测距图像传感器由受光面（线阵或面阵）、移位寄存器、输出缓冲放大器、偏压发生器、时序发生电路和其他组件组成。当与脉冲调制光源结合使用时，这些传感器输出光发射和接收时的相位差信息。传感器的输出信号由外部信号处理电路或 PC 进行算术处理，以获得距离数据。
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