循环谱代码 应用于盲分离信号处理

实现局域网内的通讯。类似于QQ聊天室可以群聊(Communication within a LAN.)

研究生数字信号处理讲义，基于奥本海姆原著进行讲授的(Graduate Digital Signal Processing notes, based on the teaching of Oppenheim' s original)

介绍bch的基础知识，包括纠删码的编码和解码(Introduce the basic knowledge of bch, including the encoding and decoding of erasure codes)

c++ source fft ifft 2-d FFT ofdm

说明：  8. 单径瑞利信道中的四发四收V-BLAST： (1) 请设计一种具体的导引辅助的信道估计方法，用Simulink进行仿真，测量16QAM调制时的误码率性能。画出比特信噪比与信道估计均方误差的关系曲线，画出比特信噪比与误码率的关系曲线。 (2) 计算所设计方案的频谱效率是多少，单位为bit/Hz/s。(8. Four transmit four receive v-blast in single-path Rayleigh channel: (1) please design a specific navigation-assisted channel estimation method and conduct simulation with Simulink to measure the bit error rate performance of 16QAM modulation.The relation curve between the bit signal-noise ratio and the mean square error of channel estimation is drawn, and the relation curve between the bit signal-noise ratio and the bit error rate is drawn. (2) calculate the spectral efficiency of the designed scheme in bit/Hz/s.)

说明：  基于matlab的脉冲编码仿真,pcm 模块仿真系统等(Pulse coding Simulation based on matlab, Simulation system of pcm Module and so on)

说明：  51单片机，通过人体红外热释电模块检测人数，并计数。(51 single chip computer, through the human body infrared pyroelectric module to detect the number of people, and count.)

几个关于MIMO雷达的仿真程序，对学习相关内容的人有些帮助。(Several of the simulation program about MIMO radar to the study of relevant content people some help.)

实现雷达的恒虚警检测，采用的是CA-CFAR，内有部分注释(The CFAR detection of radar is implemented by CA-CFAR.)

信息经格雷码映射，进行QPSK调制并通过AWGN信道发射，在接收端进行QPSK解调，并统计误符号率和误码率。(Information on the Gray code mapping, QPSK modulation and emission through the AWGN channel, QPSK demodulator at the receiving end, and the statistical symbol error rate and bit error rate.)