Keyword: Identification

Briefs: Materials
Microfabricated Particles as MRI Contrast Agents

Magnetic resonance imaging (MRI) has become an invaluable, widely used medical diagnostic and research tool, but despite numerous chemically synthesized image-enhancing agents, MRI still lacks the sensitivity and the multiplexing capabilities of optical imaging that benefit from colored...

Briefs: Mechanical & Fluid Systems

In storage and/or transport of certain items, the ability to detect tampering with a container or compartment for such items can be necessary and valuable. In the transport of hazardous substances or nuclear materials...

Briefs: Sensors/Data Acquisition

For years, radio frequency identification (RFID) technology has been used in a variety of applications, from passports to inventory tracking. Homeland security concerns have heightened the...

Briefs: Communications

Many industrial and commercial plants, government and private research facilities, and industrial facilities perform potentially dangerous processes. Automated warning and alarm systems alert personnel to...

Briefs: Test & Measurement
Decoupled Ranging and Orientation Inversions Enable Linear and Fast Long-Range Non-Line-of-Sight Positioning

The wireless radio positioning or radiolocation problem is of great importance in society today. Existing radiolocation systems such as the Global Positioning System (GPS), Radio-Frequency Identification (RFID) systems, and Ultra...

Briefs: Test & Measurement

Devices for manipulating fluids on the microscale have been developed to store, hold, and manipulate small amounts of fluids, and have been applied to the detection of analytes in sample...

Briefs: Aerospace
Aircraft Deicing Decision Support Tool (DST)

Smooth and efficient operation of the National Airspace System depends on timely execution of flight-related events. Weather can severely disrupt the carefully planned flight schedules at a hub airport and impact travelers through out the country. In particular, a snowstorm may cause substantial...

Briefs: Communications
Wideband Retroreflector

There are many known methods of retransmitting radio wave signals intra-building and inter-building, as well as ground-to-aircraft or ground-to-satellite. Some techniques modulate the reflection coefficient of an antenna. Prior art has used frequency multiplication or field effect transistor (FET) mixing to modulate the...

Briefs: Manufacturing & Prototyping

Carbon fiber (CF) and carbon fiber composites have gained widespread use in recent years due to their unique combination of high strength and...

Briefs: Mechanical & Fluid Systems

This technology is a low-cost RFID-based torque and tension sensor for high-performance fasteners, such as bolts, that are used in sophisticated high-tech equipment and systems. It offers...

Briefs: Communications
Ad Hoc Selection of Voice Over Internet Streams

NASA seeks interested parties to license the Ad Hoc Selection for Voice Over Internet (VoIP) Streams technology developed by engineers at Johnson Space Center. This technology features the ability to select specific audio streams from one or more sources and then convert them into a multicast to...

Briefs: Materials

NASA's Langley Research Center has created a new class of materials based on depositing nanometer-sized metal particles onto carbon allotropes. The method is scalable and relatively...

Briefs: Photonics/Optics
CUDA Framework for Linear Time-Invariant Control of Adaptive Optics Systems

Current science objectives, such as high-contrast imaging of exoplanets, have led to the development of highorder adaptive optics (AO) systems possessing several thousand deformable mirror (DM) actuators. These systems typically rely on integrator-based control...

Articles: Sensors/Data Acquisition

On October 21, 2016, the Internet saw a significant distributed denial of service (DDoS) attack, conducted via a botnet comprising many co-opted Internet-connected devices....

Briefs: Aerospace

NASA's Langley Research Center has created a novel process that significantly improves the effectiveness of high-lift devices on aircraft wings by utilizing a hybrid concept...

Briefs: Test & Measurement

Research at The University of Nottingham (UK) and the University at Ningbo (China) has found that laser scanning is a viable structural safety technique to detect the damaging...

NASA Spinoff: Imaging

For more than 25 years, the Hubble Space Telescope has provided stunning photos of the universe unequalled in their depth, detail, and distinction. But in its early days, Hubble wasn't capable...

Briefs: Mechanical & Fluid Systems
RFID Cavity

This technology provides a method for interrogating collections of items with radio-frequency identification (RFID) tags. It increases the read accuracy, meaning that more of the item tags will be successfully read. It also permits smaller tag antennas than would otherwise be necessary.

Briefs: Imaging
CUDA Framework for Linear Time-Invariant Control of Adaptive Optics Systems

Current science objectives, such as high-contrast imaging of exoplanets, have led to the development of high-order adaptive optics (AO) systems possessing several thousand deformable mirror (DM) actuators. These systems typically rely on integrator-based control...

Articles: Software

Imagine coming home and dropping your phone, laptop, and Bluetooth® headset on your kitchen table so that they all recharge simultaneously. What if you could drive your electric...

Briefs: RF & Microwave Electronics

NASA’s Glenn Research Center has developed nanoionic-based radio frequency (RF) switches for use in devices that rely on low-power RF transmissions, such as automotive systems, RFID...

Articles: Aerospace

Inspectors who are assessing the severity of defects and the dimensions of small features on precision machined surfaces are limited by the capabilities of existing measurement techniques. A new type of...

Briefs: Software
Fourier Transform Spectrometer Performance Modeling

This software models the performance of a Fourier transform spectrometer (FTS). More specifically, it is able to add a number of noise/error sources to the interferogram and transform the errors back to the spectral domain.

Articles: Robotics, Automation & Control

“Over the years, I’ve asked people, ‘If you had a robot, what would you want it to do for you?’” said Rob Ambrose, principal investigator for NASA’s Game Changing Development Program and chief of the...

Application Briefs: Photonics/Optics

The “always-true” use case for 360º vision systems is to avoid blind spots. Blind spots are a byproduct of conventional cameras. They have a limited field of view and they only see in the...

Briefs: RF & Microwave Electronics
Low-Power Wireless Body Area Network (WBAN) Communication System

NASA seeks semi-passive, RFIDenabled wearable tags for inventory tracking and astronaut body area network applications. Wearable sensor tags can be printed on astronaut clothing or suits, and are powered by printed thin film batteries and/or via energy harvesting. Energy is...

Briefs: Electronics & Computers

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

Application Briefs: Imaging

Counterfeit parts and materials pose a serious threat to the United States defense supply chain. The National Defense Authorization Act (NDAA) of 2012 (Section 818) laid out strict...

Briefs: Sensors/Data Acquisition
Wireless Multi-Walled Carbon Nanotube Microwave Heater System Using RFID-Based Temperature Feedback

This innovation has two main parts — a wireless, flexible film heater containing multi-walled carbon nanotubes (MWCNTs) to convert radiated microwave energy into heat, and a radio frequency identification (RFID) temperature sensor to provide...