A Methodology for Systems Engineering, Volume 24 |
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Page 27
... frequency location and amount of frequency space to be provided by the FCC for common - carrier use ; and ( d ) the number of channels that the existing art would permit to be squeezed into the allocated common- carrier space . 2.2.3 ...
... frequency location and amount of frequency space to be provided by the FCC for common - carrier use ; and ( d ) the number of channels that the existing art would permit to be squeezed into the allocated common- carrier space . 2.2.3 ...
Page 52
... frequency , and perform the major portion of the amplification in this range where low - noise amplifiers could be built . A frequency band centered around 70 mc was selected for intermediate frequency amplification . Trans- mission ...
... frequency , and perform the major portion of the amplification in this range where low - noise amplifiers could be built . A frequency band centered around 70 mc was selected for intermediate frequency amplification . Trans- mission ...
Page 406
... frequency location is the position of this band on the frequency scale . For example , the spec- trum of a speech wave extends from about 50 cycles to over 8000 cycles , but for telephone purposes it is necessary to transmit only that ...
... frequency location is the position of this band on the frequency scale . For example , the spec- trum of a speech wave extends from about 50 cycles to over 8000 cycles , but for telephone purposes it is necessary to transmit only that ...
Contents
WHAT IS SYSTEMS ENGINEERING? | 3 |
THE TD2 RADIO RELAY SYSTEM | 23 |
3 4 The State of the Environment at the End of | 32 |
Copyright | |
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alternative analog computer analysis basic behavior block diagram called channel Chapter circuit complete components cost creative criterion decision decision theory defined demand functions direct distance dialing discussed economic environment equation equipment evaluation example existing exploratory feedback frequency given important income individual inputs and outputs interval scale kind laboratory level of measurement logical loop manufacture Mason's rule matrix means measure ment methods minimax mixed strategy objectives operations research optimal organization payoff payoff matrix phase physical system possible preference probability problem profit properties prospectus radio ratio ratio scale relation requirements satisfy scale signal signal-flow graph specific standing plans statistical studies subsystems systems engineering systems engineering process systems synthesis TD-2 system technical techniques telephone television theory tion transfer function transmission utility utility function value system variables