Keyword: Telecommunications

Research News: Lighting

Researchers at the National Institute of Standards and Technology (NIST), working in collaboration with the Naval Research Laboratory, have found that a particular...

Application Briefs: Imaging
CMOS imager engineering units
SRI International
Menlo Park, CA
650-859-2000
www.sri.com

SRI International, working with TowerJazz (Newport Beach, CA), has...

Who's Who: Sensors/Data Acquisition

Dr. Keith Gendreau is the principal investigator of the upcoming Neutron star Interior Composition ExploreR (NICER) mission. He was the 2011 Innovator of...

Briefs: Information Technology
Visualizing Acquisition, Processing, and Network Statistics Through Database Queries

Given a date range, the UAVSAR MySQL database is queried to evaluate data acquisition, processing status, and network performance, and uses the Google Charts API to dynamically return images of pie and bar charts to visualize processing and network statistics....

Briefs: Information Technology
Systems and Services for Near-Real-Time Web Access to NPP Data

The recently launched Suomi National Polar-orbiting Partnership (SNPP) satellite, operated by NASA and the National Oceanic and Atmospheric Administration(NOAA), is providing multispectral global observations over the next several years to support a broad array of research and...

Briefs: Electronics & Computers

A flexible Telemetry Decoder Core (TDC) has been designed to decode Consultative Committee for Space Data Systems (CCSDS) encoded telemetry data. The TDC can be used to eliminate costly ground support...

Articles: Imaging

Smart cameras have been used in industrial applications for roughly two and a half decades, but advances in processor technologies have made the devices much more accessible and popular within the past 7 years,...

Articles: Electronics & Computers

Specifying the ideal power management solution for remote wireless devices found in extreme environments and hard-to-access locations requires more ruggedized solutions. Fortunately, two viable options are now...

Briefs: Information Technology

The communication between NASA space mission operations teams and their respective spacecraft in outer space is accomplished via the Deep...

Briefs: Information Technology

A spacecraft high-gain antenna (HGA) was designed with a sharp Vnotch in its far-field cross-pole pattern to determine the spacecraft...

Research News: Lighting

University of California, San Diego electrical engineering professor Zhaowei Liu and colleagues have taken the first steps in a project to develop fast-blinking LED systems for...

Articles: Automotive

The global automotive industry faces incredible pressures today. The skyrocketing costs of traditional fuels — along with worldwide supply uncertainties — are forcing automakers to not only increase the...

Briefs: Physical Sciences
Interplanetary CubeSats

A report describes upgraded CubeSat satellite elements for the interplanetary environment, with solar sail propulsion and the interplanetary superhighway for navigation and maneuvering. They can host small, capable instruments and optical telecommunications on a mission to map the composition of a sequence of near-Earth...

Briefs: Test & Measurement
JWST IV&V Simulation and Test (JIST) Solid State Recorder (SSR) Simulator

As described in “JWST Integrated Simulation and Test (JIST) Core” (GSC-16739-1) on page 25, the JIST system is a software-based simulator that uses the James Webb Space Telescope (JWST) operational ground system, ground system command/telemetry databases, simulated...

Briefs: Photonics/Optics
Optical Tunable-Based Transmitter for Multiple High-Frequency Bands

The purpose of this innovation is to be able to deliver, individually or simultaneously, multiple microwave high-frequency bands including, but not limited to, L (1.5 GHz), C (7 GHz), X (8.4 GHz), Ku (14.5 GHz), Ka (32 GHz), and Q (38 GHz) frequencies at high data rates and with...

Application Briefs: Manufacturing & Prototyping

New hardware built by research engineers at the U.S. Army Research Laboratory (ARL) is helping NASA retrieve experimental images otherwise lost at sea. The hardware weighs less than two pounds, and...

Briefs: Software
Visiting Vehicle Ground Trajectory Tool

The International Space Station (ISS) Visiting Vehicle Group needed a targeting tool for vehicles that rendezvous with the ISS. The Visiting Vehicle Ground Trajectory targeting tool provides the ability to perform both realtime and planning operations for the Visiting Vehicle Group. This tool provides a...

Briefs: Electronics & Computers
Wireless Integrated Microelectronic Vacuum Sensor System

NASA Stennis Space Center’s (SSC’s) large rocket engine test facility requires the use of liquid propellants, including the use of cryogenic fluids like liquid hydrogen as fuel, and liquid oxygen as an oxidizer (gases which have been liquefied at very low temperatures). These fluids...

Briefs: Photonics/Optics
Slowing Light Via Beam Coupling in Dye-Doped Chiral Nematics

Apart from the fundamental interest of discovering the physical effects that are behind the light-matter interaction processes that make it possible, slowing and storing light currently attracts a lot of attention because the ability to control the propagation speed of optical pulses,...

Articles: Software

Networking originated from the need to share information. Many of us accomplish such a thing on a daily basis through conversation. For example, think about the typical office framework: you work side-by-side...

Articles: Electronics & Computers
iPecs Pro Clinical Prosthetic Alignment and Assessment Tool Michael Leydet, Richard Harrington, Alan Hutchenreuther, Vinay Bharadwaj,
Chuck Krapf, Michael Link, Megan Toscas,...
Articles: Sensors/Data Acquisition
Power Fingerprinting Monitor: Protecting Critical Infrastructure from Cyber Attack Carlos R. Aguayo Gonzalez, Jeffrey H. Reed, and Steven Chen
Power Fingerprinting,...
Briefs: Electronics & Computers
Millimeter-Wave Localizers for Aircraft-to-Aircraft Approach Navigation

Aerial refueling technology for both manned and unmanned aircraft is critical for operations where extended aircraft flight time is required. Existing refueling assets are typically manned aircraft, which couple to a second aircraft through the use of a refueling boom....

Briefs: Physical Sciences

In popular perception, the vastness of space is an empty vacuum dotted with stars, planets, black holes, and other celestial formations. In reality, astrophysicists have shown...

Briefs: Physical Sciences
Electro-Optic Time-to-Space Converter for Optical Detector Jitter Mitigation

A common problem in optical detection is determining the arrival time of a weak optical pulse that may comprise only one to a few photons. Currently, this problem is solved by using a photodetector to convert the optical signal to an electronic signal. The timing of the...

Briefs: Software
Phoenix Telemetry Processor

Phxtelemproc is a C/C++ based telemetry processing program that processes SFDU telemetry packets from the Telemetry Data System (TDS). It generates Experiment Data Records (EDRs) for several instruments including surface stereo imager (SSI); robotic arm camera (RAC); robotic arm (RA); microscopy, electrochemistry, and...

Briefs: Software
Spitzer Telemetry Processing System

The Spitzer Telemetry Processing System (SirtfTlmProc) was designed to address objectives of JPL’s Multi-mission Image Processing Lab (MIPL) in processing spacecraft telemetry and distributing the resulting data to the science community. To minimize costs and maximize operability, the software design focused...

Briefs: Information Technology

This software addresses the demand for easily accessible NASA JPL images and videos by providing a user friendly and simple graphical user interface that can be run via the Android platform from any...

Application Briefs: Lighting

The new 300,000 square foot Diamond Pet Foods facility in Ripon, Calif. went online in May 2012 with more than 500 high-efficiency, Class II Div 2 LED fixtures by...