This requires â¢ MÎ½1 complex multiplications â¢ MÎ½1 complex additions After the radix-2 decimation in time stages, we need to compute the DFT of 3Î½2 point sequences. d) Blackman window d. unpredictable. 4) Band reject filters, a. Ability to translate into frequency domain b. At ElectronicsPost.com I pursue my love for teaching. a) Hamming window b) y(n)=∑M+ 1 k= 0 bkx(n−k) Digital signals Working of Decimation Filter A sinc filter is an idealized filter that removes all frequency components above a given cutoff frequency, without affecting lower frequencies, 94. d) F/2D Even and odd samples Both convert frequency spectrum domain to discrete time domain Marketing management is _____. 33.The large side lobes of W(ω) results in which of the following undesirable effects? a) w(n)=1, n=0,1,2...M- b. Î´(n) = 1, n = 0 1, 2 and 3 are correct d. All the four are correct, a. c) 12π/M b) I/D 2) Removal of noise b. What is the process of converting a signal from a given rate to a different rate? d) None of the mentioned a) Sampling b) Normalizing c) Sampling rate conversion d) None of the mentioned; There is no requirement to process the various signals at different rates commensurate with â¦ a) Bartlett window, Copyright © 2020 StudeerSnel B.V., Keizersgracht 424, 1016 GC Amsterdam, KVK: 56829787, BTW: NL852321363B01, Sample/practice exam 12 August 2019, questions and answers, Experiment 1 - Study of cables,twisted pair cable color coding. Digital Signal Processing Multiple Choice Questions and Answers for competitive exams. 33)Â Â Â Which among the following represent/s the characteristic/s of an ideal filter? ElectronicsPost.com is a participant in the Amazon Services LLC Associates Program, and we get a commission on purchases made through our links. b. 3) The number of zeros is the product of poles of individual components At the time of c. After d. All of the above. d) None of the mentioned a) D/I Commerce provides you all type of quantitative and competitive aptitude mcq questions with easy and logical explanations. d) D/A convertor, A/D convertor & Performing entirely in digital domain, Which of the following is the advantage of sampling rate conversion by converting the 4) Addition of two transfer functions, a. At the time of 1 and 2 are correct b. c) 12π/M d) (M+1)/2 when M is odd and M/2 when M is even b) (M-1)/2 when M is odd and M/2 when M is even symmetric? d) None of the mentioned d. All of the above. These short objective type questions with answers are very important for Board exams as well as competitive exams. satisfy to have a linear phase? b. b) F/4D 23.The width of each side lobes decreases with an decrease in M. Which of the following should be done in order to convert a continuous-time signal to a discrete-time signal? 11. frequency response as shown in the figure? c. Linear Phase Response Positive and negative values c. Both a and b =0,elsewhere Decimation is a term that historically means the removal of every tenth one. c) None of the mentioned 29.Which of the following window is used in the design of a low pass filter to have a x(n) and output y(n)? d) z-(M-1).H(z-1)=±H(z), The roots of the polynomial H(z) are identical to the roots of the polynomial H(z-1). 1 and 3 are correct c. High rectangular window becomes broader. b. 2) Realisation after fraction 15.Which process has a block diagram as shown in the figure below? Interestingly, the rounding process â¦ c) Decimation 11. b) False c) h(n) anti-symmetric and M odd b. 4) More reliability, a. c) - d) h(n) anti-symmetric and M even 12.What is the process of increasing the sampling rate by a factor I? Decimation in Time algorithm (DIT). a. b) Performing entirely in digital domain Multi-rate processing and sample rate conversion, or interpolation and decimation as they re known, are a clever digital signal processing (DSP) techniques that broadband and wireless design engineers can employ during the system design process. The DFT coe cients are denoted X(k). d. None of the above, 23)Â Â Â For an expanded power series method, the coefficients represent, a. Inverse sequence values 2) High pass filters b) - b) (M-1)/2 when M is even and M/2 when M is odd b) stable. Nowadays, most of the competitive examinations are in online mode. B. Clarification of anti-aliasing / anti-imaging filter requirements. A. Computation of decimation/interpolation factor for each stage. d. All of the above. d. z = esT/2, 19)Â Â Â The similarity between the Fourier transform and the z transform is that, a. 3) Filter design The authors found that companies had more success when the evaluation process was transparent and standardized, because employees felt more comfortable contributing when they could anticipate how their ideas would be judged. frequency response as shown in the figure? a) D/A convertor and A/D convertor 12.The anti-symmetric condition with M even is not used in the design of which of the 4) In direct Z transform, 15)Â Â Â DIT algorithm divides the sequence into, a. c. After b) Hanning window b. c. 3 and 4 are correct a) - 1)Â Â Â The interface between an analog signal and a digital processor is, a. D/A converter =-1,elsewhere Before Decimation-In-Frequency It is a popular form of FFT algorithm. I am Sasmita . a) zM+1.H(z-1)=±H(z) To practice multiple choice questions in all areas of Digital Signal Processing, here is complete set of 1000+ Multiple Choice Questions and Answers. b) At the time of. ANSWER:(c) reduced. = 0, n â 1, a. a) y(n)=∑M+ 1 k= 0 bkx(n+k) 1 and 3 are correct d) All of the mentioned, Which of the following is the disadvantage of sampling rate conversion by converting the Q10. b) Decimation c) Either interpolation or decimation d) None of the mentioned 10. with the corresponding bandwidths of the signals. d. The poles lie in right half of the s plane, ANSWER: (c) The poles lie in left half of the s plane, 27)Â Â Â IIR filter design by approximation of derivatives has the limitations, 1) Used only for transforming analog high pass filters This is done in such a way that the rounded off number is as close to the original unquantized number as possible. 13.The anti-symmetric condition is not used in the design of low pass linear phase FIR Designing of digital filter in analog domain and transforming into digital domain b) z-(M+1).H(z-1)=±H(z) c. 3 and 4 are correct b) 8π/M d) All of the above . Ans9. Anti-imaging filter with cut-off frequency Ï c = Ï/ I is specifically used _____ upsampling process for the removal of unwanted images. â¢ a clinical examination, testing clinical and communication skills, of three to four hours duration, which is administered on a single afternoon or morning. b) 1. a. 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