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rainmeter 皮肤包 近50个皮肤只得拥有快来拿吧

MPU-6050 六轴传感器数据手册（中文）T。pvewTop View88昌翼24123122212019CLKIN18 GNDCLKIN 118 GNDNc 217|NcNC 2Nc6NCNc 316NCMPU-6000MPU-6050Nc16 NCNc514NCAUX DA613VDDAUX_DA613VDDmoQB5B召azQFN PackageQFN Package24-pin, 4mm x 4mm xo9mm24-pin, 4mm x 4mm x 0.9mm+2+7.2典型应用GNDCr 10n2巴2222l2巴2凹2CLKINMPU600回而MPU-6050 sAX CLAUX CLGNDClVLOGIC△NDGNDTypical Operating Circuits73所用电容规格器件标签规格数量校准滤波电容(Pm10)C1陶瓷,Ⅹ7R,0.1uF±10%,2VVDD旁路电容(Pin13)C2陶瓷,Ⅹ7R,0.1uF±10%,4∨电荷泵电容(Pin20)C3陶瓷,Ⅹ7R,10UF±10%,50VLOGC旁路电容(Pin8)C4陶瓷,X7R,10uF±10%,4V7.4上电过程建议Power-Up Sequencing1. TVDDR is VDD rise time: Time for vdd to risefrom 10% to 90% of its final valueVDDR2. TVDDR is $100msec3. tvr is VLOGIC rise time: Time forVLOGIC to rise from 10% to 90% of its finalVDDvaltlVR4. TVGR is S3msec90%5. TvG-VDD is the delay from the start of VDDramp to the start of VLOGIC riseVLOGIC10%6. TVLGVDD is 20: VLOGIC amplitude mustalways be sVDD amplitude7. VDD and VLOGIC must be monotonicramps1.VLOG|C振幅必须sVDD振幅2.VDD上升时间(TvDR)为实际值的10%到90%之间3.VDD上升时间(TvDR)≤100ms4.ⅥLOGC上升时间( TVLGR)为实际值的10%到90%之间5. VLOGIO上爪时间(TvcR)≤3ms6. TVG-VDD为从VDD上升沿到LOG|C上升沿的时间7.VDD和ⅥLOGC必须是单调边沿7.5系统结构图CLKINCLKOUTacknowledgSCL FROMMASTER8clock pulse forSTARTacknowledgementconditionAcknowledge on the ic bus通信开始标志(S)发出后,主设备会传送一个7位的Save地址,并且后面跟着一个第8位,称为Read/ Write位。R^W位表小主改备是在接受从改备的数据还是在向其写数据。然后,主设备释放SDA线,等待从设各的应答信号(ACK)。每个字节的传输都要跟随有一个应答位。应答产生时,从设备将SDA线拉低并且在SCL为晑电平时保持低。数据传输总是以停止标志(P)结束,然后释放通信线路。然而,主设备也可以产生重复的开始信号去操作另一台从设备,而不发出结束标志。综上可知,所有的SDA信号变化都要在SCL时钟为低电平时进行,除了廾始和结束标志。SDA91-7891-7START ADDRESS RN ACKDATAACKDATAACK STOPconditionComplete IC Data Transfer如果要写MPU-60X0寄存器,主设备除了发出开始标志(S)和地址位,还要加一个R∧W位,0为写,1为读。在第9个时钟周期(高电平时),MPU-60X0产生应答信号。然后主设备开始传送奇行器地址(RA),接到应答后,开始传送寄存器数据,然后仍然要有应答信号,依次类推。单字节写入时序Master S AD+WRADATASlaveACKACKACK连续写入时序

用ADO+MFC+ACCESS实现的小型人事管理系统~实现员工信息录入，修改，条件查询，按照word和excel格式导出查询结果记录集。以及系统权限限制管理。对于mfc+ado操作access数据库的使用是个很好的教程~结构简单清晰~注释全面详细~

【实例简介】OpenCV棋盘标定板制作工具小软件（软件和源码） 输入对应要制作的参数即可一键生成想要的标定板图像。

自己使用python实现的部分工程优化算法，包括梯度下降，共轭梯度，牛顿迭代，拟牛顿法等多种优化算法

光照预处理是人脸识中种有效的处理光照变化的方法。近年来涌现出一系列人脸光照预处理方法，但针对这些方法的系统对比与分析的工作相对较少，本文在系统比较现有方法的基础上提出了人脸光照预处理方法的新见解和结论，以及如何设计更好的预处理方法。我们对12种具有代表性的光照预处理方法进行比较研究（HE，LT，GIC，DGD，LOG，SSR，GHP，SQI，LDCT，LTV，LN和TT），着重于两个新的角度：（1）全局方法的局部化和（2）大尺度和小尺度特征带的融合。在公开的人脸数据库（Yalebext，CMU-PIE，CAS-PEAL和FRGC v2.0）上的实验表明，对全局的光照处理方法（HE，GIC，L

Inside_NAND_Flash_Memories.pdfRino micheloni· Luca Crippa· Alessia marelliInside nand flashMemoriesSpringerRino micheloniLuca CrippaIntegrated Device TechnologyForward InsightsAgrate BrianzaNorth yorkItalCanadarino. micheloni@ieee. orgluca.crippa @ieee.orgAlessia marelliIntegrated Device Technologyagrate brianzaItalylessiamarelli@gmail.comISBN97890-481-9430-8e-ISBN97890-481-9431-5DOI10.1007/978-90-481-9431-5Springer Dordrecht Heidelberg London New YorkLibrary of Congress Control Number: 2010931597O Springer Science+Business Media B.V. 2010No part of this work may be reproduced, stored in a retrieval system, or transmitted in any form or byany means, electronic, mechanical, photocopying, microfilming, recording or otherwise, without writtenbeing entered and executed on a computer system, for exclusive use by the purchaser of the wor Ose ofpermission from the Publisher, with the exception of any material supplied specifically for the purpoCover design: eStudio Calamar SLPrinted on acid-free paperSpringerispartofSpringerScience+businessMedia(www.springer.com)PrefaceIn the last decade Flash cards became the most important digital storage supportIt is difficult to identify a single killer application(digital photography, MP3digital video, ...)or whether the success of this media support is due to itsusability in different applications. It is also difficult to state whether the recentlution in the infotainment area has been triggered by the availability of high-performance NAND Flash memories or if the extraordinary success of Flash cardsis a consequence of the establishment of new applicationsIn any case, independently of the cause-effect relationship linking new digitalapplications and Flash cards, to realize how NANd Flash memories entered in ourdaily life, it is sufficient to imagine as they would change our recent habits if theNAND memories disappeared suddenly. To take a picture it would be necessary tofind a film (as well as a traditional camera .), disks or even magnetic tapes wouldbe used to record a video or to listen a song, and a cellular phone would return tobe a simple mean of communication rather than a console for an extendedentertainmentThe development of nand Flash memories will not be set down on the mereevolution of these digital systems since a new killer application can trigger a furthersuccess for this memory support: the replacement of Hard Disk Drives(HDD)with Solid State Drives (SSD)The advantages of Ssd with respect to HDD are countless(higher read/writspeed, higher mechanical reliability, random access, silent operation, lower powerconsumption, lower weight, .. ) Nevertheless, the cost per gigabyte is stillsignificantly favorable to hDd and the success of ssd will depend only on theperformances that they will succeed in reachingThe present book, the fourth authored by rino micheloni and coworkers afterVLSI-Design of Non-volatiles Memories, Memories in Wireless Systems and ErrorCorrection Codes for Non-volatile Memories, all published by Springer, tacklesall the main aspects related to NANd Flash memories, from the physicaltechnological, and circuit issues to their use in Flash cards and SsdsAfter an extended market overview(Chap. 1), Chap 2 has been conceived as aguide for the entire book, so that the reader can directly reach the heart of theproblems that interest himThe following chapters deepen physical and technological aspects. In particularChaps. 3 and 4 tackle technological and reliability issues of traditional FloatingGate NAND memories, respectively, while the state-of-the-art of charge trappingtechnologies is effectively summarized in Chap 5Ⅴ i PrefaceThe central part of the book is dedicated to circuit issues: logic( Chap. 6),sensing circuits(Chaps. 8 and 9)and high voltage blocks( Chaps. 1l and 12)Other basic topics related to circuit aspects are also analyzed, such as theimplementation of Double Data Rate interfaces( Chap. 7), while multilevel storage(2 bits per cell) is presented in Chap. 10Techniques adopted to increase memory reliability and yield are discussedin Chaps. 13 and 14, the former dealing with redundancy, the latter with ErrorCorrection Codes. The test flux used by nand memories manufactures is describedin Chap 15Chapter 16 focus on nand devices storing 3 and 4 bits per cell that allowreaching the lower cost per gigabyte and that will conquer, in the next few years,the market of consumer applicationsThe last chapters are dedicated to the two most popular systems based onNAND memories: Flash cards( Chap. 17)and SsD(Chap. 18). The relationshipbetween Nand memories and system performances are highlightedFinally, Chap. 19 describes the effects of ionizing radiations on non-volatilememories, to understand whether NaNd memories can be safely used in spaceand military applicationsProf. Piero olivoDean of the Engineering FacultyUniversity of ferrara, ItalyAcknowledgementsAfter completing a project like a technical book, it is very hard to acknowledgeall the people who have contributed directly or indirectly with their work anddedicationFirst of all, we wish to thank all the authors of the contributed chaptersWe have to thank mark de Jongh for giving us the possibility of publishing thiswork and cindy zitter for her continuous supportLast but not least, we keep in mind all our present and past colleagues for theirsuggestions and fruitful discussionsRino. Luca and alessiaTable of contentsPrefaceAcknowledgementsvIII Market and applications for nand Flash memoriesGregory Wong2 NAND overview: from memory to systemsR. Micheloni, A Marelli and S. Commodaro3 Program and erase of Nand memory arrays55Cristoph Friederich4 Reliability issues of NAND Flash memoriesC. Zambelli. a. Chimenton and p. olivo5 Charge trap nand technologies115Alessandro grossi6 Control logic131A Marelli.R Micheloni andR. ravasio7 NAND DDR interface161Andrea silvagni8 Sensing circuits197L. Crippa and R. micheloni9 Parasitic effects and verify circuits235L. Crippa and R. michelonO MLC Storage261L Crippa and R Micheloni11 Charge pumps, voltage regulators and HV switchesR Micheloni and L Crippa

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多智能体一致性代码仿真，可以参考一下

Apriori关联性分析python实现(含数据集)，结构清晰易懂