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Ultrasonic sensors are sensors that convert ultrasonic signals into other energy signals, usually electrical signals. It is an important branch of sensor products and accounts for a large proportion in the entire sensor industry. Ultrasonic sensors are widely used such as:Liquid level measurement: s
+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.
+Ultrasound is a mechanical wave with an extremely short wavelength. It has the characteristics of high frequency, short wavelength, and small diffraction phenomenon. It can propagate directionally and being reflectet when it encounters obstacles. In nature, bats judge and avoid obstacles by emitting
+Sensor technology is one of the key technologies supporting the development of the automobile manufacturing industry. With the expansion of the commercial scale of intelligent vehicles, sensors have became the essential components of almost all vehicles. Cars are able to detect surroundings and bli
+On November 20th, the World Cup 2022 began in Qatar. As the host,Qatar put on a wonderful and technological opening ceremony for the world. thousands of UAVs sparkling in the sky, played an impressive aerial show changing a variety of patterns such as the "Hercules Cup, the World Cup Official Emblem
+The appearance of intelligent robots in life and medical fields will have great economic benefits. In restaurants, they can achieve zero-error food distribution, while in hospitals, intelligent robots can be used to replace doctors to enter the infected area for drug distribution. In addition
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