## A Methodology for Systems Engineering, Volume 24 |

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Page 424

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**received**picture , but are much less sensitive to gradual and nonperiodic changes . Frequency modulation systems of ...**received**signals all the information that was sent . The information rate of the**received**signals is therefore less ...Page 426

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**received**signals for known sent signals . It represents the false information in the**received**signals . H ( x , y ) is the joint entropy of the sent and**received**signals . The validity of these expressions may be seen directly from Fig ...Page 428

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**received**signal at y is equal to S + N , where S is the average signal power . The entropy of this**received**signal is a maximum when the coding system is such that S is statistically like white thermal noise . Therefore , for this case ...### Contents

SOME FUNDAMENTAL CONCEPTS OF SYSTEMS | 3 |

THE TD2 RADIO RELAY SYSTEM | 22 |

3 | 61 |

Copyright | |

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alternative amplitude analog computer analysis basic Bell Telephone Laboratories block diagram called channel Chapter choose circuit complete components cost creative creative technology criterion curve decision defined demand functions discussed economic encoding entropy environment equation evaluation example existing factors feedback frequency given important income individual information theory inputs and outputs interval scale kinds level of measurement logical Mason's rule matrix maximum means measure ment methods minimax mixed strategy noise objectives operations research optimal organization payoff payoff matrix phase physical planning possible preference probability problem profit projects properties radio ratio ratio scale requirements scale signal signal-flow graph solving specific statistical strategy studies subsystems systems engineering systems engineering process systems synthesis technical techniques telephone television theory tion transfer function transmission transmittance utility variables