串口调试程序485，用于接收发送数据

此资源为G-Rilling提供的EMD，和HHT变换，以及其他优化算法的工具箱，此工具箱需要配合时频工具箱进行使用（因其中代码使用了时频工具箱的算法）,时频工具箱在本人的资源里面有提供，具体的安装步骤在我的个人博客有介绍，祝好，Allen.

大学时做的一个课程设计，提供给各位参考一下。

这个是0.11版Linux内核源码，其中每一行都含有中文注释，能够帮且初学者快速入门Linux内核

方崇智《过程辨识》一书中各种辨识方法的总结及matlab仿真实现。同时还有模型阶次确定方法的仿真。

跳频扩频通信系统仿真搭建，用来仿真一个军事通信的网络安全技术，从信源，信道到新宿，全面仿真了实际效果，可以改变调制点数来得到不同误码率

：针对静止摄像机下的运动目标检测问题，提出了一种基于背景减法的运动目标检测算法( 通过对一组连续视频进行处理，从中得到不含运动目标的背景图像( 再利用背景差分的方法提取出运动目标( 在确定比较阈值的过程中，一改以往通过实验不断调整的做法，提出了动态阈值的概念，从而增强了检测效果，提高了算法的可实施性( 融入了高斯模型关于背景更新的算法，克服了由于背景突然改变而造成的误检测( 实验结果表明，通过背景差分与高斯模型相结合的方法，在有诸多不确定性因素的序列视频中构建背景有较好的自适应性，能迅速响应实际场景的变化，为准确地检测出运动目标提供了必要的基础(

很好的一个基于双目的三维重建C++源代码。使用了Opencv，OpenGL还包括三维重建的显示，很全的流程。

光伏电池仿真模快，效果不错，值得借鉴，matlab平台，效果很不错，值得下载。

stm32f10x_lib.h相关头文件 2.0库全部stm32f10x_lib.h相关头文件 2.0库全部stm32f10x_lib.h相关头文件 2.0库全部stm32f10x_lib.h相关头文件 2.0库全部stm32f10x_lib.h相关头文件 2.0库全部stm32f10x_lib.h相关头文件 2.0库全部stm32f10x_lib.h相关头文件 2.0库全部stm32f10x_lib.h相关头文件 2.0库全部stm32f10x_lib.h相关头文件 2.0库全部stm32f10x_lib.h相关头文件 2.0库全部stm32f10x_lib.h相关头文件

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