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779 HV 20 TA: info EE306 HW1 Problem 1 A discrete-time signal { [n]} is shown...
Hey I just need help on Problem 4 for the system (b-f) from Problem 2. Please explain steps by steps so I can understand properly, thanks EE306 Hwi Problem 1 A discrete-time signal (efnl) is shown in the figure below. Sketch and label carefally euch of the following signals. (a) (n-1).(oa-3) (d) (xinl) (Imm pulie Rerans e Problem 2 Plot the impulse response of each of the following systems. Make sure to specify the amplitude value of every sample. Use...
lig. 1 Problem 2) (20 points) A discrete-time signal x[n] is shown in Fig. 2. Sketch and label each of the following signals a) x[2n - 2] b) x[3n – 1] c) x[1 – n] d) x[-n - 1] x[n] -2 -1 0 1 2 1 4 n +-2 Fig. 2
Please Answer the following questions ASAP. Thanks! Transformations of independent variable 1. A discrete time signal is shown below. Sketch and carefully label x [2n 1 and xl-nlul-n1. 2. A continuous time signal x(t) is shown below. Sketch and carefully label x(t-1) and x(-t)-x(t)u(-t x(t) Even and Odd 3. Sketch x()Ev(sin(5mt)u(-t))for-1ts1 . Sketch the even and odd parts of signal x[n] in problem 1. Transformations of independent variable 1. A discrete time signal is shown below. Sketch and carefully label...
Plot the impulse response of each of the following systems. Make sure to specify the amplitude value of every sample. Use the symbols.. to signify that the impulse response remains constant until +oo or untiloo (b) S()) ncosn+1)nl) (d) s(fn))-2n (e)S((zln]))= {y[n]} where for each nez, y[n]= n], (f) S({rln))) = z. vw-kEvrl ifx[n]20 (vn) where for each n (System f is worth triple points.)
10) A discrete-time signal is shown in Figure2. Sketch and label carefully the signal x[n]u[3 - n] -3 -2 -1 0 1 2 3 4 5 n
Question 5 (a) The impulse response of a discrete-time filter is given as, hin) 0.56n-1] +n-2)0.56 n -3]. i. Derive the filter's frequency response; 11. Roughly sketch the filter's magnitude response for 0 ii. Is it a low-pass or high-pass filter? Ω 2m; (b) A continuous-time signal se(t) is converted into a discrete-time signal as shown below. s(t) is a unit impulse train. s(t) x,) Conversion into x(1) __→ⓧ一ㄅㄧ-discrete-time sequence ー→ xu [n] The frequency spectrum of ap (t) is...
4. Consider the following discrete-time signal: x[n 2 1 2 n → 1 -1 Carefully draw the following signals. Label the axes and amplitudes so the graph is unambiguous. (a) xa[n] = x[2n – 2]. (b) xh[n] = x[n] + x[n 1]u[-n] (c) x[n] = -x[-n]
a causal discrete time LTI system is implemented using the difference equation y(n)-0.5y(n-1)=x(n)+x(n-1) where x(n) is the input signal and y(n) the output signal. Find and sketch the impulse response of the system
Consider the discrete-time periodic signal n- 2 (a) Determine the Discrete-Time Fourier Series (DTFS) coefficients ak of X[n]. (b) Suppose that x[n] is the input to a discrete-time LTI system with impulse response hnuln - ]. Determine the Fourier series coefficients of the output yn. Hint: Recall that ejIn s an eigenfunction of an LTI system and that the response of the system to it is H(Q)ejfhn, where H(Q)-? h[n]e-jin
Please solve using the Discrete-Time Fourier Transform: Given a filter described by the difference equation y[n] = x[n] + 2x[n - 1] + x[n - 3] where x[n] is the input signal and y[n] is the output signal. a) Find H[n] the impulse response of the filter. b) Plot the impulse response c) Find the value of H( Ω) for the following values of Ω = 0, pi, pi/2, and pi/4