Ultrasonics refers to signals that are above the human hearing span (>20 kHz), and usually in the 40- to 70-kHz range. These signals are used like radar—they’re radiated toward a target and reflected ...
The sendEmail () function is responsible for triggering the email alert when an object is detected. A secure Wi-Fi client is ...
Abstract: The insulation condition is the key to determining whether gas insulated switchgears (GISs) can operate stably and reliably. Partial discharge (PD) detection is an important technique for ...
Abstract: Ultrasonic-based structural health monitoring (SHM) allows continuous automated monitoring of structures for improved safety and reduced maintenance time and cost. Guided waves are often ...
Jan. 17, 2026 Engineers have created a device that generates incredibly tiny, earthquake-like vibrations on a microchip—and it could transform future electronics. Using a new kind of “phonon laser,” ...
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