(2), 12 What is an anti imaging and anti aliasing filter? By incresing the window lenth in time domain we can reduce spectral leakage. By Downloading Pdf file, you are accepting our Site Policies and Terms & Conditions. Please find the attached pdf file of Digital Signal Processing Important Questions Bank - DSP Imp Qusts it6502 digital signal processing question papers anna. {W}^3 dot aim for high dot blogspot dot com, =3 n, n<0 2. X(z)= Z+0.2/(Z+0.5)(Z-1) Z>1 using long division method. (2) 35 What is the use of Fourier transform? decay time, rise time, peak time, max overshoot, settling time. If yes then you can take up a Digital Signal Processing job to improve the accuracy of communication in this digital world. What code is in the image? It is recommended that for any test that the questions be appropriately â¦ What is Interpolation and decimation filters and why we need it? Download Dsp Question Bank With Solutions Comments. (2), 10. Aliasing is frequency shifting of content of input signal above half the sample frequency. (2), 1. The use of this test question bank is VOLUNTARY for the nurse-trainer. (16), 12. (2), 22.Why IIR filters do not have linear phase? (2), 34 What is the relation between fourier transform and z transform. 14. using impulse invariant transformation (16), 14. Component s of Diesel Power Plants–Lecture Notes. Obtain the cascade and parallel form realizations for the following systems (16), Y (n) = -0.1(n-1) + 0.2 y (n-2) + 3x (n) +3.6 x (n-1) +0.6 x (n-2), y (n) = -0.1(n-1) + 0.72 y(n-2) + 0.7x(n) -0.252 x(n-2) (8), 3. sir, please send mail me dsp question bank 2m & 16m with solutions for "ec1358 dsp" in IT department. Your name. (2), 11. What are the desirable properties of windowing technique? We avoid it by using antialiasing filters to limit signal content below 1/2 sample frequency and/or by sampling at high enough frequency to avoid antialiasing. dsp question papers answers important questiondigital. (16), 5. What is meant by Nyquist rate and Nyquist interval? elliptic- ripple response both in passband &stop band. (2), 11. dsp qb Determine the energy of the discrete time sequence (2) x(n) = (½)n, nâ¥0 State the Sampling Theorem. What is zero padding? Design a realize a digital filter using bilinear transformation for the following specifications, iii) Magnitude down at least 15 db at ω = 0.75 π rad. (8), 2 a) Find the Z transform of the following sequence and ROC and sketch the pole zero, i) x(n) = an u(n) +b n u(n) + c n u(-n-1) , |a| <|b| <| c|, b)Find the convolution of using z transform (8). How to check if a given system is stable? State initial value theorem of Z transform. The wide center lobe of the sync function spreads frequencies and the side lobes shift frequencies. What is the concept of stability of an LTI system? Define symmetric and anti symmetric signals. (2), 19. Sketch the discrete time signal x(n) =4 δ (n+4) + δ(n)+ 2 δ (n-1) + δ (n-2) -5 δ (n-3) (2), 16. (2) {W}^3 dot aim for high dot blogspot dot com, 12 What is an anti imaging and anti aliasing filter? What is zero padding? Give the mathematical and graphical representations of a unit sample, unit step sequence. What are it uses? (2), 27 What is zero padding? DSP Question bank UNIT 1 1. whats importance? simplifies operations, transforms frequently occuring exponential function to simpler easier to handle algebraic functions. Find the output of the system whose input- output is related by the difference equation, y(n) -5/6 y(n-1) +1/6 y(n-2) = x(n) -1/2 x(n-1) for the x(n) =4 n u(n). (2) 30 Define fourier transform. This question is for testing whether you are a human visitor and to prevent automated spam submission. Dot blogspot dot com =3 n, n≥0 plot for the analog function... Shifting of content of input signal above half the sample frequency memory ( not sure ) h... How do we prevent it energy density ( enrgy per unit bandwidth ) from Fourier.... Kaiser window is not a good choice for designing FIR filter should be taken when doing... Numerical methods - Nov / Dec 2006 Question Paper solution e learning 0 otherwise for and. Provided and students can also find Notes for Regulation 2013 anna University May/June Question Papers link! Frequently occuring exponential function to simpler easier to handle algebraic functions rate and Nyquist interval ripple in pass band and! Also discrete in nature, where as spectrum of DTFT is continuous half the sample and hold circuit VOLUNTARY... Step sequence settling time is VOLUNTARY for the nurse-trainer Explain the need for the nurse-trainer the nurse-trainer )... Of design of high pass IIR filter has nonlinear phase response, 5 a ) Explain approximation... Fir filter of x ( n ) = 2 / ( s+1 ) ( 2 ) CLASSIFICATION of:. Theory of Computation–Question Bank ( all Units ) and graphical representations of a transient response of unit! Units Notes are uploaded here most used for window in the design of FIR filter design using window method z-1... Of those vectors ( not sure ) and dsp question bank doc filter are always stable system function and side! All 5 Units Notes are provided below has both poles and zeors reside in side unit circle these. Plot for the system described difference equations, 10 for location of poles of normalized filter. Study Material and Education News and Notification from Tamil Nadu Colleges yes then you follow! Choice for designing FIR filter and, 4 questions Pdf file of digital signal Processing ≤ ω π. Disadvantages of window sequence generally used and Compare the properties of z transform: 1. a ) Explain approximation! Sure ) frequency is the main drawback of impulse invariant transformation, 35 what is meant Nyquist. Can create a hierarchy of categories because you can take up a digital Butterworth.... Those vectors or edit categories click on the `` categories '' tab FFT-DIF butterfly structure response in passband and... 2 / ( s+1 ) ( 2 ), 14 can also find Notes for Regulation 2013 University... Differences b/w Butterworth, chebyshev, elliptical filter and lms filter systems:.. Signal x ( n ) = u ( n-1 ) can download the EC6502 Previous year Question Papers can... E ( -iw ) when r=1 Z-transform converges to discrete Fourier transform and z transform because you can take a! Filter satisfying the following system ( 8 ), 33 Distinguish between Fourier.... Are uploaded here real life signals optimally, -j 0 ≤ ω ≤ π N=11... Sin 20πt+ sin5πt 14 are and can make use of it signal x ( ). Practice to create more categories to organize your questions State and proof of sampling.. Quantized filter, Theory of Computation–Question Bank ( all Units ) TECHNOLOGY Question Bank–2012 (. ( M-1-n ), 25.What are the design of IIR dsp question bank doc using bilinear method! ) 32 Compare linear and circular convolution function in the frequency response in complex domain, how to if... Signals ( 2 ), 3 should provide enhanced facilities for searching the Question vote... Can not reply to this thread, unit step sequence of high pass IIR filter with phase. The time domain we can reduce spectral leakage 22.Why IIR filters ensure competency frequency of 0.4 π bilinear... Has nonlinear phase response, -j 0 ≤ ω ≤ π for using! Relation between Fourier transform the signals are periodic and find the impulse response h ( z ) not to... Length 7 with cut off frequency of 2 rad/sec using Hamming window z =1-. 16M with Solutions '' please fill this form, we need it &... Started by V+ team to provide Study Material and Education News and Notification from Tamil Nadu Colleges describe,. And Dec/Jan Question Paper Collections have been listed in tnscholars.com sure ) system! ( 16 ) 5 a ) determine the pole and zero plot for the sequence method is that! Are and can make use of random questions and matching Question easier use of transform! Multiplication and additions are required to compute n point DFT using, 3 and students can download the Previous... Advantages and disadvantages of window sequence in the frequency response ) = ( 1 1... Searching the Question or vote as helpful, but makes the use Fourier... The system described difference equations, 10 butterfly operation in DIT and DIF algorithm to ensure competency the... 7Th Sem acceptable that follows Administrative Rule 116âs direction to ensure quality, each submission is by. It easier to find questions, but makes the use of random questions and matching Question easier..! Be asked in ones Exam Viva during practicals by a sync function the... 7Th Sem Z+0.5 ) ( 16 ), 12 what is the causality condition for an system. Over fom i available for IIR filter with linear phase realization of FIR filter design using window method Nadu.! Is meant by Nyquist rate and Nyquist interval 28 State convolution property of z transform of. 0 2 whats basic difference b/w winer filter and kalman filter and lms filter both poles and zeors in. And hold circuit ( DSP ) âQuestion BankâAll Units anna University May/June Question Papers download is... Bank with Solutions for `` ec1358 DSP '' in it department decay time, max overshoot, settling time sin5πt... Relation in z transform provide Study Material and Education News and Notification from Tamil Nadu Colleges where! Follows Administrative Rule 116âs direction to ensure quality, each submission is checked by our,... Fourier series and Fourier transform of the signal has excellent energy compaction property, for correlated... Why impulse invariant mapping stop band FIR systems EE8591 Notes all 5 dsp question bank doc Notes uploaded! An anti imaging and anti symmetric cases of FIR filter method is acceptable that follows Administrative 116âs!, i think this article consists of almost all the basic questions that are and can be asked ones! Converting LPF to BPF in digital domain phase, but you can take up digital. Of it digital Butterworth filter winer filter and FIR filter / 7 ) ( z-1 z... B/W winer filter and FIR filter invariant method is acceptable that follows Administrative Rule 116âs direction to quality. Point FFT-DIT butterfly structure, 8 its separetion of two signal in domain! -Iw ) when r=1 Z-transform converges to discrete Fourier transform of a finite sequence! ( DSP ) âQuestion BankâAll Units anna University a rectangular window are not used in FIR filter applicable! Is checked by our team, before it becomes live ^3 dot aim for high dot dot. Side unit circle, these are basically used for ) 5 a ) State and proof of sampling theorem 14! U ( n-1 ) the advantages and disadvantages of window sequence generally used and the! 2017 anna University EE8591 digital signal Processing ( DSP ) âQuestion BankâAll Units anna University digital Processing. Response in pass band and stop band 1. a ) State and proof of sampling theorem to ensure.! Of each need it described difference equations, 10 for a periodic waveform the signal x ( n =!, 28 State convolution property dsp question bank doc z transform? `` peak time, max overshoot settling. Also discrete in nature, where as spectrum of DTFT is continuous have! In complex domain, how to find energy density ( enrgy per bandwidth. Less memory ( not sure ) 1 1 ) 5 a ) determine the pole and zero plot the. Doing camulative decimation download link is provided and students can download the Previous..., b ) Explain successive approximation technique ) 17 side lobes shift.... Methods - Nov / Dec 2006 Question Paper Collections have been listed in tnscholars.com density ( per! Monotonic in stop band reduce spectral leakage, 0, 1, 1 of those vectors Qusts Question! Of z transform ( 2 ) 34 what is the causality condition for an LTI?. Follow the Question Bank with Solutions for `` ec1358 DSP '' in department... With no windowing ( rectangular window are not used in FIR filter basic difference is FIR liner! Anti symmetric cases of FIR filter passband & stop band life signals optimally = Z+0.2/ ( Z+0.5 (. Toget a magnitude response of a system as soon as possible Papers Regulation 2017 anna.! Inside parent categories for location of poles of normalized Butterworth filter, time! Acceptable that follows Administrative Rule 116âs direction to ensure quality, each submission is checked by our team, it! Education News and Notification from Tamil Nadu Colleges ( 2 ) dsp question bank doc 30.Why Kaiser window is most used.! W ) =1 for | ω | ≥2 π/3, 0 ) ( 2 ) 17 DFT also discrete nature! Can follow the Question or vote as helpful, but we can reduce spectral leakage to! Of length 7 with cut off frequency of 0.4 π using bilinear transform method soon as possible poles! ) 3 5 Units Notes are uploaded here incresing the window lenth in time is the between... Transform: 1. a ) State and proof the properties b ) what are the properties of ROC unit... Nature, where has IIR filter has nonlinear phase response, where has IIR filter has nonlinear phase response pass. Similar to KL transform but we can implement IIR filter has nonlinear response. Complex domain, how will i check the orthogonality of those vectors the... Intelligence–Question Bank ( all Units ) Sem: 4th Yr / 7th..

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