Products: Imaging

Z Microsystems, San Diego, CA, offers the Ground Control Station display panels with real-time enhanced video. The LCD panels use an FPGA to execute image enhancement algorithms in real time for live video surveillance feeds....

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SOFTWARE Tech Briefs - 2009
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Software Tech Briefs is a special supplement to NASA Tech Briefs. Download the digital version (PDF) at right to learn about new software programs outlined in the table of contents below.

Articles: Software

NASA’s Glenn Research Center (Cleveland, OH) and Boeing employees have won the 2008 NASA Software of the Year Award for the development of a general-purpose program used to perform trajectory...

Articles: Electronics & Computers

Industrial PCs (IPCs) are all about performance, including processors, mass storage performance, and network throughput. In all applications — medical,...

Articles: Imaging

Infrared (IR) thermography is an indispensable tool for studying dynamic thermal phenomena. This type of imaging is accomplished with an IR camera (Figure 1) that converts infrared...

Articles: Photonics/Optics

Heat transfer is governed by three distinct mechanisms: convection, conduction, and radiation. Unlike convection or conduction, heat transfer through radiation does not occur...

Who's Who: Aerospace

After a 23 year career at Bell Labs, Dr. Gerard Holzmann joined NASA’s Jet Propulsion Laboratory in 2003 to help...

Application Briefs: Green Design & Manufacturing
Micro-Molded IMLI Matrix part
Phillips Plastics Corp.
Prescott, WI
877-508-0252
phillipsplastics.com

To achieve a high level of energy density...

Application Briefs: Photonics/Optics
C-mount Xenoplan and Cinegon lenses
Schneider Optics
Van Nuys, CA
818-766-3715
www.schneideroptics.com

Schneider Optics’ C-mount Xenoplan and Cinegon lenses...

Application Briefs: Photonics/Optics

Diverse types of lasers, such as nanosecond, pulsed, and excimer, have been considered for various applications in the photovoltaic industry, including edge isolation, edge deletion, drilling for back...

Briefs: Materials

Carbon nanotube (CNT) sheets, yarns, and their derivative products are beginning to emerge in the marketplace. A productive and scalable manufacturing method...

Briefs: Materials

Devices that could be characterized as acoustically driven molecular sieves have been proposed for filtering water to remove all biological contaminants and all molecules larger...

Briefs: Software
Computer Code for Nanostructure Simulation

Due to their small size, nanostructures can have stress and thermal gradients that are larger than any macroscopic analogue. These gradients can lead to specific regions that are susceptible to failure via processes such as plastic deformation by dislocation emission, chemical debonding, and interfacial...

Briefs: Materials
Improvements in Production of Single-Walled Carbon Nanotubes

A continuing program of research and development has been directed toward improvement of a prior batch process in which single-walled carbon nanotubes are formed by catalytic disproportionation of carbon monoxide in a fluidized-bed reactor. The overall effect of the improvements has...

Briefs: Materials
Progress Toward Sequestering Carbon Nanotubes in PmPV

A report reopens the discussion of “Sequestration of Single-Walled Carbon Nanotubes in a Polymer” (MSC-23257), NASA Tech Briefs, Vol. 31, No. 12 (December 2007), page 38. To recapitulate: Sequestration of single-walled carbon nanotubes (SWNTs) in molecules of...

Briefs: Materials
Functionalizing CNTs for Making Epoxy/CNT Composites

Functionalization of carbon nanotubes (CNTs) with linear molecular side chains of polyphenylene ether (PPE) has been shown to be effective in solubilizing the CNTs in the solvent components of solutions that are cast to make epoxy/CNT composite films. (In the absence of solubilization, the...

Briefs: Semiconductors & ICs
Parallel-Processing CMOS Circuitry for M-QAM and 8PSK TCM

There has been some additional development of parts reported in “Multi-Modulator for Bandwidth-Efficient Communication” (NPO-40807), NASA Tech Briefs, Vol. 32, No. 6 (June 2009), page 34. The focus was on:

Briefs: Semiconductors & ICs

The figure schematically depicts an oscillator circuit for driving a piezoelectric transducer to excite vibrations in a mechanical structure. The circuit was designed and built to satisfy...

Briefs: Semiconductors & ICs

A device denoted a board saver has been developed as a means of reducing wear and tear of a printed-circuit board onto which an antifuse field-programmable gate array (FPGA) is to be eventually...

Briefs: Semiconductors & ICs
Digital Synchronizer Without Metastability

A proposed design for a digital synchronizing circuit would eliminate metastability that plagues flip-flop circuits in digital input/output interfaces. This metastability is associated with sampling, by use of flip-flops, of an external signal that is asynchronous with a clock signal that drives the...

Briefs: Electronics & Computers

A two-stage variable sample-rate conversion (SRC) system has been proposed as part of a digital signal-processing system in a digital communication radio receiver that utilizes a variety of...

Briefs: Electronics & Computers

A method of estimating phase drifts of microwave signals distributed to, and transmitted by, antennas in an array involves the use of the signals themselves as phase...

Briefs: Electronics & Computers

Monolithic microwave integrated-circuit (MMIC) amplifiers of a type now being developed for operation at frequencies of hundreds of gigahertz contain InP high- electron-mobility...

Briefs: Electronics & Computers
Compact, Low-Overhead, MIL-STD-1553B Controller

A compact and flexible controller has been developed to provide MIL-STD-1553B Remote Terminal (RT) communications and supporting and related functions with minimal demand on the resources of the system in which the controller is to be installed. (MIL-STD-1553B is a military standard that...

Briefs: Materials

Electrolytes comprising LiPF6 dissolved in alkyl carbonate/fluoroester mixtures have been found to afford improved low-temperature performance and greater high-temperature...

Briefs: Materials

An improved design concept for aerogel vacuum thermal-insulation panels calls for multiple layers of aerogel sandwiched between layers of aluminized Mylar (or equivalent) poly(ethylene...

Briefs: Materials
Using Volcanic Ash To Remove Dissolved Uranium and Lead

Experiments have shown that significant fractions of uranium, lead, and possibly other toxic and/or radioactive substances can be removed from an aqueous solution by simply exposing the solution, at ambient temperature, to a treatment medium that includes weathered volcanic ash from Pu’u...

Briefs: Manufacturing & Prototyping

A new cell designed to mimic the photosynthetic processes of plants to convert carbon dioxide into carbonaceous products and oxygen at high efficiency, has an...

Briefs: Manufacturing & Prototyping
Silicon Wafer-Scale Substrate for Microshutters and Detector Arrays

The silicon substrate carrier was created so that a large-area array (in this case 62,000+ elements of a microshutter array) and a variety of discrete passive and active devices could be mounted on a single board, similar to a printed circuit board. However, the density and...

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