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ucGUI人机界面(ucOS+ucGUI人机界面实验源码)
ucOS+ucGUI人机界面实验源码 目前支持：2.4/2.8/3.5/4.3屏 但是不支持4.3寸电容屏的触摸，只支持电阻屏触摸。 如果您购买了4.3寸电容触摸屏，是无法在上面使用触摸屏的，但是可以显示。
- 2020-12-09下载
- 积分：1
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DTU_RTU配置软件
DTU_RTU配置软件软件，功能包含：1、DTU参数配置；2、RTU参数配置；3、GPRS控制;4、RF配置等等
- 2021-05-06下载
- 积分：1
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偏微分方程数值解法的MATLAB源码--古典显式格式求解抛物型偏微分方程等
1、古典显式格式求解抛物型偏微分方程（一维热传导方程）2、古典隐式格式求解抛物型偏微分方程（一维热传导方程）3、Crank-Nicolson隐式格式求解抛物型偏微分方程4、正方形区域Laplace方程Diriclet问题的求解如：function [U x t]=PDEParabolicClassicalExplicit(uX,uT,phi,psi1,psi2,M,N,C)%古典显式格式求解抛物型偏微分方程%[U x t]=PDEParabolicClassicalExplicit(uX,uT,phi,psi1,psi2,M,N,C)%%方程：u_t=C*u_xx 0
- 2020-06-27下载
- 积分：1
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心率测量系统
说明： 利用labview编写的测量测序，可以用来采集传感器发送过来的数据进行处理(The measurement sequencing compiled by LabVIEW can be used to collect data from sensors for processing)
- 2021-01-23 17:20:11下载
- 积分：1
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VS2010下 C#最小二乘法图形界面及源代码
一般社区共享的 最小二乘法源代码都没有图形界面的，我这个是有的！
- 2020-12-02下载
- 积分：1
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QT中利用QCustomPlot类画曲线图
QT中利用QCustomPlot类画曲线图，程序中画了四条曲线，x，y轴自己赋值（若要接收外部数据需要扩展），每条曲线可以设置颜色和粗细以及不同的点标记，每条曲线可以有说明。
- 2020-12-05下载
- 积分：1
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MATLAB基于模型设计（入门到精通）TMS320F28335.pdf
【实例简介】利用Matlab/Simulink 与Ti CCS对C2000/28335 进行建模和自动代码生成，从安装包的安装到模型建立，最后硬件配置、代码生成和在线调试。
- 2021-11-08 00:30:59下载
- 积分：1
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英飞凌IGBT驱动培训资料
在电力电子装置中的一个重要组成部分,输入连接到控制电路的PWM信号输出端，输出连接到装置各IGBT的门极和发射极，将装置中的控制电路产生的数字PWM信号进行隔离传输和电平转换和功率放大,实现控制电路对IGBT进行开通和关断动作的控制，从而实现装置的功率变换功能。InfineontechnologiesIGBT Gate Drive: Power Suppliesa Gate driving voltage for IGBT+15Vturn-on is normally +15VDriver>□1a Gate driving voltage for IGBTOVturn-off can be oV or negativeWith Single Power Supply5V to-15V)a Negative gate driving voltage+15Vhelps IGBt switch off fasterremain in off state but itDriverneeds dual power suppliesOVWhether to use oV or negativegate driving voltage depends15VWith Dual Power Supplieson the requirement on costZH Liang - Al APperformance05Dec2003agefor internal use onlyInfineon Technologies Asia PacificInfineontechnologiesIGBT Gate Drive: InterfaceOpto-couplers is commonly used as interfacingdevices for applications where both signaltransmission and potential isolation are requiredOpto-couplers offers reliable isolation between IGBT(high-potential)& micro-controller(low-potential)Opto-couplers has long signal delay(us)and isexpensiveIsolation +VDpCCMicroDrivercontrollerZH Liang - Al AP05Dec2003Page 6for internal use onlyInfineon Technologies Asia PacificInfineontechnologiesIGBT Gate Drive: Half-bridge DriveStandard configuration: 2 drivers, 2 power supplies, 2 opto-couplersAdvantages: standard, reliableDisadvantages: using opto-couplers, higher system costIsolation +VDDlCC1DriverCC1MicrocontrollerDD2+VCC2DriverCC2ZH Liang - Al AP05Dec2003Page 7for internal use onlyInfineon Technologies Asia PacificInfineontechnologiesIGBT Gate Drive: Half-bridge DriveIn half-bridge IGBT drive, opto-couplers offer two functions(1)safety isolation &(2) shifting the potential of the gatesignal from uc potential to high-side potentialIf safety isolation between IGBT& micro-controller is notneeded, then"Level Shift" can replace opto-coupling andrealize function(2)OptoHigh-sideHigh-sidecouplerDriverIGBTMicro-Opto-LoW-sideLow-sidecontrollercouplerDriverIGBTZH Liang - Al AP05Dec2003Page 8for internal use onlyInfineon Technologies Asia PacificInfineontechnologiesIGBT Gate Drive Level shiftI FeaturesHVc(600V/1200V)沿PULSERFILTERShort Signal DelayPULSE■Cost- effectiveGEN■ No Safety Isolationevel Shift Half-bridge DriverI BenefitHigh-side““°IGBTO Saving Opto-couplersLevel(lower system costShiftMicro● Wider range ofcontrollerLevelLow-side■■■■■直■口m留■Switching FrequencyShiftIGBT(higher flexibility)ZH Liang - Al AP05Dec2003Page 9for internal use onlyInfineon Technologies Asia PacificInfineontechnologiesIGBT Gate Drive: CLTNEWO CLT-Coreless Transformer (for signal transmissionu Coils(Primary Secondary Side)realized on SiliconO Short Signal Delay (allowing high or low switching frequencyu Lower Cost(compared to 1200V level-shift driver日 Safety IsolationCLT Half-bridge DriverHigh-sideCLT Single DriverIGBTCLTMicro-controllerCLTIGBTMicro-controllerLoW-sideIGBTZH Liang - Al AP05Dec2003agefor internal use onlyInfineon Technologies Asia PacificInfineontechnologiesIGBT Gate Drive: Boot-strapBoot-strap circuit includes only a diode and a capacitora In half-bridge drive, the boot-strap circuit can replace the high-sidepower supply and make single-supply operation possibleWhen the low-side IGBT (or FWD)is on, the diode is forwardbiased and the capacitor is charged by the low-side power supplyvia the low-side IGBT and stores the energyWhen the low-side IGBt(and FWD)is OFF, the diode is reversebiased and blocks the dc-bus voltage to protect the low-sidecircuit. Meanwhile, the capacitor supplies energy to the high-sidedriverThe boot-strap capacitance should be high enough to keep thesupply voltage stable Capacitance needed can be calculatedbased on the working conditions and device parametersZH Liang - Al AP05Dec2003agefor internal use onlyInfineon Technologies Asia PacificInfineontechnologiesIGBT Gate Drive: Boot-strap circuitConventional2心菲*|■3 high-side power supplies■1|oW- side power supplyUsing boot-strap circuit心体心心●3 diodes& capacitorso 1 low-side power supplyFeaturesa Diode: ultra-fast recoverya Capacitor: general-purposed ITAa Dependent on low-side IGBTBenefitsSaving 3 PS(transformer cost)22ZH Liang - Al AP05Dec2003Reducing wiring connectionPage 12for internal use onlyInfineon Technologies Asia Pacific
- 2020-12-11下载
- 积分：1
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android studio 企业销售管理系统
这是本人做的安卓毕设，ppt文档都有。有管理员功能，主页面登录注册按钮，点击记住密码登录，关掉app也可以可以保持登录后的界面。创建好了内部数据库sulite。
- 2020-11-06下载
- 积分：1
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zencart尺码有js功能插件
size有js功能插件，可以通过加减按钮控制购买数量
- 2020-12-08下载
- 积分：1
