Hongmao Zhu and  Jun Chu and  Lei Shen and  Zhihua Luo,  Frequency and Amplitude Measurement of a Vibrating Object in Water Using Ultrasonic Speckle Technique.   journal   = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology.
    October 2012, vol. 70(10). 2273 - 2275
    [viewed 16 April 2024]. Available from: https://publications.waset.org/pdf/3085.