EasyARM1138 的蜂鸣器程序 能发出两种不同频率的声音

GPS定位数据压缩算法的设计与实现 文章作者：杨宏业 张 跃 为了解决嵌入式GPS车载系统存储空间小、GPS定位数据量大的矛盾，根据GPS定位数据的特 点，提出了专用于GPS定全数据压缩的改进型半字节压缩算法。-the design and implementation of GPS locaton data compression algrithm.author:yanghongye,zhangyao.solve the problem of gps car-carring system with little memory ,while heavy dataload.according gps data s characteristic ,put forward gps-oriented data compression,improved half byte compression algrithm.

在八个城市之间建造电视微波中继站，如图是可行线路，弧旁数字为费用。试建在哪个城市可实现连通每个城市且费用为最低。-Between the eight cities in the construction of TV microwave relay station, it is feasible to figure lines, beside the figure for the cost of arc. Try to build cities in which to achieve connectivity in each city and the cost of the lowest.

< Visual C++ 6.0实例教程》源代码, WinRAR自解压包-lt; Lt; Visual C 6.0 tutorial examples "source code, WinRAR self-extract package

该程序用ＶＣ实现了一个小型文件压缩与解压缩功能的程序，系统中使用静态二叉树，哈希表等数据结构，采用哈夫曼编码进行压缩与解压缩．-VC realize the program with a small file compression and decompression functions, systems use the static binary tree, hash table, such as data structure, the use of Huffman coding for compression and decompression.

关于C#语言开发的编程，打开需要C#软件。-About C# programming language development, open the need for C# software.

比较不错的压缩算法-quite good compression algorithm

mp3编解码源程序，非常好-mp3 codec source, a very good

很好用的HPHOTO数据压缩工具包，适用于字符压缩，对图像压缩效果不好。-Good data compression used in HPHOTO toolkit for character compression, image compression do not work.

ygCompare，一个压缩文件软件的源代码-ygCompare, a compressed file of software source code

用于数据流压缩的huffman算法源代码-data flow for the Huffman compression algorithm source code