Radiation-source unit for generating a beam having two direction
Radio frequency excited ring laser gyro
Radio frequency excited ring laser gyroscope
Radio frequency excited ring laser gyroscope with common inducti
Radio frequency induced plasma excitation of optical emission sp
Radiographic imaging system quality monitor
Radioiodine detector based on laser induced fluorescence
Radiometer
Radiometer for detecting and measuring low levels of pulsed...
Radiometer including means for alternately measuring both power
Radiometer probe
Radiometric Kirk test
Radiometric scatter monitor
Rail measurement system
Rail vehicle mounted rail measurement system
Railroad track profile spacing and alignment apparatus
Rain sensor
Raindrop detecting method and apparatus having...
Raman analysis
Raman analysis apparatus