Briefs: Information Technology
Projection of Stabilized Aerial Imagery Onto Digital Elevation Maps for Geo-Rectified and Jitter-Free Viewing

As imagery is collected from an airborne platform, an individual viewing the images wants to know from where on the Earth the images were collected. To do this, some information about the camera needs to be known, such as its position...

Briefs: Information Technology
Large Eddy Simulation (LES) of Particle-Laden Temporal Mixing Layers

High-fidelity models of plume-regolith interaction are difficult to develop because of the widely disparate flow conditions that exist in this process. The gas in the core of a rocket plume can often be modeled as a time-dependent, high-temperature, turbulent, reacting...

Briefs: Information Technology
OVERSMART Reporting Tool for Flow Computations Over Large Grid Systems

Structured grid solvers such as NASA’s OVERFLOW compressible Navier-Stokes flow solver can generate large data files that contain convergence histories for flow equation residuals, turbulence model equation residuals, component forces and moments, and component relative...

Briefs: Information Technology
General Methodology for Designing Spacecraft Trajectories

A methodology for designing spacecraft trajectories in any gravitational environment within the solar system has been developed. The methodology facilitates modeling and optimization for problems ranging from that of a single spacecraft orbiting a single celestial body to that of a...

Briefs: Physical Sciences
Hemispherical Field-of-View Above-Water Surface Imager for Submarines

A document discusses solutions to the problem of submarines having to rise above water to detect airplanes in the general vicinity. Two solutions are provided, in which a sensor is located just under the water surface, and at a few to tens of meter depth under the water...

Briefs: Physical Sciences
Quantum-Well Infrared Photodetector (QWIP) Focal Plane Assembly

A paper describes the Thermal Infrared Sensor (TIRS), a QWIP-based instrument intended to supplement the Operational Land Imager (OLI) for the Landsat Data Continuity Mission (LDCM). The TIRS instrument is a farinfrared imager operating in the pushbroom mode with two IR channels:...

Finite element representations of crash test dummies are widely used in the simulation of vehicle safety systems. The biofidelity of such models is strongly dependent on the...

The NASA-sponsored space exploration project, PICTURE (Planet Imaging Concept Testbed Using a Rocket Experiment), seeks to obtain a direct image of an extra-solar...

Plastic-molded components produced by Diversified Plastics are currently speeding through space towards Jupiter aboard NASA’s Juno Space Probe. The craft was launched August 5, 2011, and...

Application Briefs: Photonics/Optics
Single-Frequency, 1,064-nm Laser Designed for Space LIDAR

Redfern Integrated Optics was awarded a Phase 2 Small Business Innovation Research (SBIR) contract for further development of its single-frequency, narrow- linewidth semiconductor...

The United States National Research Council (NRC) has identified Nuclear Thermal Propulsion (NTP) as a high-priority NASA Space Technology Roadmap Area. NTP could be an enabling technology...

Articles: Electronics & Computers
The Evolution of AdvancedTCA How Far Has It Come?

AdvancedTCA (ATCA) continues to evolve to meet not just the market demands for the telecom central office, but networking, data center, medical, and military communications applications. The...

Articles: Electronics & Computers
Designing CompactPCI Systems with Serial Interfaces

With more than a year under its belt since it was officially ratified by PICMG in March of 2011, CompactPCI Serial (PICMG CPCI-S.0) has proven to be a good example of how an industry...

Embedded system designers often find themselves trapped by CPU design choices they made years earlier, since switching costs can be astronomical. Hardware development often involves...

Products: Electronics & Computers
3-in-1 Communication Board

The TCB1000 series communication board from Tri-M Technologies (Vancouver, BC, Canada) integrates CANbus controllers, serial ports, and wireless functionality into a single board solution. The TCB1000 can be used...

Products: Electronics & Computers
FPGAs

The Virtex®-7 X690T FPGA device from Xilinx (San Jose, CA) uses 80 GTH serial transceivers that run up to 13.1 Gbps to break the 2 Tbps single FPGA bandwidth barrier. The FPGA enables scalable chip-to-chip serial interfaces,...

Products: Electronics & Computers
Mezzanine Connectors

FCI (Etters, PA) has released the FCI MezzoStak™ 0.5-mmpitch mezzanine connector, a “mates-to-self” design that uses the same part number for both mated sides. Guidance features assist users with handling,...

Products: Electronics & Computers
MCU SOC With Embedded Firewall

Zilog® (Milpitas, CA), a wholly-owned subsidiary of IXYS Corporation, has introduced ZGATE™, a pioneering joint technology solution utilizing Icon Labs’ (Des Moine, IA) Floodgate™ Packet Filter, a...

Products: Electronics & Computers
Tablet Computer

QRC Technologies (Fredericksburg, VA) has announced the QPADD™, a customizable, semi-rugged tablet with 55 watt expansion bay. QPADD’s expansion bay provides OEM customers with power and multiple interface/connection...

Machine design and deployment requires integration of various technologies such as controls, mechanics, vision, lasers, data acquisition, and software, to mention only a few. These...

Application Briefs: Motion Control
Reducing Linear Bearing Wear

To get the longest working life out of a linear bearing, keep it clean and well lubricated. This common-sense advice may sound easy enough to follow. Yet in the real world of round-the-clock, high-cycle...

Application Briefs: Robotics, Automation & Control
Hull-Cleaning Robot for Large Ships

Toxic paint is used on the bottoms of large ships to prevent fouling, which is when a biofilm layer develops, decreasing the ship’s efficiency moving through the water. To further complicate the matter,...

Products: Motion Control
Rotating Machinery Analysis

Microstar Laboratories (Bellevue, WA) has announced the release of the Rotating Machinery Analysis module with software tools to facilitate mixed time measurements and rotation measurements of rotating machinery....

Products: Motion Control
Thermoplastic Pumps

Hayward Flow Control (Clemmons, NC) has released the T-Series Webster thermoplastic pumps. The vertical, seal-less, immersible pumps feature a single, non-coupled motor/impeller shaft with a proprietary shaft seal. The...

Products: Motion Control
Motorized Microscope Stage

PI, L.P. (Auburn, MA) has introduced the M-687 motorized microscope XY stage for inverted microscopes that features fully integrated, miniaturized ceramic linear drives. The stage is delivered as a complete system...

Products: Robotics, Automation & Control
Accelerometer

Dytran Instruments (Chatsworth, CA) has introduced the Model 3225M39 ultraminiature teardrop IEPE accelerometer with a sensitivity of 10 mV/g, designed to adhesively mount in spaces typically inaccessible to other types of...

Products: Motion Control
Rotary Stages

Aerotech (Pittsburgh, PA) offers the CCS series rotary stages with integrated captured collet chucks that provide automated material handling for a wide range of materials and applications. Collet chucks used with the stages...

Products: Motion Control
Spindle Drive

The GP16 precision spindle drive from maxon motor (Fall River, MA) incorporates a spindle combined with a DC motor to transform rotary motion into axial motion. Gearheads, motors, encoders, and controllers are used to drive the...

Products: Motion Control
Acceleration Sensor and Gyroscope

Bosch Sensortec (Reutlingen, Germany) has integrated two triaxial MEMS sensors in a single package. The BMI055, a combination of an acceleration sensor and a gyroscope, is an inertial measurement unit for...

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