Refine Your Search

Topic

Search Results

Magazine

AEROSPACE ENGINEERING 2013-02

2013-02-01
Advanced aluminum solutions for next-gen aerospace structures Airline competitiveness and the demand for improved aircraft performance and affordability (acquisition and operational) are driving advancements in technologies that can enable these improvements. 2050 vision Airbus provides a far-ranging, thought-provoking, reach-out toward some of the changes the commercial aerospace industry might expect to see by 2050.
Magazine

AEROSPACE ENGINEERING 2013-03

2013-03-06
Big fans gear up for new battles The big difference in newer commercial airplanes comes where it can't be seen: in the structure, in new materials, in the avionics, and most importantly, in the engines. Integrated Vehicle Health Management The aims of IVHM include improved safety through the use of diagnostics and prognostics to fix faults before they are an issue, as well as improve availability of fleets through better maintenance scheduling.
Magazine

Aerospace & Defense Technology: April 2023

2023-04-06
Breathing Life into Artificial Intelligence and Next Generation Autonomous Aerospace Systems Robotic Rotational Molding Creates New Opportunities for Military and Aerospace Applications Rim-Driven Electric Aircraft Propulsion High-Speed Midwave Infrared Cameras Enable Military Test Range Tracking System What Today's Advances in Radar Technology Mean for Testing and Training Tackling Ruggedization Challenges for RF Communications in Software Defined Radios AUVSI XPONENTIAL 2023 The Blueprint for Autonomy Multi-Scale Structuring of the Polar Ionosphere Understanding a radically new sensing capability for polar ionospheric science introduced by observational evidence recently provided by the electronically steerable Resolute Bay Incoherent Scatter Radar (RISR). Stepped-Frequency Distributed Radar for Through-the-Wall Sensing A technical analysis of the effectiveness of distributed radar for through-the-wall sensing applications.
Magazine

Aerospace & Defense Technology: August 2014

2014-08-01
3-D manufacturing of titanium components takes off MRO providers are discovering ways to innovate their procedures while remaining viable and profitable through the current downturn in government spending. Commercial programs are flying high With economic regeneration underway this year, the rate of ordering new aircraft has been at an all-time high, with the result that backlogs for undelivered new production stretch well into the next decade for some popular models.
Magazine

Aerospace & Defense Technology: August 2016

2016-08-01
Seeing the Light Achieving Full-Color, Day or Night Readability for Flat-Panel Displays Multiple Node Networking Using PCIe Interconnects PCI Express (PCIe) interconnects, and how they can be used to support multiple node low latency data transfers over copper or optical cables, is gaining momentum in embedded computing solutions. Zero-Emissions Electric Aircraft Theory vs Reality Analyzing Radar Signals With Demodulation Combining Software and Hardware for Highly Specialized Multichannel Spectrum Monitoring Advanced Thermal Management Solutions Thermoelectric Cooling Thermal Ground Planes Thermal Management of Laser Diodes The Effect of Substrate Emissivity on the Spectral Emission of a Hot-Gas Overlayer Process Approach to Determining Quality Inspection Deployment Experimental Setup to Assess Blast and Penetration-Induced Secondary Debris in a Military Operations in Urban Terrain (MOUT) Environment Non-Contact Circuit for Real-Time Electric and Magnetic Field Measurements
Magazine

Aerospace & Defense Technology: August 2017

2017-08-03
The Rapid Rise of Beryllium-Aluminum Alloys in Aerospace Aeroacoustic Simulation Delivers Breakthroughs in Aircraft Noise Reduction Using System Simulation to Manage Increasing Thermal Loads on Aircraft Fuel Systems Ensuring the Compliance of Avionics Software with DO-178C Microwave Photonic Notch Filter Helps Ensure Critical Mission Success Measuring Propellant Stress Relaxation Modulus Using Dynamic Mechanical Analyzer New testing technique requires less material, gives more accurate results. Combustion Characteristics of Hydrocarbon Droplets Induced by Photoignition of Aluminum Nanoparticles Test methodology allows analysis of combustion dynamics for subscale rocket injectors under super critical conditions. Vapor Pressure Data and Analysis for Selected Organophosphorous Compounds: DIBMP, DCMP, IMMP, IMPA, EMPA, and MPFA Determining the thermophysical properties of chemical warfare agent simulants can help evaluate the performance of defensive equipment.
Magazine

Aerospace & Defense Technology: August 2023

2023-08-03
Electrifying Aviation: The Path to Decarbonizing the Skies /Electric aviation mirrors the early stages of the electric vehicle revolution Advances in Military Avionics Technologies Create New Challenges for RF Test and Measurement Plasma Electrolytic Oxidation: The Future of Lightweight Designs in Aerospace and Defense Advanced RF Simulation Reduces Cost and Schedule Risk Assure 5G NTN Performance Before Launch In the complex and quickly evolving 5G NTN landscape, simulating, emulating, and evaluating RF systems boosts mission success. Qualification of Multi-Channel Direction Finding Radar Receivers in The Lab Bullet Impact Testing of Ammunition and Explosives at Picatinny Arsenal A bullet impact (BI) test for evaluating the response of energetically loaded items has been established at the U.S. Army Combat Capabilities Command (DEVCOM) Armaments Center (AC) Explosive Development Facility.
Magazine

Aerospace & Defense Technology: December 2016

2016-12-01
Additive Manufacturing How 3D Printing Will Transform the A&D Support Chain Advances in Lightweight Electronics Protection Conformal Coatings Increase Reliability of Aerospace and Military Assemblies Powering Outer Space An In-Depth Look at Aerospace Battery Technology Using High Bandwidth Oscilloscopes to Analyze Radar and Electronic Warfare Systems Bio-inspired Airborne Infrastructure Reconfiguration (BioAIR) EMI Analysis Software Helps Telescope Group Simulate RFI Mitigation Epitaxial Growth of Rhenium with Sputtering Processing and Characterization of Polycrystalline YAG (Yttrium Aluminum Garnet) Core-Clad Fibers Multi-Scale Analysis of Deformation and Failure in Polycrystalline Titanium Alloys Under High Strain Rates Abrasion Testing of Products Containing Nanomaterials Spectrum Fatigue of 7075-T651 Aluminum Alloy under Overloading and Underloading
Magazine

Aerospace & Defense Technology: December 2019

2019-12-01
Engineered Solutions for Enclosure Sealing and Insulation Tips for Reducing Error When Using Eddy Current Measuring Techniques Reducing the High Cost of Titanium Streamlining Post-Processing in Additive Manufacturing Software-Defined Analog Filters: A Paradigm Shift in Radio Filter Performance and Capability SDR Interface for the NeXtRAD Multistatic Radar System Electrodeposition of Metal Matrix Composites and Materials Characterization for Thin-Film Solar Cells Metal matrix composites, which consist of silver-multiwalled carbon nanotube-silver, layer-by-layer stacks, can electrically bridge the cracks (>40 μm) that appear in semiconductor substrates and the composite grid lines. Sensing Applied Load and Damage Effects in Composites with Nondestructive Techniques Comparing and correlating piezoelectrically induced guided waves, acoustic emission, thermography, and X-ray imaging to determine the effects of applied load on a composite structure.
Magazine

Aerospace & Defense Technology: December 2020

2020-12-01
How Solid-State Technology Impacts A&D Equipment Testing The Role of Prototype/Test Systems in Next-Generation C5ISR Development Using Advanced Computational Engineering Software to Meet Aerospace & Defense Industry Challenges How Advanced Vacuum Bag Kits Streamline Composite Parts Manufacturing Replacing Multiple RF Receivers with Just One Using Channelization Air Force Technology Tracks "Sporadic E" Progress on Zirconia-Polyurea Matrix Hybrid Composites Incorporating zirconia particles into polyurea elastomers to form hybrid composites and designing them into state-of-the-art body armor has the potential to achieve lightweight ballistic efficiency. Bioenvironmental Engineering Guide for Composite Materials Developing a comprehensive baseline for identifying, evaluating, and controlling occupational and environmental hazards associated with composite fibers and materials for base-level Bioenvironmental Engineering (BE) personnel.
Magazine

Aerospace & Defense Technology: February 2014

2014-02-03
Thermal simulation and testing of expanded metal foils for lightning protection With the implementation of major aircraft structures fabricated from carbon fiber reinforced plastic materials, lightning protection has become a more complicated issue for designers and engineers to solve. Electronics take charge Digital controls are handling more engine control tasks on a wider range of aircraft.
Magazine

Aerospace & Defense Technology: February 2015

2015-02-02
Wireless sensing--the road to future digital avionics A look at the comparative performance of wired and wireless sensors, type of wireless sensors & interfaces, frequency performance, protocols, network topologies and qualification standards. Testing reality in an increasingly complex design space Digital simulation tools have transformed the designing and testing of new airplanes, as well as the way they are manufactured and sustained.
Magazine

Aerospace & Defense Technology: February 2020

2020-01-30
Rad-Hard Microelectronics for Space Applications Outsourcing Plasma Treatments for Surface Modification Adding Context to Full-Motion Video for Improved Surveillance and Situational Awareness Implementing an Aerospace Factory of the Future 90° Hybrid Coupled Power Amplifier - Pros and Cons A New Network Design for the "Internet from Space" Future Advances in Electronic Materials and Processes - Flexible Hybrid Electronics Despite progress being made, there are still significant obstacles to the manufacture and use of flexi-ble hybrid electronics in military applications. Heterogeneous Integration Technology Integrating different types of devices and materials could increase their functional density, improving the performance of electro-optic systems for sensor applications. The Impact of Cyber Cameras on the Intelligence Community The ability to covertly access and manipulate cyber cameras could provide valuable strategic data for the US intelligence community.
Magazine

Aerospace & Defense Technology: February 2023

2023-02-09
Using an Open Architecture Approach to Military Avionics Can Embedded Electronics Components Meet the Demands of Hypersonic Missiles? CMOSS/CMFF Trades Interoperability for Free-Thinking Innovation Exploring High-Performance Applications for Distributed Transport Property Thermoelectrics Heterogeneous Integration and SiPs Benefit SWaP-C Reduction The Future of Automated Guided Vehicles for Aerospace and Defense Next-generation AGVs are already starting to deliver labor and cost savings for the U.S. defense industry, and the commercial aerospace sector is watching closely Deep Reinforcement Learning Achieves Multifunctional Morphing Airfoil Control Smooth camber morphing aircraft offer increased control authority and improved aerodynamic efficiency. Smart material actuators have become a popular driving force for shape changes, capable of adhering to weight and size constraints and allowing for simplicity in mechanical design.
Magazine

Aerospace & Defense Technology: February 2024

2024-02-08
Certified Machine Learning-Based Avionics: Unlocking Safer Revolutionizing Electronic Warfare: Unleashing the Power of High-Performance Software Defined Radios Deterministic and Modular Architecture for Embedded Vehicle Systems Approximating the Material Stresses and System Requirements for Hypersonic Flight Design Approaches for Established and Emerging RF Receiver Architectures Rydberg Technologies Shows Potential of Long-Range RF with Quantum Sensor at NetModX23 New Method to Measure Wind Speed Could Unlock Drones' Potential A fundamentally different approach to wind estimation using unmanned aircraft than the vast majority of existing methods. This method uses no on-board flow sensor and does not attempt to estimate thrust or drag forces. Report on Human Factors Issues Likely to Affect Air-Launched Effects This report reviews human factors research on the supervision of multiple unmanned vehicles (UVs) as it affects human integration with Air-Launched Effects (ALE).
Magazine

Aerospace & Defense Technology: June 2014

2014-06-02
Europe's aerospace industry looking confident Apart from Airbus's highly visible presence in defense and commercial aircraft, Europe also has successful capabilities in helicopters, business jets, and aero engines, and in all these areas their global market share is growing. Comparing blade-element momentum modeling to 3-D CFD Many small unmanned aerial vehicles (SUAVs) are driven by small scale, fixed blade propellers, and the flow produced by the propeller can have a significant impact on the aerodynamics of the SUAV itself.
Magazine

Aerospace & Defense Technology: June 2019

2019-06-01
Eyes in the Sky Rugged High-Speed Cameras Capture Critical Flight Test Video Data Panoramic Thermal Imaging Technology A New Concept in Naval Defense Coating Technology Enables Effective Missile Countermeasures FACE™ - Future Airborne Capability Environment Diminishing U.S. Combat Superiority Drives New Software Development Requirements Broadband 1.2- and 2.4-mm Gallium Nitride (GaN) Power Amplifier Designs Multi-Agent RF Propagation Simulator Electrical Characterization of Crystalline UO2, THO2 and U0.71TH0.29O2 Evaluating the suitability of advanced alloys for use in uranium-based neutron detectors. ONR Short Pulse Research, Evaluation and non-SWaP Demonstration for C-sUAV Study Research project is designed to map small unmanned aerial vehicle (sUAV) effects space, empirically and by simulation, as a function of high power microwave (HPM) waveform to develop effective countermeasures.
Magazine

Aerospace & Defense Technology: June 2023

2023-06-01
Overcoming Machining Productivity Challenges with Aerospace Components Why the Turbomachinery Industry is Increasingly Bullish on Additive Manufacturing 3D-printed metal-alloys are answering critical needs for high fluid flow, high-pressure parts. Airborne Inspection Sensor Evolves with LiDAR, Mid-IR and Artificial Intelligence Air Force eVTOL Research and Development Programs Make Remote Pilot Progress Creating a Digital Gateway for RF Domain Will Advance Designs That Meet DoD Initiatives Understanding the Unique RF Interconnect Requirements for Ultra-Demanding Hypersonic Missile and Satellite Applications ADS-B Classification Using Multivariate Long Short-Term Memory This analysis extends previous research that used long short-term memory-fully convolutional networks to identify aircraft engine types from publicly available automatic dependent surveillance-broadcast (ADS-B) data.
Magazine

Aerospace & Defense Technology: October 2023

2023-10-05
DoD to Deploy Thousands of Low Cost Autonomous Systems Under Replicator Program Top Productivity Improvement Tips for Manufacturing Turbine Discs FACE Technical Standard Offers MOSA Lessons for Safety-Critical Software in Any Sector Adamant: A Soon-to-be Open Source, Mission-Critical Flight Software Framework Written in Ada Benefits and Challenges of Direct-RF Sampling for Avionic Platforms More Airports Test RF as Counter Measure for UAS in Restricted Airspace Adapting U.S. Army Acquisition to Ensure the Reliability and Safety of Autonomous Vehicles This report presents several challenges that the U.S. Army will face in the transition to autonomous vehicles, challenges that are only magnified in the current acquisition environment with limited testing. Artificial intelligence algorithms introduce additional complexity, resulting in systems with a complex combination of human, machine, and autonomous controllers.
Magazine

Aerospace & Defense Technology: September 2021

2021-09-01
Pulse Plasma Nitriding for Aerospace Application Ruggedization of Electronics for Deployed Military Environments Migrating Advanced Signal Processing Technology to Rugged SFF Platforms Radar Recording Proves Next-Level System Performance As radar and electronic warfare systems contend with an increasingly crowded environment, recording tests, interactions, and conflicts provides insight that can help assure future triumphs. > Facing 5G New Radio (NR) Test Challenges Communicating Via Long-Distance Lasers The Purpose of Mixed-Effects Models in Test and Evaluation The simplest version of a mixed model-the random intercept model, where so-called random effects represent group-wide deviations from a grand mean-can account for day-to-day deviations in system performance while still allowing the results to be generalized beyond the few days of observed testing.
X