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Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.

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At least 181 records · Page 10

A timed-shared digital filter realization

Special purpose computer organized as time-shared digital filter for real time applications with adaptable coefficients, programming and multiplexing scheme

Carroll, C. C.↗

Instrumentation in a time-shared environment

Time shared computer system providing real time service to multiple laboratory instrumentation, discussing high speed channel, computer control and data abstracting techniques

Reynolds, W. E.↗

The effects of attention sharing in a dynamic dual task environment

There are numerous examples of cases where the human operator is confronted with several tasks occurring simultaneously and continuously in time. The current study is an investigation into the nature of attention sharing between two continuous tasks with independent input-output modes. Eleven subjects were tested using a zero order compensatory control task with three levels of difficulty (input bandwidth) for each subject. As a secondary task on half of the trials, the subjects were also required to verbally shadow a random auditory input. Results from an extensive time and frequency domain analysis of the data are presented and discussed. The evidence supports a single channel model for continuous dual-task control.

Cliff, R. C.↗