A speed sensor uses particle detection to measure relative speeds by quantizing signals and counting detected particles.
A tunable optical filter scans wavelengths from a fixed laser to measure aircraft parameters.
A pneumatic line design uses an isolation bracket to thermally separate heating elements from aircraft structures.
A ship speedometer calculates log speeds at individual water depths using a conformed theoretical curve derived from shallow measurement data.
Removable grating transforms light spots into coplanar lines to simplify complex confocal coupling alignment in laser Doppler velocimeters.