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Consider the following system with the given input and digital filter: Xa(t) In Yn -Hd (w)t...
Question 7 The diagram depicts a digital filter that samples the continuous time input signal x(t)...
Question 7 The diagram depicts a digital filter that samples the continuous time input signal x(t) at 6 kHz. The digital is filter described by y(n) -x(n) + 0.8y(n -1) Find an expression for the steady state output if x(t) -3sin(2mft) with f 200 Hz? Hint: evaluate the filter's frequency response at the discrete time frequency corresponding to 200 Hz. (12 points) Anti-alias filter Sample A/D Digital Filter
Question2: (40 points]: Consider the system shown in the figure with the input signal xc(t) =...
Question2: (40 points]: Consider the system shown in the figure with the input signal xc(t) = 3 cos(100t) + 2 cos(200t), sampling frequency ws = 600 rad/s, and final filter cutoff frequency w1 = 400 rad/s. The filter has an impulse response given byha[n] = 8[n – 1] + 8[n] + 8[n + 1]. a) [10 points] Find and plot the signal Xa(ein) b) [10 points] Find and plot the signals Ya(ejn) and yo (jw) c) [10 points] Find and...
10. An input signal x(t) is processed by a filter with an amplitude | H(f) |...
10. An input signal x(t) is processed by a filter with an amplitude | H(f) | and phase θ(f) response given below H(f) 90 70 50 30 10 10 θ(f) 25 -50 70 05 35 -3-252 -15105 0 05 115 2 25 3 35 -35-3-25-2-15-1-05 0 0.5 15 2 25 35 frequency (kHz) frequency (kHz) a) For x,(t)-2cos(22500t) find output signal ya(t) b) For x,(t) 4cos(27750t) find output signal yb(t) c) For x,(t)=2cos(2π500t) +4cos(2π750t) find output signal ye(t) d) For...
QUESTION 1 Characterise the following systems as being either causal on anticausal: yn)-ePyn-1)+u...
QUESTION 1 Characterise the following systems as being either causal on anticausal: yn)-ePyn-1)+u/n), where u/h) is the unit step and B is an arbitrary constant (B>0), Take y-1)-0. Answer with either causal or 'anticausal only QUESTION 2 For the following system: yn) -yn-1Va -x(n), for a 0.9, find y(10), assuming y(n) - o, for ns -1.Hint: find a closed form for yin) and use it to find the required output sample. (xin)-1 for n>-0) QUESTION 3 A filter has the...
3. a. For the filter below, find the output y[n] given the input x[n] 1+ sin(3Tn/8+T/4)...
3. a. For the filter below, find the output y[n] given the input x[n] 1+ sin(3Tn/8+T/4) H(el 0 2n-5m 19m 3 12 IT
Problems: 1. Consider the system shown below. Let the input signal to the Ideal Sampler to be: s(...
just looking for #2, 3, and 4
Problems: 1. Consider the system shown below. Let the input signal to the Ideal Sampler to be: s(t) = 2 cos(2m50t) + 4cos(2m100t) a. (10 points) Determine S(f) and plot it b. (20 points) Let the sampling rate to be: fs 300 samples/sec. Plot the spectrum of the Ideal sample, that is plot S8(f) c. Let the sampling rate to be: fs 175 samples/sec. i. (30 points) Plot S8(f) ii. (10 points) Let...
4. Consider the following autonomous equation: 3/4 (4-2 -3)0 W Con Choose any value for t....
4. Consider the following autonomous equation: 3/4 (4-2 -3)0 W Con Choose any value for t. ay = (4 - 1)(y - 3)2 (a) (1 points) Find the equilibrium points ie (,2), (+,3) PER are equilibrium points .: Y= 2 43 (b) (4 points) Draw the phase line + 112 341-1-2-3 12-11- 2 0141214-21-3 Y 1200-121200562 34 20 20 YOOOOOOOOOOOOO -4 (c) (2 points) Classify the equilibrium points as stable, semistable, or unstable. The given equilibrium points are semistable (d)...
10 Ich *74) . CONSIDER THE FOLLOWING SYSTEM: 100 W/m 500 N/m. t>XH) mom 89 кл...
10 Ich *74) . CONSIDER THE FOLLOWING SYSTEM: 100 W/m 500 N/m. t>XH) mom 89 кл Н į X16)= om} 20 kg Is the 2* (o)= omiss (a) if f1t): = : 25 sin (2017) + 0.1 sin (20015+) N, . FIND THE STEADY STATE PART OF THE RESPONSE. (b) IF FCt) = 110N, FIND THE TRANSIENT PART OF THE RESPONSE. IF F(H) = 25 sin (w+), FIND THE VALUE OF W THAT RESULTS IN THE MAXIMUM STEADY STATE AMPLITUDE...
photos for each question are all in a row (1 point) In the following questions, use...
photos for each question are all in a row
(1 point) In the following questions, use the normal distribution to find a confidence interval for a difference in proportions pu - P2 given the relevant sample results. Give the best point estimate for p. - P2, the margin of error, and the confidence interval. Assume the results come from random samples. Give your answers to 4 decimal places. 300. Use 1. A 80% interval for pı - P2 given that...
As a digital retailer,how does alibaba provide value to Chinese consumers ? whit sets of values...
As a digital retailer,how does
alibaba provide value to Chinese consumers ? whit sets of values
are unique to the chinese market?
Given that alibaba does not own or distribute any of the
merchandise exchanged on its sites, describes what factors had to
develop for the company to succeed.
Analyze Alibaba's business model relative to all the different
forms of digital and online marketing covered in this chapter.
Can alibaba succeed in countries outside of China? Why or why
not?...
Question 7 The diagram depicts a digital filter that samples the continuous time input signal x(t) at 6 kHz. The digital is filter described by y(n) -x(n) + 0.8y(n -1) Find an expression for the steady state output if x(t) -3sin(2mft) with f 200 Hz? Hint: evaluate the filter's frequency response at the discrete time frequency corresponding to 200 Hz. (12 points) Anti-alias filter Sample A/D Digital Filter
Question2: (40 points]: Consider the system shown in the figure with the input signal xc(t) = 3 cos(100t) + 2 cos(200t), sampling frequency ws = 600 rad/s, and final filter cutoff frequency w1 = 400 rad/s. The filter has an impulse response given byha[n] = 8[n – 1] + 8[n] + 8[n + 1]. a) [10 points] Find and plot the signal Xa(ein) b) [10 points] Find and plot the signals Ya(ejn) and yo (jw) c) [10 points] Find and...
10. An input signal x(t) is processed by a filter with an amplitude | H(f) | and phase θ(f) response given below H(f) 90 70 50 30 10 10 θ(f) 25 -50 70 05 35 -3-252 -15105 0 05 115 2 25 3 35 -35-3-25-2-15-1-05 0 0.5 15 2 25 35 frequency (kHz) frequency (kHz) a) For x,(t)-2cos(22500t) find output signal ya(t) b) For x,(t) 4cos(27750t) find output signal yb(t) c) For x,(t)=2cos(2π500t) +4cos(2π750t) find output signal ye(t) d) For...
QUESTION 1 Characterise the following systems as being either causal on anticausal: yn)-ePyn-1)+u/n), where u/h) is the unit step and B is an arbitrary constant (B>0), Take y-1)-0. Answer with either causal or 'anticausal only QUESTION 2 For the following system: yn) -yn-1Va -x(n), for a 0.9, find y(10), assuming y(n) - o, for ns -1.Hint: find a closed form for yin) and use it to find the required output sample. (xin)-1 for n>-0) QUESTION 3 A filter has the...
3. a. For the filter below, find the output y[n] given the input x[n] 1+ sin(3Tn/8+T/4) H(el 0 2n-5m 19m 3 12 IT
just looking for #2, 3, and 4
Problems: 1. Consider the system shown below. Let the input signal to the Ideal Sampler to be: s(t) = 2 cos(2m50t) + 4cos(2m100t) a. (10 points) Determine S(f) and plot it b. (20 points) Let the sampling rate to be: fs 300 samples/sec. Plot the spectrum of the Ideal sample, that is plot S8(f) c. Let the sampling rate to be: fs 175 samples/sec. i. (30 points) Plot S8(f) ii. (10 points) Let...
4. Consider the following autonomous equation: 3/4 (4-2 -3)0 W Con Choose any value for t. ay = (4 - 1)(y - 3)2 (a) (1 points) Find the equilibrium points ie (,2), (+,3) PER are equilibrium points .: Y= 2 43 (b) (4 points) Draw the phase line + 112 341-1-2-3 12-11- 2 0141214-21-3 Y 1200-121200562 34 20 20 YOOOOOOOOOOOOO -4 (c) (2 points) Classify the equilibrium points as stable, semistable, or unstable. The given equilibrium points are semistable (d)...
10 Ich *74) . CONSIDER THE FOLLOWING SYSTEM: 100 W/m 500 N/m. t>XH) mom 89 кл Н į X16)= om} 20 kg Is the 2* (o)= omiss (a) if f1t): = : 25 sin (2017) + 0.1 sin (20015+) N, . FIND THE STEADY STATE PART OF THE RESPONSE. (b) IF FCt) = 110N, FIND THE TRANSIENT PART OF THE RESPONSE. IF F(H) = 25 sin (w+), FIND THE VALUE OF W THAT RESULTS IN THE MAXIMUM STEADY STATE AMPLITUDE...
photos for each question are all in a row
(1 point) In the following questions, use the normal distribution to find a confidence interval for a difference in proportions pu - P2 given the relevant sample results. Give the best point estimate for p. - P2, the margin of error, and the confidence interval. Assume the results come from random samples. Give your answers to 4 decimal places. 300. Use 1. A 80% interval for pı - P2 given that...
As a digital retailer,how does
alibaba provide value to Chinese consumers ? whit sets of values
are unique to the chinese market?
Given that alibaba does not own or distribute any of the
merchandise exchanged on its sites, describes what factors had to
develop for the company to succeed.
Analyze Alibaba's business model relative to all the different
forms of digital and online marketing covered in this chapter.
Can alibaba succeed in countries outside of China? Why or why
not?...
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