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| Једначина сонара× | Beamforming× | |
|---|---|---|
| Oblast | Akustika | Akustika |
| Porodica | Process / pipeline | Process / pipeline |
| Godina nastanka≠ | 1983 | 1988 |
| Tvorac≠ | Robert Urick | Van Veen, Barry Buckley |
| Tip≠ | Underwater acoustic detection framework | Directional audio array processing |
| Temeljni izvor≠ | Urick, R. J. (1983). Principles of Underwater Sound (3rd ed.). McGraw-Hill. ISBN: 978-0070660816 | Van Veen, B. D., & Buckley, K. M. (1988). Beamforming: A versatile approach to spatial filtering. IEEE ASSP Magazine, 5(2), 4–24. DOI ↗ |
| Drugi nazivi | active sonar equation, passive sonar equation, underwater detection, acoustic range equation | beamformer, spatial filtering, microphone array, phased array |
| Srodne | 5 | 5 |
| Sažetak≠ | The sonar equation is a fundamental framework for predicting the detection range and performance of active and passive sonar systems in underwater environments. Systematized by Robert Urick in his seminal 1983 work, the sonar equation quantifies the acoustic signal-to-noise ratio (SNR) needed for detection, accounting for source level, propagation loss, noise characteristics, and receiver sensitivity. It is the cornerstone of underwater acoustic system design, naval detection systems, marine research, and subsea communication. | Beamforming is a spatial signal processing technique that uses microphone arrays to selectively enhance sound from a desired direction while suppressing sounds from other directions. Formalized by Van Veen and Buckley in 1988, beamforming is fundamental to hands-free speech communication, hearing aids, sonar, radar, and spatial audio recording. It enables 'listening' with directional sensitivity despite using omnidirectional microphones, by exploiting time delays and phase differences between array elements. |
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