Here are innovative solutions for your biggest challenges in Electronics and Software - Power Supplies and Management, Board-Level Electronics, Components and Batteries. You’ll find applications essential to military, aviation, medical and automotive design engineering.

News: Green Design & Manufacturing
Voltage Increases Observed in Closely Packed Nanowires

Unexpected voltage increases of up to 25 percent in two barely separated nanowires have been observed at Sandia National Laboratories. Designers of next-generation devices using...

In order to lower energy costs, more and more homeowners are investing in insulation facades. But the typical insulation layers on the market have one drawback: they add bulk. The thick...

Briefs: Information Technology
Framework for Integrating Science Data Processing Algorithms Into Process Control Systems

A software framework called PCS Task Wrapper is responsible for standardizing the setup, process initiation, execution, and file management tasks surrounding the execution of science data algorithms, which are referred to by NASA as Product Generation...

Briefs: Information Technology
Base Flow Model Validation

A method was developed of obtaining propulsive base flow data in both hot and cold jet environments, at Mach numbers and altitude of relevance to NASA launcher designs. The base flow data was used to perform computational fluid dynamics (CFD) turbulence model assessments of base flow predictive capabilities in order to...

Briefs: Information Technology
Time Synchronization and Distribution Mechanisms for Space Networks

This work discusses research on the problems of synchronizing and distributing time information between spacecraft based on the Network Time Protocol (NTP), where NTP is a standard time synchronization protocol widely used in the terrestrial network. The Proximity-1 Space Link...

Briefs: Information Technology
Minimum Landing Error Powered- Descent Guidance for Planetary Missions

An algorithm improves the accuracy with which a lander can be delivered to the surface of Mars. The main idea behind this innovation is the use of a “lossless convexification,” which converts an otherwise non-convex constraint related to thruster throttling to a convex...

Briefs: Information Technology
Local Estimators for Spacecraft Formation Flying

A formation estimation architecture for formation flying builds upon the local information exchange among multiple local estimators. Spacecraft formation flying involves the coordination of states among multiple spacecraft through relative sensing, inter-spacecraft communication, and control. Most...

The bq25504 from Texas Instruments (Dallas, TX) is an integrated energy harvesting nanopower management solution for ultra low power applications. The boost converter is...

Briefs: Electronics & Computers
SNE Industrial Fieldbus Interface

Programmable logic controllers (PLCs) have very limited diagnostic and no prognostic capabilities, while current smart sensor designs do not have the capability to communicate over Fieldbus networks. The aim is to interface smart sensors with PLCs so that health and status information, such as failure mode...

Briefs: Electronics & Computers
Cryogenic 160-GHz MMIC Heterodyne Receiver Module

A cryogenic 160-GHz MMIC heterodyne receiver module has demonstrated a system noise temperature of 100 K or less at 166 GHz. This module builds upon work previously described in “Development of a 150-GHz MMIC Module Prototype for Large-Scale CMB Radiation” (NPO-47664), NASA Tech Briefs, Vol....

Briefs: Electronics & Computers
Onboard Interferometric SAR Processor for the Ka-band Radar Interferometer (KaRIn)

An interferometric synthetic aperture radar (SAR) onboard processor concept and algorithm has been developed for the Ka-band radar interferometer (KaRIn) instrument on the Surface and Ocean Topography (SWOT) mission. This is a mission-critical subsystem that will...

Briefs: Electronics & Computers
XMOS XC-2 Development Board for Mechanical Control and Data Collection

The scanning microwave limb sounder (SMLS) will use technological improvements in low-noise mixers to provide precise data on the Earth’s atmospheric composition with high spatial resolution. This project focuses on the design and implementation of a real-time control...

Briefs: Electronics & Computers
Composite Thermal Switch

Lithium primary and lithium ion secondary batteries provide high specific energy and energy density. The use of these batteries also helps to reduce launch weight. Both primary and secondary cells can be packaged as highrate cells, which can present a threat to crew and equipment in the event of external or internal...

Briefs: Electronics & Computers
Ka-Band, Multi- Gigabit-Per-Second Transceiver

A document discusses a multi-Gigabitper- second, Ka-band transceiver with a software-defined modem (SDM) capable of digitally encoding/decoding data and compensating for linear and nonlinear distortions in the end-to-end system, including the traveling-wave tube amplifier (TWTA). This innovation can...

Briefs: Electronics & Computers
Receiver Gain Modulation Circuit

A receiver gain modulation circuit (RGMC) was developed that modulates the power gain of the output of a radiometer receiver with a test signal. As the radiometer receiver switches between calibration noise references, the test signal is mixed with the calibrated noise and thus produces an ensemble set of...

Briefs: Electronics & Computers
CoNNeCT Baseband Processor Module

A document describes the CoNNeCT Baseband Processor Module (BPM) based on an updated processor, memory technology, and field-programmable gate arrays (FPGAs). The BPM was developed from a requirement to provide sufficient computing power and memory storage to conduct experiments for a Software Defined Radio...

Briefs: Electronics & Computers
Digital Interface Board to Control Phase and Amplitude of Four Channels

An increasing number of parts are designed with digital control interfaces, including phase shifters and variable attenuators. When designing an antenna array in which each antenna has independent amplitude and phase control, the number of digital control lines that must be...

Briefs: Electronics & Computers
NEXUS Scalable and Distributed Next-Generation Avionics Bus for Space Missions

A paper discusses NEXUS, a common, next-generation avionics interconnect that is transparently compatible with wired, fiber-optic, and RF physical layers; provides a flexible, scalable, packet switched topology; is fault-tolerant with submicrosecond detection/recovery...

Articles: Electronics & Computers
Event-Driven Processor Programming

Almost since computers were invented, interrupts have been a common programming method to deal with real-time tasks. An interrupt causes a processor to stop the running task, and to execute an interrupt...

Creating a new field programmable gate array is no small feat. FPGA vendors spend tens-of-thousands of man-hours simply researching markets to determine the feature...

Products: Electronics & Computers
Rad-Hard FPGAs

The rad-hard and rad-tolerant reprogrammable Virtex®- 5QV FPGA from Xilinx (San Jose, CA) supports specified Total Ionizing Dose (TID) and characterized Single-Event Effects (SEE). The space-grade field programmable gate...

Products: Electronics & Computers
Graphics Processor

AMD (Sunnyvale, CA) has introduced the AMD Radeon™ E6460 discrete graphics processor. With support for up to four simultaneous displays, the E6460 GPU enables an immersive experience with desktop-level 3D graphics and...

Briefs: Software
Space Environments Testbed

The Space Environments Testbed (SET) is a flight controller data system for the Common Carrier Assembly. The SET-1 flight software provides the command, telemetry, and experiment control to ground operators for the...

Briefs: Software
Ndarts

Ndarts software provides algorithms for computing quantities associated with the dynamics of articulated, rigid-link, multibody systems. It is designed as a general- purpose dynamics library that can be used for the modeling of robotic platforms, space vehicles, molecular dynamics, and other such applications. The architecture and...

Briefs: Software
High-Performance 3D Articulated Robot Display

In the domain of telerobotic operations, the primary challenge facing the operator is to understand the state of the robotic platform. One key aspect of understanding the state is to visualize the physical location and configuration of the platform. As there is a wide variety of mobile robots, the...

Briefs: Software
'In Situ' Surface Characterization

Operation of in situ space assets, such as rovers and landers, requires operators to acquire a thorough understanding of the environment surrounding the spacecraft. The following programs help with that understanding by providing higherlevel information characterizing the surface, which is not immediately...

Briefs: Software
Athena

The Athena simulation software supports an analyst from DoD or other federal agency in making stability and reconstruction projections for operational analyses in areas like Iraq or Afghanistan. It encompasses the use of all elements of national power: diplomatic, information, military, and economic (DIME), and anticipates their effects...

The evolution of operator interfaces has moved quite far beyond the pushbutton. Once, the intelligence resided in the operator’s brain, and considerable experience and training were required to...

ERDAS APOLLO Essentials - Image Web Server
ERDAS
Norcross, GA
770-776-3400
www.erdas.com

The Italian Space Agency (ASI) is using ERDAS APOLLO to manage...

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