Question

In: Electrical Engineering

Determine where the system is 1) linear 2) causal 3) stable and 4) time-invariant. a)y(n)= nx(n)...

Determine where the system is 1) linear 2) causal 3) stable and 4) time-invariant. a)y(n)= nx(n) b) y(n)=x square(n)

Solutions

Expert Solution


Related Solutions

1. is sin(pi/4) causal? 2. is sin(pi/4) stable? 3. is delta(n+1) causal? 4.  = ? 5. If...
1. is sin(pi/4) causal? 2. is sin(pi/4) stable? 3. is delta(n+1) causal? 4.  = ? 5. If function w [ n ] is convolved with , what will the result be? 6. if a system with signal length 4 is convolved with its own system response, what will the length of that signal be? 7. In an LTI system, x[n] * h[n]= y[n]. What is x[n-3] * h[n-2] =?
Using MATLAB, determine whether the system below are a) linear/non-linear b) time-invariant/timevariant, c) causal/noncausal, d) has...
Using MATLAB, determine whether the system below are a) linear/non-linear b) time-invariant/timevariant, c) causal/noncausal, d) has memory/memoryless: y(t) = x(t) + x(t -1) Provide MATLAB code and graphs to show your work for the linearity and time-invariance testing.
Consider the first order linear time-invariant (LTI) system given by, ??(?) ?? + 4?(?) = ?(?)...
Consider the first order linear time-invariant (LTI) system given by, ??(?) ?? + 4?(?) = ?(?) Where the system is initially at rest. Part a: Determine the Frequency Response H(jω) and impulse response h(t). Part b: When the input ?(?) = ?23?(?), determine the output of the system ?(?). Part c: Is the system; memoryless? causal? Stable? please justify your answer
Determine whether it is linear or nonlinear system: 1. y(t) = 3 + x(2t) 2. y(t)...
Determine whether it is linear or nonlinear system: 1. y(t) = 3 + x(2t) 2. y(t) = x(4t) 3. y(t) = -4t[x(2t)] 4. y(t) = e^2[x(2t)] 5. y(t) = x^5(t) 6. y(t) = cost[x(2t)]
Determine whether each system is LTI, causal and/or stable and with or without memory. Justify answers....
Determine whether each system is LTI, causal and/or stable and with or without memory. Justify answers. a) y[n + 1] + 4y[n] = 3x[n + 1] - x[n] b) y[n] = nx[2n]
Determine whether each system is LTI, causal and/or stable and with or without memory. Justify answers....
Determine whether each system is LTI, causal and/or stable and with or without memory. Justify answers. a) y(t) =sen(x(t)) b) y(t) = dx/dt + x(t)
1. Determine forced and natural response for the following equation, where y[-1] =1, y[-2]=1 and x[n]...
1. Determine forced and natural response for the following equation, where y[-1] =1, y[-2]=1 and x[n] = delta[n]. y[n]+1/2 y[n-1] -1/4 y[n-2] = x[n] 2. find the impulse response of the system described below y[n]=1/2 y[n-1] + 2x[n]  
Consider the linear time invariant system described by the transfer function G(s) given below. Find the...
Consider the linear time invariant system described by the transfer function G(s) given below. Find the steady-state response of this system for two cases: G(s) = X(s)/F(s) = (s+2)/(3(s^2)+6s+24) when the input is f(t) = 5sin(2t) and f(t) = 5sin(2t) + 3sin(2sqrt(3)t)
A discrete system is described by the difference equation y(n)= 2.5y(n-1)-y(n-2)+3x(n)+3x(n-2) a. Using Z-transform, Determine all...
A discrete system is described by the difference equation y(n)= 2.5y(n-1)-y(n-2)+3x(n)+3x(n-2) a. Using Z-transform, Determine all possible impulse responses h(n) and indicate the casuality and stability properties.                                                                                                b.For the casual filter, determine the output y(n) if the input is x(n)=g(n)-2g(n-1) where g(n)=cos (pin/s)u(n).
Consider the following discrete-time system: y[n] = 100 x[n] cos(0.45πn + 0.5π) (a) Determine if the...
Consider the following discrete-time system: y[n] = 100 x[n] cos(0.45πn + 0.5π) (a) Determine if the system is linear, time-invariant, causal and stable. Justify your answers. (b) Find the impulse response h[n] for the system and sketch the waveform. (c) Draw the system block diagram using adder, multiplier and delay elements.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT