Electrical, Electronics, and Avionics

Radar

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Briefs: Green Design & Manufacturing
Three-Band Cloud and Precipitation Radar
After many years of use of Tropical Rainfall Measurement Mission (TRMM) and CloudSat data, focus groups within the cloud and precipitation science community produced requirements for the next generation of missions. The first draft of Aerosol-Cloud-Ecosystem mission requirements was formalized in 2009,...
Briefs: Photonics/Optics
NASA's Langley Research Center has made a breakthrough improvement in laser frequency modulation. Frequency modulation technology has been used for surface...
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Application Briefs: Photonics/Optics
NASA’s Langley Research Center has made a breakthrough improvement in laser frequency modulation. Frequency modulation technology has been used for surface mapping...
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Briefs: Test & Measurement
NASA’s Langley Research Center has developed a novel method for long-range atmospheric pressure sensing. Based on known properties involving oxygen density, the technology is able to...
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Briefs: Electronics & Computers
A High-Efficiency Power Module
Innovators at NASA’s Glenn Research Center have developed a microwave power module to power radar, communications, and/or navigation interchangeably. This high-efficiency, all-solid-state microwave power module (MPM) is based on a multi-stage distributed-amplifier design, which is capable of very wideband operation....
Articles: RF & Microwave Electronics
When global food prices spiked dramatically in late 2007 and into 2008, with the costs of many basic dietary staples doubling or even tripling, protests and riots upset...
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Articles: Robotics, Automation & Control
Modern satellites use motors for many purposes — moving solar panels for optimum alignment to the Sun; moving reaction wheels to change the orientation...
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Briefs: Software
High-Fidelity 3D Electromagnetic (E&M) Propagation Modeling Tools
For a future potential radar sounder mission to small celestial bodies like comets and asteroids, it is important to understand the interaction between propagating waves and interior geophysical structures. In general, it is not easy to build a software model capable of handling...
Application Briefs: Imaging
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 direction...
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Briefs: Aerospace
The legacy SeaWinds scatterometer radar needed to be interfaced to the International Space Station (ISS) without any modifications. It had been designed to fly on the Adeos II spacecraft. An interface to translate...
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INSIDER: Electronics & Computers
A new highly efficient power amplifier for electronics could help make possible next-generation cell phones, low-cost collision-avoidance radar for cars and lightweight...
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Articles: Sensors/Data Acquisition
On April 25, 2015, a magnitude - 7.8 earthquake caused widespread building damage in central Nepal. The Italian Space Agency’s COSMO-SkyMed Synthetic Aperture Radar (SAR) satellite acquired data over...
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Briefs: Software
Single Doppler Retrieval Toolkit (SingleDop)
Single-Doppler retrieval of low-level, two-dimensional winds is desired to compare ground radar wind retrievals to satellite scatterometer wind retrievals. This needs to be integrated within the growing collection of open-source radar tools maintained by the Python Atmospheric/Ocean Sciences (PyAOS)...
Briefs: Sensors/Data Acquisition
Millimeter-wave (mm-wave) imaging techniques are already a popular solution for imaging through dust and fog. While mm-wave offers excellent penetration to dust when compared with infrared or optical sensing,...
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Briefs: Software
Marshall MRMS Mosaic Python Toolkit (MMM-Py)
This Python script will allow the user to read, analyze, and display National Oceanic and Atmospheric Administration (NOAA) Multi-Radar/Multi-Sensor(MRMS) mosaic tile files containing mosaic radar reflectivities on a national 3D grid. Simple diagnostics and plotting, as well as computation of composite...
Briefs: Software
Python Turbulence Detection Algorithm (PyTDA)
This software, written in the Python programming language, estimates turbulence from Doppler radar data. It ingests radar data using the Department of Energy’s Py-ART open-source radar software toolkit.
Briefs: RF & Microwave Electronics
Wideband, Dual-Polarized, Ultra-Low-Noise Focal Plane Array Feed for Active/Passive Microwave Remote Sensing
NASA missions utilize active, passive, or both, microwave sounders with a large reflector antenna as an important component. In most of these applications, design engineers have realized that desirable science requirements (spatial and...
Briefs: RF & Microwave Electronics
RF System MATLAB Model Simulation Using a Variety of Data Sources
During the development of the Soil Moisture Active-Passive (SMAP) High-Power Amplifier (HPA), a power glitch was observed with the characteristic of producing small 0.1-0.3 dB jumps in power across temperature. In order to troubleshoot this glitch behavior, a nonlinear model that...
INSIDER: Electronics & Computers
As mobile and wearable devices such as smartwatches grow smaller, it gets tougher for people to interact with screens the size of a matchbook. That could change with a new sonar...
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Briefs: Electronics & Computers
Constellations of low-cost, small instruments provide global, distributed, and frequent coverage, enabling unique science observations. However, radars are active instruments...
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Briefs: Electronics & Computers
Microwave spectroscopy is an invaluable tool for studying the structure, dynamics, and even the handedness of gas phase species. In...
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Briefs: Energy
Historically, the term microwave power module (MPM) has been associated with a small, fully integrated, self-contained radio frequency (RF) amplifier that combines both...
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Briefs: Electronics & Computers
All-solid-state, room-temperature, multipixel, sub milli meter-wave re ceiv ers are in demand for efficient spatial mapping of a planet’s atmosphere composition and...
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Briefs: Manufacturing & Prototyping
W-band active phased array antennas have a very small inter-element pitch (≈2 mm). In this innovation, instead of trying to integrate isolators into the unit cell...
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Briefs: Sensors/Data Acquisition
SMAP SDS Science Processing and Data Management System
The Science Processing and Data Management (SPDM) system’s primary functions are to control and monitor science processes and data products for Soil Moisture Active Passive (SMAP) Science Data System (SDS). SPDM adapts the Apache/OODT Framework 0.3 as the basic infrastructure. Although the...
Briefs: Software
Control Software for Integrated CW Radar Module
This software controls the behavior of a miniaturized microwave radar module. It controls the hardware, digitizes raw samples from the analog output of the module, and applies DSP (digital signal processing) algorithms to the data stream to reduce the bandwidth and data rate. It also implements an...
Briefs: Information Technology
Furuno Radar/SureTrak Interface Software
The Wallops Flight Facility Launch Range has a need to interface data from ship surveillance Furuno radar to an existing surveillance display system (SureTrak). SureTrak is a multi-sensor waterway and air surveillance system. The display of Furuno radar data by the SureTrak system will be used for risk...
Briefs: Green Design & Manufacturing
Characteristics of the Spliced Kennedy Space Center Doppler Radar Wind Profiler Database
NASA relies on the Natural Environments (NE) Branch located at Marshall Space Flight Center (MSFC) to provide databases that represent the wind magnitudes and wind changes expected on day-of-launch (DOL) for vehicle programs that MSFC NE supports. MSFC NE has...
Application Briefs: Aerospace
Custom linear guide railsNB Corporation of AmericaHanover Park, IL1-800-521-2045www.nbcorporation.com ADC USA, Inc. (Ithaca, NY) develops and supplies high-precision motion systems and...
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