PFAImaging

用一阶梯度法，共轭梯度法和变尺度法求解多变量的寻优问题，其中单变量的寻优用的是0。618法(One method used ladder, conjugate gradient method and the variable metric method for solving multi-variable optimization problems, single-variable optimization using the 0.618 Act)

PSD of a sinusoidal signal

matlab课程设计大作业，内含十道题，是对matlab应用的一个综合(matlab)

Orbit of a nonlinear system (including Hopf Bifurcation), γ= -1,..,1, μ= -0.5,..,3

卡尔曼滤波器示例程序，可以自动作出图像。(Kalman Fliter)

power density estimation

用窗函数法设计FIR带通滤波器。指标：低端通带截止频率wlp=0.35π 低端阻带截止频率wls=0.2π。高端通带截止频率whp=0.65π 高端阻带截止频率whs=0.8π。 (Design of FIR with window function bandpass filter target: low-pass with cutoff frequency wlp = 0.35π low stopband cutoff frequency wls = 0.2π passband cutoff frequency of high-end whp = 0.65π high stopband cut-off frequency whs = 0.8π)

样本熵Code for computing approximate entropy for a time series(Sample Entropy )

matlab 和java的Runner程序(The Runner matlab and java program)

matlab中gui实现检测任意四点构成的四边形是否为凸四边形(matlab the gui achieve detection any four points of a quadrilateral is convex quadrilateral)