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NPP模块V1.0
在envi下计算CASA模型
作为ENVI的插件实现NPP(植被净初级生产力)的计算(Implementation of NPP as a plug-in for ENVI)
- 2020-12-25 22:09:04下载
- 积分:1
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xuanbiliang
说明: 以悬臂梁为例,用有限元法编程生成质量矩阵和刚度矩阵(采用平面梁单元,单元数在10到30之间)。
使用matlab的用于广义特征值问题分析的函数(eig(A,B,'chol'),该命令使用乔莱斯基分解的方法,计算对称矩阵A和对称正定矩阵B的广义特征值问题。A对应刚度矩阵,B对应质量矩阵)计算梁的前三阶固有频率和振型,计算得到梁的前三阶固有频率和振型,并画出振型图。(Taking cantilever beam as an example, the mass matrix and stiffness matrix are programmed by finite element method (using planar beam elements, with units ranging from 10 to 30). Using Matlab's function (eig (A, B,'chol') for the generalized eigenvalue problem analysis, the command uses the Jo Lessky decomposition method to calculate the generalized eigenvalue problem of the symmetric matrix A and the symmetric positive definite matrix B. A corresponds to the stiffness matrix and B corresponding to the mass matrix. The first three natural frequencies and modes of the beam are calculated, and the first three natural frequencies and modes of the beams are calculated, and the vibration pattern is drawn.)
- 2018-05-30 20:08:33下载
- 积分:1
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数字控制移相全桥软开关变换器_洪峰
说明: 数字控制移相全桥软开关变换器_洪峰,指导教程好的很好用完全可以(Digital control phase-shift full bridge soft switching converter, flood peak, good tutorial, very good use, absolutely OK)
- 2019-10-26 22:43:05下载
- 积分:1
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基于滑模法的混沌控制
说明: 基于滑模方法,设计了滑模面与控制器,让混沌系统状态响应趋于了零。(Based on the sliding mode method, a sliding mode surface and a controller are designed to make the state response of the chaotic system approach zero)
- 2020-12-05 13:59:23下载
- 积分:1
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VB60Sample
说明: USBReadAllEnrollDataFromFile_Color
USBWriteAllEnrollDataToFile_Color
USBGetOneEnrollData_Color, USBSetOneEnrollData_Color
FKAttend_Manual
- 2019-04-05 10:47:16下载
- 积分:1
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立体方块风格的Flash进度加载动画
Flash片头加载动画,立体方块风格的Flash进度加载动画,含源文件,可为你学习Flash As脚本编程提供一个简单的参考范例,同时本Loading你也可直接用在你的Flash创作中,基于Flash8的源文件。
- 2022-03-23 06:25:32下载
- 积分:1
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g6-editor-demo-master
说明: 使用g6实现流程图,一个简单的流程图开发插件(Use g6 to implement flowchart, a simple flowchart development plug-in)
- 2020-06-18 19:20:02下载
- 积分:1
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Other people without accounts can download this free source
其他人不需帐号就可自由下载此源码 -Other people without accounts can download this free source
- 2022-03-22 12:45:54下载
- 积分:1
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plotmode
说明: 转子动力学进行横向振动绘图分析的程序语句(Rotor dynamics for lateral vibration mapping analysis of the program statement)
- 2019-05-07 19:33:44下载
- 积分:1
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屏ST7789
说明: ST7789屏幕240X320的规格书,支持多种spi接口(ST7789 LCD spec 240X320,support spi 80)
- 2020-06-21 22:20:02下载
- 积分:1