Ultrasonic Receivers and ultrasonic Transmitters are the core components of ultrasonic technology, which together constitute the ultrasonic system. Ultrasonic Transmitters are usually made of piezoelectric ceramics or composite materials and produce ultrasonic pulses by applying a high-frequency voltage. When the electrical signal passes through the transmitter, the physical deformation of the material produces mechanical vibration, which in turn generates ultrasonic waves. Ultrasonic Receivers are responsible for receiving ultrasonic signals reflected back by the target object and converting them back to electrical signals for processing. This conversion process is also based on the piezoelectric effect, which produces voltage changes through the deformation of the piezoelectric material, which are then recognized and processed by subsequent circuits. After receiving the signal, the ultrasonic receiver will carry out amplification, filtering and demodulation operations to extract useful information.

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