DE

在matlab环境下，导入DEM，计算地形坡度(calculate the slope)

system identification base least square error on step peridiction

认知无线电系统中，主用户和认知用户仿真代码，可以根据需要加入多个主用户和认知用户等。matlab的实现(Cognitive radio system, the primary users and cognitive user simulation code, as needed into a number of primary users and cognitive users. matlab implementation)

数字滤波器的各种结构的C程序实现，包含格型滤波器。本文没有讨论复杂的数学方法及公式。相信对正在为滤波器结构实现烦恼的人有所帮助。(Various structures of digital filter C program, including lattice filter. This article does not discuss the complex mathematical methods and formulas. I believe the troubles are achieving for the filter structure of human help.)

Important PPT in compressed form and useful for researcher

对激光通过大气传输的主要非线性过程进行数值模拟, 列出大气的流体动力学方程组和与 大气相互作用的波方程，推导出受激热瑞利散射引起的小扰动不稳定性的波与大气的耦合方程, 还对湍流作了处理。(Of laser transmission through the atmosphere, the main non-linear process to simulate the fluid dynamics are listed in the atmosphere and atmospheric interaction equations and the wave equation is derived by stimulated thermal Rayleigh scattering instability caused by the wave perturbation coupled equations with the atmosphere, but also made a deal with turbulence.)

The Open Porous Medium (OPM) consortium provides industry-compatible open-source finite-element flow simulation code with robust

电子工业出版社翻译Sangjit K.Mitra的数字信号处理课本源程序(Electronic Industry Press Translation Sangjit K. Mitra Digital Signal Processing source textbooks)

DFT and its circular nature

说明：  电力系统三机系统仿真 已经调试成功可直接使用(Three-machine system simulation power system has been successfully commissioning can be used directly)