| 基于AT89S52超声波测距仪设计 |
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| 引用本文： | 朱士虎,何培忠,王立巍. 基于AT89S52超声波测距仪设计[J]. 仪表技术, 2009, 0(6): 22-24 |
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| 作者姓名： | 朱士虎 何培忠 王立巍 |
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| 作者单位： | 徐州师范大学,物理与电子工程学院,江苏,徐州,221116 |
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| 基金项目： | 江苏省高校自然科学研究计划 |
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| 摘 要： | 基于AT89S52超声波测距系统，利用超声波传播时间差来测量距离，由主控制器模块、超声波发射模块、超声波接收模块、补偿电路模块和显示模块等五部分组成。采用单片机进行计时、控制币运算，用动态扫描法实现LED数字显示。实验表明系统具有较高的测量精度和实际使用价值。
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| 关 键 词： | AT89S52 超声波 测距 数字显示 |
Design of Ultrasonic Tester Based on the AT89S52 |
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| ZHU Shi-hu,HE Pei-zhong,WANG Li-wei. Design of Ultrasonic Tester Based on the AT89S52[J]. Instrumentation Technology, 2009, 0(6): 22-24 |
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| Authors: | ZHU Shi-hu HE Pei-zhong WANG Li-wei |
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| Affiliation: | (School of Physics ＆ Electronic Engineering, Xuzhou Normal University, Xuzhou 221116, China) |
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| Abstract: | An ultrasonic tester is designed base on the AT89S52. Distance is measured by applying the transmitting time of ultrasound in air. The system consists of the five modules ： the controller module, ultrasound launch module, ultrasound receiving module, compensable module and display module. This tester adopts the microprocessor to measure time, control, calculation, and LED digital display at the real time. Experiments show the designed circuit has higher accuracy and can reach practical requirement in measurement. |
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| Keywords: | AT89S52 |
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