heterodyne

OFDM系统matlab仿真，（完美的OFDM仿真程序MATLAB），可以正常运行(OFDM system simulation matlab, (perfect OFDM simulation program MATLAB), you can run)

说明：  李纯明博士的图像分割源代码，可以分割各种图像，可运行。(Dr. Li Chunming image segmentation source code, can be divided into a variety of images, can run.)

天线组阵中基于循环相关的BPSK信号合成方法研究(Antenna array study group cycle related BPSK signal synthesis method based on)

现代通信系统， 基于MATLAB的仿真，利用MATLAB学习通信原理(Contemporary Communication Systems Using MATLAB)

完全实现多串口通信，使用C#测试，完全通过(Multiple serial communication)

随机构造的LDPC码的编译码过程：BP1、GetG、getH、H2G、LDPC(The encoding and decoding process of random constructed LDPC Codes: BP1, GetG, getH, H2G, LDPC)

说明：  ：为了论证高斯最小频移键控(GMSK)信号在时域和频域的相互关系，分析了GMSK信 号调制原理和滤波器传递函数，建立了GMSK调制和解调模型。(: In order to demonstrate Gaussian Minimum Shift Keying (GMSK) signal in time domain and frequency domain, the relationship between the analysis of GMSK signal modulation principle and the filter transfer function established model for GMSK modulation and demodulation.)

该程序全面仿真了蜂窝小区，主要是信道分配、切换等(The program overall simulation of a honeycomb village, mainly is the channel allocation, switch, etc )

B-IFDMA pdf document

主要介绍空中接口物理链路层的无线技术，共分三个部分，首先对主要接口和协议作 简单介绍和描述；然后分别介绍信道与帧；无线信道编码与交织以及LAPDm。(Mainly introduces Wireless technology of air interface in the physical link layer which is divided into three parts. first: a brief introduction and description of the main interfaces and protocols then:Road and frame and last radio channel coding and interleaving and LAPDm .)