January 1, 2009

NASA Tech Briefs - January 2009 - Vol. 33 No. 1

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Inside this issue

Supplements

Features

Application Briefs

Connectors Provide Signal Reliability for Mars Science Laboratory

Wireless Video Surveillance System Secures Aircraft

Who's Who

Dr. Woodrow Whitlow Jr., Director, John H. Glenn Research Center, Cleveland, OH

Articles

CAD Tools: Breaking Barriers

Tech Briefs

Bio-Medical

Sensitive, Rapid Detection of Bacterial Spores

Adenosine Monophosphate-Based Detection of Bacterial Spores

Physical Sciences

Small CO₂ Sensors Operate at Lower Temperature

Effects of Temperature on Polymer/Carbon Chemical Sensors

Tele-Supervised Adaptive Ocean Sensor Fleet

CGH Figure Testing of Aspherical Mirrors in Cold Vacuums

Silicon Microleaks for Inlets of Mass Spectrometers

Series-Coupled Pairs of Silica Microresonators

Manufacturing & Prototyping

Improved Joining of Metal Components to Composite Structures

Machined Titanium Heat-Pipe Wick Structure

Materials

Gadolinia-Doped Ceria Cathodes for Electrolysis of CO2

Information Sciences

High-Performance Algorithm for Solving the Diagnosis Problem

Efficient Method for Optimizing Placement of Sensors

Truncation Depth Rule-of-Thumb for Convolutional Codes

Mechanics & Machinery

Alternative OTEC Scheme for a Submarine Robot

Utilizing Ocean Thermal Energy in a Submarine Robot

Fuel-Cell Power Systems Incorporating Mg-Based H₂ Generators

Semiconductors & ICs

Submillimeter-Wave Amplifier Module With Integrated Waveguide Transitions

Economical Implementation of a Filter Engine in an FPGA

Electronics & Computers

The Radio Frequency Health Node Wireless Sensor System

Synthesis of Submillimeter Radiation for Spectroscopy

Generating Ka-Band Signals Using an X-Band Vector Modulator

100-GHz Phase Switch/Mixer Containing a Slot-Line Transition

SiC Optically Modulated Field-Effect Transistor

Products

ML7 BGS sensors

Photonics West Exhibitor Preview

Photonics Tech Briefs

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Briefs

Metrology System for a Large, Somewhat Flexible Telescope

Formation Flying of Components of a Large Space Telescope

Laser Metrology Heterodyne Phase-Locked Loop

Precise Stabilization of the Optical Frequency of WGMRs

Spatial Modulation Improves Performance in CTIS

Applications

Measuring LED and Solid State Lighting Performance

Articles

Micromachining with Lasers

Embedded Technology

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Products

Software Radio PMC Module

PC/104 Single Board Computer

Graphical Programming Software

VPX/CompactPCI Hybrid Backplane

Toggle Switch

Reconfigurable FPGA AMC Module

CompactPCI Power Supplies

512Mb TSOPII SDRAM

Voltage Controlled Oscillator

Conductive Epoxy With Applicator

1RU Servers

RF Communications Toolkit Software

Applications

Designing Backplanes for Rugged COTS Applications

Articles

Deciphering the New SUMIT™ Specification

Applying Cognitive Memory to Pattern Recognition

Direct Spray Liquid Cooling Systems