the function is uses for obtaining TX with square root cosine filter

FD30调频无线对讲机 电路原理图 很难得的资料！-FD30 FM wireless intercom circuit diagram of information hard to come by!

H.323 2000年规范的文档，是H.323 V4的标准，这是目前最通用的版本，是学习开发H.323的必备材料。-2000 H.323 standard documents, is the standard H.323 V4, which is currently the most common form, is to study the development of the requisite material H.323.

文章通过仿真比较了线性均衡器和判决反馈均衡器在通信系统中的性能-Comparison of the article through the simulation of linear equalizer and decision feedback equalizer in the communication system performance

海南联通的一个SGIP协议短信API的例子程序，从事软件开发人员-Hainan Unicom an agreement SGIP SMS API examples procedures, software developers

Discrete Multi Tone (DMT) is the modulation scheme used for Asymmetric Digital Subscriber Line (ADSL) systems and one of the modulation schemes used for Very high-speed Digital Subscriber Line (VDSL) systems.

VB Mscomm控件应用-VB Mscomm Control Application

用汇编写的，手机sim卡测试，解锁程序，原码，未编译。-Assembly language,for SIM testing,Decode program,Original,Not compiled

数字化与0、1编码. 当今时代最流行的名词――信息化. 信息化=数字化+网络化-Digital encoding and 0,1. The present era the most popular term- information technology. Informationization digital =+ Network

方便地提供xml与wbxml的转换与解析，包括不同的源码和相应的xml文件。此代码可以在Windows和LINUX系统中使用-convenient way for xml wbxml with the conversion and analysis, including different source and the corresponding xml document. This code in Windows and Linux use

EMBEDDED VC++ PDA 上运行的COM口通讯程序含原码.自己写的.PC上运行不了-EMBEDDED VC PDA running on the COM port communication procedures with the original code. Wrote it myself. PC can run