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PA_model
这是一个关于预失真模型的matlab程序，同时里面结合了延时估计算法。(this is a matlab program about the model of digital predistorter,and uesed with the delay estimation algorithm.)
- 2012-06-01 11:48:36下载
- 积分：1
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impedence-of-short-and-open-line
根据传输线理论，计算无耗传输线的输入输出阻抗，画图表示电压电流和阻抗随线路长的变化(Based on transmission line theory to calculate the input and output impedance of the lossless transmission line, drawing, said the change of voltage, current and impedance with the line length)
- 2012-05-30 14:03:31下载
- 积分：1
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VLM
涡格法进行无人机的设计，升力系数，阻力系数，力矩系数等等，美过圣母大学的设计辅助软件(VLM)
- 2010-11-26 21:10:51下载
- 积分：1
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python神经网络求解农产品需求预测
使用BP神经网络预测农产品的需求，论文在知网上应该就一篇。(Using neural network to predict the demand of agricultural products)
- 2017-12-24 01:50:39下载
- 积分：1
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QR分解
该程序是利用GIvens变换进行矩阵的QR分解(The program uses GIvens transform to solve QR matrix.)
- 2021-03-08 10:59:28下载
- 积分：1
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J2000toWGS84
J2000坐标系与WGS84坐标系之间的转换矩阵计算。(The matrix between J2000 and WGS84 coordinat system)
- 2021-05-16 18:30:07下载
- 积分：1
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FEMprogram
四面体网格划分的有限元计算源代码，在将变形体划分为四面体后，输入节点坐标，程序利用弹塑性本构，将载荷和位移关系转变为线性方程组，是一个很好的求解简单三维变形体的程序，还可输出单元变形量，应力等。(Tetrahedral mesh of the finite element method source code, in the deformed tetrahedron is divided into, the input node coordinates, the program using elastic-plastic constitutive, will be the relationship between load and displacement into linear equations, is a very good Solving a simple three-dimensional deformation body procedures, but also the output unit deformation, stress and so on.)
- 2020-12-16 11:59:12下载
- 积分：1
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beihanguniversityhomework2
北京航空航天大学数值分析大作业第二题，有难度，这可是历年北航研究生转载最多的代码了(Beijing University of Aeronautics and Astronautics numerical analysis of large operating the second question, there is difficulty, this is the most over the years Beihang University Graduate reproduced the code)
- 2010-06-18 19:21:45下载
- 积分：1
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CFD
这是一个求解NACA0012翼型在不同马赫数与攻角下的流场的Fortran源代码。计算格式采用了原始AUSM、AUSMDV以及AUSM+格式。为了提高计算精度，使用了不同限制器的MUSCL插值。(This is a Fortran source code for solving the flow field around the NACA0012 airfoil at different Mach numbers and angles of attack. The scheme of AUSM, AUSMDV and AUSM+ are employed for this code. In order to improve the calculation accuracy, the MUSCL interpolation with various type limiter are used.)
- 2014-04-09 13:39:33下载
- 积分：1
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最优化作业C++源代码
用C++编的一些最优化作业中的程序,有Newton法,DFP法,共轭梯度法,单纯形法,内点法,外点法,内外点法,都能使用,我已经全部调试过了(C compile some of the most optimized operating procedures, Newton, DFP, conjugate gradient method, the simplex method, interior point method, the points outside the law, outside point method can use, I have all over Debugging)
- 2021-03-29 10:49:11下载
- 积分：1
