Air-coupled ultrasonic time-of-flight measurement system using amplitude-modulated and phase inverted driving signal for accurate distance measurements

Author:

Sasaki Katsuhiro1,Tsuritani Hiroyuki1,Tsukamoto Yoshitoshi1,Iwatsubo Satoshi1

Affiliation:

1. Central Research Institute, Toyama Industrial Technology Center

Publisher

Institute of Electronics, Information and Communications Engineers (IEICE)

Subject

Electrical and Electronic Engineering,Condensed Matter Physics,Electronic, Optical and Magnetic Materials

Reference7 articles.

1. Improved phase-detection method using an air-coupled ultrasonic wave for a few-tens of nanometers displacement measurements

2. [2] K. Sasaki, M. Nishihira, and K. Imano, “Precise displacement measurements using phase information of 40kHz ultrasonic waves in a pinhole-based air-coupled ultrasonic system, ”Jpn. J. Appl. Phys., vol. 46, no. 7B, pp. 4545-4548, 2007.

3. [3] H. Hashizume, A. Kaneko, and M. Sugimoto, “Phase accordance method-an accurate ultrasonic positioning method, ”IEICE Trans. Fundamentals, vol. J91-A, no. 4, pp. 435-447, 2008.

4. A method for short or long range time-of-flight measurements using phase-detection with an analog circuit

5. Accurate distance measurement by an autonomous ultrasonic system combining time-of-flight and phase-shift methods

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