PN_synchronization_simlulink

说明：  采用64QAM调制方式的OFDM系统的误比特率的仿真计算(OFDM with 16QAM modulation system, the simulation of bit error rate)

信号处理中参数最大似然估计的仿真程序设计(Maximum likelihood parameter estimation simulation)

仿冒主用户检测的简答代码，供大家学习交流使用(The short answer to detect counterfeit primary user code , for we learn to use )

说明：  经典谱估计的所有算法，有注解，全面。直接法，间接法，BATLETT法，WELCH法等。(All the classic spectral estimation algorithm, annotated and comprehensive. Direct method, indirect method, BATLETT law, WELCH law.)

有关于三相光伏并网逆变系统的matlab仿真(On the three-phase photovoltaic inverter system simulation matlab)

采用四步相移方法求取相位主值，通过滤波对无效的像素点进行滤除。(With the four step phase shifting method to obtain the main phase, through the filter to filter out pixels invalid.)

this is a dtc control system and it with sensorless

判断系统上升时间，峰值时间，超调量和调整时间。《自动控制》清华出版社的课后编程题目。(Determine the system rise time, peak time, overshoot and time to adjust. )

介绍了matlab图形和声音的设计与实现 (Describes the matlab graphics and sound design and implementation)

根据人口趋势模拟未来航天系统需求增长趋势(Simulated future aerospace systems based on population trends in demand growth)