虫虫首页|资源下载|资源专辑|精品软件
登录|注册

DBS

  • Data mining (DM) is the extraction of hidden predictive information from large databases (DBS). Wit

    Data mining (DM) is the extraction of hidden predictive information from large databases (DBS). With the automatic discovery of knowledge implicit within DBS, DM uses sophisticated statistical analysis and modeling techniques to uncover patterns and relationships hidden in organizational DBS. Over the last 40 years, the tools and techniques to process structured information have continued to evolve from DBS to data warehousing (DW) to DM. DW applications have become business-critical. DM can extract even more value out of these huge repositories of information.

    标签: information extraction predictive databases

    上传时间: 2016-03-19

    上传用户:啊飒飒大师的

  • DBS课件

    DBS课件,华中科技大学的数据库的课程的课件,绝对师经典的课件,全英文!

    标签: DBS

    上传时间: 2017-01-18

    上传用户:liansi

  • LG DBS DVB-S2 Tuner (model: TDQX-P001F) Specification

    LG DBS DVB-S2 Tuner (model: TDQX-P001F) Specification

    标签: Specification TDQX-P DVB-S Tuner

    上传时间: 2013-12-09

    上传用户:love_stanford

  • 卫星调谐器 DBS TUNER The TA1322FN is a wideband down-converter which can operate at input frequency ra

    卫星调谐器 DBS TUNER The TA1322FN is a wideband down-converter which can operate at input frequency ranging from 850 MHz to 2200 MHz. Intended primarily for use in satellite tuners, this IC includes an oscillator, a mixer, an IF amplifier and a PLL.

    标签: down-converter frequency wideband operate

    上传时间: 2017-06-17

    上传用户:xinyuzhiqiwuwu

  • 数据库管理软件,具有很多功能,应用DBS数据库

    数据库管理软件,具有很多功能,应用DBS数据库

    标签: DBS 数据库管理软件 多功能 数据库

    上传时间: 2013-12-02

    上传用户:xcy122677

  • 基于AVR单片机的闭环控制系统

      针对科研实验中对拉压千斤顶加载过程控制的需要,采用ATmega128单片机控制步进电机进而实现对执行系统的电动泵站实行自动控制。对力和位移的数据采集与处理及用步进电机控制电动泵站手柄的技术细节作了重点描述。通过单片机的A/D变换器对AMP放大模块采集的电桥信号作量化处理,千斤顶的操控手柄位置依电动油泵阀门开启的方向和大小作若干定位,单片机根据力或位移传感器信号,实时控制步进电机驱动手柄旋转到相应操控位置。   Abstract:   This article describes the use of ATmega128 AVR microcontroller series of DBS electric pumping stations and QF100/200 separate twoway hydraulic jack to automate the process of manipulating the work of the technical content. Articles on force and displacement data acquisition and processing, and stepper motor control electric pump with the handle of the key technical details were described. Through the MCU’s A / D converter module is collected on the AMP amplification quantify the signal bridge, jack handle position control valve opening according to the direction of electric pumps for a number of positioning and size of the microcontroller based on force or displacement sensor signals, real-time control stepper motor drive control handle rotate to the appropriate location.  

    标签: AVR 单片机 闭环控制

    上传时间: 2014-01-15

    上传用户:hasan2015

  • mapgis二次开发其中一部份

    mapgis二次开发其中一部份,介绍了有关DBS的原始代码

    标签: mapgis 二次开发

    上传时间: 2014-11-01

    上传用户:lacsx

  • 常用芯片表贴芯片表贴电阻电容STM封装库AD库(ATIUM PCB封装库): PCB Library

    常用芯片表贴芯片表贴电阻电容STM封装库AD库(ATIUM PCB封装库):PCB Library : 常用芯片表贴芯片表贴电阻电容STM封装库AD库(ATIUM PCB封装库).PcbLibDate        : 2021/5/14Time        : 16:14:01Component Count : 463Component Name-----------------------------------------------LC-12-DIPH-300LC-0201LC-0201_CLC-0201_LLC-0201_RLC-0402LC-0402_CLC-0402_LLC-0402_RLC-0402_Rx2LC-0402_Rx4LC-0603LC-0603_CLC-0603_Cx4LC-0603_LLC-0603_LEDLC-0603_RLC-0603_Rx2LC-0603_Rx4LC-0805LC-0805_CLC-0805_LLC-0805_LEDLC-0805_RLC-1206LC-1206_CLC-1206_LLC-1206_RLC-1210LC-1210_CLC-1210_RLC-1806LC-1806_CLC-1806_LLC-1806_RLC-1808LC-1808_CLC-1808_LLC-1808_RLC-1812LC-1812_CLC-1812_LLC-1812_RLC-1825LC-1825_CLC-1825_LLC-1825_RLC-2010LC-2010_CLC-2010_LLC-2010_RLC-2220LC-2220_CLC-2220_LLC-2220_RLC-2225LC-2225_CLC-2225_RLC-2512LC-2512_CLC-2512_LLC-2512_RLC-ABSLC-BGA-14LC-BGA-84_7.5x12.5mmLC-BGA-121LC-BGA-143LC-BR-3LC-BR-6LC-BR-10LC-CASE 017AA-01LC-CASE-A_3216LC-CASE-B_3528LC-CASE-C_6032LC-CASE-D_7343LC-CASE-E_7343LC-CASE-P_2012LC-CASE-R_2012LC-DBLC-DBSLC-DFN-2LLC-DFN-8_3x3mmLC-DFN-8_5x6mmLC-DFN-10_3x3mmLC-DFN-10_EP_3x3mmLC-DIP-4LC-DIP-5LC-DIP-6LC-DIP-7LC-DIP-8LC-DIP-14LC-DIP-16LC-DIP-18LC-DIP-20LC-DIP-24_300milLC-DIP-24_600milLC-DIP-28_300milLC-DIP-28_600milLC-DIP-40LC-DO-15LC-DO-27LC-DO-35LC-DO-41LC-DO-201ADLC-DO-213AALC-DO-213ABLC-DO-218ABLC-DSON-10LC-FBGA-84_9x12.5mmLC-FBGA-96_8x14mmLC-FBGA-256LC-FBGA-272LC-FBGA-289LC-FBGA-484LC-FBGA-780LC-GBJLC-GBULC-GDTs_SMDLC-GDTs_THTLC-HC-49SLC-HC-49SMDLC-HC-49ULC-HTSSOP-32LC-HVMDIPLC-HVQFN-32_5x5x05PLC-HZIP25-P-1.27LC-KBJLC-KBLLC-KBPLC-KBPCLC-KBULC-LBSLC-LFBGA-217LC-LFCSP-8_3x2x05PLC-LFCSP-8_3x3x05PLC-LFCSP-16_4x4x05PLC-LFCSP-20_4x4x05PLC-LFCSP-24_4x4x05PLC-LFCSP-28_5x5x05PLC-LFCSP40_6x6x05PLC-LFCSP56_8x8x05PLC-LGA-8_3x5mmLC-LGA-14_3x5mmLC-LGA-16_3x3mmLC-LGA-16_4x4mmLC-LL-34LC-LL-35LC-LL-41LC-LPCC-148LC-LQFP-32_7x7x08PLC-LQFP-44_10x10x08PLC-LQFP-48_7x7x05P

    标签: 芯片 电阻 电容 stm 封装

    上传时间: 2021-12-02

    上传用户:hxd

  • 二极管-整流桥封装Altium Designer AD PCB封装库2D3D元件库文件

    二极管-整流桥封装Altium Designer AD PCB封装库2D3D元件库文件PCB Library : 二极管-整流桥.PcbLibDate        : 2020/12/29Time        : 14:46:42Component Count : 48Component Name-----------------------------------------------ABSbr3BR8DBDBSDFN-2DO-15DO-15LDO-15LVDO-15VDO-27DO-27VDO-35DO-35VDO-41DO-41GDO-41GVDO-41VDO-201ADDO-201ADVDO-213AADO-213ABDO-218ABGBPGBUKBLKBPKBUMBFMBMMBSMELF (LL41)MINI_MELF (LL34)R-1R-3R-6RB-15RB-20SMASMBSMCSOD-123SOD-123FSOD-323SOD-523SOD-723SOD-923WOM

    标签: 二极管 altium designer

    上传时间: 2022-03-11

    上传用户:fliang