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用matlab仿真的空时分组码在OFDM下的实现(Matlab simulation using space-time block codes in OFDM to achieve under the)

用于计算两幅图像之间结构相似性度量的MATLAB源码(An implementation of the algorithm for calculating the Structural SIMilarity (SSIM) index between two images)

matlab实例，有限元方程建立求解，内包括fem和具体实例(matlab example, finite element equation to solve, including specific examples and fem)

基于MATLAB的语音滤波器，通过MATLAB使原来的语音信号分别进行带通，高通，低通滤波，得到更好的效果(MATLAB-based voice filter through the MATLAB so that the original speech signal, respectively, for band-pass, high pass, low pass filter, to get better results)

UWB，超宽带信号分析必用的子函数，第8部分！(UWB, ultra-wideband signal analysis will be used for Functions, Part 8!)

建立了带硬时间窗车辆路线问题的数学模型，并应用matlab软件检验了其正确性。设计了用遗传算法求解该数学模型的算法思路，即采用自然数编码的方法使得交叉和变异操作得以更加简便的进行(based on GA solve the mutil-objects problem with the help of time window)

高等应用数学问题的matlab求解书后的答案，内容丰富翔实，有很好的参考价值(advanced applied mathematical problem solutions with matlab)

平均电流控制的APFC在matlab/simulink下的仿真，波形较好，存在过零点的略微畸变，有待改进。(Average current control of APFC in matlab/simulink under the simulation, the waveform is better, there is a slight zero-crossing distortion, could be improved.)

Precision analysis of GPS_BDS baseline solution

假设截获了一段短波数字通信的信号，要求解调出最终的信息，每组解调出来后，将10组信息组合起来，恢复最终的信源输出数据。 先验信息：两组数据文件，编号为1、2，每组I、Q两路存放，格式为“int16”，采样率为9600Sa/s，其中第一组为单径情况，第二组为多径情况。 参数符合MIL-STD-188-110A标准； 同步序列为syn=seq.dat，BPSK调制； 接收机频率稳定度高于1e-6。 文件中有效信息总长度为333.75s，其中同步头长为5/12s，每时隙1/6s，训练序列占10 ，在数据之前； 交织方式为全交织，矩阵交织，列为1000，在比特级进行； 纠错码码率为1/2； 调制方式为BPSK、QPSK和8PSK中的一种，映射方式为二进制，BPSK相位偏移为0，其余两种为 。 (Suppose intercepted signal for a period of short-wave digital communications requires final demodulated information after each demodulated, combining 10 group information, to restore the final output data source. Priori information: two sets of data file, numbered 1, 2, each I, Q two-way storage, the format is int16 , sampling rate 9600Sa/s, where the first group is a single path, the second group multipath situation. Parameters meet MIL-STD-188-110A standard Synchronization sequence syn = seq.dat, BPSK modulation The frequency stability of the receiver is higher than 1e-6. File payload total length of 333.75s, wherein the synchronization header length is 5/12s, each time slot 1/6s, accounting for 10 of the training sequence, before the data Interleaving for the whole interleaving matrix interleaving, as 1000, carried out at the bit level Error correction code rate of 1/2 The modulation scheme is BPSK, QPSK and 8PSK one, a binary mapping, the BPSK phase offset is 0, the )