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  • 6小时学会labview

    6小时学会labview, labview Six Hour Course – Instructor Notes   This zip file contains material designed to give students a working knowledge of labview in a 6 hour timeframe. The contents are: Instructor Notes.doc – this document. labviewIntroduction-SixHour.ppt – a PowerPoint presentation containing screenshots and notes on the topics covered by the course. Convert C to F (Ex1).vi – Exercise 1 solution VI. Convert C to F (Ex2).vi – Exercise 2 solution subVI. Thermometer-DAQ (Ex2).vi – Exercise 2 solution VI. Temperature Monitor (Ex3).vi – Exercise 3 solution VI. Thermometer (Ex4).vi – Exercise 4 solution subVI. Convert C to F (Ex4).vi – Exercise 4 solution subVI. Temperature Logger (Ex4).vi – Exercise 4 solution VI. Multiplot Graph (Ex5).vi – Exercise 5 solution VI. Square Root (Ex6).vi – Exercise 6 solution VI. State Machine 1 (Ex7).vi – Exercise 7 solution VI.   The slides can be presented in two three hour labs, or six one hour lectures. Depending on the time and resources available in class, you can choose whether to assign the exercises as homework or to be done in class. If you decide to assign the exercises in class, it is best to assign them in order with the presentation. This way the students can create VI’s while the relevant information is still fresh. The notes associated with the exercise slide should be sufficient to guide the students to a solution. The solution files included are one possible solution, but by no means the only solution.

    标签: labview

    上传时间: 2013-10-13

    上传用户:zjwangyichao

  • DesignSpark PCB设计工具软件_免费下载

    DesignSpark PCB 第3版現已推出! 包括3種全新功能: 1. 模擬介面 Simulation Interface 2. 設計計算機 Design Calculator 3. 零件群組 Component Grouping 第3版新功能介紹 (含資料下載) 另外, 中文版的教學已經準備好了, 備有簡體和繁體版, 趕快下載來看看! 设计PCB产品激活:激活入品 Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum。

    标签: DesignSpark PCB 设计工具 免费下载

    上传时间: 2013-10-19

    上传用户:小眼睛LSL

  • DesignSpark PCB设计工具软件_免费下载

    DesignSpark PCB 第3版現已推出! 包括3種全新功能: 1. 模擬介面 Simulation Interface 2. 設計計算機 Design Calculator 3. 零件群組 Component Grouping 第3版新功能介紹 (含資料下載) 另外, 中文版的教學已經準備好了, 備有簡體和繁體版, 趕快下載來看看! 设计PCB产品激活:激活入品 Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum。

    标签: DesignSpark PCB 设计工具 免费下载

    上传时间: 2013-10-07

    上传用户:a67818601

  • 简述PCB线宽和电流关系

      PCB线宽和电流关系公式   先计算Track的截面积,大部分PCB的铜箔厚度为35um(即 1oz)它乘上线宽就是截面积,注意换算成平方毫米。 有一个电流密度经验值,为15~25安培/平方毫米。把它称上截面积就得到通流容量。   I=KT(0.44)A(0.75), 括号里面是指数,   K为修正系数,一般覆铜线在内层时取0.024,在外层时取0.048   T为最大温升,单位为摄氏度(铜的熔点是1060℃)   A为覆铜截面积,单位为square mil.   I为容许的最大电流,单位为安培。   一般 10mil=0.010inch=0.254mm 1A , 250mil=6.35mm 8.3A ?倍数关系,与公式不符 ?  

    标签: PCB 电流

    上传时间: 2013-11-12

    上传用户:ljd123456

  • PLD对FPGA数据加密

    SRAM-based FPGAs are non-volatile devices. Upon powerup, They are required to be programmed from an external source. This procedure allows anyone to easily monitor the bit-stream, and clone the device. The problem then becomes how can you effectively protect your intellectual property from others in an architecture where the part is externally programmed?

    标签: FPGA PLD 数据加密

    上传时间: 2013-10-20

    上传用户:磊子226

  • 微电脑型RS-485显示电表(24*48mm/48*96mm)

    微电脑型RS-485显示电表(24*48mm/48*96mm) 特点: 5位数RS-485显示电表 显示范围-19999-99999位數 通訊协议Modbus RTU模式 宽范围交直流兩用電源設計 尺寸小,穩定性高 主要规格: 显示范围:-19999~99999 digit RS-485传输速度: 19200/9600/4800/2400 selective RS-485通讯位址: "01"-"FF" RS-485通讯协议: Modbus RTU mode 显示幕: Red high efficiency LEDs high 10.16 mm (0.4") (MMX-RS-11X) Red high efficiency LEDs high 20.32 mm (0.8") (MMX-RS-12X) Red high efficiency LEDs high 10.16 mm (0.4")x2 (MMX-RS-22X) 参数设定方式: Touch switches 记忆方式: Non-volatile E²PROM memory 绝缘耐压能力: 2KVac/1 min. (input/power) 使用环境条件: 0-50℃(20 to 90% RH non-condensed) 存放环境条件: 0-70℃(20 to 90% RH non-condensed) CE认证: EN 55022:1998/A1:2000 Class A EN 61000-3-2:2000 EN 61000-3-3:1995/A1:2001 EN 55024:1998/A1:2001

    标签: 48 mm 485 RS

    上传时间: 2015-01-03

    上传用户:feitian920

  • 微电脑型单相交流集合式电表(单相二线系统)

    微电脑型单相交流集合式电表(单相二线系统) 特点: 精确度0.25%满刻度±1位数 可同时量测与显示交流电压,電流,頻率,瓦特,(功率因數/視在功率) 交流電壓,電流,瓦特皆為真正有效值(TRMS) 交流電流,瓦特之小數點可任意設定 瓦特單位W或KW可任意設定 CT比可任意設定(1至999) 輸入與輸出絕緣耐压 2仟伏特/1分鐘( 突波測試強度4仟伏特(1.2x50us) 數位RS-485界面 (Optional) 主要规格: 精确度: 0.1% F.S.±1 digit (Frequency) 0.25% F.S.±1 digit(ACA,ACV,Watt,VA) 0.25% F.S. ±0.25o(Power Factor) (-.300~+.300) 输入负载: <0.2VA (Voltage) <0.2VA (Current) 最大过载能力: Current related input: 3 x rated continuous 10 x rated 30 sec. 25 x rated 3sec. 50 x rated 1sec. Voltage related input: maximum 2 x rated continuous 过载显示: "doFL" 显示值范围: 0~600.0V(Voltage) 0~999.9Hz(Frequency)(<20% for voltage input) 0~19999 digit adjustable(Current,Watt,VA) 取样时间: 2 cycles/sec. RS-485通讯位址: "01"-"FF" RS-485传输速度: 19200/9600/4800/2400 selective RS-485通信协议: Modbus RTU mode 温度系数: 100ppm/℃ (0-50℃) 显示幕: Red high efficiency LEDs high 10.16 mm(0.4") 参数设定方式: Touch switches 记忆型式: Non-volatile E²PROM memory 绝缘抗阻: >100Mohm with 500V DC 绝缘耐压能力: 2KVac/1 min. (input/output/power) 1600 Vdc (input/output) 突波测试: ANSI c37.90a/1974,DIN-IEC 255-4 impulse voltage 4KV(1.2x50us) 使用环境条件: 0-50℃(20 to 90% RH non-condensed) 存放环境条件: 0-70℃(20 to 90% RH non-condensed) CE认证: EN 55022:1998/A1:2000 Class A EN 61000-3-2:2000 EN 61000-3-3:1995/A1:2001 EN 55024:1998/A1:2001

    标签: 微电脑 单相交流 单相 电表

    上传时间: 2015-01-03

    上传用户:几何公差

  • 集合式直流电能表(小功率的)

    集合式直流电能表(小功率的) 特点: 精确度0.05%满刻度±1位数 可同时量测与显示/直流电压/电流/瓦特(千瓦)/瓦特小时(千瓦小时) 电压输入(DC0-99.99V/0-600.0V)自动变档功能 显示范围0-9999(电流/瓦特/千瓦),0至99999999(八位數瓦特小时)可任意规划 数位RS-485 界面 (Optional) 主要规格: 辅助电源消耗功率:<0.35VA(DC12V/DC24V) <0.5VA(DC48V) <1.5VA(AC90-240V(50/60Hz)) 精确度: 0.05% F.S. ±1 digit (23 ±5℃) 输入范围:Auto range(DC0-99.99V/0-600.0V(DC voltage)) 输入抗阻:>5MΩ(DC voltage) 取样时间:10 cycles/second(total) 过载显示: " doFL " 显示值范围: 0-9999 digit(DCA/W(KW)) 0-9999999.999 digit(WH/(KWH)) RS-485传输速度: 19200/9600/4800/2400 selective RS-485通讯位址: "01"-"FF"(0-255) RS-485通信协议: Modbus RTU mode 温度系数: 50ppm/℃ (0-50℃) 显示幕:Bight Red LEDs high 10.16 mm(0.4") 参数设定方式: Touch switches 记忆方式: Non-volatile E²PROM memory 绝缘耐压能力:2KVac/1min.(input/output)(RS-485(Isolating)) 1600 Vdc (input/output) (RS-485(Isolating)) 使用环境条件: 0-50℃(20 to 90% RH non-condensed) 存放环境条件: 0-70℃(20 to 90% RH non-condensed) CE认证: EN 55022:1998/A1:2000 Class A EN 61000-3-2:2000 EN 61000-3-3:1995/A1:2001 EN 55024:1998/A1:2001

    标签: 直流 电能表 小功率

    上传时间: 2013-11-20

    上传用户:s363994250

  • Locally weighted polynomial regression LWPR is a popular instance based al gorithm for learning c

    Locally weighted polynomial regression LWPR is a popular instance based al gorithm for learning continuous non linear mappings For more than two or three in puts and for more than a few thousand dat apoints the computational expense of pre dictions is daunting We discuss drawbacks with previous approaches to dealing with this problem

    标签: polynomial regression weighted instance

    上传时间: 2013-11-28

    上传用户:sunjet

  • UnZip is a small zipfile extract utility. It is written to be assmall portable as possible and is in

    UnZip is a small zipfile extract utility. It is written to be assmall portable as possible and is intended to be starting point for im-plementation of .ZIP files in non-IBM environments.Source code is provided in C and Turbo Pascal. If you port this programto a non-IBM system, I would appreciate a copy of the ported source andexe files.

    标签: is portable possible extract

    上传时间: 2014-01-20

    上传用户:维子哥哥