EE6403 Question Bank Discrete Time Systems and Signal Processing Regulation 2013 Anna University

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EE6403 Question Bank Discrete Time Systems and Signal Processing

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Sample EE6403 Question Bank:

1.What is DFT?

It is a finite duration discrete frequency sequence, which is obtained by sampling one period of Fourier transform. Sampling is done at N equally spaced points over the period extending from w=0 to 2л.

2. Define N point DFT.

The DFT of discrete sequence x(n) is denoted by X(K). It is given by, Here
k=0,1,2…N-1 Since this summation is taken for N points, it is called as N-point DFT.

3. What is DFT of unit impulse δ(n)?

The DFT of unit impulse δ(n) is unity.

4. List the properties of DFT.

Linearity, Periodicity, Circular symmetry, symmetry, Time shift, Frequency shift, complex conjugate, convolution, correlation and Parseval‘s theorem.

5. State Linearity property of DFT.

DFT of linear combination of two or more signals is equal to the sum of linear combination of DFT of individual signal.

6. When a sequence is called circularly even?

The N point discrete time sequence is circularly even if it is symmetric about the point zero on the circle.

7. What is the condition of a sequence to be circularly odd?

An N point sequence is called circularly odd it if is antisymmetric about point zero
on the circle.

8. Why the result of circular and linear convolution is not same?

Circular convolution contains same number of samples as that of x (n) and h (n), while in linear convolution, number of samples in the result (N) are, N=L+M-1 Where L= Number of samples in x (n) M=Number of samples in h (n)

9. What is circular time shift of sequence?

Shifting the sequence in time domain by ‗1‘ samples is equivalent to multiplying the sequence in frequency domain by WNkl

Subject Name	Discrete Time Systems and Signal Processing
Subject Code	EE6403
Regulation	2013

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Important question

EE6403 Important Questions Discrete Time Systems and Signal Processing Regulation 2013 Anna University

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Post date March 10, 2018
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EE6403 Important Questions Discrete Time Systems and Signal Processing

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Sample EE6403 Important Questions:

1. Define Signal.

A Signal is defined as any physical quantity that varies with time, space or any other independent variables.

2. Define a system.

A System is a physical device (i.e., hardware) or algorithm (i.e., software) that performs an operation on the signal.

3. What are the steps involved in digital signal processing?

Converting the analog signal to digital signal, this is performed by A/D converter Processing Digital signal by digital system.
Converting the digital signal to analog signal, this is performed by D/A converter.

4. Give some applications of DSP?

Speech processing – Speech compression & decompression for voice
storage system
Communication – Elimination of noise by filtering and echo cancellation.
Bio-Medical – Spectrum analysis of ECG,EEG etc.

5. Write the classifications of DT Signals.

Energy & Power signals
Periodic & Aperiodic signals
Even & Odd signals.

6. What is an Energy and Power signal?

Energy signal: A finite energy signal is periodic sequence, which has a finite energy but zero average power.Power signal: An Infinite energy signal with finite average power is called a power signal.

7. What is Discrete Time Systems?

The function of discrete time systems is to process a given input sequence to generate output sequence. In practical discrete time systems, all signals are digital signals, and operations on such signals also lead to digital signals. Such discrete time systems are called digital filter.

8. Write the Various classifications of Discrete-Time systems.

Linear & Non linear system
Causal & Non Causal system
Stable & Un stable system
Static & Dynamic systems

9. Define Linear system

A system is said to be linear system if it satisfies Super position principle. Let us consider x1(n) & x2(n) be the two input sequences & y1(n) & y2(n) are the responses respectively, T[ax1(n) + bx2(n)] = a y1(n) + by2(n)

10. Define Static & Dynamic systems

When the output of the system depends only upon the present input sample, then it is called static system, otherwise if the system depends past values of input then it is called dynamic system.

Subject Name	Discrete Time Systems and Signal Processing
Subject Code	EE6403
Regulation	2013

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Discrete Time Systems and Signal Processing Syllabus click here

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r2013 notes

EE6403 Notes Discrete Time Systems and Signal Processing Regulation 2013 Anna University

Post author By Mr. Padeepz
Post date March 10, 2018
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EE6403 Notes Discrete Time Systems and Signal Processing

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OBJECTIVES EE6403 Notes:

To classify signals and systems & their mathematical representation.

For analyse the discrete time systems.

To study various transformation techniques & their computation.

For study about filters and their design for digital implementation.

To study about a programmable digital signal processor & quantization effects.

OUTCOMES Discrete Time Systems and Signal Processing Notes:

Ability to understand and apply basic science, circuit theory, Electro-magnetic field theory control theory and apply them to electrical engineering problems.

TEXT BOOKS EE6403 Notes:

1. J.G. Proakis and D.G. Manolakis, ‘Digital Signal Processing Principles, Algorithms and Applications’, Pearson Education, New Delhi, PHI. 2003.

2. S.K. Mitra, ‘Digital Signal Processing – A Computer Based Approach’, McGraw Hill Edu, 2013.

3. Robert Schilling & Sandra L.Harris, Introduction to Digital Signal Processing using Matlab”, Cengage Learning,2014.

REFERENCES Discrete Time Systems and Signal Processing Notes:

1. Poorna Chandra S, Sasikala. B ,Digital Signal Processing, Vijay Nicole/TMH,2013.

2. B.P.Lathi, ‘Principles of Signal Processing and Linear Systems’, Oxford University Press, 2010.

3. Taan S. ElAli, ‘Discrete Systems and Digital Signal Processing with Mat Lab’, CRC Press, 2009.

4. Sen M.kuo, woonseng…s.gan, “Digital Signal Processors, Architecture, Implementations & Applications, Pearson,2013.

5. Dimitris G.Manolakis, Vinay K. Ingle, applied Digital Signal Processing,Cambridge,2012.

6. Lonnie C.Ludeman ,”Fundamentals of Digital Signal Processing”,Wiley,2013.

Subject Name	Discrete Time Systems and Signal Processing
Subject Code	EE6403
Regulation	2013

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EE6403 Syllabus Discrete Time Systems and Signal Processing Regulation 2013 Anna University

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Post date March 10, 2018
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EE6403 Syllabus Discrete Time Systems and Signal Processing

EE6403 Syllabus Discrete Time Systems and Signal Processing Regulation 2013 Anna University

UNIT I INTRODUCTION EE6403 Syllabus

Classification of systems: Continuous, discrete, linear, causal, stable, dynamic, recursive, time variance; classification of signals: continuous and discrete, energy and power; mathematical representation of signals; spectral density; sampling techniques, quantization, quantization error, Nyquist rate, aliasing effect.

UNIT II DISCRETE TIME SYSTEM ANALYSIS Discrete Time Systems and Signal Processing Syllabus

Z-transform and its properties, inverse z-transforms; difference equation – Solution by ztransform, application to discrete systems – Stability analysis, frequency response – Convolution – Discrete TimeFourier transform , magnitude and phase representation.

UNIT III DISCRETE FOURIER TRANSFORM & COMPUTATION EE6403 Syllabus

Discrete Fourier Transform- properties, magnitude and phase representation – Computation of DFT using FFT algorithm – DIT &DIF using radix 2 FFT – Butterfly structure.

UNIT IV DESIGN OF DIGITAL FILTERS Discrete Time Systems and Signal Processing Syllabus

FIR & IIR filter realization – Parallel & cascade forms. FIR design: Windowing Techniques – Need and choice of windows – Linear phase characteristics. Analog filter design – Butterworth and Chebyshev approximations; IIR Filters, digital design using impulse invariant and bilinear transformation – mWarping, pre warping.

UNIT V DIGITAL SIGNAL PROCESSORS Discrete Time Systems and Signal Processing Syllabus

Introduction – Architecture – Features – Addressing Formats – Functional modes – Introduction to Commercial DSProcessors.

Subject Name	Discrete Time Systems and Signal Processing
Subject Code	EE6403
Regulation	2013

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question bank

EE6402 Question Bank Transmission and Distribution Regulation 2013 Anna University

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Post date March 9, 2018
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EE6402 Question Bank Transmission and Distribution

EE6402 Question Bank Transmission and Distribution Regulation 2013 Anna University

Sample EE6402 Question Bank :

1. What is meant by power supply system?

2. What is meant by Transmission and Distribution system?

3. What are the different types of Power supply system?

4. What are the various components of power supply system?

5. What are the different types of power plants?

6. What are the different operating voltages used for generation, primary and secondary transmission in AC power supply systems in India?

7. Define feeder, distributor and service mains

8. List the advantages of high voltage transmission.

9. State Kelvin’s law.

10. What are the limitations of Kelvin’s law?

11. Name various types of HVDC links.

12.Why all Transmission and Distribution systems are 3 phase systems?

13.Why all overhead lines use ACSR conductors?

14. Why transmission lines are 3 phase 3 wire circuits while distribution lines are 3 phase 4 wire circuits?

15.Write the difference between EHVAC and HVDC transmission systems.

16.State the advantages of ring main systems.

17.State the advantages of interconnected system.

18.What is a ring distributor?

19.What are the advantages and disadvantages of high voltage ac transmission?

20.Why dc transmission is economical and preferable over ac transmission for long distance only?

Subject Name	Transmission and Distribution
Subject Code	EE6402
Regulation	2013

EE6402 Question Bank Click here to download

EE6402 Syllabus click here

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EE6402 Important Questions click here

Important question

EE6402 Important Questions Transmission and Distribution Regulation 2013 Anna University

Post author By Mr. Padeepz
Post date March 9, 2018
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EE6402 Important Questions Transmission and Distribution

EE6402 Important Questions Transmission and Distribution Regulation 2013 Anna University

Sample EE6402 Important Questions

1. Why all transmission and distribution systems are 3 phase systems?

A 3 phase a.c circuit using the same size conductors as the single phase circuit can carry three times the power which can be carried by a 1 phase circuit and uses 3 conductors for the 2 phases and one conductor for the neutral. Thus a 3 phase circuit is more economical than a 1 phase circuit in terms of initial cost as well as the losses. Therefore all transmission and distribution systems are 3 phase systems.

2. Why the transmission systems are mostly overhead systems?

Because of the cost consideration, the transmission systems are mostly overhead systems.

3. Why all overhead lines use ACSR conductors?

ACSR conductors comprises of hard drawn aluminium wires stranded around a core of single or multiple strand galvanized steel wire. They provides the necessary conductivity while the steel provides the necessary mechanical strength. Has less corona loss. The breaking load is high and has less weight.

4. Why transmission lines are 3 phase 3 wire circuits while distribution lines are 3 phase 4 wire circuits?

A Balanced 3 phase circuit does not require the neutral conductor, as the instantaneous sum of the 3 line currents are zero. Therefore the transmission lines and feeders are 3 phase 3 wire circuits. The distributors are 3 phase 4 wire circuits because a neutral wire is necessary to supply the 1 phase loads of domestic and commercial consumers.

5. Why overhead line conductors are invariably stranded?

They are stranded to make them flexible during erection and while in service.

6. State the advantages of interconnected systems.

Any area fed from one generating station during overload hours can be fed from another power station and thus reserved capacity required is reduced, reliability of supply is increased and efficiency is increased.

Subject Name	Transmission and Distribution
Subject Code	EE6402
Regulation	2013

EE6402 Important Questions Click here to download

EE6402 Syllabus click here

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r2013 notes

EE6402 Notes Transmission and Distribution Regulation 2013 Anna University

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Post date March 9, 2018
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EE6402 Notes Transmission and Distribution

EE6402 Notes Transmission and Distribution Regulation 2013 Anna University free download.

OBJECTIVES EE6402 Notes :

To develop expressions for the computation of transmission line parameters.

For obtain the equivalent circuits for the transmission lines based on distance and operating

Voltage for determining voltage regulation and efficiency. Also to improve the voltage profile of the transmission system.

To analyses the voltage distribution in insulator strings and cables and methods to improve the same.

To understand the operation of the different distribution schemes.

OUTCOMES Transmission and Distribution Notes :

Ability to understand and analyze power system operation, stability, control and protection.

TEXT BOOKS EE6402 Notes :

1. D.P.Kothari , I.J. Nagarath, ‘Power System Engineering’, Tata McGraw-Hill Publishing Company limited, New Delhi, Second Edition, 2008.

2. C.L.Wadhwa, ‘Electrical Power Systems’, New Academic Science Ltd, 2009.

3. S.N. Singh, ‘Electric Power Generation, Transmission and Distribution’, Prentice Hall of India Pvt. Ltd, New Delhi, Second Edition, 2011.

REFERENCES Transmission and Distribution Notes :

1. B.R.Gupta, , S.Chand, ‘Power System Analysis and Design’New Delhi, Fifth Edition, 2008.

2. Luces M.Fualken berry ,Walter Coffer, ‘Electrical Power Distribution and Transmission’, Pearson Education, 2007.

3. Hadi Saadat, ‘Power System Analysis,’ PSA Publishing; Third Edition, 2010.

4. J.Brian, Hardy and Colin R.Bayliss ‘Transmission and Distribution in Electrical Engineering’, Newnes; Fourth Edition, 2012.

5. G.Ramamurthy, “Handbook of Electrical power Distribution,” Universities Press, 2013.

Subject Name	Transmission and Distribution
Subject Code	EE6402
Regulation	2013

EE6402 Notes Click here to download

Transmission and Distribution Syllabus click here

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UG syllabus R 2013

EE6402 Syllabus Transmission and Distribution Regulation 2013 Anna University

Post author By Mr. Padeepz
Post date March 9, 2018
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EE6402 Syllabus Transmission and Distribution

EE6402 Syllabus Transmission and Distribution Regulation 2013 Anna University

UNIT I STRUCTURE OF POWER SYSTEM EE6402 Syllabus

Structure of electric power system: generation, transmission and distribution; Types of AC and DC distributors – distributed and concentrated loads – interconnection – EHVAC and HVDC transmission – Introduction to FACTS.

UNIT II TRANSMISSION LINE PARAMETERS Transmission and Distribution Syllabus

Parameters of single and three phase transmission lines with single and double circuits – Resistance, inductance and capacitance of solid, stranded and bundled conductors, Symmetrical and unsymmetrical spacing and transposition – application of self and mutual GMD; skin and proximity
effects – interference with neighboring communication circuits – Typical configurations, conductor types and electrical parameters of EHV lines, corona discharges.

UNIT III MODELLING AND PERFORMANCE OF TRANSMISSION LINES EE6402 Syllabus

Classification of lines – short line, medium line and long line – equivalent circuits, phasor diagram, attenuation constant, phase constant, surge impedance; transmission efficiency and voltage regulation, real and reactive power flow in lines, Power – circle diagrams, surge impedance loading, methods of voltage control; Ferranti effect.

UNIT IV INSULATORS AND CABLES Transmission and Distribution Syllabus

Insulators – Types, voltage distribution in insulator string, improvement of string efficiency, testing of insulators. Underground cables – Types of cables, Capacitance of Single-core cable, Grading of cables, Power factor and heating of cables, Capacitance of 3- core belted cable, D.C cables.

UNIT V MECHANICAL DESIGN OF LINES AND GROUNDING EE6402 Syllabus

Mechanical design of transmission line – sag and tension calculations for different weather conditions, Tower spotting, Types of towers, Substation Layout (AIS, GIS), Methods of grounding.

Subject Name	Transmission and Distribution
Subject Code	EE6402
Regulation	2013

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question bank

CS6456 Question Bank Object Oriented Programming Regulation 2013 Anna University

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Post date March 8, 2018
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CS6456 Question Bank Object Oriented Programming

CS6456 Question Bank Object Oriented Programming Regulation 2013 Anna University

Sample CS6456 Question Bank:

Part – A

1. Give some characteristics of procedure-oriented language.

2. What are the basic concepts of OOPS?

3. What is an object?

4. What is a class?

5. What is an encapsulation?

6. What is meant by dynamic binding or late binding?

7. Write the process of programming in an object-oriented language?

8. List any four advantages of OOPS.

9. What are the features required for object-based programming language?

10. Give any four applications of the OOPS.

11. What are the operators available in C++?

12. What is a scope resolution operator?

13. What is a default argument?

14. What is constant argument?

15. How the class is specified?

16. How do you create an object?

17. How do you access a class member?

18. How is the member functions defined?

19. What are the features of static data member?

20. What are the situations that inline functions may not work?

Part – B

1. Difference between procedure oriented and object oriented program.

2. Difference between Struct and Class in also illustrate with Example

3. Explain the basic features of Object oriented programming in C++.

4. Explain briefly about Constructor and it types with suitable Example.

5. Explain about Storage Classes in C++ with Examples.

6. Explain the following
i)Pointer object.
ii) this pointer

7. Write a C++ program to get and display employee details using class and object

8. Explain the following terms with respect to OOPS .Give suitable examples
(i) Dynamic Binding
(ii) Message Passing
(iii) Reusability
(iv) Polymorphism

9. Relationship between arrays and pointers

10. Implementing stack operation using array.

Subject Name	Object Oriented Programming
Subject Code	CS6456
Regulation	2013
File detail	PDF of Question Bank

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Important question

CS6456 important questions Object Oriented Programming Regulation 2013 Anna University

Post author By Mr. Padeepz
Post date March 8, 2018
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CS6456 important questions Object Oriented Programming

CS6456 important questions Object Oriented Programming Regulation 2013 Anna University

Sample CS6456 important questions:

1. What are the programming paradigms currently available?

2. What is object oriented paradigm?

3. What are the differences between structures and classes in C++?

4. Differentiate Object Oriented and Object Based Programming Languages.

5. What is Object Oriented Programming? How is it different from the Procedure Oriented Programming?

6. List any two drawbacks of procedure oriented languages.

7. What is meant by prototype based programming?

8. What is a Class? What is an Object? Give an example for each

9. Define encapsulation.

10. Compare inheritance and delegation with respect to Object Oriented Programming.

11. Which feature of object oriented programming provides (a) data hiding
(b) reusability?

12. Define (a) Object (b) class

13. What is the use of scope resolution operator :: in C++?

14. Can you have a class named main in C++? If yes how do you call its constructor?

15. What is an abstract class?

16. What is Object Orients Programming? List any four OOP languages.

17. What is meant by function overloading?

18. What are conditional constructor and destructor?

19. What is nameless object?

20. Give a note on access specifiers

16 MARK important questions:

1. Describe the basic concepts of Object Oriented Programming and bring out the advantages of OOP.

2. Explain the declaration and defining a class in C++. How will you define the member functions of a class? Explain.

3. What is the need for parameterized constructors? Explain the function of constructors with their declaration and definition inside a class.

4. Illustrate the reserved word inline with two examples.

5. Explain the constructors and destructors.

6. explain the relation between (i)structured Programming(POP) and (ii)OOPs

7. Differentiate Object Oriented and Object based Languages.(8)

8. Explain copy constructor? Explain with a suitable example.

9. Differentiate Object Oriented and Object based Languages. Give examples for both. List any 8 features of Oops. (Detailed explanation or examples are not required).

Subject Name	Object Oriented Programming
Subject Code	CS6456
Regulation	2013
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