基于51单片机超声波测距
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....
自动车距保持控制系统设计
AbstractThe automatic measuring of distance is mainly used in measuring the distance of CarBacking reminding,construction sites,industrial site,etc.The application of ultrasonic te...
实习教师在幼儿安全管理方面面临的问题研究——以云师大教管学院为例
AbstractThe safety of young children affects not only the daily work and happy life of thefamily,but also the harmony and stability of the society.In order to ensure thesafety of y...
基于单片机的温控风扇设计
苏州市职业大学毕业设计AbstractIn modern society,many industrial production and daily life are inseparable from theapplication of temperature control fan,which plays a prominent rol...
基于智能定位的微信小程序点餐系统的设计与实现
AbstractWith the development of 5G networks,the current mobile Internet haspenetrated into all aspects of people's lives.In order to solve theinconvenience of people's meals during...
棉桃破壳机结构设计
本科论文3.7动搓辊轴.193.8轴的校核…193.9工作部件之间的关系233.10三角弹簧与弹簧底座243.11轴承座支架.253.12侧板4444444253.13搓板263.14棉桃破壳机电动机的选择.273.15本章小结284棉桃破壳...
3-6岁儿童父母教育观念的现状调查
Survey on the current situation of parental education conceptin children aged 3-6Abstract From the age of 3 to 6,children are experiencing a critical period in their individualdeve...
零件自动定位机械臂设计
Design of automatic positioning manipulator for partsAbstractThe part automatic positioning mechanical arm is a mechanical arm component that canmake the pressure sensor in the cla...
浙江省衢州市吾悦商场建筑结构设计
本科论文摘要近些年我国建筑业正处于蓬勃发展时期，其中对于商场这种空间结构的需求将会有极大的提升。人们对餐饮娱乐的需求也开始激增，综合所有的功能需求，商场可谓是所有服务娱乐休闲的综合...
