摘要随着科学技术的进步和人民生活水平的提高水平，恒温箱的发展要求提高。生产方面需要结构简单，生活方面要满足要求和操作简单。现在，在实验室的环境温度要求提高精度，医用疫苗的恒温，和奶...

本科论文4.3实物调节…274.4系统测试及结果误差分析28结论…30参考文献.…31附录1原理图.33附录2源程序代码，34致谢.…45

临祈大学2018本料毕业设计摘要在现在这个快速发展的时代，随着中国经济的快速发展人们的生活水平相比与从前也有了很大的改善和提高，人们开始花费更多的时间去满足自己的精神需求，满足精神需求...

1.2DDS技术的研究现状与发展趋势1971年，蒂尔尼等人在《数字频率合成》中首次提出了DDS的概念。1993年，劳伦·库什尼提出了一种高速、低功耗的新型复合式DDS结构。其结构是由低速高分辨率和相位...

兰州城市学院AbstractWith the continuous advancement of industrialization,the new working mode dominated by robots hasbecome the mainstream,and the forming of robots must be closely...

西安航空学院本科毕业设计（论文）ABSTRACTThe modern world with the increase of family use of fire and electricity consumption,residential area and personnel flow of local fire frequ...

南昌师范学院毕业论文（设计）The design of formaldehyde detection system basedonAT89C52AbstractWith the development of society,people's living standards continue toimprove,there is ...

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 ...