56-M453

学生成绩统计查询系统，有学生、课程、统计、查询、系统说明五个菜单，单击不同的菜单会有子菜单出现。很好的实现管理学生成绩问题。(Student performance statistics query system, students, curriculum, statistics, query, the system shows five menu, click a different menu sub-menu will appear. Achieve good management of student achievement issues.)

采用IGBT的正弦波中频逆变电源设计方案(The use of the sine wave frequency IGBT inverter power supply design)

hardware: 1.CPU:S3C2440A 2.norflash:2MB,bank0, 16bit 3.SDRAM: 64MB,bank6 4.Nandflash:256MB, 8bit 5.develop broad:TX2440A (V6.2 2011/05/12) 6.Jlink v8 software: 1.Jlink v4.08 2.MDK 4.23

系统介绍了PVC胶曹温度的模糊PID控制方案，并用matlab做了仿真分析(Introduced a system of PVC plastic Cao temperature fuzzy PID control scheme, and the simulation analysis using matlab to do)

开关电源设计,英语写的书第三版，作者是Abraham I. Pressman, Keith Billings, Taylor Morey (Switching power supply design, the third edition of the book written in English, of Abraham I. Pressman, Keith Billings, Taylor Morey)

battery NiMH Charging

dubbo最新源码，是很好的分布式解决方案，并且经过实战检验(dubbo source code)

这是有关于stm32中的实验板子上的原理图，如果大家认真学习的话，肯定会了解stm32的(This is the experiment on the stm32 schematic diagram on the board, if you carefully study, you will certainly understand stm32 the)

智能光伏组件，通过智能设计，提高光伏组件的发电系统(solar magic)

针对DVB-T标准ETSI EN 300 744 V1.5.1,设计了可用于DVB-T接收整机的多速率DDC模块,并在FPGA中仿真实现.在复用数字振荡混频模块的基础上,根据输入信号的不同带宽(6M/8MHz)选择不同的抽取滤波器组完成抽取因子为3或4的多速率处理任务,利用两级半带滤波器(HBF)级联完成4倍抽取滤波,单级奈奎斯特滤波器完成3倍抽取滤波. (For the DVB-T standard ETSI EN 300 744 V1.5.1, designed for DVB-T receiver machine multi-rate DDC module, and the simulation in the FPGA implementation. Numerical oscillation in the complex mixer module, based on the input signals of different bandwidths (6M/8MHz) choose a different group of complete decimation filter extracted factor 3 or 4 of the multi-rate processing tasks, using two half-band filter (HBF) cascade to complete four times decimation filter, single-stage Chennai Nyquist filter to complete three times the decimation filtering.)