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In this article, a method based on variable-periodic sequence time-modulated metasurfaces is proposed to generate time–frequency signatures for radio frequency identification (RFID) tags, which ...

This project is a simple, variable-frequency sine wave generator built on the Arduino platform. It uses Pulse-Width Modulation (PWM) to produce a digital approximation of a sine wave, which is then ...

The city's Recreation and Parks Department said its pump system's variable frequency driver failed, likely because of a ...

Contrary to traditional rotor-controlled doubly-fed induction generator (RC-DFIG), this novel stator-controlled fractional frequency generator features a constant-frequency rotor and a ...

Variable frequency drives offer the best system efficiency in heating and cooling systems, especially if they have an ...

The portfolio of NORD gear units, electric motors and electronic control products form complete, modular solutions that ...

The interactive pool at the Hilliard Family Aquatic Center will remain closed for the rest of the 2025 season.

The city's Recreation and Parks Department said its pump system's variable frequency driver failed, likely because of a lightning strike.