Homework Answers
A shift invariant system is the discrete equivalent of a time-invariant system, defined such that if y(n) is the response of the system to x(n), then y(n-k) is the response of the system to x(n-k).
Answer:
Option(a),do not change with time
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A system will be shift-invariant if its properties or characteristics: O Do not change with time...
Determine which of these properties (Memoryless, Time invariant, Linear, Causal, and Stable) hold and which do...
Determine which of these properties (Memoryless, Time invariant, Linear, Causal, and Stable) hold and which do not hold for each of the continuous-time system, y[n] = x [4n + 1]. Justify your answers. y(t) denotes the system output and x(t) is the system input
3. Design a stable Continuous-time Linear time-invariant system H with all of the following three properties:...
3. Design a stable Continuous-time Linear time-invariant system H with all of the following three properties: . The impulse response h(t) has the form h(t) = A8(t) + Be-2 u(t) where A and B are real-valued constants, The angle of H(jw) has the following straight-line approximation ZH(jw) (rad) -7/2 -71 mtmw log scale] 10 100 1000 If the input o(t) is 1 for all time, then the output y(t) is 1 for all time. Determine the system function H(s) that...
8 The transfer function of a linear time invariant system is given as G(s) = 10/(S2...
8 The transfer function of a linear time invariant system is given as G(s) = 10/(S2 + 10s + 10). The steady state value of the output of the system for step input (R(s) = 1/s^2) will be: DS (3 Points) 100 0.1 O infinity None of them 0.01 1 10
digital signal processing Question 3 2.5 pts What are the properties of a Linear Time-Invariant (LTI)...
digital signal processing
Question 3 2.5 pts What are the properties of a Linear Time-Invariant (LTI) system? HTML Editor
Consider a linear, time-invariant system with an input given by X(T) = A, sin(Wit) where w,...
Consider a linear, time-invariant system with an input given by X(T) = A, sin(Wit) where w, is a specific frequency. The system has a frequency response given by the amplitude ratio (magnitude ratio) as a function of the frequency, Mw), and the phase difference as a function of frequency, °W). Write an expression for the corresponding output in terms of the input amplitude, A1, the input frequency, W1, the amplitude ratio, and the phase difference.
The system y[n]= x[n] +8x[n + 1]+x[n +2] is O With memory. Causal, Time-varying and Linear...
The system y[n]= x[n] +8x[n + 1]+x[n +2] is O With memory. Causal, Time-varying and Linear With memory, None Causal, Time-varying and Linear With memory, None Causal, Time-invariant and Linear Memmoryless, None Causal, Time-invariant and Linear With memory, None Causal, Time-invariant and None Linear
The system y[n]= x[n] +8x[n + 1]+x[n +2] is O With memory. Causal, Time-varying and Linear With memory, None Causal, Time-varying and Linear With memory, None Causal, Time-invariant and Linear Memmoryless, None Causal, Time-invariant and Linear...
Q.5 (a) Show that a linear, time-invariant, discrete-time system is stable in the bounded- input bounded-output...
Q.5 (a) Show that a linear, time-invariant, discrete-time system is stable in the bounded- input bounded-output sense if, and only if the unit sample response of the system, h[n], is absolutely summable, that is, Alfa]]<00 | [n]| < do ***** (13 marks] (b) Consider a linear, time-invariant discrete-time system with unit sample response, hin), given by hin] = a[n] – đặn – 3 where [n] is the unit sample sequence. (1) Is the system stable in the bounded-input bounded-output sense?...
Change the frequency to 50kHz. Only do the first part to find the -45° shift. What...
Change the frequency to 50kHz. Only do the first part to find
the -45° shift. What is the value of I that results in a -45° phase
shift?
Choose correct answer from the following:
a. 69.68E-6
b. 771.88E-6
c. 74.03E-6
d. 76.25E-6
e. 78.54E-6
f. 80.90E-6
g. 83.32E-6
h. 85.82E-6
SIM *4.53 In the circuit shown in Fig. P4.53, is a de current and v, is a sinusoidal signal with small amplitude (less than 10 mV) and a frequency of...
Consider a linear time-invariant system with impulse response hin (-1, n o 2, n 1 h[n]--1,...
Consider a linear time-invariant system with impulse response hin (-1, n o 2, n 1 h[n]--1, n=2 0, otherwise (a) Determine the system frequency response H(e"). Then compute the magnitude and (b) Does the system have a linear phase? Briefly explain your answer. (2 marks) (c) Compute the system output yin] for all values of n if the input r[n] has the form of: phase of H(e (6 marks) 1,n=1 2, n 2 n3, n 3 4, n-4 0, otherwise...
answer question 4 opts Select all characteristics of microstructure that affect Materials properties Grain Size Crystal...
answer question 4
opts Select all characteristics of microstructure that affect Materials properties Grain Size Crystal Structure Crysal Defects None of the above Question 4 6 pts Atle line is a constant temperature line in the phase diagram that connects two single phases adjacent to a two phase region O two regions adjacent to a single phase region A single phase and a two phase region None of the above Question 5 6 pts Select all mechanical properties Wear resistance...
3. Design a stable Continuous-time Linear time-invariant system H with all of the following three properties: . The impulse response h(t) has the form h(t) = A8(t) + Be-2 u(t) where A and B are real-valued constants, The angle of H(jw) has the following straight-line approximation ZH(jw) (rad) -7/2 -71 mtmw log scale] 10 100 1000 If the input o(t) is 1 for all time, then the output y(t) is 1 for all time. Determine the system function H(s) that...
8 The transfer function of a linear time invariant system is given as G(s) = 10/(S2 + 10s + 10). The steady state value of the output of the system for step input (R(s) = 1/s^2) will be: DS (3 Points) 100 0.1 O infinity None of them 0.01 1 10
digital signal processing
Question 3 2.5 pts What are the properties of a Linear Time-Invariant (LTI) system? HTML Editor
Consider a linear, time-invariant system with an input given by X(T) = A, sin(Wit) where w, is a specific frequency. The system has a frequency response given by the amplitude ratio (magnitude ratio) as a function of the frequency, Mw), and the phase difference as a function of frequency, °W). Write an expression for the corresponding output in terms of the input amplitude, A1, the input frequency, W1, the amplitude ratio, and the phase difference.
The system y[n]= x[n] +8x[n + 1]+x[n +2] is O With memory. Causal, Time-varying and Linear With memory, None Causal, Time-varying and Linear With memory, None Causal, Time-invariant and Linear Memmoryless, None Causal, Time-invariant and Linear With memory, None Causal, Time-invariant and None Linear
The system y[n]= x[n] +8x[n + 1]+x[n +2] is O With memory. Causal, Time-varying and Linear With memory, None Causal, Time-varying and Linear With memory, None Causal, Time-invariant and Linear Memmoryless, None Causal, Time-invariant and Linear...
Q.5 (a) Show that a linear, time-invariant, discrete-time system is stable in the bounded- input bounded-output sense if, and only if the unit sample response of the system, h[n], is absolutely summable, that is, Alfa]]<00 | [n]| < do ***** (13 marks] (b) Consider a linear, time-invariant discrete-time system with unit sample response, hin), given by hin] = a[n] – đặn – 3 where [n] is the unit sample sequence. (1) Is the system stable in the bounded-input bounded-output sense?...
Change the frequency to 50kHz. Only do the first part to find
the -45° shift. What is the value of I that results in a -45° phase
shift?
Choose correct answer from the following:
a. 69.68E-6
b. 771.88E-6
c. 74.03E-6
d. 76.25E-6
e. 78.54E-6
f. 80.90E-6
g. 83.32E-6
h. 85.82E-6
SIM *4.53 In the circuit shown in Fig. P4.53, is a de current and v, is a sinusoidal signal with small amplitude (less than 10 mV) and a frequency of...
Consider a linear time-invariant system with impulse response hin (-1, n o 2, n 1 h[n]--1, n=2 0, otherwise (a) Determine the system frequency response H(e"). Then compute the magnitude and (b) Does the system have a linear phase? Briefly explain your answer. (2 marks) (c) Compute the system output yin] for all values of n if the input r[n] has the form of: phase of H(e (6 marks) 1,n=1 2, n 2 n3, n 3 4, n-4 0, otherwise...
answer question 4
opts Select all characteristics of microstructure that affect Materials properties Grain Size Crystal Structure Crysal Defects None of the above Question 4 6 pts Atle line is a constant temperature line in the phase diagram that connects two single phases adjacent to a two phase region O two regions adjacent to a single phase region A single phase and a two phase region None of the above Question 5 6 pts Select all mechanical properties Wear resistance...
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