MeshCircle

此文件为PEER美国太平洋地震工程中心的地震周期加速度反应谱编译工具，用excel编译地震波的反应谱，然后导入PEER，可得到自己想要的地震波。(This document for the PEER Pacific earthquake engineering center of the seismic cycle acceleration response spectrum compilation tool, using Excel to compile the seismic response spectrum, and then import PEER, you can get the desired seismic wave.)

说明：  文件包含了一种解压缩文件UNZIP的C源程序代码。(C )

mfc实现word的文件读，内容写更新以及其他操作(mfc achieved word file read, write content updates and other operations)

一个模拟操作系统磁盘控件管理的程序,采用位示图,界面友好,灵活,比较适合做操作系统实习作业()

以前写的文件删除恢复软件代码发出来,希望能对大家有帮助，源码比较乱，也没时间整理,源码sdk写的，vc6.0编译通过，win7、xp测试通过。支持fat32和ntfs文件系统的文件删除恢复 (Write files deleted recovery software code issued to hope that it can help, chaotic source, there is no time to sort out, source sdk write, vc6.0 compiled through win7, xp test by. Support fat32 and ntfs file system file deletion recovery)

批量修改文件创建时间、修改时间等的程序，用于刷新文件内容(bat change file time )

设置默认程序源码，例程程序使用写注册项的方法实现设置软件为打开文件的默认程序。(Set the default procedures, routine program with write-implemented method registries set up software to the default program to open the file .)

电离层TEC反演,读取CODE文件,转化为某一地点的TEC(Ionospheric TEC inversion, read the CODE file, into a place of TEC)

BX-5U0 25Q16BVS1G.bin不小心损坏了后，可用这个文件恢复BX-5U0库文件(BX-5U0 25Q16BVS1G.bin accidentally damaged, the available file recovery BX-5U0 library files)

首先通过文件操作，读取文件内容，把字符逐个提取后统计字符频率，建立哈夫曼树和进行哈夫曼编码，当然这是根据ASCII编码来将字符转换为二进制，然后实现前缀编码，然后把编码后的使用二进制流写入相应文件(First through file operations, read the file content, the characters one by one after extracting character frequency statistics, establish a Huffman tree and Huffman encoding, and, of course, this is according to ASCII code to convert characters to the binary, then realize the prefix encoding, and then the encoded using binary stream into the corresponding files )