A list of the best free CAD software was just asking to be compiled seeing that so many novice designers are always on the lookout for such tools. There is no doubt that a computer-aided design tool ...

Abstract: Free space optical (FSO) communication, known for its high data rates and immunity to electromagnetic interference, encounters challenges such as weather dependency, misalignment issues, and ...

Abstract: In the aftermath of a large-scale emergency, Unmanned Aerial Vehicles (UAVs) can play a key role as mobile communication systems supporting rescue operations on the ground. At the same time, ...

MADCAD is born from the idea that the current approach of parametric CADs for mechanical engineering is not the best possible. This library is part of a project targeting the best possible mechanical ...

EMBED <iframe src="https://archive.org/embed/autocad_release12c2" width="560" height="384" frameborder="0" webkitallowfullscreen="true" mozallowfullscreen="true ...

In the example above, the cylinder's center point is attached to the sphere, pointing "up" from the perspective of the sphere's surface. For a sphere, a surface normal is defined everywhere that ...

在无线通信网络的设计、规划与优化过程中，高精度的仿真软件已成为不可或缺的工具。针对不同应用场景与用户需求，市场上出现了多种仿真解决方案，其中商业软件因其完整的工具链、持续的技术支持与深厚的行业积累，受到众多企业与研究机构的青睐。