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首页> 外文期刊>IEEE Journal of Solid-State Circuits >A 120/spl times/110 position sensor with the capability of sensitive and selective light detection in wide dynamic range for robust active range finding
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A 120/spl times/110 position sensor with the capability of sensitive and selective light detection in wide dynamic range for robust active range finding

机译:120 / spl times / 110位置传感器,具有在宽动态范围内进行灵敏和选择性光检测的功能,可实现可靠的有效范围查找

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摘要

A 120/spl times/110 sensitive and light selective position sensor array with wide dynamic range is presented. The sensor can detect the position of a low-intensity light projected on nonuniform background illumination for a robust range finding system. It achieves -18-dB signal-to-background ratio (SBR) light detection in wide range of 48-dB background illumination due to a modulated light projection and correlation technique on the sensor plane. It also realizes selective light detection for multiple light projection systems. The range finder has been fabricated in 0.6-/spl mu/m CMOS process and successfully tested. The range finding system achieves >1.5-mm range accuracy at 1000 mm using a low-intensity projected laser beam in a nonuniform target scene.
机译:提出了具有120 / spl次/ 110灵敏度和光选择范围的动态范围宽的位置传感器阵列。传感器可以检测到投射在不均匀背景照明上的低强度光的位置,以实现强大的测距系统。由于在传感器平面上采用了调制的光投射和相关技术,因此在48 dB的宽广背景照明范围内,它可实现-18 dB的信噪比(SBR)光检测。它还实现了针对多个光投影系统的选择性光检测。测距仪采用0.6- / spl mu / m CMOS工艺制造并成功测试。测距系统在不均匀的目标场景中使用低强度投射的激光束,可在1000 mm处实现> 1.5 mm的测距精度。

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