Keyword: Satellite communications

Briefs: RF & Microwave Electronics
The flexible antenna was designed for active aeronautical satellite communications.
Briefs: Mechanical & Fluid Systems
The valve enables telerobotic resupplying of media such as propellant and pressurant.
Briefs: Motion Control
The open-architecture flight software package provides solutions for onboard orbit determination.
Briefs: Photonics/Optics
A team has introduced a new method for taking high-res images of fast-moving and rotating objects in space, such as satellites or debris in low-Earth orbit.
Briefs: RF & Microwave Electronics
Using microwaves reduces the cost of launching rockets.
Articles: Aerospace
Highly purified, low-outgassing silicones prevent material degradation in satellites and space vehicles.
Briefs: Imaging
Ultra-thin and flexible metalenses could replace traditional camera lenses.
Briefs: RF & Microwave Electronics
This system provides low-cost, reliable 3D LiDAR images in nearly any lighting condition.
NASA Spinoff: Energy
The technology could allow deep-space exploration without running out of propellant.
Briefs: Aerospace
Applications include distributed computer systems, computer security, and commercial satellite systems.
Briefs: Aerospace
This technology cancels out the vibrations of a satellite by vibrating the solar panels in the opposite direction.
Briefs: Communications
This method could lead to the transmission of data at the rate of 100 gigabits per second.
Briefs: Photonics/Optics
The NASA study is a first step in developing a model to deploy in future disasters.
Briefs: Electronics & Computers
This mechanical gyroscope can advance motion sensing capabilities in consumer-sized applications.
Briefs: Communications
Multi- and Wide-Band Single-Feed Patch Antenna

A novel patch antenna technology was developed that provides significant benefits to NASA satellite communication applications, offering a unique wide-band/multi-band operating capability. For other non-space applications, the antenna design also offers broadband capability with high gain for...

Briefs: Communications

NASA Glenn’s cup cylindrical waveguide antenna (CCWA) is a short backfire microwave antenna capable of simultaneously supporting the transmission or reception of two distinct signals having opposite...

Briefs: Photonics/Optics
Secure Optical Quantum Communications

NASA’s Glenn Research Center has developed a method of using entangled-photon pairs to produce highly secure mobile communications that require mere milliwatts of power. Conventional gas Argon-ion laser sources are too large, expensive, and power-intensive to use in portable applications. By contrast,...

Briefs: Green Design & Manufacturing

A device has been developed that is capable of relatively lengthy unattended operations and high sampling frequency of underwater environmental data anywhere in the world. The...

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...

Who's Who: Sensors/Data Acquisition

Using data from NASA’s Earth Observing System Aura satellite, launched in 2004, a team led by Michigan Technological University created a global map of...

Briefs: Communications

NASA's Glenn Research Center invites companies to license a new concept design for terrestrial satellite dishes and communications systems. The Cellular Reflectarray Antenna (CRA) has...

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...

Articles: Motion Control

Modern satellites use motors for many purposes — moving solar panels for optimum alignment to the Sun; moving reaction wheels to change the...

Who's Who: Communications

On December 6, 2015, two small satellites, or CubeSats, successfully launched to the International Space Station. As part of NASA’s...

Who's Who: Photonics/Optics

In 2020, NASA's first-ever integrated-photonics modem will be tested aboard the International Space Station. Mike Krainak leads the development of...

Briefs: Sensors/Data Acquisition
Sensor Planning Service for Submitting Requests to Task the EO-1

A Web interface framework has been developed that implements the Open Geospatial Consortium (OGC) Sensor Planning Service (SPS) specification. The OGC defines the SPS to “provide information concerning content and encoding of the parameter data that has to be provided in order to...

Briefs: Information Technology
Non-Binary Protograph-Based LDPC Codes with Near-Capacity Thresholds

Binary protograph codes are state-of-the-art codes over the binary field Galois Field GF(2). These codes were invented by JPL in 2003 and proposed to CCSDS (Consultative Committee for Space Data Systems) recently as a channel-coding standard for space communications. It is...

Briefs: Communications
Protograph-Based LDPC Bit-Interleaved Coded Modulation

Bandwidth and power-coded modulation schemes are very desirable for many applications in high-data-rate transmission over a given allocated bandwidth. The goal is to design such coded modulation system for a given throughput with the lowest possible signal-to-noise ratio for not only a...

Application Briefs: Imaging
CMOS imager engineering units
SRI International
Menlo Park, CA

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