I make short, to-the-point online math tutorials. I struggled with math growing up and have been able to use those ...

Learn how to convert between rectangular and polar equations. A rectangular equation is an equation having the variables x ...

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Abstract: This paper characterizes the frequency domain near-field coupling effects from complicated three-dimensional transmission lines, monopole/dipole radiators, and printed circuit boards (PCBs) ...

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James Chen, CMT is an expert trader, investment adviser, and global market strategist. David Kindness is a Certified Public Accountant (CPA) and an expert in the fields of financial accounting, ...

Abstract: A high-frequency field prediction model, useful to evaluate the radio wave propagation in realistic tunnels having rectangular cross-section, is presented. The model is based on a hybrid ...