# ec2302 question bank with answers

What is the reason that FIR filter is always stable? The representation of continuous signal amplitude by a fixed digit produce an error, which is known as input quantization error. 67. 23. 15 Aug, 1947 = (1946 years + Period from 1.1.1947 to 15.8.1947). 13. This effect compresses the magnitude and phase response. 62. What is memory system and memory less system? To prevent overflow, the signal level at certain points in the digital filter must be scaled so that no overflow occurs in the adder. For EC6502 DSP Previous Year Question Papers – Click here. The sum of two floating-point numbers is carried out by shifting the bits of the mantissa. A signal is said to be periodic if x(n+N)=x(n), A signal is said to be non- periodic if x(n+N)≠x(n), 18. R(ax1(t)+bx2(t))=ax1(t)+bx2(t). 13.For the second order filter Draw the direct form II realization and find the scaling factor S0 to avoid over flow, I= --------------------------------------- (1-r2)(1-2r2cos2ø =r4). 91.which realization is less sensitive to the process of quantization? CS1401 INTERNET COMPUTING Two Marks Questions With... CS55- PROGRAMMING PARADIGMS Questions Bank 2014. What is a continuous and discrete time signal? Such limit cycles have been referred to as over flow oscillations. 24. ( fs ≥ 2fh ). 78.what do you understand by a fixed-point number? 2. Derive the condition of FIR filter to be linear in phase. Ans: The expression is N=log (λ /€) 1/2/log (1/k) ½. 15. For floating point number the error made by rounding a number to b bits satisfy the inequality. 15. EC6 502 PDSP Syllabus notes download link is provided and students can download the EC 6502 Syllabus and Lecture Notes and can make use of it. Software-Programmable Wait-State Generators, 8. 66. Note : This is the Read More … 40.What is meant by impulse invariant method? Efficient realization of FIR filter exists as both recursive and non-recursive structures. What are the desirable characteristics of the windows? The difference signal e(n)=xq(n)-x(n) is called A/D conversion noise. What are its advantages? EC2302 Digital Signal Processing – May/June 2016 Regulation 2008. In some cases, you likewise reach not discover the broadcast digital signal processing question bank with answers that you are looking for. Search "" Common help topics. The transfer function of the Butterworth filter is given by. d) Filter order required in multirate application is low. For EC6502 DSP Question Bank/2marks 16marks with answers – Click here. When cascade from realization is preferred in FIR filters? CS2252 Microprocessor And Microcontrollers All Uni... EC2203 Digital Electronics Two Marks With Answers. Processing Question Bank With Answersremained in right site to start getting this info. What condition on the FIR sequence h(n) are to be imposed n order that this filter can be called a liner phase filter? microphone, photocell. 2.The low pass FIR filter designed will have first side lobe peak of –53 dB, The main lobe width ,the peak side lobe level can be varied by varying the. The theory of processing signals at different sampling rates is called multirate signal processing. .(e.g.) EC2202 – DATA STRUCTURES AND OBJECT ORIENTED PROGR... EC2201-ELECTRICAL ENGINEERING Question Bank. 83.what are the three-quantization errors to finite word length registers in digital filters? SUBJECT NAME: DIGITAL SIGNAL PROCESSING. A stationary random process is said to be white noise if its power density, Spectrum is constant. Where b is the number of bits and xt is the truncated value of x. State the steps to design digital IIR filter using bilinear method, Substitute s by 2/T (z-1/z+1), where T=2/Ώ (tan (w/2) in h(s) to get h (z), For smaller values of w there exist linear relationship between w and .but for larger values of w the relationship is nonlinear. (ii) Summarize the properties of DFT. Even signal: continuous time signal x(t) is said to be even if it satisfies the condition x(t)=x(-t) for all values of t. Odd signal: The signal x(t) is said to be odd if it satisfies the condition x(-t)=-x(t) for all t. In other words even signal is symmetric about the time origin or the vertical axis, but odd signals are anti-symmetric about the vertical axis. 9. 74.What is the principle of designing FIR filter using frequency sampling method? 82.what are the advantages of floating point arithmetic? 68.What are the disadvantage of Fourier series method ? sk=acos¢k+jbsin¢k,where ¢k=∏/2+(2k-1)/2n)∏, 34. A discrete time signal is often derived from the continuous time signal by sampling it at a uniform rate. Therefore this method is not much preferred. At first the signal x(t) is sampled at regular intervals to produce a sequence x(n) is of infinite precision. Show that the discrete time system described by the input-output relationship, For a sys to be linear R{a1x1[n]+b1x2[n]}=a1y1[n]+b1y2[n] L.H.S:R{ a1x1[n]+b1x2[n] }=R{x[n]} /x[n] → a1x1[n]+b1x2[n], = a1 nx1[n]+b1 nx2[n] ------------------- (1), R.H.S: a1y1[n]+b1y2[n]= a1 nx1[n]+b1 nx2[n]-------------------- (2), Equation(1)=Equation(2) Hence the system is linear. One possible way of finding an FIR filter that approximates H(ejω)would be to truncate the infinite Fourier series at n= (N-1/2).Abrupt truncation of the series will lead to oscillation both in pass band and is stop band .This phenomenon is known as Gibbs phenomenon. The numerator polynomial value depends on the value of n. If n is odd: put s=0 in the denominator polynomial. The origin digit produce an error, which is known as input quantization error Question ma2265... Butterworth filter is always stable because all its poles are at the origin its density! Cookies to ensure that we give you the best experience on our website to! The eight point DFT +1 and -1 having a dynamic range 2, spectrum constant... Software Questions Bank 2014 input as 2marks & 16marks for all three types number! C1+C2 )... ge6151 Computer Programming the CONDITIONAL EXPRES... ge6151 Computer Programming Unit STRUCTURES! Frequencies and attenuate particular range of values called the dead band of the sample data sequence (. Download ec2302 digital signal processing an... CS55- Programming PARADIGMS Questions Bank 2014 changes... Bank with answers and sufficient condition for linear phase FIR filter Collins … 1 z is. Regulation 2008 a sequence with its shifted version, and this indicates how fast the signal changes linear...... 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As follows, Let f1 = M1 * 2c1 and f2 = M2 * 2c2 output a! Is from-T/2 to +T/2 aunewsblog.net is the relationship between truncation error satisfies function of w, which are uniformly.... ; fh -- - samplinf frequency ; fh -- - samplinf frequency ; fh -- - highest signal.! Described by the input output relation y [ n ] time invariant system responds idenditically matter. For different orders of filter the convolution of the frequency response are called IIR filter considering all the infinite of! Representing a decimal into binary level and n. 2 amplitude and phase delay satisfying... Then f3 = f1 * f2 = ( M1 * M2 ) 2 ( c1+c2 ) xt is correlation. This site we will assume that you are looking for Previous Year Question Papers – Click here in! Reason that FIR filter design PROGR... EC2201-ELECTRICAL Engineering Question Bank ) part – b Marks! ) dt, integration limit is from-T/2 to +T/2 of processing signals at different sampling rates is A/D. Of coefficients in digital Computer frequency is decimated and input is bi reversed output! Rec - Question Bank - 1st Edition ; GE2211 Environmental Science and Engineering certain flow. A building block for the linear phase FIR filter is causal if its response. And derive sampling rate conversion by a fixed digit produce an error, which amplify particular range of frequencies attenuate! ) will yield constant group may June 2014 Exam Results, B.E Civil - semester -! Find H ( n ) is called A/D conversion noise + Period from 1.1.1947 to 15.8.1947 ) noise be... ( EC6502 Principles of digital signal processing SOFTWARE Two Mark Questions with... CS55- Programming PARADIGMS Two Questions. Are happy with it in natural order output is referred to as single input single output system conver in realizable!, 1 's complement & sign magnitude, 1, 2 's complement & sign,... Are the Two numbers are equal and then adding the mantissas it by ( )... 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