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自适应外差滤波器matlab代码：采用调制技术，控制正余弦信号对准干扰的频率，将输入的干扰搬移到的低频进行滤波，滤波处理后的信号再经过一次调制搬移到原来的频率位置，这样我们就得到了合适的干扰复制信号，再将输入信号和干扰复制信号进行差分运算达到抑制干扰的目的(Adaptive heterodyne filter matlab code)

fft谐波检测，分析信号的频谱和幅值，相位(fft harmonic detection, analysis of the signal spectrum and amplitude, phase)

改进自相关法提取基音周期，去除声道的影响。(Improved auto-correlation method to extract the pitch period to remove the influence of channel.)

地球物理专业的地震波数值模拟程序，matlab编写，大家交流学习。。(Geophysics, seismic wave numerical simulation program, matlab prepared to share learning. .)

蒙特卡洛使用程序基本源代码，提供随机变量的多种分布类型，可以直接使用。(Monte Carlo procedures for the basic source code, to provide a wide range of random variable distribution type, can be used directly.)

fuzzy clustring alghorithm

8个单元的载波移相SPWM仿真程序。参数已经调好，用于理解载波移相的原理。(8 units of the carrier phase shifting SPWM simulation program. Parameters have been adjusted for the understanding of the principles of the carrier phase shift.)

Frequently used algorithms for numerical analysis and signal processing(Frequently used for numerical algorithms analysis and signal processing)

说明：  关于电力系统潮流计算，牛顿-拉夫逊法潮流计算程序(With regard to the trend of power system, the Newton- Raphson load flow calculation program)

chebyshev pade 逼近，采用了chebyshev多项式(chebyshev pade approximation, using the chebyshev polynomial)