Search NASASearch

Engineering topics

Hurd, William A.

Publications and source records attributed to Hurd, William A..

Computer Interface For A Spectroreflectometer

FORTRAN program controls stepping motors and signal-processing electronics via S-100 computer bus. Group of spectroreflectometers modified to provide computer-controlled operation and data collection. Analog and digital signal-processing circuits enable use of computerized automatic data collection and analysis. Previously, spectroreflectometer data recorded on strip charts.

Hurd, William A.