Three Dimensional Position Detection Using a Two Dimensional PSD and a Marker Composed of Two Light Sources

Onishi, Kosuke; Tanaka, Daisuke; Yang, Shiyuan

doi:10.12792/icisip2015.020

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2022

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“…Moreover, the authors of [ 10 ] referred to the possibility of using a method based on code division multiple access (CDMA). In [ 11 ], the authors presented a Fast Fourier Transform (FFT) method which utilizes light intensity modulation with a harmonic function as a signal. The harmonic signal was also used in [ 12 , 13 ].…”

Section: Introductionmentioning

confidence: 99%

Three Dimensional Membrane Vibration Measurement Using a Two Dimensional Position Sensitive Device

Białek

2022

Sensors

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This study presents the outcome of research into membrane vibrations in a 3D space performed using a system based on position sensitive device (PSD) sensors. Here, measurements were conducted for harmonic vibrations. The use of such detectors for assessing the movement of objects within a plane or space requires determining the position of more than one marker. The article reviews two methods for detecting the position of several light spots on a sensor’s photosensitive plane: a marker sequential control method, and a method based on Fast Fourier Transform (FFT) that employs a square wave control signal. The authors present an approach to improving measurement accuracy for both methods. They also discuss the advantages and disadvantages of each.

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Section: Introductionmentioning

confidence: 99%

Three Dimensional Membrane Vibration Measurement Using a Two Dimensional Position Sensitive Device

Białek

2022

Sensors

View full text Add to dashboard Cite

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Three Dimensional Position Detection Using a Two Dimensional PSD and a Marker Composed of Two Light Sources

Cited by 1 publication

References 1 publication

Three Dimensional Membrane Vibration Measurement Using a Two Dimensional Position Sensitive Device

Three Dimensional Membrane Vibration Measurement Using a Two Dimensional Position Sensitive Device

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