Please give me detailed solutions step by step, I am just trying to learn, thank you so much in advance! 2016
Please give me detailed solutions step by step, I am just trying to learn, thank you...
please write clearly since I am reading from my phone UUUU - Opel Wouyla vues EPAPIs aragon Problem 5: Find the z-transform then deduce the Fourier transform of the following signals: (a) x[n] = -a"u-n-1), a ER. (b) x[n] = u[n] - u[n - N). where u is the unit step sequence defined as un = 1, if n > 0 . Problem 6: Find the Fourier transform of the following signals: ſi, if |t| <a as uln) = {...
(a) (i) What is the relationship between DTFT (Discrete Fourier Transform) and the z- Transform?! (ii) x[n] = a[n-M + 1].u[-n] 1. Sketch x[n]. 2. Find the 2-transform X(z) of x[n]. 3. Find the DTFT X(w) of x[n]. 4. Sketch |X(w) vs w. Indicate all the important values on your diagram.
Q.3) 120 Marks] [8 Marks] Determine the DTFT of the following DT signals i) x[n] = (0.5)" [u[n]-n(n-3)) a) ii) ? [n] = n (0.5)" u[n-2] b) [8 Marks] Consider the following CTFT pair: jw x(t) ?? (-v^2 + 5 i) e -/00t x(t) 6) using the CTFT properties determine the Fourier transform (CTFT) of: i x(3t-6) e) [4 Marks] Prove the Parseval's relationship for a CT signal x e
HI, PLEASE ANSWER ALL PARTS AND PLEASE SHOW ALL WORKINGS STEP BY STEP. THANK YOU. Question 1: a) Show from first principles that the Laplace transform of the function f(n)=1, 120 is f(s) = Make a note of any conditions imposed on the transform variable "s" to ensure the transform exists. (8 Marks) b) Find, using the appropriate theorem, the Laplace transform of a function f(t); b) f(t) = t.sin(56) OR ii) f(t) = 5 sin 2(t - 3). H(t...
HI, PLEASE ANSWER ALL PARTS AND PLEASE SHOW ALL WORKINGS STEP BY STEP. THANK YOU. a) Draw the block diagram representation of the discrete-time system Yk+2+ Yk+1 +0.5yk = Ux (8 Marks) b) Find the impulse response of the system with the z transfer function; Z G(z) = 22 + 3z + 2 c) Use z-transforms to solve the following difference equation; 6Yk+2 + Yk+1 - Yx = 3 subject to yo = y1 = 0
3. For each of the following discrete-time sequences: (i) Find the Z-transform (ZT), if it exists, and plot the region of convergence (ROC) in the Z-plane (ii) Find the poles and zeros and plot them in the 2-plane (iii) Determine whether the DTFT of the sequence exists (a) x[n] = 8[n – 1] + 28[n – 3] (b) [n] = (0.9e-j*)" u[n + 2] – 2-ul-n - 1] (c) x[n] = 2-" un + 1]
Hi, can you solve the question for me step by step, I will rate up if the working is correct. I will post the answer together with the question. Answer: Question 1 (a) By using implicit differentiation, find dyldx for the curve at the point (0,1). (4 marks) (b) Using the substitution u = sin x, evaluate the integral cos x dx (1- sin x)(2 +sin x) (5 marks) 1+iV3 (c) Evaluate z = in polar form, and hence simplify...
Hello, Experts! Tomorrow i have a final examination, so please giving me a hand to solve this question. Here is my question. Thank you so much!! Question 1: (25 marks) The continuos time signal Xa(t) has the Fourier transform shsown in the Figure Q.1. Xa(t) then is sampled with the sampling frequencies f, to get the discrete time signal xa(n). Sketch Xa(o), the DTFT of xa(n), for different sampling frequencies 4kHz; 2kHz, and 1kHz. D.What is the minimum sampling rate...
Hello, could you please solve it step by step. Thank you! define jauch that j*=-1 6. For queation 6 we (a) Let z 2 5j and w = 5+j4. Determine the following [2 marka 3 marks 111 6 marka (b) Let z 1+3j. z in exponential form (i Expreaa [2 marka (ii) Find z5 in rectangular form a + jb [3 marka Find all the roote of Vz 111 [4 marks
Please help me with e. Thank you! 1. Determine the z-transform of each of the following signals using Z-transform and find its RoC x[n] = u[n + 2]-u[n-5] a, τη , π