Stories
33
0
4050
30
Briefs: Electronics & Computers
The cascade back-propagation (CBP) algorithm is the basis of a conceptual design for accelerating learning in artificial neural networks. The neural networks would be implemented as analog...
Briefs: Electronics & Computers
A number of display systems primarily used in specialized areas such as aviation, space (NASA), and military/defense employ non-standard video signal...
Briefs: Electronics & Computers
Suitably patterned arrays (blocks) of quantum-dot cellular automata (QCA) have been proposed as fault-tolerant universal logic gates. These block QCA gates could be used to realize the potential of QCA for...
Briefs: Electronics & Computers
A data-processor architecture that would incorporate elements of both conventional very-large-scale integrated (VLSI) circuitry and quantum- dot cellular automata (QCA) has been proposed to enable...
Briefs: Electronics & Computers
Electronic heat-transfer devices of a proposed type would exploit some of the quantum-wire-like, pseudo-superconducting properties of single-wall carbon nanotubes or, optionally, room- temperature-...
Briefs: Electronics & Computers
Signal-conditioning amplifier recorders (SCAmpRs) have been proposed as a means of simplifying and upgrading the Kennedy Space Center (KSC) Ground Measurement System (GMS), which is a versatile...
Briefs: Electronics & Computers
SpaceWire Driver Software for Special DSPs
A computer program provides a high-level C-language interface to electronics circuitry that controls a SpaceWire interface in a system based on a space qualified version of the ADSP-21020 digital signal processor (DSP). SpaceWire is a spacecraft-oriented standard for packet-switching data-communication...
Briefs: Electronics & Computers
Proposed integrated-circuit modules called "nanoconverters" would derive DC power from impinging electromagnetic beams having frequencies in the terahertz range. Nanoconverters are composed of microscopic...
Briefs: Electronics & Computers
Rotary electrical couplings based on induction (transformer action) rather than conduction between rotating and stationary circuitry have been invented. These couplings provide an alternative to slip...
Briefs: Electronics & Computers
Metal oxide semiconductor (MOS) circuits for measuring spatially varying intensities of beams of low-energy charged particles have been developed. These circuits are intended especially...
Briefs: Electronics & Computers
Software for Remote Monitoring of Space-Station Payloads
Telescience Resource Kit (TReK) is a suite of application programs that enables geographically dispersed users to monitor scientific payloads aboard the International Space Station (ISS). TReK provides local ground support services that can simultaneously receive, process, record, playback,...
Briefs: Electronics & Computers
Relating Downlink Data Products to Uplink Commands
An improved data-labeling system provides for automatic association of data products of an exploratory robot (downlink information) with previously transmitted commands (uplink information) that caused the robot to gather the data. Such association is essential to correct and timely analysis of the...
Briefs: Electronics & Computers
Arrays of electrodes integrated with chip-scale packages and silicon-based integrated circuits have been proposed for use as medical electronic implants, including neuro-prosthetic...
Briefs: Energy
The term "common/dependent pressure vessel" (C/DPV) denotes a proposed alternative configuration for a nickel-hydrogen battery. The C/DPV configuration is so named because it...
Briefs: Electronics & Computers
Capacitors capable of storing energy at high densities are being developed for use in pulse-power circuits in such diverse systems as defibrillators, particle-beam accelerators, microwave sources, and weapons....
Briefs: Electronics & Computers
Eroding potentiometers have been devised for measuring the time-dependent positions of char fronts advancing through layers of insulating material subject to intense heating from one side. In the original application, the...
Briefs: Electronics & Computers
Survivable Failure Data Recorders for Spacecraft
A spacecraft may be unable to communicate critical data associated with a serious or catastrophic failure. A brief report proposes a system, somewhat like a commercial aircraft "black box," for retrieving these data. A microspacecraft attached to the prime spacecraft would continually store recent...
Briefs: Electronics & Computers
A proposed integrated circuit based on quantum-dot cellular automata (QCA) would function as a bit-serial adder. This circuit would serve as a prototype building block for demonstrating the feasibility of...
Briefs: Electronics & Computers
Architectures that would exploit the distinct characteristics of quantum-dot cellular automata (QCA) have been proposed for digital communication networks that connect advanced digital...
Briefs: Electronics & Computers
A radio receiver system that features enhanced capabilities for remote sensing by use of reflected Global Positioning System (GPS) signals has been developed. This system was designed...
Briefs: Electronics & Computers
InAs quantum-dot lasers that feature distributed feedback and lateral evanescent-wave coupling have been demonstrated in operation at a wavelength of 1.3 µm. These lasers are prototypes...
Briefs: Electronics & Computers
A proposed complementary metal oxide/semiconductor (CMOS) photodiode integrated-circuit imaging device of the active-pixel-sensor (APS) type would include column feedback sub-circuits that...
Briefs: Electronics & Computers
An optoelectronic/digital flash x-ray imaging system has been invented for use in quantitative physiological studies and general radiology. The system could be implemented in a relatively...
Briefs: Electronics & Computers
A custom high-speed charge-coupled-device (CCD) camera that features a capability for real-time readout from multiple regions of interest (subwindows) within its field of view is undergoing...
Briefs: Electronics & Computers
Interface System for Downlinking Digital TV Signals From Spacecraft
A system of interface electronic circuitry that includes a data packetizer and a data depacketizer has been developed to enable the downlinking of both standard- and high-definition television (SDTV and HDTV) signals from a space shuttle or the International Space Station. The...
Briefs: Electronics & Computers
Stereoscopic Vision System Tracks Objects in Real Time
A stereoscopic machine-vision system offers a capability for robust tracking of objects in three dimensions (3D). The system is suitable for use in a variety of robotic applications. The system hardware includes a pan-tilt-verge camera and aiming mechanism assembly and a board that holds...
Briefs: Electronics & Computers
A high-efficiency, high-frame-rate ultraviolet (UV) charge-coupled device (CCD) camera that is especially well suited for biological and defense applications was developed. This is the...
Briefs: Electronics & Computers
The Data Acquisition and Control Systems (DACS) Laboratory is a facility at Stennis Space Center that provides an off test-stand capability to develop data-acquisition and control systems for...
Briefs: Electronics & Computers
The best-effort geographical multi-hop routing (BEGHR) protocol routes packets of data in an ad hoc digital radio-communication network on the basis of the current geographical...
Top Stories
Blog: Sensors/Data Acquisition
Going for Gold in Winter Olympic Curling
Blog: Energy
Batteries that Can Withstand the Cold
INSIDER: Design
Advancing All-Solid-State Batteries
Blog: Design
Blog: Materials
Making Tungsten Carbide a More Viable Alternative
INSIDER: Power
Webcasts
Upcoming Webinars: Sensors/Data Acquisition
Beyond AI-Copy-Paste Engineering: Advanced AI-Integration Success...
Upcoming Webinars: Energy
Battery Abuse Testing: Pushing to Failure
Upcoming Webinars: Power
A FREE Two-Day Event Dedicated to Connected Mobility
Upcoming Webinars: Test & Measurement
Choosing the Right N-Port Strategy: Multiport VNAs vs. Switch...
Upcoming Webinars: Energy
2026 Battery & Electrification Summit (Online)
Upcoming Webinars: Mechanical & Fluid Systems
The Over-Engineering Trap: Aligning Custom Equipment Specs with...
