定义2.1.2酉矩阵：若一个n×n阶的复数矩阵U满足U=AHA=E,其中矩阵E为n阶单位矩阵，AH为U的共轭转置，则称U为酉矩阵0，定义2.1.3对角矩阵：在矩阵中，如果除了主对角线，其它元素均满足等于0的条...

Design of Four-rotor UAV Based on stm32AbstractThe four-rotor UAV is a kind of UAV with strong stability and simplestructure.This design takes the STM32F103C8T6 as the core,takes t...

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AbstractMathematics educator stolyard thinks:'mathematics activity is mathematicsthinking activity,the student's mathematics activity is the positive thinking activity inmathematic...

6.2 FLASH EPROM存储器.336.3ISP设计….346.4单片机与PC机的连接356.4.1连接介绍…356.4.2MAX232概述36结论。。。。eeeeeeeeeeeeeeee。。e。。。3致谢39附录412

AbstractThe graduation design completed this time is based on the project biddingdocuments released by the tenderee of Yantai Penglai government office buildingproject and the tech...

AbstractCauchy-Schwartz Inequality is one of the most important inequalities in mathematicalanalysis,which is widely used in many different fields.In this paper,several commonexpre...

AbstractThe measurement of dust concentration at coal mine is very important for the safety incoal mine production and the life safety of the coal mine workers.In this paper,a new ...

北京理工大学珠海学院2020届本科生毕业设计诚信承诺书本人郑重承诺：本人承诺呈交的毕业设计《陕西省榆林市绥德县综合办公楼结构设计》是在指导教师的指导下，独立开展研究取得的成果，文中引用...

AbstractToday,third-party payment has changed all aspects of people's work and life,butthere are also hidden dangers.In order to regulate the development of the third-partypayment ...