In the past, automobiles were made up of many independent electronic systems. Even the assembly lines that were used to manufacture the vehicles required the operation and...

Question of the Week
Are cars set to be the next 'ultimate mobile device'?

This week's Question: As companies like Google and Apple lead self-driving car efforts, Hyundai Motors America CEO David Zuchowski expects the bridge between Silicon Valley and auto companies to narrow. In a recent interview with CNBC, Zuchowski suggested cars could replace mobile phones as...

News: Test & Measurement
NASA Measures Raindrop Sizes from Space

For the first time, scientists have three-dimensional snapshots of raindrops and snowflakes around the world, thanks to the joint NASA and Japan Aerospace Exploration Agency Global Precipitation Measurement (GPM) mission. With the new global data on raindrop and snowflake sizes, scientists can improve...

Briefs: Sensors/Data Acquisition
SEA5: Space Environment Automated Alerts & Anomaly Analysis Assistant

The Community Coordinated Modeling Center (CCMC) provides a wide range of space weather tools and services for the general scientific community. One such product that facilitates space weather situational awareness is collectively known as the Integrated Space Weather Analysis...

Briefs: Sensors/Data Acquisition
Extensible Data Gateway Environment (EDGE)

The NASA Physical Oceanography Distributed Active Archive Center (PO.DAAC) is NASA’s designated data center for information relevant to the physical state of the ocean. Its core datamanagement and workflow system, Data Management and Archive System (DMAS), is responsible for processing hundreds of...

Briefs: Sensors/Data Acquisition
Flight Test Maneuvers for Efficient Aerodynamic Modeling

Flight testing is expensive. It is therefore important that necessary flight data be collected in the most efficient manner possible. Inputs traditionally used for flight test maneuvers to collect aircraft stability and control data include doublets, impulses (stick raps), multisteps, and...

Briefs: Sensors/Data Acquisition
JPL CO2 Virtual Science Data Environment (VSDE)

The JPL CO2 Virtual Science Data Environment (VSDE) (http://co2.jpl.nasa.gov) is a comprehensive effort to bring together the models, data, and tools necessary for atmospheric CO2 research. The VSDE site is designed to provide streamlined Web-based discovery and access to multiple global and...

Briefs: Sensors/Data Acquisition
Python Advanced Microwave Precipitation Radiometer Data Toolkit (PyAMPR)

Advanced Microwave Precipitation Radiometer (AMPR) brightness temperature data from NASA field projects are in ASCII format. This Python script defines a class that will read in a single file from an individual aircraft flight and pull out timing, brightness temperatures...

Briefs: Sensors/Data Acquisition
Data Ordering Genetic Optimization (DOGO) System

Observations in modern datasets have a continuum of quality that can be hard to quantify. For example, satellite observations are subject to often-subtle mixtures of confounding forces that distort the observation’s utility to a varying extent. For the Orbiting Carbon Observatory-2 (OCO-2)...

Briefs: Sensors/Data Acquisition
Advanced Rapid Imaging and Analysis for Earthquakes

Advanced Rapid Imaging and Analysis for Earthquakes (ARIA-EQ) will be the first coordinated effort to automate geodetic imaging capabilities so they can be used for hazard response. The innovation is an automatic geodetic imaging data system that is the foundation for an operational hazard...

Saliva is an easily accessible body fluid containing important biological markers of physiological regulation in the body. The ability to use saliva to monitor the health and...

Briefs: Sensors/Data Acquisition
Cryogenic Propellant Feed System Analytical Tool

The Propellant Feed System Analytical Tool (PFSAT) predicts heat leak based on insulation type, installation technique, line supports, penetrations, and instrumentation. It also determines the optimum orifice diameter for an optional thermodynamic vent system (TVS) to counteract heat leak into the...

Briefs: Electronics & Computers
Radiation-Hardened, High-Voltage, Quad-Channel Amplifier

Aradiation-hard, 130-Volt, 100-KHz capable, quad-channel operational amplifier with corresponding power supply and 6th-order Bessel filter circuitry has been designed, fabricated, and successfully tested. To control two-axis microelectromechanical systems (MEMS)-based mirrors, a...

Microwave spectroscopy is an invaluable tool for studying the structure, dynamics, and even the handedness of gas phase species....

Briefs: Electronics & Computers
Signal Digitizer and Cross-Correlation ASIC

Microwave interferometry provides a means of synthesizing large scanning antennas that are not otherwise physically practical for spaceborne Earth observational systems. By cross-correlating multiple receivers of an array, high-resolution images are synthesized from a sparse — or thinned — array of...

Briefs: Electronics & Computers
Image Capture to Stereo Correlation in an FPGA

In this work, there were four independent vision modules implemented in an FPGA: a CameraLink camera interface, rectification, bilateral filtering, and stereo disparity correlation. Each module was originally designed to run from end to end, not in a pipeline with the other modules. This limited...

Constellations of low-cost, small instruments provide global, distributed, and frequent coverage, enabling unique science observations. However, radars are active instruments...

Briefs: Materials
Flexible, High-Temperature Polyimide/Urea Aerogels

Cross-linked silica-based aerogels with polymeric materials, as well as incorporating a flexible linkage into the underlying metal oxide, have been proven to improve strength and resilience over their native, or non-cross-linked, counterparts without adversely affecting porosity and density. In...

Cryogenic fluid management (CFM) is a critical technical area that is needed for the successful development of future space exploration. A key challenge is the storability of LH2, LCH4, and...

Briefs: Materials
Colorimetric Indicator for Detection of AF-M315E

An easy and instant method of detection was needed for AF-M315E, a “green” propellant that produces very little vapor. This makes it hard to detect by smell or other active sensors.

Briefs: Materials
Oriented Nanofibers Embedded in a Polymer Matrix

A method of forming a composite of embedded nanofibers in a polymer matrix with a high degree of alignment has been created using a nanofiber continuous fiber (NCF) system. This innovation incorporates nanofibers in a plastic matrix forming agglomerates, and then uniformly distributes them by...

Briefs: Materials
Low-Scatter Starshade Edges

A starshade occulter is a large space structure whose shape is specially designed to produce a diffraction pattern in starlight that can aid a telescope in direct imaging of exoplanets. The diffraction pattern...

Briefs: Manufacturing & Prototyping
Method to Improve the Synthesis Process of High-Purity Bulk Multi-Element Compounds

Multi-element compounds have been used ubiquitously in various applications, including electronics, optics, opto-electronics, thermoelectrics, superconductivity, and the recently developed application of spintronics. Besides being the main components of some of...

Briefs: Manufacturing & Prototyping
Laser Subdivision of the Genesis Concentrator Target Sample 60000

A need arose for approximately 1 cm2 of a diamond-like-carbon (DLC) concentrator target for the analysis of solar wind nitrogen isotopes. The original target was a circular quadrant with a radius of 3.1 cm; however, the piece did not survive intact when the spacecraft...

Briefs: Manufacturing & Prototyping
Fabrication of an Integrated Photonic Waveguide Joint in Micromachined Silicon

High-aspect-ratio silicon structures are necessary components in many MEMS (microelectromechanical systems). Aspect ratio is defined as the ratio of the height of the structure to its lateral width. The structures are typically fabricated through bulk micromachining...

Briefs: Manufacturing & Prototyping
Very Large Inflatable Antenna Structures

Future space exploration past Earth orbit has a significant need for manufacturing in space beyond simple assembly of prefabricated parts. The next generation of very large aperture antennas will...

Briefs: Mechanical & Fluid Systems
Constraint Force Equation (CFE) Solver for Multi-Body Dynamics and its Implementation in POST2

Existing aerospace flight trajectory programs simulate the motion of aerospace vehicles by modeling external forces and moments acting on each body, but lack provisions for determining reaction forces and moments exerted by one body on another through...

Briefs: Mechanical & Fluid Systems
Cyclops: the Space Station Integrated Kinetic Launcher for Orbital Payload Systems (SSIKLOPS)

The Space Station Integrated Kinetic Launcher for Orbital Payload Systems (SSIKLOPS), also known as “Cyclops,” deployed the largest satellite ever from the International Space Station (ISS) on November 28, 2014. The satellite, SpinSat, a Naval...

Briefs: Mechanical & Fluid Systems
Vacuum-Jacketed Cryogenic Flex-Through

A vacuum-jacketed, cryogenic flex hose was designed with an integrated flange to be able to pass through a vacuum chamber wall. This design increases the quality of the cryogenic fluid at the exit of the hose (i.e., more liquid, less vapor) by extending the hose vacuum-jacket through the chamber wall, where...

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