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声纹识别MATLAB源程序全代码
声纹识别,特征提取(MFCC),GMM,HMM
- 2020-12-06下载
- 积分:1
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无感FOC电机控制代码
AN1078无感FOC文档的代码,开环启动,电流观测模型,SMO。没有库,全是源码,新手上手FOC的参考代码。
- 2020-12-06下载
- 积分:1
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FIR数字滤波器的设计和实现
FIR数字滤波器的设计和实现 Matlab实现原函数:x(n)=s1(n-n1)+s2(n-n2)+s3(n-n3)1将原函数x(n)加个随机噪音,表示出其图像.2用滤波因子过滤噪音函数后的图像
- 2020-12-08下载
- 积分:1
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TMS320F2837xD技术参考手册-中文Chinese(下)
TMS320F2837xD技术参考手册-第14章:增强型脉宽调制器(ePWM)TMS320F2837xD技术参考手册-第15章:高分辨率脉宽调制器(HRPWM)TMS320F2837xD技术参考手册-第16章:增强型捕捉(eCAP)TMS320F2837xD技术参考手册-第17章:增强型QEP(eQEP)TMS320F2837xD技术参考手册-第22章:Controller Area Network (CAN)TMS320F2837xD技术参考手册-第23章:通用串行总线(USB)控制器TMS320F2837xD技术参考手册-第24章:通用并行端口(uPP)TMS3
- 2020-11-28下载
- 积分:1
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基于STC单片机的多功能电表源程序
【实例简介】采用STC单片机STC12C5A60S2为控制芯片,ATT7022B为采样计量芯片,进行设计的多功能电表,压缩包里包含了全部单片机源程序C51代码
- 2021-11-15 00:32:05下载
- 积分:1
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飞行仿真建模
针对飞机对象,介绍飞行仿真系统的建模仿真过程。完成飞机模型的搭建,飞机建模培训教程。
- 2020-11-29下载
- 积分:1
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基于STM32的SPWM波产生程序
可以用于逆变交流电的产生,也可以用于三相电的产生。
- 2020-12-03下载
- 积分:1
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点云数据处理---用opengl绘制显示并操作
本程序用C++编写,实现了对各种点云数据的读取、显示(用OPENGL显示)、操作(用鼠标选取、放大、缩小、平移等)。
- 2020-12-05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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Origin 2017
Origin/OriginPro 2017已经发布,以前的破解都失效了,附件内的破解程序经测试1周无大C。源程序下载地址见附件内。
- 2021-05-06下载
- 积分:1