Instrumentation

Briefs: Test & Measurement
Photo-Acoustic Chemical Detector

NASA's Langley Research Center has developed a photo-acoustic sensing-based laser vibrometer for the measurement of ambient chemical species. The technology allows for detection of sub-part-per-billion (ppb) levels...

Briefs: Test & Measurement
Variably Transmittive, Electronically Controlled Eyewear

During instrument flight training, the pilot must have his/her view through the aircraft windscreen restricted to simulate low-visibility conditions while permitting the pilot to view the...

Briefs: Test & Measurement
Method for Ground-to-Satellite Laser Calibration System

NASA’s Langley Research Center has developed the Ground-to-Space Laser Calibration (GSLC) system concept for calibrating Earth observing sensors measuring reflected radiance. GSLC is...

Briefs: Test & Measurement
Energy Analysis Method for Hidden Damage Detection

NASA’s Langley Research Center has developed a new Non-Destructive Testing (NDT) method for identifying and characterizing hidden damage in composite materials. The new technique requires only...

Briefs: Test & Measurement
Deconvolution Methods and Systems for the Mapping of Acoustic Sources from Phased Microphone Arrays

NASA’s Langley Research Center researchers developed DAMAS using an iterative algorithm to deconvolute noise signals, allowing for more accurate...

Briefs: Test & Measurement
High-Precision Electric Gate for Time-of-Flight Ion Mass Spectrometers

NASA’s Goddard Space Flight Center has developed a high-precision electric gate (HPEG) time-of-flight (TOF) mass spectrometer to study the magnetosphere of Jupiter and...

Briefs: Test & Measurement
Method of Adjusting Acoustic Impedances for Impedance-Tunable Acoustic Segments

NASA’s Langley Research Center researchers have developed an adaptive noise-reduction system that optimizes impedance in an aircraft engine. Aerospace and automotive...

Briefs: Test & Measurement
Nanostructure Neutron Converter Layer Development

NASA’s Langley Research Center has developed a nanostructure neutron converter layer that can be used for neutron detection. Neutron radiation is a significant risk in long-duration spaceflight...

Briefs: Test & Measurement
Mars Science Laboratory ChemCam Sun Safety

The Mars Science Laboratory (MSL) ChemCam instrument can be damaged when the Sun enters or passes through its field of view (FOV). There is no Sun cover, yet other instruments mounted with boresights...

Briefs: Test & Measurement
Neutral Mounting of Whispering Gallery Mode Resonators for Suppression of Mechanical Frequency Fluctuations

NASA’s Jet Propulsion Laboratory has developed a neutral mounting scheme that eliminates the acceleration sensitivity of whispering...

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