Note : This code is based on the number of FPGA IIR infinite impulse response fi...

运用matlab,采用QPSK调制与解调，包括串并转换，傅立叶变换与逆变换，信道估计（采用LS准则），多普勒频移等模块，内容清晰明了。-Use matlab, using QPSK modulation and demodulation, including string and conversion, Fourier Transform and inverse transform, channel estimation (LS criteria used), Doppler frequency shift modules, content clarity.

程序仿真实现了空间信道性能，附有很详细的PDF说明-Process simulation to achieve channel performance space with a very detailed PDF description

高斯脉冲的频谱分析。近似计算并画出高斯脉冲的前15阶导函数的ESD。-Gaussian pulse spectrum analysis. Approximate Gaussian pulse is calculated and drawn 15 of the first derivative function of ESD.

该源程序代码实现了对蜂窝移动通信系统的模拟仿真，用DCA（动态分配信道）实现信道的分配，并在蜂窝系统中使用阵天线，并仿真了CIR传输特性。-The source code of the cellular mobile communication system simulation, with DCA (dynamic channel allocation) to achieve the distribution channel, and cellular systems used in array antennas, and simulation of transmission characteristics of the CIR.

IP电话计费管理系统本地版，适用于中小型话吧。通过各个接口的网关把电话连起来-IP telephone billing management system for the local version, then apply it to small and medium-sized. Through various interface gateways telephone link

关于AD噪声性能分析的几个程序，这个是在国外论坛上下的-AD-noise performance analysis on several programs, this is from top to bottom in foreign forums

No.7信令系统中SCCP的国家规范YD/T 1126,对于开发No.7和IU接口有很大的参考学习价值-SCCP Signaling System No.7 National norms of YD/T 1126, for the development of No.7 and IU has a great interface reference value study

仿真过程中产生瑞利衰落信道的两种方法.用matlab编写-simulation process Rayleigh fading channels in two ways. Prepared with Matlab

逆变器仿真程序可以进行DC/DC的工程进行仿真-Inverter simulation program can be DC/DC engineering simulation

基于TAPI 2.0的软电话源代码，可以实现很多功能（超多，具体自己看，推荐下载研究），在AVAYA IPO 430系列交换机上验证通过。-TAPI 2.0 on the soft phone source code, can achieve a lot of functions (Super more specific, do you recommend downloading Research), in the AVAYA IPO 430 Series switches tested through.