MATLAB

介绍了各种最小二乘法并进行汇总，包括算例及MATLAB程序(Introduced a variety of least squares and aggregated, including examples and MATLAB programs)

用于斜视聚束式SAR成像的非线性频率变标算法，有完整数学模型。(Nonlinear Frequency Scaling Algorithm for High Squint Spotlight SAR Data Processing)

例3：分析占空比为ta的矩形脉冲频谱 T=1 时间窗大小 ta=0.5 占空比 N=256 t=linspace(-T,T,N) ts=2*T/N fs=1/ts (x=zeros(1,N) x(N/2-round(N/2*ta):N/2+round(N/2*ta))=ones(1,2*round(N/2*ta)+1) y=fft(x,N) figure plot(t,x) title([ 时域信号图 占空比为 ,num2str(ta)]) axis([-T T-0.2 1.2]) xlabel( t /s ) figure subplot(211) f=linspace(-fs/2,fs/2,N) plot(f,abs(fftshift(y))/N) title([ 矩形脉冲双边谱 脉冲时间t=[- ,num2str(ta*T), , ,num2str(ta*T), ] ]) xlabel( f /Hz ) )

hessian point detector 是SURF算法中所采用的基于Hessian矩阵进行的特征点检测方法，检测得到椭圆区域。(feature detector)

变压变频器的matlab仿真，包括电源的主电路，利用 Simulink 里面自带的算法工具实现的控制ＳＰＷＭ波形(Variable voltage variable frequency matlab simulation, including the main circuit of the power supply, the use of Simulink which comes algorithm tool to achieve control SPWM waveform)

旋转Y切-弹性压电薄膜，谐振器的特性计算及分析，用MATLAB编程计算。(Rotated Y-cut- elastic piezoelectric thin film resonator characteristic calculation and analysis, calculated using MATLAB programming.)

说明：  可以识别电子文档,图片和手写的英文字母,用MatLAB打开即可(It can recognize electronic documents, pictures and handwritten English letters. It can be opened with MatLAB.)

对两组离散数据进行分段线性拟合,并显示拟合结果(piecewise linear fitting of two sets of discrete data)

All codes in Matlab.

应用于复杂网络分析时采用matlab代码的节点介数(Node betweenness complex network analysis)