ThinkPHP_3.2.1_20140214

说明：  用MATLAB产生线性跳频信号，中心频率和带宽可调(Using MATLAB to generate linear frequency hopping signal with adjustable center frequency and bandwidth)

说明：  单模光纤中相干接收QPSK信号应用了CMA算法的简单DSP示例，自带vpa仿真数据。(A simple DSP example of CMA algorithm is used to receive QPSK signals coherently in single-mode optical fibers, with VPA simulation data.)

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.)

simulink搭建的卫星姿态动力学仿真，参考书籍是章仁为的卫星鬼道姿态动力学仿真，想学对卫星姿态有兴趣的同学强烈推荐，(simulink to build the satellite attitude dynamics simulation, reference books is Zhang Ren ghosts satellite attitude dynamics simulation, I wanted to learn for students interested in satellite attitude is strongly recommended,)

说明：  本程序研究IQ误差对线性调频信号匹配滤波的影响，仿真匹配滤波后信号幅相误差特性，仿真主瓣宽度、旁瓣电平的变化(This program studies the influence of IQ error on matched filtering of chirp signal, simulates the characteristics of signal amplitude and phase error after matched filtering, and simulates the change of main lobe width and side lobe level)

对NOMA下行链路的用户和信道功率分配的优化(Energy-Efficient Resource Allocation for Downlink Non-Orthogonal Multiple Access (NOMA) Network)

仿真了不同距离下的多径信道衰落模型，包含大尺度衰落和小尺度衰落。(The multipath channel fading model at different distances is simulated, including large scale fading and small scale fading.)

说明：  Zero forcing - with interference cancellation

使用ICI自我相消的2種方法:分別是標準OFDM通訊系統下沒有使用ICI下，和使用ICI調變在OFDM通訊系統下 及指使用ICI解調變的ICI係數大小比較(The use of ICI self-phase elimination of two kinds of methods: namely the standard OFDM communication system is not used under the ICI, the modulation and the use of ICI in the OFDM communication system, and refers to the use of ICI under the demodulation of the ICI coefficient of more)

仿真源码包括了多层异构蜂窝网络中基于齐次泊松点过程（HPPP）的建模方法，一篇介绍该模型的12年发表在IEEE trans的论文。以及传统六边形建模方法和信道增益矩阵的计算。(Simulation source code, including the multi-heterogeneous cellular networks based on homogeneous Poisson point process (HPPP) modeling method, a description of the model' s 12-year papers published in IEEE trans. And traditional modeling methods and hexagonal channel gain matrix calculation.)