국내 최대 기계 및 로봇 연구정보

기술보고서

기술보고서 게시판 내용
타이틀	NASA Tech Briefs, September 2009
저자	NONE
Keyword	AEROGELS;; ANTENNA ARRAYS;; CARBON NANOTUBES;; COMPUTER PROGRAMS;; DYNAMIC CONTROL;; ELECTROLYTIC CELLS;; HEAT EXCHANGERS;; IMAGING TECHNIQUES;; INTEGRATED CIRCUITS;; NANOSTRUCTURE (CHARACTERISTICS); MAN MACHINE SYSTEMS;; MICROWAVE CIRCUITS;; SPACECRAFT CONTROL;; WATER VAPOR;; WAVEGUIDES;; WAFERS;; TRANSFORMERS;; TIME LAG;; TELEOPERATORS;; STABILITY;; SYNCHRONIZERS;;
URL	http://hdl.handle.net/2060/20090032070
보고서번호
발행년도	2009
출처	NTRS (NASA Technical Report Server)
ABSTRACT	opics covered include: Filtering Water by Use of Ultrasonically Vibrated Nanotubes;; Computer Code for Nanostructure Simulation;; Functionalizing CNTs for Making Epoxy/CNT Composites;; Improvements in Production of Single-Walled Carbon Nanotubes;; Progress Toward Sequestering Carbon Nanotubes in PmPV;; Two-Stage Variable Sample-Rate Conversion System;; Estimating Transmitted-Signal Phase Variations for Uplink Array Antennas;; Board Saver for Use with Developmental FPGAs;; Circuit for Driving Piezoelectric Transducers;; Digital Synchronizer without Metastability;; Compact, Low-Overhead, MIL-STD-1553B Controller;; Parallel-Processing CMOS Circuitry for M-QAM and 8PSK TCM;; Differential InP HEMT MMIC Amplifiers Embedded in Waveguides;; Improved Aerogel Vacuum Thermal Insulation;; Fluoroester Co-Solvents for Low-Temperature Li Cells;; Using Volcanic Ash to Remove Dissolved Uranium and Lead;; High-Efficiency Artificial Photosynthesis Using a Novel Alkaline Membrane Cell;; Silicon Wafer-Scale Substrate for Microshutters and Detector Arrays;; Micro-Horn Arrays for Ultrasonic Impedance Matching;; Improved Controller for a Three-Axis Piezoelectric Stage;; Nano-Pervaporation Membrane with Heat Exchanger Generates Medical-Grade Water;; Micro-Organ Devices;; Nonlinear Thermal Compensators for WGM Resonators;; Dynamic Self-Locking of an OEO Containing a VCSEL;; Internal Water Vapor Photoacoustic Calibration;; Mid-Infrared Reflectance Imaging of Thermal-Barrier Coatings;; Improving the Visible and Infrared Contrast Ratio of Microshutter Arrays;; Improved Scanners for Microscopic Hyperspectral Imaging;; Rate-Compatible LDPC Codes with Linear Minimum Distance;; PrimeSupplier Cross-Program Impact Analysis and Supplier Stability Indicator Simulation Model;; Integrated Planning for Telepresence With Time Delays;; Minimizing Input-to-Output Latency in Virtual Environment;; Battery Cell Voltage Sensing and Balancing Using Addressable Transformers;; Gaussian and Lognormal Models of Hurricane Gust Factors;; Simulation of Attitude and Trajectory Dynamics and Control of Multiple Spacecraft;; Integrated Modeling of Spacecraft Touch-and-Go Sampling;; Spacecraft Station-Keeping Trajectory and Mission Design Tools;; Efficient Model-Based Diagnosis Engine;; and DSN Simulator.