A Methodology for Systems Engineering, Volume 24 |
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Page 392
... character up to 16 to permit the design of simple circuits that can detect if one of the elements was received in- correctly . Ten of the 16 characters listed in Table 15B contain two l's ; these comprise the well - known 2 - out - of ...
... character up to 16 to permit the design of simple circuits that can detect if one of the elements was received in- correctly . Ten of the 16 characters listed in Table 15B contain two l's ; these comprise the well - known 2 - out - of ...
Page 393
... characters that are available , ( b ) assigns the shortest code characters to the most frequent message characters , and ( c ) needs no spacing or syn- chronizing signals between code characters , which means that no short code character ...
... characters that are available , ( b ) assigns the shortest code characters to the most frequent message characters , and ( c ) needs no spacing or syn- chronizing signals between code characters , which means that no short code character ...
Page 394
... character . Since the message uses a four - symbol alphabet , the message efficiency is E = 0.923 . There are h = 4 Σnip ( i ) = 1.9 i = 1 code elements , or bits , per message character . Thus there are now 1.846 / 1.9 = 0.972 bit per ...
... character . Since the message uses a four - symbol alphabet , the message efficiency is E = 0.923 . There are h = 4 Σnip ( i ) = 1.9 i = 1 code elements , or bits , per message character . Thus there are now 1.846 / 1.9 = 0.972 bit per ...
Contents
WHAT IS SYSTEMS ENGINEERING? | 3 |
THE TD2 RADIO RELAY SYSTEM | 23 |
3 | 60 |
Copyright | |
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Common terms and phrases
alternative analysis attenuation distortion basic behavior block diagram called channel Chapter circuit complete components cost creative creative technology criterion decision decision theory defined demand functions discussed economic environment environmental factors equation equipment evaluation example existing feedback field frequency given important income individual information theory inputs and outputs interval scale kinds laboratory level of measurement logical loop manufacture Mason's rule matrix means measure ment methods microwave minimax mixed strategy objectives operations research optimal organization payoff payoff matrix physical system possible preference probability profit properties prospectus radio ratio ratio scale relation requirements satisfy scale signal signal-flow graph specific standing plans studies subsystems systems engineering systems engineering process systems synthesis TD-2 system technical techniques telephone television theory tion transfer function transmission utility value system variables