电话拨号演示系统（需硬件板卡支持）

QPSK相关接收机及匹配接收机的verilog实现-QPSK correlation receiver and matching receiver verilog implementation

％直接型到并联型的转换 ％ ％[C,B,A]=dir2par(b,a) ％C为当b的长度大于a时的多项式部分 ％B为包含各bk的K乘2维实系数矩阵 ％A为包含各ak的K乘3维实系数矩阵 ％b为直接型分子多项式系数 ％a为直接型分母多项式系数 ％ - Directly to the shunt-type conversion [C, B, A] = dir2par (b, a) C for when the b is greater than the length of a polynomial when part of B to include the bk of the K x 2 Victoria real coefficient matrix A contains the ak for the K x 3-dimensional real coefficient matrix b-type elements for direct polynomial coefficients a direct-type denominator polynomial coefficients

低密度校验码（LDPC）编码解码matlab源程序-LDPC codes (LDPC) codec matlab source

该程序源代码实现了OFDM通信系统性能的仿真，调制方式有BPSK,QPSK,MSK,QAM,信道为AWGN和Rayleigh信道，并对有插入导频的符合IEEE802.11a的OFDM系统进行了仿真。-The program source code to achieve the performance of OFDM communication system simulation, modulation has BPSK, QPSK, MSK, QAM, for the AWGN channel and Rayleigh channel, and have inserted the line with the IEEE802.11a pilot of OFDM system simulation.

ARM实现LCD驱动显示,可读性强,在Keil可编译通过.-LCD drive ARM realize showed strong readability in the Keil compiler can be adopted.

本源代码给出了一个完整的蜂窝移动通信系统的仿真程序实例,开发环境是matlab,希望可以从事此方面工作的人员提供一个借鉴.-Source code is given a complete cellular mobile communication system simulation program examples, the development environment is matlab, hope that we can engage in this work provide a reference.

MIMO差分检测的代码，用此检测接收端不需要信道信息。-MIMO differential detection code, using this detection receiver does not need channel information.

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.

matlab开发的阵列天线设计工具，可以设计均匀/非均匀、一维/多维等阵列，可画出方向图-Matlab development of the antenna array design tools can be designed uniform/non-uniform, one-dimensional/Multi-dimensional arrays, etc., can be painted pattern

DS-CDMA一种具体的码分导引辅助的信道估计方法-DS-CDMA