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In the littoral ocean environment ambient noise makes passive detection difficult, placing increased demands on active sonar. For active sonar systems that use azimuthally omnidirectional transmitters the bottom, surface, shoreline reverberation and clutter can be quite challenging to overcome when using Doppler sensitive waveforms, especially for low velocity targets. Straightforward application...
The possibilities opened with the increased use of autonomous underwater vehicles and their potential interactions with existing or prospective submerged sensor networks create an end-user technological pull on the communication capabilities for the underwater domain. Simulation models, while fundamental in the scientific and technological development process cannot offer the feature richness of the...
The integration of Radio Frequency (RF) Command and Control (C2) networks with underwater (UW) networks that are based on acoustic communications requires comprehensive solutions to address several technical challenges and interoperability issues. A major constraint arises from the large capability gap between acoustic and RF communications, the former being characterized by very low data rates and...
The NATO Undersea Research Centre (NURC) conducts research on off-board Low Frequency Active (LFA) sensors for use in Cooperative distributed ASW (CASW). The objective is to create a scalable and autonomous system that removes vulnerable personnel from the vicinity of high risk, is cheaper than conventional ship-based sonar and that potentially leverages the benefits of multi-static operations by...
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