cengcifenxi

此例程为配套书籍的第六章例题7-19的相对应代码，功能为QPSK调制与解调，编程环境为matlab。(This routine supporting books Chapter Example 7-19 corresponding to the code for the function QPSK modulation and demodulation, programming environment Matlab.)

欧式股票期权的显式差分定价法,通过输入股票期权的波动率、贴现率、标的资产的定价等相关数据，计算出股票期权的理论价格(the explicit differential pricing method in European stock options )

二维相空间中肌电信息熵的计算，关于生理信号信息熵的计算(Calculate the two-dimensional phase space EMG entropy calculated on physiological signals entropy)

说明：  butterfly calculation is realized over matlab

matlab学习入门书籍，快速提高matlab水平，有助于学者参考(matlab Learning introductory books)

Affine Scale Invariant Feature transform..

说明：  在MATLAB环境中，利用简单的加法和乘法实现基2时间抽取的FFT变换，并且能够计算出峰值点的最大值,数据点数为2的整数次幂。学习程序有利于对FFT变换的理解，以及在单片机环境或者是DSP环境中编写FFT变换C语言程序。(In the MATLAB environment, using simple addition and multiplication of time taken to achieve the base 2 FFT transform, and can calculate the maximum peak point. Learning process is conducive to the understanding of the FFT transform, and the DSP in the microcontroller environment, the environment or the preparation of FFT, C language program.)

Particle swarm optimization code

Variable step size Afine Projection, adaptive filter algorithm

说明：  处理数据中有很好的应用，里面有验证函数，可以进行验证。(Processing data has a good application, there are validation functions, can be validated.)