NASA NTRS · 19810000262
Processing PCM Data in Real Time
Abstract
Novel hardware configuration makes it possible for Space Shuttle launch processing system to monitor pulse-code-modulated data in real time. Using two microprogramable "option planes," incoming PCM data are monitored for changes at rate of one frame of data (80 16-bit words) every 10 milliseconds. Real-time PCM processor utilizes CPU in mini-computer and CPU's in two option planes.
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Wissink, T. L.. 1982-12-01. Processing PCM Data in Real Time. https://ntrs.nasa.gov/citations/19810000262
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