The design, fabrication, and evaluation of a high-frequency single-element transducer are described. The transducer has an annular geometry, with the thickness of the piezoelectric material increasing ...

This paper presents an impact-induced frequency up-conversion piezoelectric energy harvester (FUC-PEH) to improve low-frequency output performance. The FUC-PEH includes a high-frequency piezoelectric ...

Summary 4.1 Requirements Core design requirements for drive motors under high-voltage and high-frequency conditions: Ø Reliable insulation: High-frequency PWM pulses reflect multiple times between the ...

High-frequency trading firm Tower Research Capital is planning to launch a fund for external investors as it looks to shift beyond the ultrafast strategies that have made it a big player in global ...

Frequency is the number of occurrences of a repeating event per unit time. It is also referred to as temporal frequency. The period is the duration of one cycle in a repeating event, so the period ...

National Weather Service meteorologists released tornado totals for the St. Louis region, showing 2025 has been a near-record twister year. Here's what we know.

Energy Harvesting System Market to Grow at 7.5% CAGR, Driven by IoT Expansion & Renewable Integration. Global Energy harvesting ...

Expertise from Forbes Councils members, operated under license. Opinions expressed are those of the author. Membership (fee-based) Forbes Finance Council is an invitation-only, fee-based ...

The issue villagers have is that Warmley’s High Street is also the main A420 road between East Bristol and Chippenham, so is used by HGVs and has lots of through-traffic round the clock.

An ultrasound scan uses high-frequency sound waves to create an image of the inside of the body. It is safe to use during pregnancy and is also a diagnostic tool for conditions that affect the ...