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Ultrasonic Transducer information

  • Sep
    18
    Performance Indicators Ultrasonic Distance Sensor

    Ultrasonic distance sensor can be widely used in related fields such as level, liquid level, monitoring, robot anti-collision, various ultrasonic proximity switches and anti-theft alarms. It is reliable in the operation, easy to install, waterproof, with small angle of launch, high sensitivity and c

  • Sep
    18
    Material and Working Principle of Ultrasonic Distance Sensor

    In the industry, the typical application of ultrasonic waves is non-destructive testing of metals and ultrasonic thickness measurement. In the past, many technologies were hindered by the inability to detect the inside of objects, and the emergence of ultrasonic sensing technology changed this situa

  • Sep
    17
    What’s the ultrasonic ranging module transducer

    The main purpose of ultrasonic transducers is to measurement and alarm. The design involves more content, mainly combining the single-chip control module, ultrasonic ranging module, buzzer alarm module and 4-digit digital tube display module. The core of this design is the ultrasonic ranging module.

  • Aug
    29
    Signal processing method for ultrasonic ranging sensor

    There are many methods for measuring distance ultrasonic sensors, and the most used ones are Pellam and Galt in 1946.The pulse echo method proposed in the year, the working principle of the ultrasonic probe is excited by the ultrasonic frequency pulse to radiate the ultrasonic wave outside, and the

  • Aug
    29
    ultrasonic ranging transducer with low SNR and spectral analysis

    Ultrasonic ranging transducer at low SNR and low sampling rates based on cross-correlation function. The specific method is as follows the ultrasonic signal sent by the transmitter is used as a reference signal, and the output of the receiver is immediately sampled at the end of each transmission of

  • Aug
    25
    The transducer used for a micro-displacement driving device

    The ultrasonic transducers is bonded with two symmetrical metal shells and piezoelectric ceramic discs are polarized in the thickness direction with super glue to form a metal-ceramic composite type, its working mechanism is transforming for the high-impedance,small-radial expansion and contraction

  • Aug
    25
    Axial vibration of ultrasonic transducers

    The structure of the multi-node disk ultrasonic transducers, the horn function is to amplify the ultrasonic amplitude, and the large disk can improve the transducer's pointing. The working principle of this type of transducer is to connect a longitudinal conical horn and the longitudinal piezoelectr

  • Aug
    24
    Double crystal oscillator of ultrasonic transducer

    The ultrasonic distance measuring transducer with double crystal oscillator is a bimorph ceramic that is bonded together and has opposite polarization directions.The working principle of the sheet is to apply an alternating electric field of opposite polarity to the upper and lower ceramic sheets in

  • Aug
    24
    Piezoelectric ultrasonic transducer

    Ultrasonic transducers are essentially a class of electromechanical energy conversion devices, which can be divided into piezoelectric, electromagnetic and magnetostrictive types according to their working principles. At present, common ultrasonic transducers are generally piezoelectric, which works

  • Aug
    23
    current status of ultrasonic distance sensors

    A device for transmitting and receiving ultrasonic waves, which is called an ultrasonic transducer or ultrasonic probe; an ultrasonic transducer and transceiver circuit constitutes an ultrasonic sensor. In order to develop a large-range ultrasonic sensor, it is necessary to understand the physical p

  • Aug
    23
    transmitting circuit of ultrasonic sensor

    At present, foreign big car companies have invested a lot of resources to develop advanced anti-collision and safety warning systems for advanced cars with GPS, but the excessive cost limits its application in ordinary cars. To this end, greatly reducing the cost of the car's active anti-collision a

  • Aug
    21
    Ultrasonic vehicle ranging sensor and its performance

    In order to facilitate the application and significance of the research topic of the large range ultrasonic ranging system in the following chapters, it is first necessary to understand the research status and development trend of the current automotive ranging sensor technology field. a brief intro

  • Aug
    21
    Multiple applications of ultrasonic distance measuring sensor

    Ultrasonic waves have beam and reflection characteristics, which can basically travel along a straight line, and their energy is much larger than the low frequency sound waves of the same amplitude. The non-contact ultrasonic ranging sensor is made by using this characteristic of ultrasonic waves. I

  • Aug
    20
    ultrasonic sensors used for sonar systems in the water

    Ultrasonic sensors for range-finding are the basis of many robotic and automaticapplications, such as obstacle avoidance and collision warning systems of cars, self-guidedautonomous vehicles, fieldwork robots and so on. However, there is specified restriction when anairborne ultrasonic transducer is

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