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Microsoft PowerToys Microsoft PowerToys is a set of practical tools that help power users fine-tune and simplify their Windows experience so they can be more productive. One of the tools: PowerTo...

PML (Perfectly Matched Layers) The perfectly matched layer (PML) is a domain or layer (sometimes called sponge layer) that is added to an wave model to mimic an open and nonreflecting infinite doma...

Deploy MicroPython on ESP32C3 flash memory address: 0x0 download mode: boot+reset

Vacuum Slab When simulating surfaces or interfaces in computational chemistry, it’s common to use a vacuum slab to separate periodic images of the system. This approach helps to minimize interactio...

About FDTD 使用lumerical-fdtd进行photonic-crystal仿真 About Python API Use Python to analyze data, automate complex workflows\optimizations, and produce publication-quality plots. The Ansys Lumerical Py...

List of Greek letters and math symbols The following information is provided by Overleaf[1]. You can also download PDF version here[2]. Contents 1 Greek letters 2 Arrows 3 Miscellaneous symbols 4 ...

Problem 最近换了个拓展坞，满足了一直以来的笔记本一线通需求。故事比较长，这里简单说。我的祖传机革CODE10v2上笔记本上有个USB4全功能口，以前一直用的拓展坞不带HDMI，导致每次拿放电脑的时候要操作两根线。最近买了个联想的拓展坞，千兆网口+pd100W+HDMI完美符合我的需求。 刚买来就发现问题，插笔记本上没反应。于是乎我拿iPad试了下，完全正常，没问题。我琢磨也许是驱动问...

傅里叶谱：∣F(μ)∣=[R2(μ)+I2(μ)]1/2|F(\mu)|=[R^2(\mu)+I^2(\mu)]^{1/2}∣F(μ)∣=[R2(μ)+I2(μ)]1/2，就是傅里叶系数的模长（因为变换得到的是复数）。 相角：ϕ(μ)=arctan(I(μ)R(μ))\phi(\mu)=arctan(\frac{I(\mu)}{R(\mu)})ϕ(μ)=arctan(R(μ)I(μ)​)...

Contact resistance Introduction Electrical contact resistance (ECR, or simply contact resistance) is resistance to the flow of electric current caused by incomplete contact of the surfaces through...