Award Data

To address the need to mitigate cooperative and noncooperative in-band interference in airborne anti-submarine warfare (ASW) systems, ARiA will develop and demonstrate the feasibility of signal and information processing algorithms for mitigating various types of in-band interference. ARiA will develop and evaluate (1) model-based adaptive signal processing in space, time, and Doppler to mitigate ...

Within the increasingly contested undersea operational arena, the Navy needs a tactical and competitive advantage in undersea sensing and detection through improved situational awareness with respect to environmental parameters, such as sound speed profile (SSP) and bottom properties, that affect overall submarine sonar sensor performance. Current approaches for enhancing environmental situational ...

To support Navy’s need for novel algorithms using improved energy clustering and association techniques to represent the spatial and Doppler distribution of active-sonar returns to improve active-sonar tracking and classification performance for the AN/SQQ-89A(V)15, ARiA will develop and demonstrate the Next-Generation Clusterer (NGC), a suite of algorithms for feature-augmented contact localiza ...

This Phase I proposal to Topic N191-022 describes BTech’s approach to develop a smaller diameter version of the ADC MK 4 Mod 1 countermeasure that will fit into a 3-inch diameter form factor. Designs of the electroacoustic transducers and tuning/matching circuits are described that enable low frequency coverage in a smaller diameter vehicle. The proposal draws on BTech’s experience with broadb ...

This Phase I proposal to Topic N191-023 describes BTech’s approach to develop a method to control depth of a 3-inch counter measure to replace legacy system that relies on a propeller. Designs and calculations are presented that support the feasibility of our proposed approach and that it will reduce energy consumption.

This Phase I proposal to Topic N191-038 describes BTech’s approach to transferring data through a submarine hull with a data capacity in excess of 10k bit/sec (bps) using piezoelectric ultrasonic transducers. Some of the communication techniques include signaling to increase data packet detection at lower power levels. The Phase I baseline design of the signal schemes and the transducer system w ...

Propel proposes to enhance the performance of the US Air Force's current Cold Weather Aviation System (CWAS) Boot by identifying and testing innovative materials and technologies in order to develop prototype boots that can enhance the thermal insulation performance of beyond that of the current CWAS boot. The innovative CWAS boots will be comfortable for daily use, meet all Safe to Fly requiremen ...

Propel will undertake research efforts to investigate seamless knitting for U.S. Navy knitwear as compared to cut and sew assembly. Propel will develop initial concepts and swatches and evaluate their technical feasibility, comparing promising concept to traditionally sewn seams using a variety of internationally recognised standards and test methods. Propel will also develop a design brief and co ...

There are numerous conditions where gas turbine engines ingest small particulates. Of particular concern are the particles (~1-10 micrometer) that are ejected into the atmosphere as volcanic ash. Ingestion of these particles has numerous detrimental effects. Particle collisions cause abrasion of compressor blades, leading to loss of efficiency. Ingested particles that partially or completely melt ...

Advances in semiconductor technologies, including Gallium nitride (GaN) and Silicon carbide (SiC), are allowing for the wider use of solid-state devices in modern radar systems. These devices include direct digital synthesizers and their associated memories, i.e. numerical look up tables for reprogrammable radar parameters, as well as solid-state power amplifiers (SSPA). Since solid-state systems ...