A Methodology for Systems Engineering, Volume 24 |
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Page 28
... telephone channels , with antennas , electron tubes , and other com- ponents as they existed , plus such improvements as appeared to be within the capabilities of the existing art . As a first step , a comparison was made of system ...
... telephone channels , with antennas , electron tubes , and other com- ponents as they existed , plus such improvements as appeared to be within the capabilities of the existing art . As a first step , a comparison was made of system ...
Page 100
... telephone , one kind of input obtains when the telephone is lifted ( called a connect signal ) ; another kind when dialing ( dial pulse signals ) ; a third kind when the telephone is replaced ( disconnect signal ) . The system dis ...
... telephone , one kind of input obtains when the telephone is lifted ( called a connect signal ) ; another kind when dialing ( dial pulse signals ) ; a third kind when the telephone is replaced ( disconnect signal ) . The system dis ...
Page 196
... telephone service . The figure shows the percentage of consumer units in each of four income classes having telephones . When these data are smoothed , as in Fig . 6-8 ( b ) , we can interpret q ( u ) as the probability that the ...
... telephone service . The figure shows the percentage of consumer units in each of four income classes having telephones . When these data are smoothed , as in Fig . 6-8 ( b ) , we can interpret q ( u ) as the probability that the ...
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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Common terms and phrases
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