NASA NTRS · 19780000025
Hybrid random-sound test-control system
Abstract
Controller develops gain-control signals by comparing detected sound levels in each band with reference set levels. By eliminating multiplexing network and single clock used in digital system, design allows servocontrol rate for each band to be adjusted independently.
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Woodbury, R. C.. 1978-06-01. Hybrid random-sound test-control system. https://ntrs.nasa.gov/citations/19780000025
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