目录第一章序言1.1、研究背景及意义.12、国内外研究现状及存在的问题213、研究内容.…第二章层析成像的基本理论.…62.1、Radon变换..62.2、速度层析成像的基本原理..823、衰减层析成像的原理.10...

The design of hydraulic drive bicycle power mechanismAbstractIn recent years,the concept of shared bicycles has been very hot.In terms of marketdemand,shared bicycles have unlimite...

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淮阴师范学院毕业设计Abstract:As an important executive element in industrial electrical equipment,stepper motor studies the method of speed regulation control of stepper motor,whic...

哈尔滨工业大学工学硕士学位论文极加热功率及阴极质量流量对等离子体桥区低频段辐射和高频段辐射的频率和幅值、以及总功率影响均较小。经过对实验结果的分析认为，这是因为阴极工作参数，特别是...

25吨自卸车举升机构设计1绪论1.1研究背景和意义近年来随着我国经济的快速发展，国家对基础设施建设项目的大力投资，在各种机械化施工中，自卸汽车的需求量越来越大，自卸汽车的应用范围也越来越...

苏州科技大学本科生毕业设计（论文）Automatic flower pouring technology systemAbstractThe automatic spray technology system of this design mainly includes two parts:detection system ...

location system based on machine vision--the design of circuitand control systemAbstractWith the development of science and technology,the development trend ofmicroelectronic compo...

AbstractWith the continuous improvement of people's living standards,the people have alsobegun to gradually pursue convenience in life,especially fruits and vegetables,which isvivi...