畢業(yè)設(shè)計---基于單片機的測距儀的設(shè)計

1、畢業(yè)設(shè)計（論文）基于單片機的測距儀的設(shè)計 基于單片機的測距儀的設(shè)計學(xué) 院（系）： （系）：航空電子電氣工程系 航空電子電氣工程系 專 業(yè)： 業(yè)：生產(chǎn)過程自動化 生產(chǎn)過程自動化 學(xué) 生 姓 名： 名：班 級： 級： 自動化 自動化 0901 0901

2、 學(xué) 號： 號： 指 導(dǎo) 老 師： 師： 職稱 職稱: 講師 講師 2012 年 03 月ABSTRACTThe design introduces the principle of the ultrasonic distance measurement instrument based on SCMC-controlled: AT89C51

3、 controls timers to produce the ultrasonic wave pulse and time,count the time of ultrasonic wave spontaneous emission to receive round-trip,thus obtains the measured distance.And the temperature compensation adjustment

4、 is used in the data processing, with four LED nixie tubes display distance or temperature by switching.The entire hardware circuit is composed by ultrasonic transmitter circuit, ultrasonic receiver circuit, the power ci

5、rcuit, display circuit, and other modules. The probe signals are integrated analysised by SCMC to achieve the various functions of ultrasonic distance measurement instrument. Based on this has designed system's overa

6、ll concept, final adoption of hardware and software to achieve the various functional modules. The relevant parts have the hardware schematics and process flow chart.It has given the system constitution, the circuitry an

7、d the programming. The instrument system has features: ease of control, stability of operation, highness of precision and distinctness of programme process ,etc. After the realization of the works can be used for needs o