paper27

利用中心差分法计算无阻尼结构动力响应，并作图(Using central difference method to calculate the structural dynamic response)

microstrip filter 设计宝典 包括计算机辅助计算方法，可以在matlab上实现(a classic book for filter design, )

这是用matlab实现的多站定位系统性能仿真的源程序，希望对研究定位的人有所帮助！资源共享，也希望有关 于无源定位、多普勒信息提取方面代码的人共享一下，一起进步！(This is achieved using matlab multi-station positioning system performance simulation of the source, I hope the study will help position the person! The sharing of resources, but also on the passive positioning, Doppler information extraction area to share some code with the progress!)

tv算法能够实现图像修复的微小破损，比如裂痕等。(tv algorithm to achieve the minimal repair damaged images, such as cracks and so on.)

以中等纯度的精馏塔为研究对象，已知系统的传递函数，用matlab仿真，实现最小二乘法对系统进行参数辨识。(In the distillation column medium purity as the research object, the known transfer function of system, using MATLAB simulation, the realization of system parameter identification by the least square method.)

对拉曼光谱进行归一化，峰值提取以识别峰值特征，定性分析出混合物中的各个物质(Raman spectroscopy was normalized, peak values were extracted to identify peak characteristics, and each substance in the mixture was qualitatively analyzed.)

MATLAB scripts for loan and payment calculations.

d4 wavelet coefficient daubichies 1-ECG QRS detection

Euler 用前向差分的欧拉方法解微分方程 fun 表示f（t,x） t0,tt表示自变量的初值和终值 x0表示函数在x0处的值,其可以为向量形式 N表示自变量在[t0,tt]上取的点数(this thechafen jiefen ，zijilijie)

高阶拟合出光纤模式折射率和波长的关系并计算出较为准确的波导色散，同时计算出材料色散，并最终得到光纤的总色散。(The relationship between the refractive index and the wavelength of the fiber mode is fitted in higher order an the more accurate waveguide dispersion is calculated; the material dispersion is calculated at the same time, and the total dispersion of the fiber is obtained.)