短波信道watterson模型的建模仿真，已经编译通过。

Modbus 中文说明文档，很详细。比较不错-Modbus Chinese documentation, very detailed. Quite good

passwrod manager-password manger

正交频分复用 （OFDM） 是一种通信技术，通信信道分为同样间隔的频段的数目。副载波携带用户信息的一部分是在每个波段中传输。每个子载波与每一个其他副载波，从常用的频分复用 （FDM） 鉴别 OFDM 是正交 （相互独立）。频分复用 （FDM） 是一种技术，通过单一的传输路径如电缆调制解调器或无线系统同时传输多个信号。每个信号传播在其自身独特的频率范围内 （载波） 调制的数据 （文本、 语音、 视频等）。正交 FDM （OFDM） 扩频技术将数据分布在一大批以精确的频率间隔的载体。这种技术中的这个间距提供"正交"以防止解调器看到自己以外的其他频率。

Datasheet GSM/GPRS wireless for multitech

MAD-FCL (version 1.7): The software is distributed in binary/source code formats under a GPL (GNU GENERAL PUBLIC LICENSE) license. Here is the official copyright and license. Distribution package is named to MAD-FCL (MAD FileCasting Library). Source distribution contains MAD-ALCLIB, MAD-SDPLIB and MAD-FLUTELIB libraries and MAD-FLUTE application. Binary distribution contains only MAD-FLUTE application. MAD-FCL is implemented using C-language. Latest binaries for Linux are compiled in Debian Linux with gcc version 4.0.4. MAD-FLUTELIB is based on RFC 3926 (FLUTE). -MAD-FCL (version 1.7): The software is distributed in binary/source code formats under a GPL (GNU GENERAL PUBLIC LICENSE) license. Here is the official copyright and license. Distribution package is named to MAD-FCL (MAD FileCasting Library). Source distribution contains MAD-ALCLIB, MAD-SDPLIB and MAD-FLUTELIB libraries and MAD-FLUTE application. Binary distribution contains only MAD-FLUTE application. MAD-FCL is imp

this is a dll file required for simple server client in windows

语音压缩和解压缩源代码。-voice compression source code.

中文RFC文件，无需翻译，对学习很有帮助！

伦敦地铁信令仿真器-London subway signaling Simulator

Comunicacion serial con la computadora para el PIC.