A low-cost dynamic range-finding device based on amplitude-modulated continuous ultrasonic wave

Hong Hua, Yongtian Wang, Dayuan Yan

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

A practical low-cost acoustic range-finding method is presented, which provides a high-speed and high-accuracy solution for distance measurement. It is based on the linear phase delay of the received signal, with respect to the transmitted signal caused by the distance between the transmitter and the receiver. A continuous ultrasonic signal amplitude modulated by a low-frequency acoustic signal is used. The accuracy can be up to 2 mm within 1.5 m and the dynamic data update rate can be up to 150 Hz. The design principles, hardware implementation, experimental results, and performance analysis are included.

Original languageEnglish (US)
Pages (from-to)362-367
Number of pages6
JournalIEEE Transactions on Instrumentation and Measurement
Volume51
Issue number2
DOIs
StatePublished - Apr 2002
Externally publishedYes

Fingerprint

Ultrasonic waves
ultrasonic radiation
dynamic range
Acoustics
Distance measurement
Costs
Transmitters
Ultrasonics
Hardware
acoustics
transmitter receivers
hardware
receivers
ultrasonics
high speed
low frequencies

Keywords

  • Amplitude modulation
  • Continuous ultrasonic wave
  • Distance measurement
  • Phase shift

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Instrumentation

Cite this

A low-cost dynamic range-finding device based on amplitude-modulated continuous ultrasonic wave. / Hua, Hong; Wang, Yongtian; Yan, Dayuan.

In: IEEE Transactions on Instrumentation and Measurement, Vol. 51, No. 2, 04.2002, p. 362-367.

Research output: Contribution to journalArticle

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