Signals and System

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Overview Formal definition of 'signal' and 'system'. The domain and range variables, continuous and discrete signals and cont. and discrete systems. Cont./discrete vs analog/digital. Domain and range operations and transformaations, and their effects upon signals. Characterization of systems: memory, linearity, causality, time-invariance, stability. Examples and counterexamples - Linear and time invariant systems. The Dirac impulse as a limit of a sequence of cont. fns. Mathematical difficulties with handling Dirac impulsers: brief, adequate discussion. Representation of cont. signals using impulses. Kronecker impulses and representation of discrete signals using Kronecker impulses.

Illlumination Engineering

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Overview Radiation, colour, eye & vision; different entities of illuminating systems; Light sources: daylight, incandescent, electric discharge, fluorescent, arc lamps and lasers; Luminaries, wiring, switching & control circuits - Laws of illumination;

Modelling and Analysis of Electric Machines

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Overview Basics of magnetic circuits - Analysis of magnetic circuits with airgap and permanent magnets - Analysis of singly excited electromechanical system with linear magnetics - Nonlinear magnetics using energy and co-energy principles

Digital System Design

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Overview Introduction to digital system - Number Systems - Complement Numbers - Complement Subtraction and codes - Review of First Four Lectures and Introduction to logic Gates - Basic Boolean Circuits - K' Map Simplification of Boolean Functions

Fabrication of Silicon VLSI Circuits using the MOS technology

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Overview Introduction Micro to Nano A Journey into Intergrated Circuit Technology - Crystal Properties and Silico Growth - IC Fab Labs and Fabrication of IC

Dynamics and Control

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The Dynamics and Control Group addresses research problems relating to modelling, simulation and control of civil, mechanical and aerospace engineering systems.

Digital Voice and Picture Communication

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Overview Introduction, Speech Production Model, Quantizers for Speech Signal, Adaptive Quantizer, Differential Quantization, LDM and ADM, Linear Prediction of Speech, Cholesky Decomposition, LPC Vocoder, Discrete Wavelet Transforms, Motion Estimate Techniques, Audio Coding, Introduction to VoIP, Interworking with PSTN Limitations and Solution.

Digital Image Processing

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Overview Introduction, Image Digitization, Pixel Relationships, Transformations, Pixel Relationships, Image Interpolation, Image Transformation, Fourier Transformation, Discrete Cosine Transform, K-L Transform, Image Enhancement, Image Restoration, Image Registration, Color Image Processing, Image Segmentation, Mathematical Morphology, Object Representation and Object Recognition.

Basic Electronics

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Overview Semiconductor materials, Rectifier Circuits, Clipping and Clamping Circuits, BJT, MOSFET, JFET, BJT Small Signal Analysis, Bipolar Junction Transistor Amplifier, Small signal model of MOSFET, Junction Field Effect Transistor, Operational Amplifier (Op-Amp), Op-Amp applications, Large Signal Amplifiers, Positive feedback and oscillation, Silicon Control Rectifier and SCR applications.