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Mesh Analysis

Mesh Analysis

Mesh analysis is a valuable method for simplifying circuit analysis using mesh currents as key circuit variables. Unlike nodal analysis, which focuses on determining unknown voltages, mesh analysis applies Kirchhoff's voltage law (KVL) to find unknown currents within a circuit. This method is particularly convenient in reducing the number of simultaneous equations that need to be solved.
A fundamental concept in mesh analysis is the definition of meshes and mesh currents. A mesh is a closed...

Mesh Analysis with Current Sources

Mesh Analysis with Current Sources

Mesh analysis becomes simpler when analyzing circuits with current sources, whether independent or dependent. The presence of current sources reduces the number of equations required for analysis. Two cases illustrate this:
Current Source in One Mesh: The analysis process is straightforward when a current source is found in only one mesh within the circuit. Mesh currents are assigned as usual, with the mesh containing the current source excluded from the analysis. Kirchhoff's voltage law...

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Related Experiment Video

Updated: Sep 6, 2025

Usability Evaluation of Augmented Reality: A Neuro-Information-Systems Study

Usability Evaluation of Augmented Reality: A Neuro-Information-Systems Study

Published on: November 30, 2022

Usability Evaluation of a Modern Multilingual MeSH Browser.

Philip Strecker^1,2,3, Martin Boeker¹, Simon Buechner³

¹Institute for AI and Informatics in Medicine, University Hospital rechts der Isar, Technical University Munich, Munich, Germany.

Studies in Health Technology and Informatics

|July 1, 2022

Summary

A new user interface for Medical Subject Headings (MeSH) improves usability and user satisfaction in medical research. This enhanced system simplifies access to PubMed/MEDLINE literature for professionals.

Keywords:

Medical Informatics Applications Medical Subject Headings User-Computer Interface

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Area of Science:

Medical Informatics
Information Science

Background:

Medical Subject Headings (MeSH) is a critical vocabulary for medical literature retrieval on PubMed/MEDLINE.
Existing MeSH Browser has limitations, prompting the development of a multilingual version and a new user interface (UI).

Purpose of the Study:

To evaluate the usability and user satisfaction of a newly developed UI for the MeSH Browser.
To compare the new UI against the original NLM MeSH Browser.

Main Methods:

A new UI was developed using modern web frameworks and cognitive science principles.
An established online questionnaire was used to compare the new UI with the NLM Browser.

Main Results:

The new UI demonstrated significant improvements in content accessibility and navigation.
Overall user satisfaction was significantly higher with the new UI compared to the NLM Browser.

Conclusions:

Contemporary web design principles enhance the usability and user satisfaction of medical information retrieval systems.
The developed UI offers a superior user experience for accessing medical research literature.