fotf_g

说明：  DSP课程例程： ① 为频率特性加频域容差图； ② 在对数幅频特性上加要求的指标标识； ③ 量化子程序的调用。(DSP courses routines: ① to increase the frequency characteristics of frequency-domain tolerances map ② in logarithmic amplitude-frequency characteristics of the indicators require additional identification ③ quantify subroutine calls.)

VSB调制模型，提倡共享。谢谢大家支持。(VSB modulation model, promoting sharing. Thank you for support. Thank you, Thank you, thank)

一份经典的希尔伯特黄变换的参考资料，希望对大家有用(very usefull for your learning)

说明：  信号处理的AR过程和MA过程模拟。并且计算输入与输出的能量频谱(Signal processing, AR and MA process simulation. And calculate the energy spectrum of the input and output)

说明：  电磁信号在海底传输是的特征和光线曲线图分析，发生延时及损耗等特点都一一分析。(Electromagnetic signal is transmitted in the characteristics of the seabed and light curve analysis, the occurrence of features such as delay and loss analysis of all 11.)

说明：  我的matlab小作业，请各位同行多多指教(my Matlab small operations, please peer exhibitions)

histogram reperesentationnnn

计算冲击电压波下的Q-V图,雷电波或操作冲击波均可(simulation of q-v curv under thounder)

利用熵值法判断某个指标的离散程度的。在信息论中，熵是对不确定性的一种度量。信息量越大，不确定性就越小，熵也就越小;信息量越小，不确定性越大，熵也越大。根据熵的特性，我们可以通过计算熵值来判断一个事件的随机性及无序程度，也可以用熵值来判断某个指标的离散程度，指标的离散程度越大，该指标对综合评价的影响越大。 因此，可根据各项指标的变异程度，利用信息熵这个工具，计算出各个指标的权重，为多指标综合评价提供依据。(Using entropy method to judge the degree of dispersion of a certain index.)

matlab源码：K-means算法,粒子群算法PSO，模拟退火算法SA(The matlab source code: K- means algorithm, particle swarm optimization (PSO, simulated annealing algorithm SA)