用sse2来实现dct变换，对于图像处理的速度有很大提高。

LPC2000 启动代码Start.s文件简要分析 先说一下启动代码的位置，启动代码是在板子加电后首先执行的。所以非要用汇编来写才行。 要完成处理器模式的初始化、设置中断向量表、设置各个模式下的堆栈、初始某些变量从而把 系统带到一个合适的运行环境中开始用户程序的运行。 本段设置处理器的模式相关常量

自己写的习题程序，可以说是很基本的，实现了英文查询月份输出简写。-yourself writing exercises procedures, it is very basic, and achieving the English abbreviation for the month of output.

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数字信号发生器可以用来解决数字信号，我说的不好，请大家自己-Digital signal generator can be used to solve the digital signal, I say bad, please everyone their own

Abstract A new intelligent milometer base on a microcontroller can count the sum. By taking full use of the processor 89s51 and E² PROM (AT24C02) and sensor of magnetism, it can count the sum of fully distance and the course of development.

TLC2543是TI公司的12位串行模数转换器，使用开关电容逐次逼近技术完成A/D转换过程。由于是串行输入结构，能够节省51系列单片机I/O资源；且价格适中，分辨率较高，因此在仪器仪表中有较为广泛的应用。-TLC2543 is TI s 12-bit serial ADC, the use of switched-capacitor successive approximation technique to complete A/D conversion process. Because it is serial input structure, and can save 51 Series single-chip I/O resources and affordable, higher resolution, so the instrumentation are more widely used.

卖花姑娘的发声程序，汇编语言编写，附音阶表，可改变曲目-Maihuaguniang the audible, assembler language, with chromatic scale, can change the repertoire

这是一个串行IIc总线型EEPROM24c02的读写汇编源程序，通过按键来控制读写操作-This is a serial bus type IIc compilation EEPROM24c02 source of reading and writing, through the buttons to control the read and write operation

一款人与客户端打飞机的人工智能游戏,,, 和美观的界面-a game that play with the clint to hit the planew .look: who can the First hit the enemy s the head of the plane

ch451显示和四位共阴极数码管1234-ch451 four common cathode display and digital tube 1234