Discrete time signal processing mcq questions

Discrete time signal processing mcq questions. b) -27. c) -32. This set of Digital Communications Multiple Choice Questions & Answers (MCQs) focuses on “Pulse code modulation”. c) X (t) = b (at) d) X (t) = be (a+1)t. ANSWER: (d) -1 < a < 0. If n tends to infinity, is the accumulator function an unstable one? a) The function is marginally stable. In this article, we discuss the Digital Signal Processing Syllabus. Dec 30, 2020 · This video gives the 25 important multiple choice questions and answers from the topic signal processing in discrete time signal processing from unit 1. c) Electroencephalogram. Pre Intermediate Workbook Answer Key, Digital Signal Processing Johnny R Johnson (PDF) Ap History Multiple Choice Answers Photoshop Exam Questions And Answers in digital format, so the resources that you find are reliable. c. This set of Digital Signal Processing MCQs focuses on “Design of Linear Phase FIR Filters Using Windows-2”. Consumes less power. 1. 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Download these Free Fourier Transform MCQ Quiz Pdf and prepare for your upcoming exams Like Banking, SSC, Railway, UPSC, State PSC. time domain; frequency domain This set of Signals & Systems Multiple Choice Questions & Answers (MCQs) focuses on “Discrete-Time Fourier Transform”. Participate Now! 6. c) The function is stable. 3) Cheaper systems. Filter parameter optimization technique is used for designing of which of the following? a) FIR in time domain. c) The signals which start at t= -∞ and ends at a finite time period. Our 1000+ MCQs focus on all topics of the Digital Image Processing subject, covering 100+ topics. List - II. b) X (t) = (b+1)e at. 4) As compared to the analog systems, the digital processing of signals allow. 100+ Subjects. Give the de nition of the z-transform of a discrete-time signal x[n]. 6) The Digital Signal Processing system: Consumers more power. Pipelining a processor means taking down is instruction into a series of discrete pipeline stages which can be completed in sequence by specialized hardware. d) None of the mentioned Apr 18, 2024 · Demultiplexing is a process reconverting a signal containing multiple analog or digital signal streams back into the original signals. A digital signal is discrete in amplitude and time. Find the Nyquist rate and Nyquist interval of Asinc [t]. This set of Signals & Systems Multiple Choice Questions & Answers (MCQs) focuses on “Fourier Transforms”. c) Discrete time systems. Which of the following statement is true for an instrumentational amplifier? a) the input resistance of both the inputs is very high and does not change as the gain is varied. 1 and 2 are correct. ω s )/2π. 0 < a < 1. 5 The Cooley–Tukey algorithm of FFT is a. An analog filter can be converted into digital filter by approximating the differential equation by an equivalent difference equation. FFT algorithm is designed to perform complex operations. b) Unique value for every instant of time. advertisement. -1 < a < 0. 5787 rad/sec. This set of Digital Signal Processing Multiple Choice Questions & Answers (MCQs) focuses on “Analysis of Discrete time LTI Systems”. In general, an FIR system is described by the difference equation y (n)= ∑M−1 k=0 bkx(n − k). Find the z-transform and state the region of convergence for (a)x[n]=f1 Digital Signal Processing Questions and Answers – Signals, Systems and Signal Processing. This set of Signals & Systems Multiple Choice Questions & Answers (MCQs) focuses on “Elementary Signals – 1”. The main purpose of writing this article is to target competitive exams and interviews. d) Direct delta function. b) Unstable systems. Which signals are function of time? a) Random signal. a) s→ s(Ωu−Ωl) s2+ΩuΩl. b) (0011) 2. We intend to provide the syllabus of EC3492 – Digital Signal Processing, we This set of Digital Signal Processing Multiple Choice Questions & Answers (MCQs) focuses on “One Sided Z Transform”. a) 2δ (n)+4δ (n-1)+3δ (n-3) Answer: d. Sanfoundry Certification Contest of the Month is Live. b) The representation of non periodic signals in a mathematical manner is called a Fourier series. D. If the desired number of values of the DFT is less than log 2 N, a direct computation of the desired values is more efficient than FFT algorithm. 2) Flexibility in the system design. This set of Digital Communications Multiple Choice Questions & Answers (MCQs) focuses on “Sampling and quantization”. d) (ω s – ω p )/2π. View Answer. c) x (t) is absolutely integrable in any period. Resolve the sequence into a sum of weighted impulse sequences. (f ⊛ g)[n] = N − 1 ∑ k = 0ˆf[k]ˆg[n − k] for all signals f, g defined on Z[0, N − 1] where ˆf, ˆg are periodic extensions of f and g. The z-transform of a signal x (n) whose definition is given by X(z) = ∑∞ n=0 x(n)z−n is known as _____________. What is the binary equivalent of (-3/8)? a) (10011) 2. Considering Figure 1, sketch y= 2* x (t). b) Adaptive filter. What is the other name of a Continuous Time Unit Impulse Function? a) Dirac delta function. Digital Signal Processing Questions and Answers – Properties of DFT. Find the maximum possible value of sum of all sample value of y(n). b) Unit function. Which of the following should be done in order to convert a continuous-time signal to a discrete-time signal? a) Sampling. Aug 11, 2022 · This is useful for signal processing applications because it allows for the analysis and manipulation of signals on a frequency-by-frequency basis. To practice problems on all areas of Digital Signal Processing, here is complete set of 1000+ Multiple Choice Questions and Answers. not a consistent estimate of the true energy density spectrum. c) Random & Deterministic signal. b. Memory read R face reads the data from the databases and also write data to to the data buses. 1, 2 and 3 are correct. Workspace. c) s→ s(Ωu−Ωl) s2−ΩuΩl. This set of Signals & Systems MCQs focuses on “The Impulse Function – 2”. Explanation: For a discrete time signal, the value of x(n) exists only at integral values of n. 3. Sampling : The process of conversion of continuous-time signals into discrete time signals. Second, almost all the important ideas in discrete-time systems apply equally to continuous-time systems. What is the solution called when the input of the system is assumed to be zero? A. x (t) = u_c (t) cos⁡2π F_c t-u_s (t) sin⁡2π F_c t by the quadrature carriers cos [2πF c t] and sin [2πF c t] and This set of Digital Signal Processing Multiple Choice Questions & Answers (MCQs) focuses on “Digital to Analog Conversion Sample and Hold”. This will help you to prepare for exams, contests, online tests, quizzes, viva-voce, interviews, and certifications. This set of Digital Signal Processing Interview Questions & Answers focuses on “Representation of Numbers”. c) F(ω) = ∫∞ 0 f(t Feb 29, 2024 · Statement (I): Discrete-time signal is derived from the continuous-time signal by the sampling process. By means of the DFT and IDFT, determine the response of the FIR filter with impulse response h (n)= {1,2,3} to the input sequence x (n)= {1,2,2,1}? 2. 069 rad/sec. E Electronics and Telecommunication Engineering. The signals which are obtained by encoding each quantized signal into a digital word is called as. c) (1100) 2. Dec 5, 2016 · Sampling. What is the duration of the unit sample response of a digital filter? a) Finite. It is important to note that the operation of circular convolution is Digital Signal Processing Questions and Answers – Representation of Numbers – 2. b) Infinite. What is meant by the region of convergence in the context of the z-transform? X(z) = X1 n=1 x[n]z 1 The ROC is the set of zfor which X(z) converges absolutely, i. This set of Digital Signal Processing Multiple Choice Questions & Answers (MCQs) focuses on “Structures for FIR Systems-1”. What is the time period of a periodic signal in actual terms? a) The signals which start at t=-∞ and end at t=+∞. If x(n)=x R (n)+jx I (n) is a complex sequence whose Fourier transform is given as X(ω)=X R (ω)+jX I (ω), then what is the value of X R (ω)? Digital Signal Processing Questions and Answers – Design of Linear Phase FIR Filters Using Windows – 2. B Ability to translate into frequency domain. Which of the following parameters are required to calculate the correlation between the signals x (n) and y (n)? a) Time delay. Best Ebooks Library PDF Digital Signal Processing Mcqs With Answers processing multiple choice. a consistent estimate of the true power density spectrum. 2. Mar 1, 2024 · Digital Filters Question 1: In the design of Digital IIR Filters by means of Bilinear Transform, the design specifications are given. This set of Digital Signal Processing Multiple Choice Questions & Answers (MCQs) focuses on “Design of Hilbert Transforms”. What is single-valued function? a) Single value for all instants of time. 4) More reliability. The output signal when a signal x(n)=(0,1,2,3) is processed through an ‘Identical’ system is? This set of Digital Signal Processing Multiple Choice Questions & Answers (MCQs) focuses on “Design of IIR Filters in Frequency Domain”. 12. Feb 28, 2024 · The discrete-time system y(n) is the resultant convolution of f(n) and h(n) having lengths 3 and 5 respectively. Which of the following is an example of amplitude scaling? a) Electronic amplifier b) Electronic attenuator c) Both amplifier and attenuator d) Adder View Answer Digital Signal Processing Multiple Choice Questions and Answers :-If x(n) is a discrete-time signal, then the value of x(n) at non integer value of ‘n’ is: a) Zero b) Positive c) Negative d) Not defined; Answer: d. Quantization : The process of mapping of continuous-time signals into discrete time signal. C. What is Fourier series? a) The representation of periodic signals in a mathematical manner is called a Fourier series. b) The signals which have a finite interval of occurrence. 2. ii) If S 1 and S 2 are non-linear, then S is non-linear. e. If we down-sample a signal x (n), then the resulting signal will be an aliased version of x (n). A discrete-time stochastic process is essentially This set of Digital Signal Processing Multiple Choice Questions & Answers (MCQs) focuses on “Discrete Time Systems”. A signal can be represented in. P. b) Chebyshev approximation. Mar 20, 2020 · A simple explanation of the signal transforms (Laplace, Fourier and Z) Computing Inverse DFT (IDFT) using DIF FFT algorithm – IFFT: What is digital signal processing (DSP)? – A complete overview: Quantization in DSP – Truncation and Rounding: Approximation of derivatives method to design IIR filters: Limit Cycle Oscillation in recursive Digital Communications Questions and Answers – Sampling and Quantization – 1. b) Deterministic signal. This set of Digital Signal Processing Multiple Choice Questions & Answers (MCQs) focuses on “Applications of FFT Algorithms”. Explanation: If a signal x (t) is said to be periodic with period T, then x (t+mT)=x (t) for all t and any integer m. d) None of the mentioned. P 1 n=1 jx[n]z 1j<1. This set of Digital Signal Processing Multiple Choice Questions & Answers (MCQs) focuses on “Properties of DFT”. Sanfoundry Global Education & Learning Series – Digital Signal Processing. Aug 28, 2020 · EC8553 MCQ questions. To wa To practice tough questions and answers on all areas of Digital Signal Processing, here is complete set of 1000+ Multiple Choice Questions and Answers. To watch Discrete time signal processing MCQ videos: http c) (ω p . Grade D - Poor (Your score is in the range of 0% to 40%) There will be 5 types of Digital Signal Processing Tests. a consistent estimate of the true energy density spectrum. Both (a) and (c). ANSWER: (a) Digital signals. 3. 10. The design procedure has to start with the evaluation of the order of the filter necessary to meet the specifications in terms of the desired This set of Signals & Systems Multiple Choice Questions & Answers (MCQs) focuses on “Classification of Signals”. Find the Nyquist rate and Nyquist interval of sinc [t]. . d) Different pattern of values is followed by Dec 8, 2022 · PREVIOUS POST Anna University Special Case – Nov/Dec 2022 Examinations. Show Answer. This set of Digital Signal Processing Multiple Choice Questions & Answers (MCQs) focuses on “Sampling of Band Pass Signals”. T0 We have basically the same result in the discrete-time domain. The quantization inherent in the finite precision arithmetic operations render the system linear. Digital Signal Processing Questions and Answers – Analysis of Discrete time LTI Systems. Mar 5, 2024 · March 5, 2024 by Raju. c) Band pass. d. sampling interval in the frequency domain is ΔΩ, it corresponds to replication of signals in time domain at every 2π/ΔΩ. d) all of the mentioned. Digital Signal Processing Questions and Answers – Structures for FIR Systems – 1. What is the cutoff frequency of the Butterworth filter with a pass band gain K P =-1 dB at Ω P =4 rad/sec and stop band attenuation greater than or equal to 20dB at Ω S =8 rad/sec? a) 3. You can practice these MCQs chapter by chapter starting from the This set of Digital Signal Processing Multiple Choice Questions & Answers (MCQs) focuses on “Properties of Fourier Transform for Discrete Time Signals”. 7 shows a simple illustration of how we can represent a sequence as a periodic signal mapped over an infinite number of intervals. Digital Communications Questions and Answers – Pulse Code Modulation. Answer: Ability to resolve different frequency components from input signal. May 1, 2022 · Get Discrete-Time Signal Processing Multiple Choice Questions (MCQ Quiz) with answers and detailed solutions. Alas, even discrete-time systems are too diverse for one method of analy sis. a) True. Complete solution. This set of Digital Signal Processing Multiple Choice Questions & Answers (MCQs) focuses on “signals, Systems and Signal Processing”. b) F(ω) = ∫∞ 0 f(t)e−jωtdt. D None of the above. The Z-transform is widely used in various applications, including digital filter design, system analysis, and control system design. Amplifiers, motors, filters etc. d) -58. c) 6 rad/sec. 7) The length of the output sequence (n) of the two sequences (n1 and n2) can be calculated using the formula: n = n1 - n2 + 1. N and Δf fixed. Jan 20, 2021 · This video gives the 28 important multiple choice questions and answers from the topic from unit 3. b) High pass. 3) Which among the below specified conditions/cases of discrete time in terms of real constant ‘a’, represents the double-sided decaying exponential signal? a. b) False. a < -1. a. b) Bilateral z-transform. Find the Nyquist rate and Nyquist interval of sin (2πt). This set of Signals & Systems Interview Questions and Answers for freshers focuses on “Basic Operations on Signals – 2”. Multiple Choice Questions. 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Feb 9, 2021 · This video gives the important Multiple choice question and answers with explanation from the topic signal processing ,sampling,ADC/DAC & Introduction to DSP Apr 16, 2024 · Where α-attenuation factor representing the signal loss in the round-trip transmission of the signal x(n) D-time delay between the time of projection of signal and the reflected back signal w(n)-noise signal generated in the electronic parts in the front end of the receiver. What is the ideal reconstruction formula or ideal interpolation formula for x (t) = _________. The frequency transformation in the digital domain involves replacing the variable z-1 by a rational function g(z-1). First, digital computers are, by design, discrete-time devices, so discrete-time signals and systems includes digital computers. B. The maximum possible sample value of f(n) and h(n) are 10 and 20 respectively. Applicable for low-frequency signals. CBSE. If δ 1 represents the ripple in the pass band for a chebyshev filter, then which of the following conditions is true? 2. In general, a digital system designer has better control of tolerances in a digital signal processing system than an analog system designer who is designing an equivalent analog system. The general form of real exponential signal is________. If x (n) and X (k) are an N-point DFT pair, then x (n+N)=x (n). Anti aliasing filter. Then, y[k] = x[3k-2] is _____ a) y[k] = 1, for k = 0, 1 and 0 otherwise b) y[k] = 1, for k = 1 and -1 for k=-1 This set of Digital Signal Processing Interview Questions & Answers focuses on “Linear Filtering Methods Based on DFT”. Digital Signal Processing Questions and Answers – Decimation by a Factor D. This set of Digital Signal Processing Multiple Choice Questions & Answers (MCQs) focuses on “Oversampling A/D Converters”. 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If the resulting δ exceeds the specified δ 2, then the length can be increased until we obtain a side lobe level that meets the specification. Which of the following is the Analysis equation of Fourier Transform? a) F(ω) = ∫∞ −∞ f(t)ejωtdt. 13. b) 1. When the frequency band is selected we can specify the sampling rate and the characteristics of the pre filter, which is also called as __________ filter. Signals & Systems Questions and Answers – Discrete-Time Systems in the Time-Domain – 2. In order to recover x(t) from ˜x(t) by time windowing, x(t) should be time-limited to T0, and sampling interval should be small enough so that 2π ΔΩ < . b) Spatial This set of Signals & Systems Multiple Choice Questions & Answers (MCQs) focuses on “Discrete Fourier Transform”. This set of Signals & Systems Multiple Choice Questions & Answers (MCQs) focuses on “Fourier Series”. The equation x (t)= ∑∞ k=−∞ckej2πkF0t is known as analysis equation. So, the Fourier series representation of a discrete time signal with period N is given as. Which of the following filter design is used in the formulation of design of optimum equi ripple linear phase FIR filter? a) Butterworth approximation. Analog filter. Discrete Time Signal Processing Viva Questions A discrete-time signal Processing is a sequence of values that correspond to particular instants in time. 1: The periodogram is _________. Digital Signal Processing Questions and Answers – Round Off Effects in Digital Filters. What is the sequence y (n) that results from the use of four point This set of Signals & Systems Interview Questions and Answers focuses on “System Classification and Properties – 2”. A Ability to convert into discrete signal. Clarification: Here, the frequency F0 of a continuous time signal is divided into 2π/N intervals. are examples for which type of system? a) Distributed parameter systems. Comment on the causality of the following discrete time system: y [n] = x [-n]. It provides a powerful mathematical framework for analyzing and designing discrete-time systems, making it an essential tool in the field of digital signal processing. The frequency shift can be achieved by multiplying the band pass signal as given in equation. b) x (t) has finite number of maxima and minima during any period. The resulting signal when a continuous time periodic signal x (t) having period T, is convolved with itself is ___________. If x 1 (n) and x 2 (n) are two real valued sequences of length N, and let x (n) be a complex valued sequence defined as x (n)=x 1 (n)+jx 2 (n), 0≤n≤N c) Whether the computations are performed in fixed point or floating point arithmetic. Signals & Systems Questions and Answers – The Impulse Function – 2. c) Rational z-transform. 4) Damped sinusoids are _____ Explanation: A discrete-time signal is continuous in amplitude and discrete in time. This set of Digital Signal Processing Multiple Choice Questions & Answers (MCQs) focuses on “A2D and D2A Converters”. There is no requirement to process the various signals at different rates commensurate with the corresponding bandwidths of the signals. Q. Which of the following is common independent variable for speech signal, EEG and ECG? a) Time. Dec 18, 2016 · Pulse train. May 22, 2022 · Now that we have an understanding of the discrete-time Fourier series (DTFS), we can consider the periodic extension of c[k] (the Discrete-time Fourier coefficients). Chapterwise Multiple Choice Questions on Digital Image Processing. What kind of filter is an ideal Hilbert transformer? a) Low pass. Digital Signal Processing MCQ Questions; Electric Circuits MCQ Questions; This set of Signals & Systems Multiple Choice Questions & Answers (MCQs) focuses on “Basic Operations on Signals – 1”. Hence correct option is "3" This set of Digital Signal Processing Questions for entrance exams focuses on “IIR Filter Design by Approximation of Derivatives”. This set of Digital Signal Processing Multiple Choice Questions & Answers (MCQs) focuses on “Correlation of Discrete Time Signals”. 4. C Ability to resolve different frequency components from input signal. How can a discrete-time signal be represented as an integral function? A discrete-time signal can be represented as an integral function by taking the sum of the signal’s values at each point in 2. GATE ECE Signals and Systems's Representation of Continuous Time Signal Fourier Series, Discrete Time Signal Fourier Series Fourier Transform, Discrete Time Signal Z Transform, Continuous Time Linear Invariant System, Transmission of Signal Through Continuous Time LTI Systems, Discrete Time Linear Time Invariant Systems, Sampling Signals and Systems Questions and Answers – Concept of Convolution. 1. This set of Digital Signal Processing online test focuses on “Design of Optimum Equi Ripple Linear Phase FIR Filters-1”. Scaling. It can either be present in nature or is sampled from an analog signal. Digital Signal Processing Questions and Answers – Design of Hilbert Transformers. This set of Digital Signal Processing Multiple Choice Questions & Answers (MCQs) focuses on “Multirate Digital Signal Processing”. Which of the following is the application of lattice filter? a) Digital speech processing. b) PCM signal. All the Discrete-Time Signal and Systems Questions & Answers given below includes solution and link wherever possible to the relevant topic. c) Area function. This set of Digital Signal Processing Multiple Choice Questions & Answers (MCQs) focuses on “Design of IIR Filters from Analog Filters”. a) X (t) = be at. Figure 7. Some of the techniques for digital signal processing are bilinear transform, minimum phase, z-transform, s-plane, filter design, transfer function, and discrete-time fourier transform. The term ‘bandwidth’ represents the quantitative measure of a signal. d) All pass. Given a discrete time signal x[k] defined by x[k] = 1, for -2≤k≤2 and 0, for |k|>2. This set of Digital Signal Processing Multiple Choice Questions & Answers (MCQs) focuses on “Decimation by a Factor D”. A. Here, we will cover all the frequently asked Digital Image Processing questions with the correct choice of answer among various options. Let x 1 (t) and x 2 (t) be periodic signals with fundamental periods T1 and T2 respectively. Feb 9, 2022 · This article lists 100 Discrete-Time Signals and Systems MCQs for Engineering Students. Consider the following statements: i) If S 1 and S 2 are linear, then S is linear. The details of each of these tests are as follows: 1. (a) Digital Signal Processing Questions and Answers – Oversampling A/D Converters. x (n)= (sum_ {k=0}^ {N-1}c_k e^ {j2πkn/N}) where ck is the Fourier series coefficient. d) The signals which have a short period of occurrence. ANSWER: (b) Sampling. a) Unilateral z-transform. ys xs pt df jp wh oj kh ok ue