PCA_Nicolas

makes cos functions. and tan fucnction, sin function

QPSK误码率仿真程序，给出了比较可行，准确的方法(QPSK BER simulation program are given more feasible and accurate method)

Detailed Digital Signal Processing using Matlab, from theory to pratical.

说明：  用Matlab绘制TEQC结果图形的程序(The results using Matlab graphics rendering procedures TEQC)

说明：  《MATLAB时频分析技术》例题matlab编程实现第十四章其他例子(err)

Kalman filter extended for gps ins applications

云模型（Cloud model）是我国学者李德毅教授提出的定性和定量转换模型。利用matlab实现正态云模型发生器，适合初学者。(Cloud model (Cloud model) is put forward by the Chinese scholars, professor de-yi li qualitative and quantitative transformation model. Using matlab to realize the normal cloud model generator, suitable for beginners.)

阵列天线综合方法研究(Array antenna integrated approach to research)

说明：  本程序是Haar小波的源代码，非常使用。(This program is the source code for Haar wavelet, is used.)

设计一个切比雪夫滤波器，要求通带截止频率 ，通带最大衰减 ，阻带截止频率 ，阻带最小衰减 。要求绘出滤波器的幅频特性曲线。(Design a Chebyshev filter, the passband cutoff frequency required, the maximum passband attenuation, stopband cutoff frequency, stopband minimum attenuation. Requirements of the filter amplitude-frequency characteristic plotted curve.)