Enhancing Mental Well-Being Through OpenBCI: An Intelligent Approach to Stress Measurement

Cognitive science and technology, Journal Year: 2025, Volume and Issue: unknown, P. 193 - 204

Published: Jan. 1, 2025

Language: Английский

Precision Localization of Acoustic Beacons Using Active Sonar Systems: An In-Depth Analysis

Published: Jan. 11, 2024

Water, which constitutes roughly 71 percent of the Earth's surface, conceals a variety objects, including submarines, ships, archaeological relics, mines, and various metal items within its depths. The identification these submerged targets is invaluable but highly intricate due to presence numerous challenges, environmental factors such as pressure, temperature, salinity, attenuation phenomena like absorption, scattering, reflection, multipath interference. Various methods exist for underwater targets, matched filtering, remote sensing, utilization sonar systems. Among approaches, systems enjoy widespread usage. A system functions by emitting acoustic signals, often referred "pings," into water. These typically generated transducer, propagate through water sound waves. Upon encountering an object or target, portion signal's energy reflected toward sonar's receiver, manifesting echo. In addition target identification, are instrumental in extracting geological features from environments. This capability aids comprehension plate movements, earthquakes, regions prone landslides. paper delves comprehensive diverse systems, active, passive, multi-fusion techniques along with computational neural architecture methods, classification targets. discusses challenges identifying objects water, emphasizing use active techniques. It explores functionality sonar, role features, highlights integration improved identification. Overall, findings contribute understanding methodologies that enhance accuracy efficiency

Language: Английский

Location of Acoustic Beacon with Passive Sonar system : A Comprehensive Analysis

2020 IEEE International Students' Conference on Electrical,Electronics and Computer Science (SCEECS), Journal Year: 2024, Volume and Issue: 612, P. 1 - 6

Published: Feb. 24, 2024

An acoustic beacon is a device that emits sound waves for the purpose of providing reference mark finding any object. Beacons are usually used in navigation, underwater communication, and search rescue operations. In context operations beacons locating distressed vessels, crashed aircraft or individuals emergency situations. Among many ways an beacon, sonar systems most effective way. The key methods techniques system process active sonar, passive doppler synthetic aperture multi-beam sonar. These capable detecting emitted by beacons. A detection will actively listen to environment without transmitting kind waves. distinct advantages over other stealthy operation, wide range coverage, lower cost, complexity. characteristic crucial military covert Passive often cost-effective than because they don't need generation high-intensity pulses. can detect sounds from far sources including submarines, ships, marine life, even explosions. They cover areas with relatively smaller number hydrophones, this makes them suitable large-scale surveillance monitoring applications. It's important note specific may vary depending on resources, environment, requirements technology also continue evolve time.

Language: Английский