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GPS卫星轨道动态仿真MATLAB
【实例简介】本程序是基于MATLAB编程的卫星轨道动态仿真 利用M文件进行编程实现了 三维立体动画的卫星动态显示
- 2021-11-18 00:33:39下载
- 积分:1
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FPGA应用技术基础教程-刘岚-pdf-494页
FPGA应用技术基础教程-刘岚-pdf-494页写的真的很详细, 对新手是很有用的讲义(494页)下载后就可以不用买书看了, 可以省去¥35.0元http://www.hxedu.com.cn/hxedu/bookDetail?bid=G0087020若是想要ppt档, 可以参考以下的网址FPGA应用技术基础教程-刘岚-9 ppthttp://download.csdn.net/source/226054101-FPGA概述02-FPGA设计基础03-FPGA开发平台04-仿真与设计工具安装05-ISE应用基础实验06-ChipScope应用基础实验07-SOP
- 2020-12-01下载
- 积分:1
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ATmega128 开发板PCB
画得很好!!可以参考的~我觉得这个对于初学者来说是个很好的学习方式!!!
- 2020-12-07下载
- 积分:1
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论坛发帖的实现
基于web的开发,结合jsp,功能已经基本实现,同学们可以拿去参考,是和初学者的
- 2020-12-10下载
- 积分:1
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PID_Discrete_dcmotor离散PID仿真simulink模型
PID_Discrete_dcmotor离散PID仿真simulink模型 可以运行仿真实验 帮助理解理解
- 2020-11-28下载
- 积分:1
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压缩感知BP LASSO OMP STOMP算法(内含完整代码,包括DWT.m、fdrthresh.m|FWT_PO.m、SolveBP.m等M文件,有详细注释
压缩感知BP LASSO OMP STOMP算法(内含完整代码,包括DWT.m、fdrthresh.m|FWT_PO.m、SolveBP.m等M文件,有详细注释)
- 2021-05-06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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qt实现串口通信
Qt5实现串口通信
- 2020-12-12下载
- 积分:1
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基于matlab二种子大脑图像分割代码
图像分割算法,区域生长法,基于二个种子点分割脑部MRI图像,程序完整,希望跟大家分享。
- 2020-12-10下载
- 积分:1
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在线音乐网站源码
在线音乐网站源代码,无BIN文件,代码完整,使用SQL 2000数据库,内附完整安装使用说明。
- 2021-05-06下载
- 积分:1