Acquisition-of-the-speech-signal

Implementation of the centered difference method for numerical differentiation. Evaluation of the derivative of the following functions (numerically) f(x) = 0.3x^2 + x*exp(sin(2x)), for − 6 <= x <= 6(Implementation of the centered difference method for numerical differentiation. Evaluation of the derivative of the following functions (numerically) f(x) = 0.3x^2+ x*exp(sin(2x)), for − 6 <= x <= 6)

在小波域中，以图像作为水印信息，嵌入以声音为载体信号的源程序。(n wavelet domain to image as a watermark, embedded with sound as the carrier signal source program. )

灰色预测系统的Matlab的工具箱，可以快速使用简单的灰色预测，进行学习。比较适用于灰色算法的初学者。(Matlab toolbox gray prediction system, you can quickly use a simple gray forecast for learning. Gray algorithm more suitable for beginners.)

the m file generates the C/A codes for GNSS system

优化算法的20个基准函数benchmark，仅供参考，内含说明(20 benchmark functions benchmark optimization algorithm, for reference, containing instructions)

光伏的数学通用模型。 工程用途，我参考搭建的模型 可以使用。(Universal mathematical model of PV. Engineering purposes)

比较协作通信中AF、DF的性能，有误码率的比较，以及实验值与理论值的比较(Comparison of collaborative communication, the AF, the DF performance, comparison of the bit error rate, and the comparison of experimental and theoretical values)

超宽带通信压缩感知信道估计与信号检测方法(Ultra Wide-Band Channel Estimation and Signal Detection Through Compressed Sensing )

粒子群算法，包括主函数，目标函数，约束条件等。可用于多目标函数的处理。(Particle swarm optimization algorithm, including the main function, objective function, constraints and so on. Can be used to deal with multiple objective functions.)

a cours and tutorials of matlab combridge university