WebJan 7, 2024 · A facile and rapid method for nondestructive testing (NDT) of the Young's modulus of interconnecting thin films using a broadband surface acoustic wave‐interdigital transducer (SAW‐IDT) is presented herein. A linear periodic SAW‐IDT with 20–125 MHz is designed and fabricated to excite surface acoustic wave (SAW) signals on the samples. … WebOct 14, 2024 · The performance of transducer directly affects the quality of acoustic logging data. In this paper, a new kind of broadband dipole acoustic transducer is …
Introduction to SONAR - Federation of American Scientists
WebDec 1, 2024 · Fig. 4 shows a comparison of the acoustic absorption coefficients of three different structures in the range of 100 Hz to 10 kHz. If an acoustic absorption coefficient of 0.5 is taken as the reference value (the green line in Fig. 4), the underwater metamaterial designed in this study has a broadband acoustic absorption WebFeb 11, 2024 · In Fig. 2, a pulser produces high voltage electric pulse. 2.25 MHz Tx ultrasonic transducer converts the electrical energy to acoustic energy. 1 MHz Rx ultrasonic transducer receives the elastic waves and converts it into the electrical energy again.The electrical energy is acquired through the receiver and the waveforms of … laughing monk thai restaurant
Multi-Mode and Multi-Frequency Differential Lamb Wave …
WebApr 1, 2024 · Pairs of immersion “plane wave” ultrasonic transducers from Panametrics, of central frequencies ranging from 500 kHz to 5 MHz, were placed face-to-face and … WebSep 8, 2016 · It should be noted that the MGB model has better accuracy in calculating the diffraction correction for focused transducers than the analytical solution developed from the impulse response integral method … WebJul 20, 2024 · Wideband surface acoustic wave (SAW) generation with a spatial chirp-based interdigital transducer was optimized for non-destructive characterization and … laughing moon mercantile vest