本科论文结论..45参考文献46致谢.…47

ABSTRACTMost of the drone operations were put into use after World War II.With theirown advantages,they gradually became the absolute main force of air combat,and ledthe developmen...

office-software designAbstractWith the continuous development and deepening of industry,it has experienced industryOne To industry Three Change.From the mechanical equipment manufa...

哈尔滨工业大学华德应用技术学院毕业设计（论文）AbstractWith the rapid development of the economy,people's existing material needs areconstantly improving,and the quality of living s...

基于电光效应的自由空间激光通信系统设计摘要随着技术的进步和信息社会的发展，自由空间激光通信系统(S0)应用越来越广泛，所以研究如何通过电光调制来增强FS0通信的质量具有重要意义。本文讨论...

自动上料机机架部件设计及性能试验/101-01前右后左立柱.dwg自动上料机机架部件设计及性能试验/101-04底板.dwg自动上料机机架部件设计及性能试验/101-07上垫块.dwg自动上料机机架部件设计及性能...

第1页 / 共45页第2页 / 共45页第3页 / 共45页第4页 / 共45页第5页 / 共45页第6页 / 共45页第7页 / 共45页第8页 / 共45页试读已结束，还剩37页，您可下载完整版后进行离线阅读

ABSTRACTThis paper is to design a 1.5kW,1500r/min,220V,efficiency of 78%self-ventilatedcooling,shunt dc motor.The diameter and length of armature are preliminarilydetermined accord...

目录引言-3-1.电子时钟-3-1.1电子时钟的研究背景-3-1.2数字电子时钟的发展趋势2.设计方案-5-2.1系统的设计思路…-5-2.2AT89S51单片机简介.-5-3.硬件系统设计。73.1系统框架设计…-7-3.2模块设计...

哈尔滨理工大学工程硕士学位论文The research of intelligent multi-user meter basedon single-phase carrierAbstractWith the rapid development of our citizen's residential construction,...