norr@manorshi.com        +86-519-89185720
/ 简体中文
News Center

Parking sensor

Knowing that you are interested in Parking sensor, we have listed articles on similar topics on the website for your convenience. As a professional manufacturer, we hope that this news can help you. If you are interested in learning more about the product, please feel free to contact us.
  • 04 2023-03
    The principle of ultrasonic ranging

    The sound wave frequency that human ears can hear is 20HZ～20KHz. When the frequency is higher than 20KHz, the human ear cannot hear it. Therefore, we call the sound wave with a frequency higher than 20KHz "ultrasonic wave".Ultrasound has a strong directivity and travels a long distance in the air.

    +