Revit二次开发，读取导出构件的几何信息为JSON文件。此方案不是采用IExportContext，而是直接遍历Element，读取Solid，遍历Face得到的几何信息。可操作性强，坑多，需要各位朋友自己研究突破了。
2021-07-21 15:07:20
10KB
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by Rodney Vaughan and Jorgen Bach Andersen ISBN:0852960840
Institution of Electrical Engineers © 2003 (753 pages)
This exceptional text introduces the reader to the theory and basis of antennas and propagation in the rapidly developing field of mobile communications. Topics covered include basic multipath mechanisms and propagation, propagation modeling, and more
2021-07-21 10:54:35
19.35MB
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by Rodney Vaughan and Jorgen Bach Andersen ISBN:0852960840
Institution of Electrical Engineers © 2003 (753 pages)
This exceptional text introduces the reader to the theory and basis of antennas and propagation in the rapidly developing field of mobile communications. Topics covered include basic multipath mechanisms and propagation, propagation modeling, and more.
2021-07-21 10:45:05
23.84MB
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a finite element model of a representative volume element (an FE-RVE) of a material’s microstructure can be developed to study material systems in a way that is not subject to the assumptions inherent in the analytical approaches used in mean-field homogenization.
2021-07-20 22:02:32
2.43MB
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极化码sc译码matlab代码
Polar-code-under-BEC-channel
#MATLAB
simulation
for
Polar
code
under
BEC
#参数设置：
#N：码长
#K：信息码码长
#Rate：码率
#A：信息码位置集合
#Ac：冻结比特位置集合
#u_a：冻结比特
#u：信源码
#G：生成矩阵
#x：编码码元
#y：接收码元
#decoded_output：接收码元译码结果
#decoded_output_message：信息码译码结果
#MATLAB文件说明：
#polar_simulation.m:将polar码系统仿真封装成函数，包括Polar码构造-编码-BEC信道-译码
#polar_codeconstruction.m:用于polar码构造
#Z_Bhattacharyya.m:计算巴氏参数
#polar_encode.m:polar码编码
#BEC.m:BEC信道
#init_LR.m:似然值初始化
#compute_lr.m:计算似然值
#decide.m:根据似然值做判决
#SC_decode.m:SC译码器
#polariz
2021-07-20 20:13:48
8KB
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基本实现CVRP问题的Interchange算法，不是最优解，但可以直观的展示Interchange的换路过程，和置换结果。
2021-07-20 15:18:10
127.06MB
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Hypersonic Planetary Entry Flight Mechanics，经典书籍
2021-07-20 11:41:01
10.01MB
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用lee算法滤除SAR图像的斑点噪声（相干斑的抑制）,本代码是从视觉系数和纹理保留度出发在几种常用的抑制算法中选择的lee算法，并且对lee算法进行了仿真。本文件自带数据集，可h直接运行
2021-07-20 11:17:35
1.69MB
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