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High-Temperature UPS
Falcon Electric (Irwindale, CA) has announced a new line of SSG-RP SeriesTM Ultra-Wide Temperature UPS, with models from 1kVA to 3kVA. Having an operational temperature range of −22 °F to +149 °F (−30 °C to 65 °C)...
Products
Solid State Drive
SMART Modular Technologies (Newark, CA) has introduced the Xcel-100 solid-state drive (SSD) for mission-critical defense and industrial applications. Optimized for rugged applications that require high-performance, SMART's new...
Articles Aerospace
New Tools Bring Faster, Simpler Fluid Flow Analysis Into the Engineering Mainstream
Fluid flow is a critical part of defense and aerospace design, whether the product is a rocket’s fuel valve or a tank’s turret-mounted electronics pod....
Articles Aerospace
FPGA Software Tests Telescope Microshutters
The James Webb Space Telescope (JWST), the next big telescope at NASA, will be placed at a stable Lagrange point approximately 1 million miles from the Earth. This telescope is the next stepping stone...
Briefs Physical Sciences
Compressive Oversampling for Robust Data Transmission in Sensor Networks
A paper discusses recent developments in the area of Compressive Sensing (CS) for data loss in wireless sensing applications. Since many physical signals of interest are known to be sparse or compressible, employing CS not only compresses the data and reduces the effective...
Briefs Materials
Temperature Effect on Drop-Weight Impact of Hybrid Woven Composites
The main idea of composite material is to combine different materials to produce a new material with performance unattainable by the individual constituents. It gives...
Briefs Materials
Synthesis of Long-Chain-Branched (LCB) Polysulfones for Multifunctional Transport Membranes
Increasing numbers of technologies are based on the idea of harnessing charge transport for useful processes such as energy harvesting, actuation, and sensing. Although much progress exists based on perfluorosulfonated platforms, new and more complicated...
Briefs Materials
Biodegradable MEMS Based on Cellulose Paper
Electro-Active Paper(EAPap) has been recognized as a new smart material that can be used for sensors, actuators, biomimetic robots, and smart wallpapers. EAPap is made with cellulose paper by coating...
Briefs Nanotechnology
Functionalized Silk Materials
T he goal of this work was to exploit the novel structural, physical, and biological features of silk proteins towards functionalization of materials systems generated from this family of protein. A new generation of functional silk systems is sought to provide novel materials with precise control of material features....
Briefs Materials
Dynamic Response and Failure Mechanisms of Layered Ceramic-Elastomer-Polymer/Metal Composites
A thorough study through a combination of ballistic and impact experiments, microscopic failure characterization, and numerical simulations has been carried out in order to decipher the underlying mechanisms involved in the interaction between a blast...
Briefs Electronics & Computers
Ultra-Low-Power Radios for Ad-Hoc Sensing Networks
Anew method has been developed for the design of a miniature, low-power, low-cost radio node capable of self-organization and communication within an ad-hoc network. The integrated radio transceiver, combined with a backend processor in a single networkable node, offers unique network scalability...
Briefs Data Acquisition
MEMS Resettable Circuit Breaker and Switch for DC-DC Voltage Converters
Resettable circuit breaker cantilevers use silicon dioxide (SiO2) for temper ature compensation. The compressive stress in the SiO2 causes the cantilever to bow upwards 400...
Briefs Electronics & Computers
Finite-Element Simulations of Field and Current Distributions in Multifilament Superconducting Films
The separation of high-temperature superconducting (HTS) tapes in filaments is a viable approach to reduce AC losses in HTS high-power...
Briefs Mechanical & Fluid Systems
Nozzles for Focusing Aerosol Particles
Several nozzles have been designed to aerodynamically focus aerosol particles into a small-diameter jet, so that individual particles can be illuminated by a laser beam and their light scattering and/or laser-induced fluorescence (LIF) spectra can be measured. An additional nozzle can aerodynamically puff...
Briefs Mechanical & Fluid Systems
Parallel Hybrid Vehicles Using Fuzzy Logic Control
A fuzzy logic controller for hybrid vehicles with parallel configuration was proposed. Using the state-of-charge (SOC) of the energy storage, the driver command, and the motor/generator speed, a set of rules was developed. The fuzzy logic controller can determine the split between the electric...
Briefs Physical Sciences
Development of an Electrochemical Biosensor for Organophosphate Chemicals
Detection of organophosphate (OP) compounds has attracted much attention in terms of safeguarding human health, owing to their frequent use as pesticides in agriculture and their potential use as chemical warfare agents. Among a variety of biological methods based on the...
Briefs Physical Sciences
Novel Active Transient Cooling Systems
Energy-efficient cooling technology is extremely important in today’s society, considering the need for energy conservation and the urgent need to mitigate global warming. Near-room-temperature magnetic...
Briefs Physical Sciences
Diode Laser Sensor for Scramjet Inlets
The supersonic combustion ramjet (scramjet) engine is one of the more promising high-speed flight propulsion technologies. One of the reasons for this is the simplicity of the engine design, having no...
Briefs Physical Sciences
MALDI-MSI Imaging of Latent Fingerprints
For years, forensic scientists have been seeking new methods to improve existing techniques for the visualization of latent fingerprints. The structured combination of optical methods (diffused reflection, luminescence, UV absorption and reflection), physical methods (powdering, vacuum metal deposition,...
Products
Sight Glass
Precision Hermetic Technology (Redlands, CA) offers Precise-glass™ low-profile sight glass that meets airborne and undersea requirements. The crack-free, stress- and shatter-resistant units are used in airborne oxygen and refrigeration systems, undersea valves and bulkheads, cryogenic containers, flow meters, liquid level gauges,...
Products RF & Microwave Electronics
RF Vector Network Analyzer
National Instruments (Austin, TX) has introduced the NI PXIe-5630 6 GHz two-port vector network analyzer (VNA), available in a compact, modular two-slot PXI architecture that allows engineers to perform parallel...
Products RF & Microwave Electronics
Radio Telemetry System
Datapaq (Wilmington, MA) offers the Datapaq®TM21 radio telemetry system that uses radio-frequency technology to monitor and analyze thermal processes and temperature data in industrial-heating applications. Product and...
Products RF & Microwave Electronics
Cable Connectors
The Times Advantage™ connector line from Times Microwave Systems (Wallingford, CT) has been extended to include four new type-716 DIN straight and right-angle EZ no-solder connectors for LMR-400 and LMR-600 cables. None of...
Products RF & Microwave Electronics
Microwave Switch Platform
The EX71HD microwave switching platform from VTI Instruments (Irvine, CA) addresses applications that require non-latching relays and an operating range of up to 26.5 GHz. The switch can house up to 12 building blocks,...
Products RF & Microwave Electronics
Dual-Band Antenna
Spectrum Advanced Specialty Products (Fairview, PA) introduces the Wi-FI Pro Dual Band Antenna, designed to provide full bandwidth across the ISM band and withstand noisy or electronically sensitive environments. Able to...
Products RF & Microwave Electronics
RF Diagnostic Chamber
The R&S DST200 RF diagnostic chamber from Rohde and Schwarz (Columbia, MD) allows wireless device developers to perform reproducible, radiated RF measurements, including tests for self-interference, radiated emissions,...
Products RF & Microwave Electronics
Electric Field Probe
The FL740 electric field probe from AR (Souderton, PA) uses an internal microprocessor to offer linearization, control, and communication functions. The FL7040 communicates through glass fiber optic cables, up to 100 meters...
Products RF & Microwave Electronics
RF Antenna Switches
California Eastern Laboratories (Santa Clara, CA) offers two RF antenna switches based on the same chip die: the uPG2413T6M and the uPG2413T6Z. The small, single pole triple throw, SP3T switches, designed by Renesas...
Products RF & Microwave Electronics
RF/IF Digitizer
ZTEC Instruments (Albuquerque, NM) and Astronics DME Corp. (East Aurora, NY) have developed the ZR8441 RF/IF digitizer. The digitizer comes standard with a full-featured, on-instrument spectrum analyzer. Technical specifications...
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