| 摘要 |
A method for maximizing the radiated power of a transducer, such as a sonar transducer, includes providing a transducer system comprising a transducer operating at a frequency f and having a radiating face, a tuning fluid having a density rho1 and a speed of sound c1, a tuning plate having a density rhop and a thickness t, and an external fluid having a density rho2 and a speed of sound c2; and tuning the transducer to have a maximum specific acoustic resistance at the radiating face in accordance with the equation:The present invention also relates to changing the resonance frequency of a transducer including providing a transducer system with an operating frequency f, the tuning plate spaced from the transducer face by a distance s, and the tuning fluid between the transducer face and the tuning plate and changing the resonance frequency in accordance with the equation
|
