fangdiu

多径条件下基于WSF的均匀圆阵幅相误差自校正(WSF-based multipath conditions of uniform circular array amplitude and phase error self-correction)

Matlab高斯信道条件下采用QPSK和8PSK时点到点通信系统的理论和统计所得的误码率和误比特率曲线。 删余卷积码的Pb性能仿真 加入信道编码模块，绘制误比特率曲线,其中信道为加性高斯白噪声，调试为QPSK； 进行软判决和应判决，和用3/4、7/8删余码进行编码等。(Matlab gaussian channel conditions using QPSK and eight PSK point to point communication system theory and statistical the error rate and bit error rate curve. Delete the convolution code more than Pb performance simulation Join channel coding module, draw bit error rate curve, which channel to additive gaussian white noise, commissioning for QPSK In the soft decision and judgment should be, and with more than 3/4, 7/8 delete code for coding, etc. )

64QAM解调文章，在符号同步方面，采用插 值滤波器的设计，在盲均衡方面，提出了改进算法--MMA+HCMA双模式算法，利用MMA算法对信号的实部和虚部都进行均衡的原理解决了CMA+HCMA算法盲相位的问题(64QAM demodulation article, the symbol synchronization, using the interpolation filter design, blind equalization, the proposed improved algorithm- MMA+ HCMA dual-mode algorithm, the use of MMA algorithm to signal the real and imaginary parts of the balanced CMA+ HCMA principle to solve the problem of algorithm-blind phase)

说明：  均匀线阵估计相干信源DOA,运用空间平滑，Toeplitz矩阵法、矢量重构等方法实现(Uniform linear array estimation of coherent source DOA)

MIMO未知输入观测器的matlab仿真 simulink方法实现(MIMO unknown input observer)

实现完整的4CPM(h=1/2)调制解调程序，包括消息序列生成，串并转换，升抽样成形滤波，数字上变频，多项式非线性效应，AWGN信道，到接收端数字下变频，降采样，匹配滤波，接收端基带信号星座图。(Message sequence generation, serial-parallel conversion, up sampling shaping filter, digital upconversion, polynomial nonlinear effects, AWGN channel, to the receiver digital down-conversion, down-sampling, the matched filter, the receiving end the baseband signal constellation.)

在多周期CPU的基础上设计一个前导0检测程序。(A preamble 0 detection program is designed on the basis of multi period CPU.)

Sellmeier index calculation

基于相关性分析的OFDM系统信干噪比盲估计，一种利用循环前缀进行信道计数估计，和信噪比盲估计的新方法(Correlation analysis based on OFDM system SINR blind estimation, a use of cyclic prefix for channel count estimates, and SNR estimation method of blind)

数据辅助定时同步算法T.Schmidl 和D.Cox,Park&Cheon和minn(Data-Assisted Timing Synchronization Algorithms T.Schmidl and D.Cox, Park&Cheon and Minn)