NASA Tech Briefs, April 2010Topics covered include: Active and Passive Hybrid Sensor; Quick-Response Thermal Actuator for Use as a Heat Switch; System for Hydrogen Sensing; Method for Detecting Perlite Compaction in Large Cryogenic Tanks; Using Thin-Film Thermometers as Heaters in Thermal Control Applications; Directional Spherical Cherenkov Detector; AlGaN Ultraviolet Detectors for Dual-Band UV Detection; K-Band Traveling-Wave Tube Amplifier; Simplified Load-Following Control for a Fuel Cell System; Modified Phase-meter for a Heterodyne Laser Interferometer; Loosely Coupled GPS-Aided Inertial Navigation System for Range Safety; Sideband-Separating, Millimeter-Wave Heterodyne Receiver; Coaxial Propellant Injectors With Faceplate Annulus Control; Adaptable Diffraction Gratings With Wavefront Transformation; Optimizing a Laser Process for Making Carbon Nanotubes; Thermogravimetric Analysis of Single-Wall Carbon Nanotubes; Robotic Arm Comprising Two Bending Segments; Magnetostrictive Brake; Low-Friction, Low-Profile, High-Moment Two-Axis Joint; Foil Gas Thrust Bearings for High-Speed Turbomachinery; Miniature Multi-Axis Mechanism for Hand Controllers; Digitally Enhanced Heterodyne Interferometry; Focusing Light Beams To Improve Atomic-Vapor Optical Buffers; Landmark Detection in Orbital Images Using Salience Histograms; Efficient Bit-to-Symbol Likelihood Mappings; Capacity Maximizing Constellations; Natural-Language Parser for PBEM; Policy Process Editor for P(sup 3)BM Software; A Quality System Database; Trajectory Optimization: OTIS 4; and Computer Software Configuration Item-Specific Flight Software Image Transfer Script Generator.
IDRelationTitle20100012817WorkTrajectory Optimization: OTIS 420100012802WorkModified Phasemeter for a Heterodyne Laser Interferometer20100012795WorkMiniature Multi-Axis Mechanism for Hand Controllers20100012792WorkDigitally Enhanced Heterodyne Interferometry20100012800WorkOptimizing a Laser Process for Making Carbon Nanotubes20100012811WorkAlGaN Ultraviolet Detectors for Dual-Band UV Detection20100012812WorkSystem for Hydrogen Sensing20100012819WorkMagnetostrictive Brake20100012809WorkSideband-Separating, Millimeter-Wave Heterodyne Receiver20100012818WorkComputer Software Configuration Item-Specific Flight Software Image Transfer Script Generator20100012799WorkAdaptable Diffraction Gratings With Wavefront Transformation20100012806WorkLow-Friction, Low-Profile, High-Moment Two-Axis Joint20100012808WorkLoosely Coupled GPS-Aided Inertial Navigation System for Range Safety20100012810WorkActive and Passive Hybrid Sensor20100012813WorkCoaxial Propellant Injectors With Faceplate Annulus Control20100012807WorkRobotic Arm Comprising Two Bending Segments20100012798WorkFocusing Light Beams To Improve Atomic-Vapor Optical Buffers20100012815WorkUsing Thin-Film Thermometers as Heaters in Thermal Control Applications20100012791WorkQuick-Response Thermal Actuator for Use as a Heat Switch20100012816WorkDirectional Spherical Cherenkov Detector20100012820WorkK-Band Traveling-Wave Tube Amplifier20100012796WorkCapacity Maximizing Constellations20100012794WorkThermogravimetric Analysis of Single-Wall Carbon Nanotubes20100012821WorkPolicy Process Editor for P3BM Software20100012797WorkA Quality System Database20100012804WorkFoil Gas Thrust Bearings for High-Speed Turbomachinery20100012805WorkMethod for Detecting Perlite Compaction in Large Cryogenic Tanks20100012793WorkEfficient Bit-to-Symbol Likelihood Mappings20100012814WorkLandmark Detection in Orbital Images Using Salience Histograms20100012803WorkNatural-Language Parser for PBEM20100012801WorkSimplified Load-Following Control for a Fuel Cell System