![An intelligent measurement method of the resonant frequency of ultrasonic scalpel transducers based on PSO-BP neural network - ScienceDirect An intelligent measurement method of the resonant frequency of ultrasonic scalpel transducers based on PSO-BP neural network - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S0263224121015426-ga1.jpg)
An intelligent measurement method of the resonant frequency of ultrasonic scalpel transducers based on PSO-BP neural network - ScienceDirect
![Micro triboelectric ultrasonic device for acoustic energy transfer and signal communication | Nature Communications Micro triboelectric ultrasonic device for acoustic energy transfer and signal communication | Nature Communications](https://media.springernature.com/full/springer-static/image/art%3A10.1038%2Fs41467-020-17842-w/MediaObjects/41467_2020_17842_Fig1_HTML.png)
Micro triboelectric ultrasonic device for acoustic energy transfer and signal communication | Nature Communications
Automatic Resonance-Frequency Tuning and Tracking Technique for a 1MHz Ultrasonic-Piezoelectric-Transducer Driving Circuit in Me
![Damped resonance for broadband acoustic absorption in one-port and two-port systems | Scientific Reports Damped resonance for broadband acoustic absorption in one-port and two-port systems | Scientific Reports](https://media.springernature.com/full/springer-static/image/art%3A10.1038%2Fs41598-019-49222-w/MediaObjects/41598_2019_49222_Fig1_HTML.png)
Damped resonance for broadband acoustic absorption in one-port and two-port systems | Scientific Reports
![Resonance and anti-resonance frequencies in piezoelectric impedance... | Download Scientific Diagram Resonance and anti-resonance frequencies in piezoelectric impedance... | Download Scientific Diagram](https://www.researchgate.net/publication/265686185/figure/fig1/AS:392104762200065@1470496468253/Resonance-and-anti-resonance-frequencies-in-piezoelectric-impedance-frequency-response.png)
Resonance and anti-resonance frequencies in piezoelectric impedance... | Download Scientific Diagram
![Analysis of resonant frequency of piezoelectric ceramics with dimension... | Download Scientific Diagram Analysis of resonant frequency of piezoelectric ceramics with dimension... | Download Scientific Diagram](https://www.researchgate.net/publication/323538703/figure/fig1/AS:611431347138560@1522788001482/Analysis-of-resonant-frequency-of-piezoelectric-ceramics-with-dimension-parameter-change.png)
Analysis of resonant frequency of piezoelectric ceramics with dimension... | Download Scientific Diagram
![Resonance frequency versus dimensions of the beam. (a) Beam length. (b)... | Download Scientific Diagram Resonance frequency versus dimensions of the beam. (a) Beam length. (b)... | Download Scientific Diagram](https://www.researchgate.net/publication/260370868/figure/fig6/AS:668432160813061@1536378054219/Resonance-frequency-versus-dimensions-of-the-beam-a-Beam-length-b-Beam-width-c.png)