Novel Filter-Based Excitation Method for Pulse Compression in Ultrasonic Sensory Systems
Álvaro Cortés, María Carmen Pérez-Rubio, Álvaro Hernández · 2025
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Description
Álvaro Cortés, María Carmen Pérez-Rubio, and Álvaro Hernández improve the sound pulses behind indoor ultrasound positioning, in a 2025 paper. Satellites fail indoors, so systems locate people and goods with ultrasound instead. Commercial speakers offer narrow bandwidth, and moving targets warp the echoes, both capping accuracy.
The authors propose a filter-based way to shape the emitted pulse and compress its echo on arrival. Pulse compression sharpens timing, which is what position rests on. Their method aims to stretch coverage beyond the few square meters of earlier systems while resisting the Doppler warp from motion. Centimeter-level indoor fixes support hospitals, warehouses, and assistive tools that must track assets in real time.
Catalog record
| CREATOR | Álvaro Cortés, María Carmen Pérez-Rubio, Álvaro Hernández |
|---|---|
| YEAR | 2025 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 51 KB |
| VERSION | 1.0 |
| LICENSE | CC BY 4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |