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  • Nov
    06
    Development of new materials hydrophones

    The main material of the traditional sonar array hydrophone is piezoelectric ceramics, and the development of new materials can greatly improve the sonar performance. Today's new materials are piezoelectric polymers and optical fibers. Among the piezoelectric polymer materials currently are used for

  • Nov
    06
    Development trend of sonar technology

    As an important equipment for detecting submarines, sonar has undergone decades of development. From the sonar equipment are used in the national equipment.the sonar technology researched and developed, the future development trend of sonar technology can be summarized as follows,piezo ceramic conti

  • Nov
    02
    Development of Sonar technology

    Sonar is an electronic equipment that uses sound waves propagating in the ocean to detect targets and locate, identify and track targets. Piezo ceramic ring transducer is the most widely used and most important underwater acoustic equipment in hydroacoustics. Sonar technology refers to the technolog

  • Nov
    02
    Characteristics of piezoelectric filter

    After the electrical signal passes through the filter, not only its amplitude changes with frequency, but also its phase changes with frequency. In order to understand the effect of the filter on the operating state of the circuit after the circuit is involved, it is necessary to study the three cha

  • Nov
    01
    Materials and design of piezoelectric ceramic transformers

    Materials and design of piezoelectric ceramic transformers Materials for piezoelectric ceramic transformers: It has a high electromechanical coupling coefficient, especially the transverse electromechanical coupling coefficient k31 and the longitudinal electromechanical coupling coefficient k33 o

  • Nov
    01
    Characteristics of piezoelectric ceramic transformer

    A silver electrode of piezoelectric ceramics is applied to the upper and lower sides of the left half to be polarized in the thickness direction. When an alternating electric field is applied, the piezo ceramic sheet vibrates, and this portion is the driving portion. The silver electrode is applied

  • Oct
    31
    Thickness vibration mode of piezoelectric ceramic transformer(2)

    The polarization direction and vibration direction of the piezoelectric ceramics are along the thickness direction. Therefore, the input and output part of the piezoelectric ceramic resonator of the thickness vibration mode piezoelectric ceramics are longitudinal vibration modes, and the thickness

  • Oct
    31
    Resonance characteristics of piezoelectric ceramic vibrators

    Piezoelectric ceramics discs oscillators resonate from both a mechanical point of view and an electrical point of view, and have a series of resonant frequencies. We refer to the first occurrence of the resonant frequency at the low frequency end as the fundamental frequency (referred to as the fund

  • Oct
    30
    Bending vibration mode of piezoelectric ceramics vibrator

    If two thick PZT5 material piezo disks sheets having the same thickness and polarized electrodes are bonded together, when an externally applied exciting electric field can elongate one of the sheets and the other piece is shortened, bending vibration can be generated. For the sheets bonded in the o

  • Oct
    30
    Vibration mode of piezoelectric ceramics vibrator

    Piezoelectric ceramic vibrators have a wide range of applications. Piezoelectric ceramic transformers and piezoelectric ceramic filters are processed or combined by piezoelectric vibrators in a certain way. The parameters of the piezoelectric ceramics transducer depends largely on the vibration of t

  • Oct
    29
    What’s the piezoelectric ceramic oscillator

    A piezoelectric ceramic is a resonant body, and when it is used as a piezoelectric element, it is called a piezoelectric vibrator or a piezoelectric ceramic vibrator. With the resonance characteristics, many devices can be fabricated, such as filters, piezoelectric ceramic transformers, and so on.P

  • Oct
    29
    Application of single chip microcomputer in the piezoelectric ceramic transducer

    Piezoelectric ceramics can produce electrostrictive effects under the action of alternating electric field. Piezoelectric ceramic ultrasonic transducers can generate vibration under the action of alternating electric field, and can generate strong ultrasonic waves during resonance. Since piezoelectr

  • Oct
    25
    The new type focused ultrasound transducers

    The use of HIFU piezo ceramic to treat local tumors, how to enhance the treatment effect and minimize the radiation damage to healthy areas is an important issue. In response to this problem, many researchers have designed and developed some new transducers. Some researchers have proposed to use mul

  • Oct
    25
    Evaluation of HIFU transducer performance

    The performance indicators describing the transducer are operating frequency, electroacoustic efficiency, and transmitted sound power. The performance of the HIFU ceramic transducers is described below, and the performance of the four in vitro focused transducers is described separately. (1) Operati

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