A Methodology for Systems Engineering, Volume 24 |
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Page 72
... signal which is subtracted from the input to produce an error signal . The controller changes the error signal into a form . needed to drive the process ; it may be as simple as an amplifier . Fig . 3-4 is just one of several types of ...
... signal which is subtracted from the input to produce an error signal . The controller changes the error signal into a form . needed to drive the process ; it may be as simple as an amplifier . Fig . 3-4 is just one of several types of ...
Page 353
... SIGNAL - FLOW GRAPHS A signal - flow diagram is simply a topological way of writing a set of simultaneous equations . The structure of the signal - flow graph is built around the system variable nodes , which are generally drawn first ...
... SIGNAL - FLOW GRAPHS A signal - flow diagram is simply a topological way of writing a set of simultaneous equations . The structure of the signal - flow graph is built around the system variable nodes , which are generally drawn first ...
Page 404
... signals are instants in time . In many cases these instants are important and are marked by special start and stop signals . The duration of a message or signal is the time differ- ence between the start and the end . Often in signal ...
... signals are instants in time . In many cases these instants are important and are marked by special start and stop signals . The duration of a message or signal is the time differ- ence between the start and the end . Often in signal ...
Contents
WHAT IS SYSTEMS ENGINEERING? | 3 |
1 | 11 |
THE TD2 RADIO RELAY SYSTEM | 22 |
Copyright | |
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action alternative analysis applied approach basic block called channel Chapter choose complete components consequences consider cost creative criterion decision defined definition demand detailed determine discussed economic effect environment equation equipment example existing expected experience fact factors field frequency function give given graph human ideas important income increase individual input interest kinds knowledge limited lines means measure methods nature necessary objectives operations organization output performance phase physical planning possible preference present probability problem profit properties questions radio reason received relation requirements satisfy scale shows signal sometimes specific standard step studies synthesis systems engineering technical techniques telephone theory tion units usually utility variables wanted York