The Java software Discourse Network Analyzer (DNA) is a qualitative content analysis tool with network export facilities. You import text files and annotate statements that persons or organizations ...

Abstract: Vector network analyzers (VNAs) have been around since the 1950s in various forms. Typically they were used to measure linear characteristics of devices, such as filters and amplifiers, ...

Abstract: In this paper, a historical overview of the evolution of the Vector Network Analyzer is presented, highlighting the most significant milestones. The instrument's improvements have been ...

Learn how to calculate the vector change in momentum of a bouncing ball in this physics tutorial! This video explains the concepts of momentum, direction, and collisions step by step, making it easy ...