Commercial Acquisition Department, Bldg. 11, Naval Undersea Warfare Center Division, Newport, Code 59, Simonpietri Dr., Newport, RI 02841-1708

A -- CENTERWIDE BAA PART 2 OF 6 SOL BAA 96-01B DUE 063097 POC Contact Gerard Palmer, (401) 841-2442 X292 FAX: (401) 841- 4820 SOL BAA 96-01B. SURFACE SHIP USW SYSTEMS. Surface ship USW electronic systems including active sonar processing of signals from large arrays for significant improvements in detection and false alarm rate. Surface ship USW systems engineering including integrating complex outputs of various sensors. Gun-launched sensor systems. Development of USW system architecture for best utilization of commercial technology. Common multifunctional mechanical handling and towing system for variable depth sonar, remote mine reconnaissance system, towed arrays, NIXIE, and special operations equipment. Acoustic array concepts with significant forward-looking aperture and minimal hull hydrodynamic impact. SUBMARINE ELECTROMAGNETIC SYSTEMS Submarine communications, including broadcast, ship-to-shore, line-of-sight, and satellite systems. Radio propagation studies. Information coding and modulation. Onboard information technology. Advanced submarine communication concepts. Enhancing the platform as a node within the Naval C3I system. Communication equipment design. Integration of system equipment. Submarine electronic warfare support measures (ESM). Sensors and processing equipment for improved omnidirectional and direction finding intercept systems. Techniques for radar cross-sectional reduction for submarine masts and submarine antennas. Concepts to assess submarine vulnerability to counter detection for all classes of submarine observables. Submarine masts and antennas including analytical design studies. Antenna design, testing, and environmental qualification over all electromagnetic frequency ranges. Conformal antenna technology, including multifunctional antenna techniques. Mast wake and plume reduction. Electromechanical and optical cable technologies supporting low loss, pressure resistant, wideband RF data transmission from external sensors to inboard receiving/processing equipment. Advanced mast erecting and cable deployment systems, buoyant cables, and towed buoy cables. Advanced extrudable materials for buoyant, high strength, pressure resistant cable jacketing. Materials technologies to enhance mechanical and electrical properties of antenna and sensor radomes over all frequency ranges. Improved materials for stealth. Materials science. Multi-stealth material. Smart skins. Sensor embedded materials. Composites for high strength to weight properties for masts and antennas. Towed buoy communication devices including antenna design. Hydrodynamic analysis and design. Nondestructive testing. Submarine electro-optics imaging techniques. High bandwidth recording techniques. High resolution CCD video cameras (monochrome and color). High-speed optical detectors and underwater laser viewing systems. Pressure and shock-proof fiber optic connectors. Fiber optic rotary joints. Fiber optic data links. Image processing and enhancement, both real time and post processing. Display technology including flat screens. Digital image compression and storage technology. Wideband analog image storage technology. Video data fusion. High resolution image intensifiers. Analysis of the electromagnetic environment using finite element methods on NUWCDIVNPT's computational and simulation facilities. Electromagnetic interference (EMI) modeling, analysis, and performance prediction of shipboard systems and components to mitigate the effects of the below decks electromagnetic compatibility environment. Use of computer aided design techniques to achieve electromagnetic compatibility (EMC) in design of shipboard equipment and installations. Electromagnetic shielding applications of superconductivity or conducting polymers. Electromagnetic test techniques useful for large-scale systems (within one compartment) that would reduce or eliminate unit level testing. Applicability of commercial EMI/EMC standards for commercial off the shelf (COTS) equipment used in a shipboard environment. Radar sea clutter modeling. TEST AND EVALUATION New technology in large area, portable underwater tracking ranges. Shallow water survivable cable/acoustic sensor node techniques. Underwater acoustic telemetry. Nonacoustic tracking systems. Acoustic radiated noise measurements of weapons and other small submersibles. Advanced radiated noise measurement sensors including component elements and array systems. Application of chaos processing to acoustic radiated noise measurement signal processing. Unaugmented (pingerless) target tracking. Optical detection and tracking systems for underwater vehicles and in-air ordnance detonations. Grounding avoidance systems for vessels in littoral waters. High compression ratio speech encoding for use over 2400 to 4800 baud acoustic modems. Piezo-rubber and/or fiber optic hydrophones. Low probability of intercept (LPI) acoustic signals for telemetry/tracking. Tracking in presence of countermeasures. Tracking in reverberant environments. Submarine sensor system stimulation. Underwater target detection and strength measures. Low-cost, low-power in-water signal processing nodes, both cabled and not. Undersea winch technology, battery powered and cabled, with electro-mechanical and optical slip rings. Three-dimensional computer display graphics that operate in an open system environment. Advanced 3-D and virtual reality displays for generating forces, platforms, and weapons over a distributed interactive simulation (DIS) network. Advanced display, data transfer, and networking technology between live units, shore-based simulations, and computer generated forces to conduct realistic training in the conduct of undersea warfare within a joint mission area context. Applications of advanced displays and the generation of synthetic environments for individual platform/system/weapon operations within distributed interactive simulation (DIS) and for unit level training. DIS compliant wireless mobile networking architectures to support military communications with bandwidth allocation schemes that allow large throughput of voice and video data. Multilevel security schemes to allow protection via encryption for military communications using DIS compliant wireless mobile networking architectures. TORPEDO AND TORPEDO TARGET SYSTEM TECHNOLOGY AND ASSESSMENT Shallow water environment/low Doppler target scenario torpedo performance improvements. Operational torpedo processing technology and systems applicable to lightweight and heavyweight torpedo commonality initiatives, including size reduction. Application of commercial processing technology and systems to lightweight and heavyweight torpedo sonar signal processing and tactical control functions. Operational torpedo systems engineering (lightweight and heavyweight). Fault tolerant vehicle systems. Improved torpedo logistical support, maintenance support, and hardware/software acquisition process (heavyweight and lightweight) applicable to commonality initiatives. Integrated structural, acoustic, mechanical, and hydrodynamic design codes for paperless design and design simulation. Improved torpedo sonar systems, transmit waveforms, sonar beamsets, sonar signal processing, target and false alarm classification techniques, and tactical control functions to support shallow water environment, low Doppler target scenario performance improvement. Development of multi-channel, wideband, wide aperture imaging arrays, including associated data acquisition and signal processing systems for use against small, low Doppler targets in shallow water. Shallow water environment acoustic models to support upgrade of digital torpedo simulations and hardware in the loop simulators (real-time operation required), including surface and bottom effects, characteristic modeling capability. Studies and assessments of the effects on the environment of processes and activities utilized in weapons and combat systems development and operation. In-air and water entry trajectory digital models, lightweight torpedo configuration dependent, to support performance evaluation of alternate lightweight torpedo configurations and air launch accessories (parachutes, etc.) designs. Nonacoustic sensor technology and systems and environmental sensing technology and systems applicable to various platforms for shallow water environment and low Doppler target scenario performance improvements. Lightweight, stiff, corrosion resistant, acoustically damped vehicle structures. Technology improvements for lightweight and heavyweight torpedo propulsion silencing, including prime mover, machinery, and propulsor quieting. Digital models to support design and evaluation of propulsion silencing technology and/or hardware. Digital modeling of electromagnetic fields, beam shapes, and contact interaction to support design and evaluation of potential modifications to torpedo warhead fusing systems. Torpedo submarine and surface combatant self-defense technology and systems applications. Low-cost inertial sensor and depth sensor technologies supporting torpedo commonality initiatives. External to torpedo memory programming technology, providing the capability to install torpedo operational software on board platform. Torpedo operational software protection technology (memory scuttle, encoders, etc.) which prevent compromise of operational software. Nonacoustic simulation technology for mobile ASW targets. Signal processing algorithms and projector developments to limit surface and bottom effects for shallow water target operation. Wake generation/simulation techniques for mobile target and countermeasure use. END of Part 2 of 6 (0179)

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