MOTO(P140-P275)

基于MATLAB的语音信号处理，实现对语音信号的时频分析，加噪滤波处理等等(Speech signal processing)

Instruction format. See the instruction format spec for details.

1)football.m简单地以阵列形式显示一副图； 2）pre.m是心音信号过滤归一化预处理的过程； 3）wavlet.m是用db6小波进行信号的分解和重构，且求包络能量函数； 4）path.m是利用KKT条件的路径跟踪法，用于求解二次规划问题； 5）LRmmse是MIMO通信中常用检测方法，结合了最小均方误差准则和格基规约的知识。(1) football.m simply displays a graph in an array 2) pre.m is the process of normalized preprocessing of heart sound signal filtering 3) wavlet.m is a db6 wavelet for signal decomposition and reconstruction, and to find the envelope energy function 4) path.m is the path tracking method using KKT condition, which is used to solve the quadratic programming problem. 5) LRmmse is a commonly used detection method in MIMO communication, combining the knowledge of minimum mean square error criterion and lattice protocol.)

随机快速算法与确定性快速算法的比较,可设置数组大，小包含有实验报告(Fast Algorithm for Stochastic Fast Algorithms and certainty, you can set an array of big and small contain Experimental Report)

The Burrows wheeler transform of matrix x, it will calculate the Burrows wheeler transform of the matrix a and will output the encoded signal with primary index value

任务具体的技术描述，如： 学号指纹生成器的核心是根据组员学号的输入，生成对应的操作符，对组长学号进行迭代操作。 4个七段码作为组员学号的输入显示，和每次运算结果的输出显示； 2个开关状态 sw[3:0]作为组员数据输入 4个按键分配 btn[1]作为读按钮，用于读入组员学号数据，btn[0]为操作控制按钮，按一下对应一次学号操作； (Description of specific technical tasks, such as: student number generator is the core of the fingerprint according to members of input student ID to generate the corresponding operator, student number on the head of the iterative operation. 4 seven-segment code number as the members learn the input display, and the output shows the results of each operation two switching state sw [3:0] as a data input four key members assigned btn [1] as read button student number for members to read the data, btn [0] for the operation control button, click the corresponding operation of a student number )

basic matlab codes 3

QPSK仿真，Eb/N0=0:10,得出BER与Eb/N0的关系曲线，AWGN信道(QPSK simulation, Eb/N0 = 0:10, draw BER versus Eb/N0 of the curve, AWGN channel)

DAB型全桥DC-DC变换器与3相PWM型变换器级联仿真，可用于充放电系统及新能源领域，实现能量的双向流动。(DAB full-bridge DC-DC converter with three-phase PWM converter cascade simulation model can be used to charge and discharge systems and new energy field, two-way flow of energy.)

图像阈值分割技术在图像分割中具有重要的意义。遗传算法既可以对全局信 息高效利用，也减少了存储空间和计算量。利用遗传算法的优点，提出了一 种用改进遗传算法的图像分割的方法，可以将父代中适应度大的个体代替当前代 中的个体，保证了可以选出最优的个体。遗传算法是具有鲁棒性和自适应性的搜 索方法.通过实验对比，表明该方法具有快速、稳定分割的特点。(Image threshold segmentation technology is of great significance in image segmentation. Genetic Algorithms can be used for global information Efficient utilization of information also reduces storage space and computation. Based on the advantages of genetic algorithm, a new genetic algorithm is proposed. A method of image segmentation based on improved genetic algorithm can replace the current generation with individuals with large adaptability in the parent generation. The individual in the system ensures that the best individual can be selected. Genetic Algorithms are Robust and Adaptive Search The experimental comparison shows that the method has the characteristics of fast and stable segmentation.)