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针对目前应用比较广泛的基于准循环矩阵构造的QC-LDPC(准循环LDPC)码的各种构造方法,分析比较了随机构造LDPC和各种准循环LDPC编码方法的优缺点,通过理论分析和MATLAB中的性能仿真,提出的相应的优化方案(Broader view of the present application of quasi-circulant matrices based QC-LDPC (quasi-cyclic LDPC) codes for the various construction methods, structural analysis and comparison of the random LDPC and various quasi-cyclic LDPC coding advantages and disadvantages, through theoretical analysis and MATLAB The performance simulation, optimization scheme proposed by the corresponding)

genetic_algorithm optimized matlab program_draw

本代码是赵书兰老师的《MATLAB编程与最优化设计应用》这本书的程序源代码(This code is Zhao Shulan teacher "MATLAB programming and optimization design applications," this book source code)

说明：  该函数用于用于拉格朗日插值的展开及其误差估计(matlab function for lagrane)

包括分层空时编码，网格空时编码，以及分组空时编码，很全面的matlab仿真程序，gui界面(Including the layered space-time coding, space-time coding grid and the split space-time coding, it is comprehensive matlab simulation program, gui interface)

FDTD thuậ t toan de giai phuong trinh vi phan dao ham rieng bang phuong phap

sine pwm modulation for capacitor clamped two level VSI

说明：  基本的粒子滤波算法，所用数值模型为带控制量的非线性模型，可修改噪声类型，并可和EKF相比较(Basic particle filter algorithm for the numerical model used to control the volume with the non-linear model, can modify the type of noise can be compared and the EKF)

系统辨识与自适应控制 MATLAB仿真(System Identification and Adaptive Control of MATLAB simulation)

2PSK信号的仿真，解调，仿真结果误码率计算(2PSK signal simulation, demodulation, bit error rate simulation results)