Calculate and draw impulse response for IIR filters:
I a) a1 =0,5; b)a1 =0,8; c) a1 =0,8; a2 =-0,6
II a) a1 =0,6; b)a1 =0,9; c) a1 =0,6; a2 =-0,5
Calculate and draw impulse response for IIR filters: I a) a1 =0,5; b)a1 =0,8; c) a1 =0,8; a2 =-0,6 II a) a1 =0,6; b)...
b) When designing a FIR filters, the impulse response of the ideal low-pass filter is usually modified by multiplying it by a windowing function such as the Hamming window which is defined, for an odd number N of samples, by: (2n)-(N-I)-ns(N-1) N-12 wlnl 0.54 + 0.46 cos i What are the advantages of windowing with this function compared 2 with a standard rectangular window? ii) Design a 10th Order Hamming windowed FIR low-pass filter with cut- off frequency at 1000...
a) The transfer function of an ideal low-pass filter is and its impulse response is where oc is the cut-off frequency i) Is hLP[n] a finite impulse response (FIR) filter or an infinite impulse response filter (IIR)? Explain your answer ii Is hLP[n] a causal or a non-causal filter? Explain your answer iii) If ae-0. IT, plot the magnitude responses for the following impulse responses b) i) Let the five impulse response samples of a causal FIR filter be given...
(a) Let P(B1∩B2)>0, and A1∪A2⊂B1∩B2. Then show that P(A1|B1).P(A2|B2)=P(A1|B2).P(A2|B1). (b) Let A and B1 be independent; similarly, let A and B2 be independent. Show that in this case, A and B1∪B2 are independent if and only if A and B1∩B2 are independent. (c) Given P(A) = 0.42,P(B) = 0.25, and P(A∩B) = 0.17, find (i)P(A∪B) ; (ii)P(A∩Bc) ; (iii)P(Ac∩Bc) ; (iv)P(Ac|Bc).
parts b, c, e ,f please or better do all if you can a) Distinguish between FIR filters and IIR filters b) Write short notes about type I Chebyshev, type II Chebyshev and Butterworth filters c) Determine frequency response of the filter H(z) d) Draw the structure of the IIR filter below. e) Explain frequency sampling as a method of filter design and state its limitation(s) f Given a Blackman window and a Hamming window, explain cases where each would...
1. By using an analog filter with a Butterworth response of order 3, design a digital IIR low pass filter with 3-db cutoff frequency 2c 0.6TT a) b) c) Evaluate the transfer function of the analog filter (10marks) Skecth the block diagram of transfer function (5 marks) Plot the magnitude response of the filters. (5marks) 1. By using an analog filter with a Butterworth response of order 3, design a digital IIR low pass filter with 3-db cutoff frequency 2c...
4. Consider a certain system defined by impulse response h(n) such that calculate the following: i. transfer function ii. magnitude response of the filter i phase response of the filter iv. sketch magnitude and phase response of the filter at intervals (π/10) radians (13 Marks) (3 Marks) (3 Marks) (6 Marks)
4. (2 marks) Determine (i) the Laplace transfer function, (ii) the impulse response function, and (ii) the input-output relationship (in the form of a linear constant-coefficient differential equation) for the causal LTI systems with the input-output pairs: a) x(t)-41(t) and y(t)-tu(t) + e-2tu(t). b) x() e2tu(t) andy(t)2u(t-4).
Problem 3. See the cascaded LTI system given in Fig. 3. w in Figure 3: Cascaded LTI system Let the z-transform of the impulse response of the first block be (z - a)(z -b)(z - c) H1(2) a) Find the impulse response of the first block, hi[n in terms of a, b, c, d. Is this an FIR and IIR system? Explain your reasoning b) Find a, b, c, so that the first block nullifies the input signal c) Let...
a. b. c. d. An IIR filter has the difference equation: y'n Select the correct transfer function for this system from the selections below. 2+1.2 No transfer function exists for this system. H(0.5+1.2Y(2)21 2+0.5 H(2)220.5z +1.2 An IIR filter has the transfer function: H(z) 22 +0.92-0.14 Select the correct impulse response for this system from the selections below hn 2(0.2)n-1un - 1] - 2(0.7)n-uln - 1 -hin] = 2(-0.2)"u[n]-2(-0.7)"u[n] hin] = 2(-0.2)"-iuln-11-2(-0.7)"-1 u[n-1] No impulse response exists for this system....
a) Define i) impulse ii) acceleration b) Differentiate between density and relative density. c) A bottle has a mass of 50g when empty and 112g when filled with water. When filled with fluid L, the mass is 90 g. What is the relative density of the liguid,L? d) A student athlete of mass 62 kg participated in 200m race on sports day. During the competition, the student accelerates out of the starting block to a top speed of 14m/s in...