本科论文附录1元器件清单27附录2源程序清单…28致谢…44

4.衰减.10图3-7声压在不同距离下的衰减特性105.声压特性10图3-8超声波传感器的声压图，.116.灵敏度特性图3-9超声波传感器灵敏度示意图117.辐射特性….113.3.5测距分析..12图3-11探测距离原理图....

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摘要本文所选用的控制模块核心部分为STC89C52单片机，并以此为基础控制元件并添加了其他模块，最终组成一个水位检测装置。在本次设计的水位监测系统中，单片机与压力传感器模块以及扬声器等其他...

ABSTRACTABSTRACTPulse meter in our daily life have got the very extensive application.In order to improvethe simplicity and accuracy of the apparatus used to measure the pulse,this...

齐展鹏：单片机闭环控制BOOST变换器AbstractIt is well known that the boost chopper circuit is the basic chopper circuit and the design ofthe adjustable DC power supply can be realize...

Based on LabVIEWMeasurement and Control Technology and Instrument,Measuring 2014 class Wei Cai LianSupervisor Gan Yong-jingAbstractThis topic to STC15 single-chip microcomputer as ...

AbstractStepping motor is an executive element controlled by electric pulse signal and it is widelyused in various fields.The popularity and application of microelectronic technolo...

TitleThe control circuit design of the dot-matrix liquid crystaldisplay controlled by the microprocessorAbstractIn recent years,with the development of the electronics industry,the...

无锡职业技术学院毕业设计（论文)说明书目录、绪论…31.1项目研究背景……31.2项目研究目的及意义41.2.1项目研究的目的.51.2.2项目研究的意义。51.3因内外现状.61.3.1因内现状.……61.3.2因外现...