gradsamp

Ordinary and Partial Differential Equation Routines in C, C++, Fortran, Java, Maple, and MATLAB

在matlab中，实现两幅图的联合相关变换，输出两幅图的联合相关谱。(In matlab, the implementation of two images related to transform United. Figure 2 Output of the joint transform spectrum.)

谱估计源程序：是谱估计中的经典算法基于线阵MUSIC等算法的源程序(spectrum estimation source : spectral estimation algorithm based on the classic line array MUSIC algorithm of the source)

卡尔曼滤波器的演示程序 可以运行的 仅仅是演示(Kalman filter demo program can run only a demo)

OFDM符号定时同步算法，几种经典算法的仿真和比较(OFDM symbol timing synchronization algorithm, simulation and comparison of several classical algorithm)

说明：  通过matlab五电平调制，实现更优选择的切换(Through five level modulation, better switching can be achieved)

PCA及其改进算法MPCA进行人脸识别MATLAB源程序(PCA&&MPCA face recognition MATLAB code)

this is a brain image

设计一个低通数字滤波器，满足如下设计指标： 通带截止频率：0.2pi，通带波动：1dB 阻带截止频率：0.3pi，阻带衰减：15dB 要求：分别采用巴特沃斯、切比雪夫Ⅰ型、切比雪夫Ⅱ型和椭圆滤波器原型进行设 计，比较各种设计的阶数、实际阻带衰减，分析实验结果 (Design a low pass digital filters that meet the following design specifications: passband cutoff frequency: 0.2pi, pass-band fluctuations: 1dB stopband cutoff frequency: 0.3pi, stop-band attenuation: 15dB requirements: respectively Butterworth, Chebyshev Ⅰ, Ⅱ and Chebyshev prototype elliptic filter design, comparing the order of the design, the actual stop-band attenuation, analysis of experimental results)

malab语言实现bspline曲线拟合，采用改改进的pso算法实现 ，经测试可直接使用。 (malab the language bspline curve fit, change improved pso algorithm has been tested and can be used directly.)