Download Communication 1 - COE411 Past Question PDF

Topics: Communication Systems Engineering, Electrical Communication System, Communication Channel, frequency domain analysis, Fourier series, Fourier transforms, Bandlimited Signals sampling, bandpass signals, analog signal transmission, modulation, amplitude modulation, Conventional Amplitude Modulation, angle modulation, radio broadcasting, television broadcasting, mobile radio systems, random processes, Gaussian Processes, White Processes, Bandlimited Processes, Bandpass Processes, Linear-Modulation Systems, information sources, source coding, source-coding theorem, Source-Coding Algorithms, Rate-Distortion Theory, quantization, Analysis-Synthesis Techniques, waveform coding, Digital Audio Transmission, Digital Audio Recording, Pulse Amplitude Modulation, Two-dimensional Signal Waveforms, Multidimensional Signal Waveforms, White Gaussian Noise, Symbol Synchronization, Bandlimited Channels, Digitally Modulated Signals, channel; capacity, channel coding, linear block code, cyclic codes, Convolutional Codes, wireless communications, Continuous Carrier-Phase Modulation, Spread-Spectrum Communication Systems, Digital Cellular Communication Systems

Topics: Vector Quantization, Signal Compression, random proocesses, linear systems, probability, sampling, periodic sampling, linear prediction, Elementary Estimation Theory, Finite-Memory Linear Prediction, Levinson-Durbin Algorithm, Minimum Delay Property, scalar coding, Scalar Quantization, Predictive Quantization, Delta Modulation, Difference Quantization, Bit Allocation, Transform Coding, Karhunen-Loeve Transform, Performance Gain of Transform Coding, entropy coding, Variable-Length Scalar Noiseless Coding, huffman coding, Vector Entropy Coding, Ziv-Lempel Coding, Constrained Vector Quantization, Predictive Vector Quantization, Finite-State Vector Quantization, Tree and Trellis Encoding, Adaptive Vector Quantization, Variable Rate Vector Quantization

Topics: Digital Communication, Communication Error Correction, Information Compression Error, Information Compression, Data Compression, data Coding, Huffman Coding Algorithm, Error Correction, Linear Block Codes, noise, convolutional coding, Viterbi decoding of convolutional codes, Systematic Code, Convolution Codes, Hamming Codes, Convolutional Codes, Convolutional Code Construction, Parity Equations, Shift-Register View, State-Machine View, Decoding Problem, Viterbi Decoder, Soft-Decision Decoding, Signal to Noise Ratio, linear Time-Invariant Systems, Baseband Signal, Modulation, Demodulation, Baseband Channel, Linear Time-Invariant Models, Baseband Channel Model, Signal Spectra, Discrete-Time Fourier Transform, Fourier Transform, Discrete-Time Fourier Series, Fourier Series, Channel Distortions, Binary Phase Shift Keying, Quadrature Phase Shift Keying, Quadrature Amplitude Modulation, Media Access Protocols, Shared Media Satellite communications, Satellite communications, Time Division Multiple Access, ALOHA, Carrier Sense Multiple Access, Circuit Switching, Packet Switching, Little’s Law, Network Routing, Routing, Broadcast routing, Routing Protocol, Reliable Data Transport Protocols

Topics: Communication Systems Engineering, frequency domain analysis, analog signal transmission, analog signal reception, random processes, white Gaussian noise channel, digital transmission, channel capacity, channel coding, wireless communications

Topics: Quantitative Decision Making, Quantitative Techniques, data collection, statistical methods, Quantitative Methods.Arranging Data, published data, unplublished data, primary data, Data Presentation Devices, Frequency Distribution, graphs, histogram, frequency polygon, frequency curve, Cumulative Frequency Distribution, Skewness, Kurtosis, Measures of Central Tendency, Arithmetic Mean, median, quantile, mode, variation, range, mean deviation, average deviation, standard deviation, variance, Bienayme–Chebyshev Rule, Probability Theory, Probability, Probability Rules, Conditional Probability, Set Theory, Venn Diagram, Statistical Decision Theory, Decision Theory, determinants, Business Decision Theory, Stochastic Business Situation, Linear Programming, Linear Programming Problem, Sampling Theory, Sampling Methods, sampling, Simple Random Sampling, Stratified Random Sampling, Systematic Random Sampling, Quasi-Random Sampling, Interval Sampling, Cluster Sampling, Multi-Stage Random Sampling, area sampling, quota sampling, error, Hypothesis Testing, Probability Distributions, Binomial Distribution, Poisson Distribution, Normal Probability Distribution, t-Test, Chi-Square Test, Business Forecasting, Correlation Analysis.Correlation, Regression Analysis, Regression, Least-Squares Method, Standard Error of Estimate, Multiple Regressions, Time Series Analysis, Seasonal Variations, Cyclical Variations, business cycle, Irregular Variations, Random Movements, Unpredictable Movements, Erratic Variations, Accidental Variations, Research Methodology, Research Approach

Topics: Number, algebra, area, volume, trignometry, graph, complex number, vector, statistics, differential calculus, integral calculus, differential equation, irregular area, Trigonometric waveforms, Cartesian co-ordinates, polar co-ordinates, compund angles, straight line graphs, De Moivre’s theorem, mean, median, mode, standard deviation, probability, binomial distribution, Poisson distribution, normal distribution, Linear correlation, Linear regression, Sampling, estimation theories, Maclaurin’s series, implicit functions, Logarithmic differentiation, Standard integration, Integration by parts, partial fraction, Numerical integration, Mean square value, root mean square value, centroid

Topics: Signals, unit step function, unit ramp function, unit parabolic function, unit impulse function, sinusoidal signal, time shifting, signal analysis, Fourier series, wave symmetry, Fourier spectrum, Gibbs phenomenon, Continuous-time Fourier series, Fourier transform, signal transmission, convolution, time convolution, theorem, signal comparison, energy density spectrum, power density spectrum, density function, sampling, sampling theorem, Anti-Aliasing filter, data reconstruction, Laplace transforms, waveform synthesis, Z-transform, system realization, discrete-time Fourier transform

Topics: Orthogonal frequency-division multiple access, OFDMA, OFDM

Topics: cellular systems, wireless systems, wireless standards, propagation modeling, co-channel interference, modulation, power spectrum, error probability, multi-antenna techniques, MIMO, Time domain equalization, interference calculation, error control coding, spread spectrum techniques, multi-carrier techniques, frequency planning techniques, CDMA cellular systems, channel assignment techniques

Topics: Amplitude modulation, frequency modulation, frequency carrier, carrier frequency, sine wave, modulating signal, amplitude modulator, modulation index, over modulation, distortion

Topics: digital signal, Pulse-code modulation, sampling, Nyquist theorem, Quantization, Bit rate, bandwidth

Topics: Mathematical model, time response analysis, time response, test signal, impulse response, order of a system, partial fraction expansion, Response of first order system, Response of second order system, time domain specification, steady state error, static error constant, error coefficient, automatic control system, controller, time response analysis, frequency response, sinusoidal transfer function, transfer function, frequency domain, frequency response plot, Bode plot, Magnitude plot, phase plot, Nichols plot, M-circle, N-circle, Nichols chart, Bounded input Bounded output stability, root locus, Routh Hurwitz criterion, Nquist plot, open loop system, closed loop system, mechanical translational system, Laplace transform, mechanical rotational system, electrical system, analogous circuit, block diagram, signal flow graph

Topics: Electricity, charge, DC Circuits, Network terminology, electrical networks, energy source, Ohm's law, short circuit, open circuit, source transformation, Kirchhoff's law, Cramer's rule, star and delta connection, superposition theorem, Thevenin's theorem, Norton's theorem, maximium power transfer theorem, loop current, magnetic circuit, magnetic flux, pole strength, permeability, magnetomotive force, magnetic circuits, electromagnetic induction, electrostatics, electric flux, capacitor, AC waveform, phasor, impedance, capacitance reactance, complex power, star delta, transformer, magnetic losses, autotranformer, three phase, polyphase AC circuit

Topics: software processes, agile software development, requirements engineering, system modelling, architectural design, design and implementation, software testing, software evolution, system dependability, system security, dependable systems, reliability engineering, safety engineering, security engineering, resilience engineering, advanced software engineering, software reuse, component-based software engineering, distributed software engineering, service-oriented software engineering, systems engineering, systems of systems, real-time software engineering, software management, project management, project planning, quality management, configuration management

Topics: Economic Load Dispatch, power system economic operation, Optimal Power Flow model, Unit Commitment model, power pools, Transmission Open Access, power wheeling, Ancillary Services Management, Reliability Analysis, network model, Reliability Costs, Generation Reliability, Transmission Reliability, Distribution Reliability, Power Quality, power quality issues, voltage dips, Three-phase Unbalanced Dips, Voltage Dip Performance Indicators, Voltage Dip Mitigation, power quality issues, Harmonic Distortion, Transient Over Voltages, Voltage Variations, Voltage Fluctuations, load currents

Topics: number system, binary number system, octal number system, hexadecimal number system, binary addition, binary subtraction, signed numbers, complement representation, binary multiplication, floating point representation, binary codes, binary coded decimal numbers, weighted codes, self implementing codes, cyclic codes, gray code, error detecting codes, error correcting code, Hamming code, BCD addition, alphanumeric codes, Boolean algebra, logic gates, duality principle, Venn diagram, truth table, Karnaugh map, Quine – McCluskey Method, combinational switching circuits, combinational circuits, half adder, full adder, parallel binary adder, 8421 adder, BCD adder, subtractor, multiplexers, demultiplexers, code converter, encoders, priority encoder, magnitude comparator, parity generator, parity checker, programmable logic devices, Field Programmable Logic Array, Programmable Array Logic, Programmable Read Only Memory, Direct Coupled Transistor Logic, Integrated Injection Logic, transistor transistor logic, CMOS Logic, Flip flop, shift registers, counter, Asynchronous Counters, counter ICs, Digital to Analog Converter, Analog to Digital Converter, digital memory, semiconductor memory, read only memory, random access memory, magnetic memory, magnetic bubble memories, charged coupled devices, compact disk read only memory

Topics: circuit theory, circuit analysis, electrical energy source, Kirchhoff's law, Kirchhoff ’s Voltage Law, Ideal Voltage source, Ideal Current Source

Topics: Measurements, Measurement Systems, error, Units, Dimensions, Electrical Circuit Components, Resistors, Inductors, Capacitors, Galvanometers, Analog Ammeter, Voltmeter, power measurement, Wattmeter, energy measurement, Energy Meters, Potentiometers, Inductance, resistance, Capacitance, Cable Faults localization, Magnetic Measurements, High Voltage Measurements, Optoelectronic Measurements, Electronic Instruments, High Frequency Measurements, Cathode Ray Oscilloscope, Signal Generators, Signal Analyzers, Instrumentation Amplifiers, Nonlinear Circuits, Signal Conditioning, Electrical Wave Filters, Number Systems, Logic Gates, Boolean Algebra, Logic Families, Digital Measurement, digital Instruments, Display Devices, Electronic Recording Devices, Transducers, Data Acquisition Systems, Telemetry, Microprocessor Based Measurements

Topics: Engineering profession, engineering team, engineering function, engineering design, engineering solutions, engineering measurement, engineering estimations, dimensions, units, conversions, engineering economics, annual worth, annual future worth, sinking fund, decision making, economic decision making, statistics, inferential statistics, sampling, chi-square distribution, F-distribution, mechanics, statics, forces, resultant force, scalars, vectors, strain, design stress, material balance, energy sources, energy alternatives, coal formation, natural gas formation, electrical theory, static electricity, electric potential, Kirchhoff's laws, Mesh current

Topics: Sampling, Sampling Units, Sampling errors, Nonsampling Errors, Simple Random Sampling, Confidence Intervals, Sample Size, Estimating Proportions, Estimating Ratios, Estimating Subpopulation Means, Unequal Probability Sampling, Horvitz-Thompson Estimator, Hansen–Hurwitz Estimator, Auxiliary Data, Ratio Estimation, Ratio Estimator, Small Population Illustrating Bias, Regression Estimation, Linear Regression Estimator, regression model, Multiple Regression Models, Regression Models, Stratified Sampling, Stratified Random Sampling, Cluster Sampling, Systematic Sampling, Multistage Designs, Double Sampling, Two-Phase Sampling, Network Sampling, Link-Tracing Designs, Detectability, Capture–Recapture Sampling, Line-Intercept Sampling, spatial sampling, Spatial Prediction, Kriging, Spatial Covariance Function, Spatial Designs, Adaptive Sampling Designs, Adaptive Sampling, Adaptive Cluster Sampling, Stratified Adaptive Cluster Sampling

Topics: Physics, JAMB, Friction, work, force, motion, speed, velocity, energy, hydraulic press, relative density, hydrometer, gas law, sound wave, wave, light, mirror,capacitor, electricity, pressure

Topics: Mathematics, JAMB, Logarithm, standard form, permutation, combination, number system, set, ratio, indices, factorization, inequality