ganzhiji

工程振动中的数值方法 西北工业大学 课件(Numerical methods in engineering vibration Northwestern Polytechnical University Courseware)

数学建模案例MATLAB实用程序百例 涵盖基本的matlab程序，对初学者很有帮助(Mathematical modeling case cases of MATLAB utility covers basic matlab program, very helpful for beginners)

说明：  粒子群算法源代码 介绍各种粒子群算法 一共13种(pso code introduce all kind of pso method total of 13)

提出了一种离散小波变换域实现图像水印的方法。这种算法充分利用小波变换的特点,把原始图像及水印图像塔式分解,在多分辨率分解后的相同的频段来嵌入水印信息。该方法也利用了人眼视觉特性,算法简单而有效。实验证明,该算法较好地解决了水印不可见性与鲁棒性之间的矛盾,对常见的水印攻击都有较强的鲁棒性。(presents a discrete wavelet transform domain image watermarking method. This algorithm using wavelet transform characteristics, the original image and the watermark image tower decomposition, Multiresolution decomposition in the same frequency band to the embedded watermark. The method has also been used HVS, the algorithm is simple and effective. Experiments show that the algorithm can solve the watermark is visible with the robust nature of, common to have more attacks watermark robustness.)

Demo for the Fractional-Order Chaotic Systems (FOChS) - functions

matlab的经典案例，小程序，适用于初学matlab的同学(matlab classic cases for student who are learning matlab)

getting localization error by matlab

空间谱估计均匀线阵music算法matlab程序(ULA program music algorithm matlab)

单极性SPWM控制和逆变器主电路的仿真模型 就基波性能来讲，单极性SPWM在线性调制下谐波性能优于双极性调制(Single polarity SPWM control and inverter main circuit simulation model In terms of its fundamental properties, single polarity SPWM modulation in the linear harmonic performance is superior to the dual polarity modulation )

AIC定阶准则，借助信息论而提出的一个完全客观的定阶准则，建模时无需任何主观判断(Order determination criterion AIC)