Tech Briefs

Briefs: Mechanical & Fluid Systems

Low-Cost Ground Sensor Network for Intrusion Detection

Perimeter surveillance of forward operating locations, such as Forward Arming and Refueling Points (FARPs), is crucial to ensure the survivability of personnel and materiel. FARPs are...

Briefs: Aerospace

Co-Prime Frequency and Aperture Design for HF Surveillance, Wideband Radar Imaging, and Nonstationary Array Processing

A co-prime array uses two uniform linear subarrays to construct an effective difference coarray with certain desirable...

Briefs: Test & Measurement

Converting Existing Copper Wire Firing System to a Fiber-Optically Controlled Firing System for Electromagnetic Pulsed Power Experiments

After extensive review from the US Army Research Laboratory (ARL) Electrical Safety Office, it was...

Briefs: Mechanical & Fluid Systems

In-Network Processing on Low-Cost IoT Nodes for Maritime Surveillance

The effective distribution of offensive weapon capabilities to naval units at the tactical edge is a critical focus for Navy leaders. A direct byproduct of this priority...

Briefs: Robotics, Automation & Control

Advancements Made to the Wingman Software-in-the-Loop (SIL) Simulation: How to Operate the SIL

The US Army Research Laboratory (ARL), US Army Tank Automotive Research Development and Engineering Center (TARDEC), DCS Corp., and Naval Surface...

Briefs: Aerospace

Soft Robotic Fish Swims Alongside Real Ones in Coral Reefs

A team from MIT's Computer Science and Artificial Intelligence Laboratory (CSAIL) unveiled “SoFi,” a soft robotic fish that can independently swim alongside real fish in the...

Briefs: Communications

Soldier-Robot Team Communication: An Investigation of Exogenous Orienting Visual Display Cues and Robot Reporting Preferences

The advancement of robot capabilities and functionality has changed the way in which soldiers perform many of their...

Briefs: Robotics, Automation & Control

GPS Enabled Semi-Autonomous Robot

The primary objective of this research is to integrate GPS and local sensory data to allow a robot to operate semi-autonomously outside of a laboratory environment. The Pioneer 3-AT, a robust platform...

Briefs: Imaging

Development of a Vision-Based Situational Awareness Capability for Unmanned Surface Vessels

Using unmanned surface vessels (USVs) for “dull, dirty and dangerous missions” is gaining traction in recent years as it removes the human...

Briefs: Electronics & Computers

Designing for Compressive Sensing: Compressive Art, Camouflage, Fonts, and Quick Response Codes

Compressive sensing (CS) is a relatively new field that has caused a lot of excitement in the signal processing community. It has superseded...

Briefs: Transportation

Calculation of Weapon Platform Attitude and Cant Using Available Sensor Feedback

When firing artillery, there is typically a maximum angle that the platform cannot exceed relative to the Earth plane. This is due to the large recoil forces...

Briefs: Data Acquisition

Validation of Automated Prediction of Blood Product Needs Algorithm Processing Continuous Non-Invasive Vital Signs Streams (ONPOINT4)

Hemorrhagic shock occurs frequently in natural and man-made disaster scenarios. To control bleeding and to...

Briefs: Sensors/Data Acquisition

Phonon Confinement Effect in TiO2 Nanoparticles as Thermosensor Materials

TiO₂ or ZnO nanoparticles (NPs) have a very strong finite-size dependency in their Raman spectra or photoluminescence (PL) spectra due to the phonon...

Briefs: Mechanical & Fluid Systems

Content Addressable Memory (CAM) Technologies for Big Data and Intelligent Electronics Enabled By Magneto-Electric Ternary CAM

Content addressable memory (CAM) is one of the most promising hardware solutions for high-speed data searching and...

Briefs: Defense

pH-Dependent Spin State Population and 19F NMR Chemical Shift Via Remote Ligand Protonation in An Iron(II) Complex

The development of transition metal-based molecules and materials that can be switched between low-spin and high-spin...

Briefs: Manufacturing & Prototyping

A Mechanistic Analysis of Oxygen Vacancy Driven Conductive Filament Formation in Resistive Random Access Memory Metal/NiO/Metal Structures

Resistive Random Access Memory (RRAM) devices have drawn much interest in the last decade,...

Briefs: Aerospace

High Temperature Graphene-Peek Adhesive

Joining of composites can be a challenging issue. If adhesives are used, the joints are permanent and cannot be undone. If they need to be undone, inserts are often used and these inserts increase cost...

Briefs: Aerospace

Bioinspired Surface Treatments for Improved Decontamination: Commercial Products

In January 2015, the Center for Bio/Molecular Science and Engineering at the Naval Research Laboratory (NRL) began an effort to evaluate and develop top-coat...

Briefs: Aerospace

Processing and Characterization of Lightweight Syntactic Materials

Conventional composite materials, in which a matrix material is reinforced by particulates, whiskers, and/or continuous fibers, have long been of interest as potential...

Briefs: Aerospace

Mechanical Characterization and Finite Element Implementation of the Soft Materials Used in a Novel Anthropometric Test Device for Simulating Underbody Blast Loading

Anthropomorphic test devices (ATDs) have been used in automotive safety...

Briefs: Aerospace

Stress-Corrosion Cracking and Corrosion Fatigue Impact of IZ-C17+Zinc-Nickel on 4340 Steel

The protection of cathodic metallic materials used for aircraft components, like 4340, Aermet 100, and PH 13-8 corrosion-resistant steel, is critical...

Briefs: Electronics & Computers

Sensitivity Simulation of Compressed Sensing Based Electronic Warfare Receiver Using Orthogonal Matching Pursuit Algorithm

Electronic Intelligence Receiver (ELINT) is an important component in electronic warfare (EW) and layer sensing. The...

Briefs: Aerospace

The Impact of Video Compression on Remote Cardiac Pulse Measurement Using Imaging Photoplethysmography

Remote measurement of physiological signals has a number of advantages over traditional contact methods. It allows the measurement of...

Briefs: Test & Measurement

Subjective Mapping of Dust-Emission Sources by Using MODIS Imagery

Dust storms (5 to 100 km across) often originate from multiple dust-emission sources (1 to 10 km across). Remote-sensing-based dust-source identification is a challenge. A...

Briefs: Aerospace

Custom Data Logger for Real-Time Remote Field Data Collections

The U.S. Army Corps of Engineers (USACE), CHL, FRF, had a need for a remote real-time data collection system to control instruments and log and communicate data from five...

Briefs: Sensors/Data Acquisition

Initial Validation of Ballistic Shock Accelerometers

Method 522.2 of MIL-STD-810G CN1 defines ballistic shock as “a high-level shock that generally results from the impact of projectiles or ordnance on armored combat vehicles”. Typical...

Briefs: Aerospace

Hydrodynamic Drag Force Measurement of a Functionalized Surface Exhibiting Superhydrophobic Properties

With superhydrophobic properties being extended to a variety of metallic substrates through the process of ablation due to femto-second...