论文详细讨论了基于复杂可编程逻辑器件CPLD的测距电路，说明了该电路的设计和制作。
In this paper, the ranging circuit which is based on the complicated PLD (CPLD) is introduced in detail, and how to design and make the ranging circuit is introduced too.
本文研究了激光雷达相关理论及激光测距方法，基于脉冲激光测距法，给出了一种结构简单，可同时处理多路回波信号的测距电路。
Then this board can provide distance information for bistatic laser radar targeting system. This thesis is devoted to the research on the correlation theory of lidar and the methods of laser ranging.
给出了控制系统硬件设计方案，并对系统的显示电路、超声波测距电路、电机驱动电路、无线通信电路等硬件模块接口电路作出了简要描述。
The concept of the system hardware is discussed. This paper presents also the interfaces of LCD, ultrasonic sensor, motor drive and wireless communication.
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