An ultrasonic examination Ultrasound is sound with frequencies greater than 20 kilohertz. [1] This frequency is the approximate upper audible limit of human hearing in healthy young adults. The …

Jun 16, 2026 · Ultrasonics, vibrations of frequencies greater than the upper limit of the audible range for humans—that is, greater than about 20 kilohertz. The term sonic is applied to ultrasound waves of …

After reviewing this chapter, you should be able to do the following: Define ultrasound and describe its characteristics as a form of energy. Explain the principles of sound wave propagation, including …

Ultrasonics is the only internationally established journal which covers the entire spectrum of ultrasound research, technology, and applications. It contains a variety of sections to keep its readers abreast of …

Dec 6, 2025 · Ultrasonic technology is also found in many consumer and commercial devices, leveraging the mechanical effects of the waves. Ultrasonic cleaning devices use the principle of …

Feb 9, 2025 · Infrasonic and ultrasonic pertain primarily to sound waves outside the range of human hearing, while subsonic, supersonic, and hypersonic describe regimes of airflow relative to the speed …

Apr 29, 2026 · ultrasound, in medicine, the use of high-frequency sound (ultrasonic) waves to produce images of structures within the human body. Ultrasonic waves are sound waves that are above the …

Ultrasonic Sound

Feb 29, 2024 · An ultrasonic sensor is an instrument or an electronic device that measures the distance to target object using ultrasonic sound waves. It ultrasonic sensor uses a transducer for sending and …

Apr 10, 2026 · Ultrasonic waves are sound waves with frequencies higher than the upper limit of human hearing, typically above 20 kHz. Although they are similar to other sound waves in their physical …