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用MATLAB设计一个低通和带通滤波器,传统的数字滤波器的设计过程复杂，计算工作量大，滤波特性调整困难，影响了它的应用。本文介绍了一种利用MATLAB信号处理工具箱（Signal Processing Toolbox）快速有效的设计由软件组成的常规数字滤波器的设计方法。给出了使用MATLAB语言进行程序设计和利用信号处理工具箱的FDATool工具进行界面设计的详细步骤。(design a digital filter use matlab)

使用时移地震数据反演得到弹性参数相关变化量；(The correlation variation of elastic parameters is obtained by using time-lapse seismic data.)

说明：  在求解非线性方程中如何运用模拟退火优化算法进行分析(Solving nonlinear equations in the use of simulated annealing algorithm to analyze)

文中基于耦合模理论和简化的阶跃折射率单模光纤三层模型的包层模理论，提出了长周期光纤光栅的传输谱特性仿真的主要步骤及 matlab程序实现，为长周期光纤光栅的数值仿真提供了一种简便的方法(Text-based coupled mode theory and a simplified three-step-index single-mode fiber cladding mode theory model, proposed long-period fiber grating transmission spectrum characteristics of the main steps and matlab simulation program implementation, as the value of long-period fiber grating Simulation provides an easy way to)

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数字下变频DDC的matlab原码，采用cordic算法(DDC The DDC matlab source code, you can refer to see)

运动检测matlab程序和广义高斯分布的matlab程序(motion detection procedures and Matlab Generalized Gaussian distribution of Matlab procedures)

ILC 迭代学习控制的matlab程序，是学习迭代过程的好资料，这是第二部分，程序运行效果非常好。(Iterative Learning Control ILC matlab program, the iterative process of learning good information, this is the second part of the program runs very good.)

采用累计贡献率的方法，BP神经网络的整个训练过程,有信道编码，调制，信道估计等。( The method of cumulative contribution rate The entire training process BP neural network, Channel coding, modulation, channel estimation.)

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