"基于AT89S51单片机的超声波测距系统设计与实现"

The undergraduate thesis "Design and Implementation of Ultrasonic Parking Radar Based on MCU" introduces the principle and characteristics of ultrasonic sensors, as well as the performance and features of Atmel's AT89S51 microcontroller. It discusses the widespread application of ultrasonic ranging in theft prevention, parking radar, water level measurement, construction sites, and industrial settings due to its strong directional nature, slow energy consumption, and long propagation distance. By analyzing the principles of ultrasonic ranging, the thesis outlines the design ideology and considerations for a ranging system, providing a hardware circuit and software design method for a low-cost, high-precision, miniaturized digital display ultrasonic ranging device centered around the AT89S51 microcontroller. The system's circuit design is rational, stable, with good performance, fast detection speed, simple calculation, and real-time control capability, meeting the industrial practical requirements for measurement accuracy. In conclusion, the ultrasonic parking radar based on MCU described in the thesis is a reliable, efficient, and cost-effective solution for accurate ranging in various applications. The system's capabilities make it a versatile tool for industries and individuals seeking precise and real-time distance measurements.