Kagat This textbook presents an introduction to communication systems with an emphasis on signal design and modulation. Be the first to add this to a list. The Trigonometric Fourier Series Representation. One person found this helpful. Ideal Demodulator Detection Gain.
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Product information Description This textbook presents an introduction to communication systems with an emphasis on signal design and modulation. The book carefully develops the mathematical principles upon which such systems are based, using examples from a wide variety of current communications systems wherever possible.
These range from commercial broadcasting and telephone systems to satellite telemetry and radar. Table of Contents 1. Orthogonality and Signal Representations. Signals and Systems. Classification of Signals. Classification of Systems. Signals and Vectors. Orthogonal Functions. Choice of a Set of Orthogonal Functions. The Exponential Fourier Series.
Complex Signals and Representations. The Trigonometric Fourier Series Representation. Extension by Periodicity. The Frequency Transfer Function. Steady-State Response to Periodic Signals. Harmonic Generation. The Fourier Spectrum and Examples. Numerical Computation of Fourier Coefficients. Effects of Alias Terms.
Singularity Functions. Impulse Response. Convergence of the Fourier Series. The Fourier Transform and Applications. The Spectral Density Function. Existence of the Fourier Transform. Properties of the Fourier Transform.
Some Convolution Relationships. Graphic Interpretation of Convolution. Filter Characteristics of Linear Systems. Transversal Filters. Bandwidth of a System. Requirements for Distortionless Transmission. Time Response of Filters. Minimum Time-Bandwidth Product. The Sampling Theorem. Aliasing Effects in Sampling. The Discrete Fourier Transform. The Fast Fourier Transform.
Spectral Density and Correlation. Energy Spectral Density. Power Spectral Density. Time-Averaged Noise Representations. Correlation Functions. Some Properties of Correlation Functions. Correlation Function for Finite-Energy Signals. Band-Limited White Noise. Amplitude Modulation. Amplitude Modulation: Suppressed Carrier.
A Time-Representation of Bandpass Noise. Propagation Effects. Comparison of Various AM Systems. Angle Modulation. FM and PM. Narrowband FM. Wideband FM. Average Power in Angle-Modulated Waveforms. Phase Modulation. Generation of Wideband FM Signals. Demodulation of FM Signals. Threshold Effect in FM. Signal-to-Noise Improvement Using Deemphasis. Pulse Modulation. Pulse Shaping and Intersymbol Interference. Fiber Optic Communication Systems.
The Matched Filter. Matched-Filter Codeword Detection. Pseudonoise PN Sequences. Probability and Random Variables. Conditional Probability and Statistical Independence.
The Probability Density Function. Statistical Averages. Some Probability Distributions. The Histogram. Transformations of Random Variables. Joint and Conditional Density Functions.
Correlation Between Random Variables. The Bivariate Gaussian Distribution. Random Processes. Autocorrelation and Power Spectra. Numerical Computation of Power Spectra. Information and Digital Transmission. A Measure of Information. Channel Capacity. Ideal Demodulator Detection Gain. Quantization Noise. Probability of Error in Transmission. Power Spectral Densities of Data Waveforms. Partial-Response Signaling. M-ary Signaling.
Coding for Reliable Communication. Digital Modulation. Comparison of Binary Digital Modulation Systems. Direct-Sequencing Spread Spectrum Systems. Keying MSK. M-ary Orthogonal FSK.
M-ary PSK. Comparison of Digital Modulation Systems.
Introduction to communication systems
Introduction to Digital Communication Systems focuses on the rules of functioning digital communication system blocks, starting with the performance limits set by the information theory. Drawing on information relating to turbo codes and LDPC codes, the text presents the basic methods of error correction and detection, followed by baseband transmission methods, and single- and multi-carrier digital modulations. The basic properties of several physical communication channels used in digital communication systems are explained, showing the transmission and reception methods on channels suffering from intersymbol interference. The text also describes the most recent developments in the transmission techniques specific to wireless communications used both in wireline and wireless systems. The case studies are a unique feature of this book, illustrating elements of the theory developed in each chapter. Introduction to Digital Communication Systems provides a concise approach to digital communications, with practical examples and problems to supplement the text.
Introduction to Communication Systems, 3rd Edition
From the Inside Flap: This textbook presents to undergraduates an introductory explanation of communication systems, with the emphasis on signal design and modulation. The approach is therefore tailored to a careful development of the mathematical principles upon which such systems are based, using examples from a wide variety of current communication systems wherever possible. These range from commercial broadcasting and telephone systems to satellite telemetry and radar. Extended Topical Coverage Material added in this third edition is, primarily, about digital methods and reflects the continually increasing importance of digital signal transmission and modulation in communication systems. New material on the use of fiber optics in communications and the integrated services digital network ISDN has been added in Chapter 7, as well as an expended treatment of Nyquist waveform shaping for control of ISI. Optimum filtering methods for use with ISI criteria have been included in Chapter 9.
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