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LIDAR DETECTOR HAVING A PLURALITY OF TIME TO DIGITAL CONVERTERS INTEGRATED ONTO A DETECTOR CHIP
LIDAR DETECTOR HAVING A PLURALITY OF TIME TO DIGITAL CONVERTERS INTEGRATED ONTO A DETECTOR CHIP
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机译:激光雷达检测器需要很长时间才能集成到检测芯片上的数字转换器
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摘要
A scanning system includes a light source configured to emit light as a series of one or more light pulses, a scanner configured to direct the one or more light pulses towards a remote target, and a receiver configured to detect light scattered by the remote target. The receiver includes a light detector element disposed on an ASIC that includes multiple comparators disposed in parallel with one another, and corresponding time-to-digital converters (TDCs) coupled to the comparator. Each of the comparators processes a received electrical signal from the light detector element to produce a digital edge signal when the amplitude of the received electrical signal reaches a particular threshold. A corresponding TDC outputs a time delay value associated with a time at which the received electrical signal reaches the particular threshold.
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