LipingJi1SA

有限差分正演模拟，计算多层介质地震响应，空间四阶，时间二阶(finite difference modeling)

设计一个8阶以内的带通滤波器，通带截止频率fc1=30070HZ，fc2=32170HZ，通带内允许最大衰减0.2dB。设计满足要求的Butterworth滤波器和chebyshev滤波器。以RC运放为基本单元以最易实现的原则完成电路设计及参数选择，并根据设计参数进行幅频特性和相频特性的仿真，给出仿真曲线。分析电路的无源灵敏度。(Design within an 8-order band-pass filter, the passband cutoff frequencies FC1 = 30070HZ, FC2 = 32170HZ allow maximum attenuation 0.2dB within the passband. Designed to meet the requirements of the Butterworth filter and chebyshev filter. RC op amp is the basic unit is the most easy to implement the principle of complete circuit design and parameter selection, and in accordance with the design parameters of the amplitude-frequency characteristics and phase-frequency characteristics of the simulation, simulation curve. Passive sensitivity of the analysis circuit.)

同步复制，模仿系统的同步复制，与异步复制进行对比比较速度差距(this is a copy code)

基于Matlab软件来模拟光子晶体的文章(Based on Matlab software to simulate photonic crystal article)

用于电力系统的潮流计算和无功优化程序，考虑风光接入配电网潮流计算。(Flow calculation for power system and reactive power optimization program, taking scenery access to distribution power flow calculation.)

总体经验模态分解的程序,总体经验模态分解的程序(Overall empirical mode decomposition process, the overall empirical mode decomposition procedure)

基于3个节点的闭式网络的牛顿拉夫逊迭代法(Newton Ralph Xun Diedefa based on closed network of 3 nodes)

说明：  利用matlab实现对DFT离散傅里叶算法对数字信号的处理。(Using DFT and FFT to realize discrete processing of digital signal in Matlab environment)

YALMIP是一种定义和求解高级优化问题的模化语言，能够解决所有标准优化问题和高级主题，完全可以替代Matlab中的Optim和LMI工具箱(YALMIP is a high-level optimization problem definition and solving the modeling language, to solve the optimization problem for all standard and advanced topics, can replace Matlab and the LMI toolbox in the Optim)

用collocation方式对过河问题进行优化(collocation OPT)