Download Communication 1 - COE411 Past Question PDF

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

Topics: Semiconductor, solids, crystal structure, lattice dynamics, semiconductor statistics, Energy Band Theory, Bloch–Floquet Theorem, Kronig–Penney Model, Band-to-Band Radiative Recombination, Band-to-Band Auger Recombination, Charge-Neutrality Equation, Haynes–Shockley Experiment, Photoconductivity Decay Experiment, Impurity Scattering, Phonon Scattering, p-n Junction Diodes, photoelectric effects, solar cells, photodetectors, light-emitting devices, Bipolar Junction Transistors, Metal-Oxide-Semiconductor Field-Effect Transistors, Metal–Semiconductor Field-Effect Transistors, High Electron Mobility Transistors, Hot-Electron Transistors, Resonant Tunneling Devices, Transferred-Electron Devices, Advanced Bipolar Junction Transistors, Heterojunction Bipolar Transistors, thyristors, Zener Breakdowns, Avalanche Breakdowns, tunnel diodes, Thermionic Emission Theory, Metal Work Function, Schottky Effect, ideal Schottky contact

Topics: Digital Signal Processing, common filters, digital control systems, Digital-to-analog conversion, Analog-to-digital conversion, Adaptive digital systems, adaptation algorithms, median filter, artificial neural netowrks, fuzzy logic, Discrete Fourier transform, fast Fourier transform, spectral analysis, modulation, Kalman filter, data compression, source coding, Recognition techniques, channel coding, Error-correcting codes, Digital signal processors, Programming digital signal processors

Topics: information theory, information measure, entropy of source, mutual informattion

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: Survey Methods, Sampling Theory, Sample Survey, Probability sampling, non-Probability sampling, Simple Random Sampling, Random Sampling, Non-Random Sampling, Population Proportion, Confidence Limit, Systematic Sampling, Stratified Random Sampling, Ratio, Regression Estimation, Non-Sampling Error, response error

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: 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: Communication, Fourier series, Fourier transform, signal symmetry, modulation, amplitude modulation, amplitude modulation large carrier

Topics: Image Compression, Data Compression, Compression Performance, Source Coding Algorithms, Run-length Coding, Huffman Coding, Arithmetic Coding, Binary Arithmetic Coding, Ziv-Lempel Coding, Still Image Compression Standard, Discrete Wavelet Transform, wavelet transforms

Topics: Continuous-time signal, linear time-variant system, singularity function, Fourier series, filtering, continuous-time Fourier transform, convolution property, Multiplication property, discrete-time Fourier transform, time characterization, frequency characterization, sampling, communication system, complex exponential, sinusoidal amplitude modulation, frequency-division multiplexing, Laplace transform, Fourier transform, z-transform, linear feedback system

Topics: Continuous-time signal, linear time-variant system, singularity function, Fourier series, filtering, continuous-time Fourier transform, convolution property, Multiplication property, discrete-time Fourier transform, time characterization, frequency characterization, sampling, communication system, complex exponential, sinusoidal amplitude modulation, frequency-division multiplexing, Laplace transform, Fourier transform, z-transform, linear feedback system

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: Electrical engineering, Electric Circuit, resistance, resistivity, series, parallel networks, potential divider, capacitors, inductors, electrostatic field, electric field strength, capacitance, capacitors, electric flux density, permittivity, dielectric strength, inductance, DC circuit theory, Kirchhoff's law, Thevenin's theorem, Norton’s Theorem, Maximum Power Transfer Theorem, alternating voltages, alternating currents, rectification, complex numbers, transient, Laplace Transforms, digital electronics, semiconductors, semiconductor diodes, bipolar junction transistor, Metal-oxide Semiconductor Field-effect Transistors, Gallium Arsenide Semiconductors, Light-emitting Diodes, Analog Electronics, Operational Amplifier, circuit simulation, interfacing, Microcontrollers, Microprocessors, Power Electronics, signals, signal processing, filter design, bandpass filter, notch filter, Switched Capacitor Filter, Monolithic Switched Capacitor Filter, Communications Systems, Analog Modulation Techniques, Digital Modulation Techniques, electromagnetics, Electromagnetic Spectrum, Microwave Techniques, magnetic fields, Electromagnetic Transients, Electromagnetic Interference, Traveling Wave Effects, transformers, Electromagnetic Compatibility

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: JAMB, UTME, biology, Plant cell, fern, plant biology, nutrition, circulatory system, osmoregulation, ecology, variation, hereditary, gene, chromosome, evolution

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