Advances in Communication Systems

Advances in Communication Systems

Theory and Applications

1st Edition - January 1, 1965

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  • Editor: A. V. Balakrishnan
  • eBook ISBN: 9781483264929

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Description

Advances in Communication Systems: Theory and Applications, Volume 1 focuses on the innovations in the methodologies, technologies, processes, and applications in communication systems. The selection first offers information on signal selection theory for space communication channels, theories of pattern recognition, and digilock orthogonal modulation system. Discussions focus on digilock mechanization of an orthogonal modulation system, restrictions placed on practical system waveforms, minimum of distance recognition, synthesis of threshold function, and regular simplex coding. The text then ponders on telemetry and command techniques for planetary spacecraft and communication from weather satellite, including planetary missions, telemetry and command system philosophy, Tiros operation and performance, and the Nimbus spacecraft system. The book examines the information theory of quantum-mechanical channels, as well as the capacity of an ideal quantum-mechanical channel, amplifiers in spatial representation, quantum theory of parametric amplifiers, photon correlation, and moment formula for phase-locking amplifiers. The selection is a dependable reference for researchers in communications interested in the advancements in communication systems.

Table of Contents


  • List of Contributors

    Preface

    Signal Selection Theory for Space Communication Channels

    I. Introduction

    II. Description of the Channel and Channel Capacity

    III. Optimal Signal Selection Problem

    IV. Regular Simplex Coding

    Appendix

    References

    Theories of Pattern Recognition

    I. Introduction

    II. Minimum Distance Recognition

    III. Synthesis of Threshold Functions

    IV. The Decision Theoretic Approach

    V. Conclusions

    References

    The Digilock Orthogonal Modulation System

    I. Definition of Orthogonal Signals

    II. Restrictions Placed on Practical System Waveforms

    III. An Example of an Orthogonal Modulation System—Discrete Pulse Position Modulation

    IV. A Second Example of an Orthogonal System—Discrete Frequency Modulation

    V. The "Digilock" Mechanization of an Orthogonal Communication System

    VI. Synchronization

    VII. The Digilock Mechanization of an Orthogonal Modulation System

    References

    Telemetry and Command Techniques for Planetary Spacecraft

    I. The Planetary Missions

    II. Fundamentals of Communication Links

    III. Telemetry and Command System Philosophy

    IV. Synchronization Theory

    V. Two-Channel Systems

    VI. Single-Channel Systems

    VII. Future Trends

    Nomenclature

    References

    Communication from Weather Satellites

    I. Introduction

    II. The Tiros Spacecraft

    III. Tiros Operation and Performance

    IV. The Nimbus Spacecraft System

    V. Review and Outlook

    References

    Information Theory of Quantum-Mechanical Channels

    I. Introduction

    II. Capacity of an Ideal Quantum-Mechanical Channel

    III. Quantum Noise in a Linear Passive "Noiseless" Channel

    IV. Noise in "Noisy" Quantum-Mechanical Channels

    V. Formulas Involving Density Matrices

    VI. Extension to Linear Amplifiers

    VII. Differential Equations—Interpretation as a Markov Process

    VIII. Canonical Signals

    IX. Amplifiers in Spatial Representation

    X. A Family of Wave Packets for a Harmonic Oscillator

    XI. Quantum Theory of Parametric Amplifiers

    XII. Photon Interpretation of Parametric Excitation

    XIII. Photon Correlation

    XIV. Formulas for the First and Second Moments

    XV. Moment Formula for Phase-Locking Amplifiers

    Appendix

    References

    Author Index

    Subject Index

Product details

  • No. of pages: 326
  • Language: English
  • Copyright: © Academic Press 1965
  • Published: January 1, 1965
  • Imprint: Academic Press
  • eBook ISBN: 9781483264929

About the Editor

A. V. Balakrishnan

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