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Optical and Quantum Electronics

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01-10-2019

A 7.4 kHz, 20-bit image encoder with a CMOS linear image sensor

Authors: Yusong Mu, Jiaqi Jiang, Ning Ding, Qiliang Ni, Yuchun Chang

Published in: Optical and Quantum Electronics | Issue 10/2019

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Abstract

This paper presents a unique CMOS linear image sensor for reading the pseudo-random code on the slit disc, focusing on the two aspects of low noise and readout rate. Each pixel is equipped with an exclusive integral readout circuit, and the shape of the pixel also matches the slit disc, making the output signal consistent by up to 99%. After subdivision, the absolute angle data can be captured with an angular resolution of 16 bits and a maximum speed of 7.4 kHz. In addition, decoding and subdivision methods are suitable for high-speed, inexpensive encoder systems.

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Title: A 7.4 kHz, 20-bit image encoder with a CMOS linear image sensor
Authors: Yusong Mu
Jiaqi Jiang
Ning Ding
Qiliang Ni
Yuchun Chang
Publication date: 01-10-2019
Publisher: Springer US
Published in: Optical and Quantum Electronics / Issue 10/2019
Print ISSN: 0306-8919
Electronic ISSN: 1572-817X
DOI: https://doi.org/10.1007/s11082-019-2037-z

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