yangxin2

在实现QPSK的系统时，用到的位同步部分的程序(QPSK in the realization of the system, used part of the process-bit synchronous)

飞行稳定性与自动控制，尼尔森的书，中文版，希望对大家有所帮助(Flight stability and automatic control, Nelson' s book, the Chinese version, we hope to help)

此程序为瑞雷面波最小二乘反演程序，适合于初步接触瑞雷面波反演研究相关方面的人员。(This procedure for the Rayleigh wave least squares inversion procedure is suitable for the initial contact Rayleigh wave inversion research personnel.)

非线性规划的Matlab源码，包括很多测试函数。(Matlab source code for nonlinear programming, including many test functions.)

 利用fft()进行快速傅立叶变换，得到频谱，画出正弦函数及其频谱  找出频谱中使得Y轴取最大值时的估计频率记为ft  加入白噪声，绘出信噪比和均方误差的关系曲线 ( using fft () for fast Fourier transformation, spectrum, to draw the sine function and its spectrum  find the spectrum makes the Y-axis maximum value when the estimated frequency is denoted by ft  adding white noise, SNR plot and mean square error curve)

利用重叠相加法实现线性卷积，其中应用了fft和ifft原理(Use of overlap-add method to achieve linear convolution)

时间序列分析，采用了最小二乘（LS）与自回归(AR)的组合模型，并用MATLAB将其实现(Time series analysis, using a least-squares (LS) and autoregressive (AR) model combination and its implementation using MATLAB)

运用eemd和二代小波相结合的方法，来识别肌电信号，从而快速准确的识别了手臂各个动作。(Use eemd and second generation wavelet combined method to identify the EMG signal, which quickly and accurately identify the various movements of the arm.)

采用wiener_HOLF方法实现的维纳滤波的过程，对加噪图形采用维纳滤波(wiener_holf method)

Siggraph上的MIT的CSAIL的运动放大器,可以通过视频读取脉搏(The MIT CSAIL of Siggraph on sports amplifier can be read via video pulse)