APPLICATION STUDIES OF COMBINED ANALOG-DIGITAL COMPUTATION TECHNIQUES
MASSACHUSETTS INST OF TECH CAMBRIDGE ELECTRONIC SYSTEMS LAB
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The concept of pulsed-analog computation in which high-speed, time- shared analog computing elements operate under the control of a digital computer is described. The design of a demonstration pulsed-analog computer is presented and applicability of combined analog-digital computation techniques to some computational tasks. The computation tasks were those for which it was felt that combined analog-digital techniques would provide some advantages over purely analog or purely digital techniques. The computational tasks were 1 the solution of partial differ ential equations - here the studies indicated that combined analog-digital techniques can provide enough saving in computation time and computer hardware to make them useful in the control of chemical processes 2 speech synthesis - these studies indicated that a general-purpose combined analog-digital computer can be a very useful research tool where flexibility in the model of the system under study and the control parameters of that model is desired and 3 digital computer cathode-ray tube display - here the studies indicated that a fairly simple pulsed-analog computer can remove from the digital computer the time-consuming task of generating displays of the line drawing type and perform other tasks.
- Computer Programming and Software