Abstract: The design of a circular Vivaldi antenna array for Ultra wideband near-field radar imaging is presented. We first show a 3D single Vivaldi antenna with a 12:1 bandwidth without the need for ...

Python Ring Door Bell is a library written for Python that exposes the Ring.com devices as Python objects. There is also a command line interface that is work in progress. Contributors welcome.

QuantStats Python library that performs portfolio profiling, allowing quants and portfolio managers to understand their performance better by providing them with in-depth analytics and risk metrics.

Abstract: In this paper, an efficient technique for computing the bulk parameters of infinite, normally-illuminated 3D arrays is developed. Initially, the dispersion equation of the array is derived ...