亚洲欧美第一页_禁久久精品乱码_粉嫩av一区二区三区免费野_久草精品视频

蟲蟲首頁| 資源下載| 資源專輯| 精品軟件
登錄| 注冊

Finite-Difference

  • Foundations of Data Science

    Computer science as an academic discipline began in the 1960’s. Emphasis was on programming languages, compilers, operating systems, and the mathematical theory that supported these areas. Courses in theoretical computer science covered finite automata, regular expressions, context-free languages, and computability. In the 1970’s, the study of algorithms was added as an important component of theory. The emphasis was on making computers useful. Today, a fundamental change is taking place and the focus is more on a wealth of applications. There are many reasons for this change. The merging of computing and communications has played an important role. The enhanced ability to observe, collect, and store data in the natural sciences, in commerce, and in other fields calls for a change in our understanding of data and how to handle it in the modern setting. The emergence of the web and social networks as central aspects of daily life presents both opportunities and challenges for theory.

    標(biāo)簽: Foundations Science Data of

    上傳時(shí)間: 2020-06-10

    上傳用戶:shancjb

  • 基于TMS320F28335的超聲波流量計(jì)硬件原理圖+軟件源碼

    基于TMS320F28335的超聲波流量計(jì)硬件原理圖+軟件源碼本文以TMS320F28335 處理器為核心,設(shè)計(jì)一種用于管道流量測量的超聲波流量計(jì)。系統(tǒng)硬件由核心板,超聲波發(fā)射和接收電路,切換電路,超聲換能器,基于ADS805 的高速信號采集電路,人機(jī)交互以及電源等模塊構(gòu)成。采用時(shí)差法進(jìn)行管道流量測量,時(shí)差測量采用SCOT 加權(quán)的廣義互相關(guān)時(shí)延估計(jì)算法。本論文設(shè)計(jì)的超聲波流量計(jì)具有測量速度快、準(zhǔn)確性好、成本低等優(yōu)點(diǎn)。關(guān)鍵字:C2000,超聲波,流量,廣義互相關(guān)算法AbstractA kind of ultrasonic flowmeter using for the pipe flow measurement is designed based onTMS320F28335 in this paper. The system hardware consists of the following parts: the core board,ultrasonic signal transmitter and receiver circuits, switch circuit, ultrasonic transducer, signalacquisition circuit based on ADS805, human-computer interaction module and power supplymodule, etc. The system use the method of time difference for pipeline flow measurement and thetime difference is calculated by the time-delay algorithm of SCOT weighted generalizedcross-correlation. The ultrasonic flowmeter has the features of high testing speed, high precisionand low cost, etc.Keywords: C2000,Ultrasonic, Flow, Generalized Cross-Correlation Algorithm

    標(biāo)簽: tms320f28335 超聲波流量計(jì)

    上傳時(shí)間: 2022-05-06

    上傳用戶:

  • 單片機(jī)實(shí)現(xiàn)ADPCM編碼和解碼

    INTRODUCTION In the past, adding speech recording and playback capability to a product meant using a digital signal processor or a specialized audio chip. Now, using a simplified Adaptive Differential Pulse Code Modulation(ADPCM) algorithm, these audio capabilities can be added to any PICmicro device. This application note will cover the ADPCM compression and decompression algorithms, performance comparison of all PICmicro devices, and an application using a PIC16C72 micro-controller.DEFINITION OF TERMS step size -value of the step used for quantization of ana-log signals and inverse quantization of a number of steps.quantization -the digital form of an analog input signal is represented by a finite number of steps.adaptive quantization -the step size of a quantizer is dramatically changed with time in order to adapt to a changing input signal.inverse quantizer -a finite number of steps is converted into a digital representation of an analog signal.

    標(biāo)簽: 單片機(jī) adpcm 編碼 解碼

    上傳時(shí)間: 2022-06-20

    上傳用戶:

  • 4G移動通信技術(shù)權(quán)威指南:LTE與LTE-Advanced.4G LTE.LTE

    PrefaceDuring the past years, there has been a quickly rising interest in radio access technologies for providingmobile as well as nomadic and fixed services for voice, video, and data. The difference indesign, implementation, and use between telecom and datacom technologies is also becoming moreblurred. One example is cellular technologies from the telecom world being used for broadband dataand wireless LAN from the datacom world being used for voice-over IP.Today, the most widespread radio access technology for mobile communication is digital cellular,with the number of users passing 5 billion by 2010, which is more than half of the world’s population.It has emerged from early deployments of an expensive voice service for a few car-borne users,to today’s widespread use of mobile-communication devices that provide a range of mobile servicesand often include camera, MP3 player, and PDA functions. With this widespread use and increasinginterest in mobile communication, a continuing evolution ahead is foreseen.This book describes LTE, developed in 3GPP (Third Generation Partnership Project) and providingtrue 4G broadband mobile access, starting from the first version in release 8 and through the continuingevolution to release 10, the latest version of LTE. Release 10, also known as LTE-Advanced,is of particular interest as it is the major technology approved by the ITU as fulfilling the IMTAdvancedrequirements. The description in this book is based on LTE release 10 and thus provides acomplete description of the LTE-Advanced radio access from the bottom up.Chapter 1 gives the background to LTE and its evolution, looking also at the different standardsbodies and organizations involved in the process of defining 4G. It also gives a discussion of the reasonsand driving forces behind the evolution.Chapters 2–6 provide a deeper insight into some of the technologies that are part of LTE and itsevolution. Because of its generic nature, these chapters can be used as a background not only for LTEas described in this book, but also for readers who want to understand the technology behind othersystems, such as WCDMA/HSPA, WiMAX, and CDMA2000.Chapters 7–17 constitute the main part of the book. As a start, an introductory technical overviewof LTE is given, where the most important technology components are introduced based onthe generic technologies described in previous chapters. The following chapters provide a detaileddescription of the protocol structure, the downlink and uplink transmission schemes, and the associatedmechanisms for scheduling, retransmission and interference handling. Broadcast operation andrelaying are also described. This is followed by a discussion of the spectrum flexibility and the associated

    標(biāo)簽: 4g 移動通信

    上傳時(shí)間: 2022-07-08

    上傳用戶:

  • VIP專區(qū)-嵌入式/單片機(jī)編程源碼精選合集系列(117)

    VIP專區(qū)-嵌入式/單片機(jī)編程源碼精選合集系列(117)資源包含以下內(nèi)容:1. (1)可以實(shí)時(shí)顯示當(dāng)前時(shí)間。 (2)可以用鍵盤設(shè)定多個(gè)預(yù)定打鈴時(shí)間。 (3)學(xué)有余力的同學(xué)可以增加語音提示的功能.2. 關(guān)于ARM控制鼠標(biāo)運(yùn)行的C程序 所用IC為LPC2132等,程序包含接收和發(fā)送數(shù)據(jù)子程序.3. 來自PhysioNet的心電分析軟件WFDB使用指南.4. 單片機(jī)接口技術(shù)實(shí)用子程序配套源代碼 內(nèi)含關(guān)于串口通信、鍵盤控制、液晶顯示等功能的源碼.5. Boot code for ADM5120 with serial console for Edimax router..6. 論文名字為:多模式自適應(yīng)嵌入式實(shí)時(shí)視覺監(jiān)督。在開發(fā)智能監(jiān)控?cái)z像機(jī)時(shí)這篇論文會對研究者又幫助。.7. bootloader源代碼.8. 匯編的雷達(dá)程序代碼.9. 這個(gè)是51的光電隔離設(shè)計(jì)。.10. nios ii在電機(jī)控制中的應(yīng)用.11. CPLD控制的數(shù)據(jù)采集器原理圖.12. 關(guān)于三星的s3c2410芯片的開發(fā)板的原理圖.13. 本程序段為mifare one 卡讀寫程序的子程序 也是關(guān)鍵程序.14. AT89C2051的設(shè)計(jì)手冊。.15. 這個(gè)是有關(guān)DS12887的資料,超級詳細(xì)的..解釋的很明白.16. s3c44b0 bios起動源程序.17. 一個(gè)Megaco實(shí)現(xiàn)源代碼.18. FPGA的Nios配合時(shí)如何計(jì)算SDRAM相位的文章.19. This an exercise in using finite state machines.基于ALTERA的DE2開發(fā) 平臺.20. 嵌入式微處理器系統(tǒng) 崔光佐 普適計(jì)算與應(yīng)用實(shí)驗(yàn)室 北京大學(xué)現(xiàn)代教育技術(shù)中心 www.uclab.org.21. SST39VF160操作子程序.22. 基于51單片機(jī)的單工呼叫系統(tǒng)詳細(xì)源代碼程序.23. AT91RM9200測試程序.24. TGLCMLIMIT64A接口程序(模擬方式).25. Version Management with CVS.26.  PSoC(可編程片上系統(tǒng))是Cypress半導(dǎo)體公司生產(chǎn)的包含有8位微處理器核和數(shù)字與模擬混合的信號陣列芯片.27. 你相學(xué)會CPLD,FPGA,教程,快速,么,你想使用硬件編程語言么.那就看這個(gè)吧,只要5分鐘.讓你入門.28. S3C2410下LCD驅(qū)動程序移植 及GUI程序編寫 以一個(gè)實(shí)例來敘述S3C2410下一個(gè)驅(qū)動程序的編寫(本文的初始化源碼以華恒公司提供的s3c2410fb.c為基礎(chǔ))及簡單的GUI程序的編寫。.29. s3c44b0 的開發(fā)板測試的所有源代碼及程序!!!匯編代碼主要完成系統(tǒng)初始化.30. 周立功實(shí)驗(yàn)串口調(diào)試! 周立功實(shí)驗(yàn)串口調(diào)試!.31. 周立功實(shí)驗(yàn)SPI調(diào)試! 周立功實(shí)驗(yàn)SPI調(diào)試!.32. 周立功實(shí)驗(yàn)SSP調(diào)試! 周立功實(shí)驗(yàn)SSP調(diào)試!.33. 周立功實(shí)驗(yàn)定時(shí)器調(diào)試! 周立功實(shí)驗(yàn)定時(shí)器調(diào)試!.34. 周立功實(shí)驗(yàn)PWM調(diào)試! 周立功實(shí)驗(yàn)PWM調(diào)試!.35. PT0611打印機(jī)代碼,可用于學(xué)習(xí)用,如果有需要可以下載.36. Cyclone1C20的Nios開發(fā)板完整原理圖Protel格式.37. 尋跡小車主控程序.38. 語言嵌入式系統(tǒng)編程修煉之道,非常有用的嵌入式開發(fā)語言學(xué)習(xí).39. 附件為at91sam9261dk評估板原理圖,protel99se格式的.40. 51單片機(jī)ADS7846適合用在4線制觸摸屏.

    標(biāo)簽: 4421 FSK ISM IA

    上傳時(shí)間: 2013-06-01

    上傳用戶:eeworm

亚洲欧美第一页_禁久久精品乱码_粉嫩av一区二区三区免费野_久草精品视频
欧美网站在线观看| 久久久亚洲国产美女国产盗摄| 国产精品成人免费视频 | 一区二区三区毛片| 欧美久久久久免费| 日韩亚洲国产欧美| 欧美天堂在线观看| 久久福利一区| 久久亚洲综合色一区二区三区| 欧美精品国产精品| 亚洲欧洲日本在线| 久久综合中文色婷婷| 国产精品青草久久| 亚洲欧美综合精品久久成人| 午夜久久tv| 国产精品初高中精品久久| 国内不卡一区二区三区| 亚洲午夜av| 国产日产亚洲精品| 欧美不卡在线视频| 亚洲精品在线三区| 国产丝袜美腿一区二区三区| 欧美综合第一页| 亚洲精选在线观看| 黄色成人在线网址| 欧美成人精品一区二区三区| 夜夜嗨av一区二区三区四区| 好看不卡的中文字幕| 久久久一二三| 欧美精品二区| 亚洲一区二区伦理| 国产欧美日韩麻豆91| 精品91久久久久| 亚洲精品欧美在线| 国产亚洲欧美一区二区三区| 午夜久久久久久久久久一区二区| 亚洲国产一区视频| 国产欧美日韩一区| 国产精品成人aaaaa网站| 美国三级日本三级久久99| 亚洲一区二区三区免费在线观看| 尤物网精品视频| 国产亚洲欧美日韩精品| 国产精品久久午夜| 亚洲人成网站精品片在线观看| 欧美精品一区在线| 欧美国产欧美综合| 免费观看久久久4p| 蜜臀va亚洲va欧美va天堂| 99国产精品国产精品久久| 欧美1区2区| 久久九九国产| 老司机午夜精品视频| 欧美日韩一区二区三区四区五区| 欧美性理论片在线观看片免费| 亚洲香蕉网站| 国产主播精品| 欧美日韩中文字幕综合视频| 亚洲女同性videos| 亚洲精品视频在线观看免费| 欧美另类综合| 国产精品乱子久久久久| 国产一区在线视频| 日韩视频中午一区| 欧美人牲a欧美精品| 亚洲精选中文字幕| 欧美日韩精品欧美日韩精品 | 欧美日韩伦理在线| 久久aⅴ乱码一区二区三区| 狠狠色狠色综合曰曰| 美日韩丰满少妇在线观看| 亚洲人成啪啪网站| 国产欧美一区二区精品婷婷 | 欧美人与性动交α欧美精品济南到| 亚洲黄色成人网| 国产精品毛片va一区二区三区| 久久综合电影| 午夜精品久久久久久久久久久久久| 激情欧美日韩| 国产欧美在线播放| 欧美日韩精品不卡| 国语自产精品视频在线看8查询8| 国产精品久久久91| 国产精品地址| 国产日韩精品在线观看| 一区二区激情视频| 在线看不卡av| 亚洲影院在线| 亚洲网在线观看| 亚洲免费在线视频一区 二区| 亚洲天天影视| 午夜精品福利在线| 香蕉久久一区二区不卡无毒影院| 亚洲香蕉网站| 亚洲一区二区影院| 欧美一级夜夜爽| 免费人成网站在线观看欧美高清| 欧美日韩精品系列| 国产精品一区二区三区久久久 | 欧美色精品在线视频| 国产精品专区一| 9色精品在线| 久久精品视频在线| 欧美韩日精品| 国产一区二区三区高清| 亚洲日韩视频| 久久国产精品72免费观看| 奶水喷射视频一区| 国产精品亚发布| 久久综合久久综合这里只有精品| 国产精品v片在线观看不卡| 国产免费观看久久| 亚洲精品少妇30p| 欧美在线观看视频一区二区三区 | 久久综合给合久久狠狠狠97色69| 欧美精品精品一区| 国产午夜精品久久久久久久| 在线亚洲精品| 欧美顶级少妇做爰| 国产一区日韩二区欧美三区| 99在线观看免费视频精品观看| 欧美专区在线| 国产精品久久久久久影院8一贰佰| 亚洲高清不卡一区| 欧美有码视频| 国产精品日韩精品欧美精品| 亚洲精品乱码久久久久久日本蜜臀 | 在线看无码的免费网站| 91久久线看在观草草青青| 亚洲欧美视频在线观看视频| 牛夜精品久久久久久久99黑人| 国产欧美1区2区3区| 一区二区三区欧美在线观看| 美女被久久久| 影音先锋久久| 久久午夜精品一区二区| 精品动漫一区二区| 久久久久高清| 国产一区二三区| 久久成人18免费观看| 国产精品一区二区久久国产| av成人手机在线| 欧美精品激情| 欧美日韩一区二区免费视频| 亚洲六月丁香色婷婷综合久久| 亚洲国产高清自拍| 久久久综合精品| 国产精品乱码妇女bbbb| 中文精品视频一区二区在线观看| 欧美xxx在线观看| 亚洲精品老司机| 欧美成人一区二区| 亚洲国产三级| 欧美人交a欧美精品| 亚洲精品一级| 国产精品毛片a∨一区二区三区| 亚洲免费大片| 国产精品对白刺激久久久| 亚洲一本大道在线| 国产欧美日韩综合一区在线观看 | 久久亚洲高清| 亚洲二区在线| 欧美日韩91| 亚洲午夜一区二区| 国模精品一区二区三区| 久久影院午夜论| 一区二区三区鲁丝不卡| 国产精品美女一区二区| 久久爱www.| 在线观看91精品国产入口| 久久久高清一区二区三区| 在线播放亚洲| 欧美视频中文一区二区三区在线观看 | 在线亚洲高清视频| 欧美日本国产一区| 亚洲桃色在线一区| 国产精品一区久久| 葵司免费一区二区三区四区五区| 亚洲国产高清在线| 国产欧美精品一区aⅴ影院| 欧美视频中文字幕在线| 午夜视频精品| 亚洲欧洲日产国产网站| 欧美日韩一区在线观看| 欧美一区二区三区视频| 韩国久久久久| 欧美日韩理论| 美女免费视频一区| 国产欧美日韩精品在线| 久久中文欧美| 亚洲午夜精品久久| 精品成人国产| 欧美调教vk| 欧美超级免费视 在线| 亚洲欧美激情在线视频| 国产精品99久久久久久白浆小说 | 国产精品免费网站在线观看| 久久婷婷综合激情| 亚洲伊人久久综合| 99re6这里只有精品视频在线观看 99re6这里只有精品 |