Astronomers are puzzled after detecting an unusual, repeating long-period transient (LPT) signal emitted deep in the Galactic ...

Here, a pair of Nitinol flexural ultrasonic transducers (NFUTs) were fabricated to be used in transmit-receive. The dynamics were measured via electrical impedance analysis, laser doppler vibrometry ...

For the better part of two seasons, the Seattle Mariners have been carried by a starting rotation that's regarded as arguably the best in baseball. The Mariners, who were 10-10 entering Saturday ...

On Earth, such measurements are often made with ultrasonic anemometers, devices that work by sending pulses of very high frequency sound waves between a pair of transducers. As these sound waves ...

TDK has put an mems piezoelectric ultrasonic time-of-flight distance sensor inside a ... Accuracy is affected by the speed of sound’s 0.2%/°C drift. Minimum range is 100mm, although objects can be ...

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Phased array ultrasonic testing (PAUT, Figure 2), a common digital technique, uses a transducer with multiple ... from every transmitter-receiver pair in the array, it’s possible to generate ...

Abstract: In the theoretical design and analysis of the sandwich piezoelectric ultrasonic ... the transducer obtained by the NEC method and the finite element (FE) method are compared with each other, ...