 087 0.78 064 0.8 0 97 0.6 0.40 99a 0.2 25 1.5 05 20.2 0.4 0.92 0.6 097 0.8 093 087 078 064 2.5 1.5 0.5 Real Axis (seconds) e2tf(t) and P(jo) converges. Decide whether f(t) is right sided/left Another function p(t) sided/ 2 sided. Justify your answer clearly. Hint: P(ja) refers to Fourier Transform of p(t)
Q3. There exists a signal f(t) whose...
Q3. (10 points) The following shows the absorption spectrum of aqueous solution of V2. Based on complementary color's principle (and emphasizing only at visible range of the spectrum), what is the color of the solution? Explain your answer based on the provided spectrum (mainly for 0.1 M) 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0.1M 0.02M 200 300 400 500 600 700 800 Wavelength (nm)
Q3. (10 points) The following shows the absorption spectrum of aqueous solution of...
4. Using Matlab: 4.1. Plot | H(n the following cases: (the frequency range: 0-20 KHz) a. a 0.2 0.5 ms. b. α-0.8 C.α-0.2 c-0.1 ms. c 0.5 ms. 4.2. Consider a signal whose Fourier Transform is given by: 50000ω Plot the transfer function l x(o) l and the output l Y(o) l in each of the above cases (stated in part 4.1) 4.3. Find the Inverse Fourier Transorms of| X(oand Y(o) , and generate the audio signals x and y...
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