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Directivity: Measurement & Standards

In electromagnetics, directivity is a parameter of an antenna or optical system which measures the degree to which the radiation emitted is concentrated in a single direction. It is the ratio of the radiation intensity in a given direction from the antenna to the radiation intensity averaged over all directions. Therefore, the directivity of a…

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Directivity topic overview

The analysis highlights Measurement and Standards as prominent areas in the source structure around Directivity.

Related topics
23
Source areas
6
Connected nodes
29
Extracted relationships
8
Related term clusters
19
Bridge connections
29

What this topic covers Research coverage

Source areas are shown by the number of related topics found in each part of the analysis. Use smaller areas too: they can reveal specialized angles and content gaps.

Overview · 10 topics
Definition · 5 topics
In antenna arrays · 3 topics
In other areas · 2 topics
Relation to beam width · 2 topics
Accounting for polarization · 1 topics

Smaller areas are not necessarily less important. They contain fewer connections in this analysis and can be useful for finding specialized angles or coverage gaps.

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Explore all related topics Closing gaps

Browse the complete topic structure, not only the most central items. Less prominent entities and concepts can reveal missing angles, specialized context and useful research gaps. Each item opens a new analysis centered on that subject.

Overview

Definition

In antenna arrays

Relation to beam width

Accounting for polarization

In other areas

For the semantics nerds

You can skip this section if you’re here for content ideas and keyword inspiration.

Advanced semantic analysis

How Directivity connects Entity context

The extracted context around Directivity shows recurring relationship patterns in the source. For example, Directivity → important measure because many antennas and optical systems are designed to radiate electromagnetic waves in a single direction or over a narrow-angle, measure of the difference in dB of the power output at a coupled port, parameter of an antenna or optical system which measures the degree to which the radiation emitted is concentrated in a single direction, radiation intensity of an antenna at a particular Another extracted example is Directivity → IEEE. Use these groups to spot repeated connection types before inspecting the individual relationships.

Directivity

Top relations

is a · 4
Directivity → important measure because many antennas and optical systems are designed to radiate electromagnetic waves in a single direction or over a narrow-angle, measure of the difference in dB of the power output at a coupled port, parameter of an antenna or optical system which measures the degree to which the radiation emitted is concentrated in a single direction, radiation intensity of an antenna at a particular
related to Definition · 1
Directivity → IEEE
related to In antenna arrays · 1
Directivity → SLA
related to Partial directivity · 1
Directivity → Partial
related to Relation to beam width · 1
Directivity → Omega

Important terminology

Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.

Important terminology

antenna displaystyle array gain lambda elements radiation power direction angle dbi spacing solid pi textstyle eta intensity directive theta total

Directivity relationships Subject–Predicate–Object triples

TTTA extracted 8 structured relationships around Directivity. Examples in this analysis include Directivity → is a → parameter of an antenna or optical system which measures the degree to which the radiation emitted is concentrated in a single direction and Directivity → is a → important measure because many antennas and optical systems are designed to radiate electromagnetic waves in a single direction or over a narrow-angle. The table shows each extracted connection, where it came from and its confidence.

SubjectPredicateObjectConfidenceSrc
Directivityis aparameter of an antenna or optical system which measures the degree to which the radiation emitted is concentrated in a single direction0.90text
Directivityis aimportant measure because many antennas and optical systems are designed to radiate electromagnetic waves in a single direction or over a narrow-angle0.90text
Directivityis aradiation intensity of an antenna at a particular0.90text
Directivityis ameasure of the difference in dB of the power output at a coupled port0.90text
Directivityrelated to DefinitionIEEE0.60section
Directivityrelated to In antenna arraysSLA0.60section
Directivityrelated to Partial directivityPartial0.60section
Directivityrelated to Relation to beam widthOmega0.60section

Related concept clusters Related term clusters

The concept neighborhoods around Directivity bring nearby vocabulary together. In this analysis, examples include Array, Isotropic and Elements. Use the clusters to find adjacent concepts and terminology that may deserve separate research.

  • Directivity
    • Array
    • Isotropic
    • Elements
    • Gain
    • Direction
    • Directive
    • Element
    • Frac
    • Textstyle
    • Power
    • Radiation
    • Lambda
  • directivity
    • Array
    • Isotropic
    • Elements
    • Gain
    • Direction
    • Directive
    • Element
    • Frac
    • Textstyle
    • Power
    • Radiation
    • Lambda
  • antenna
    • Directivity
    • Radiation
    • Directive
    • Intensity
    • Direction
    • Directions
    • Beam
    • Isotropic
    • Partial
    • Gain
    • Theta
    • Power
  • dish antenna
    • Directivity
    • Radiation
    • Directive
    • Intensity
    • Direction
    • Directions
    • Beam
    • Isotropic
    • Partial
    • Gain
    • Theta
    • Power
  • antenna array
    • Lambda
    • Spacing
    • Elements
    • Directivity
    • Un-tapered
    • Displaystyle
    • Element
    • Radiation
    • Eta
    • Textstyle
    • Directive
    • Intensity
  • standard linear array (sla)
    • Lambda
    • Un-tapered
    • Spacing
    • Elements
    • Textstyle
    • Displaystyle
    • Text
    • Element
    • Dy
    • Eta
    • Case
    • Frac
  • array gain
    • Directive
    • Lambda
    • Partial
    • Spacing
    • Elements
    • Un-tapered
    • Displaystyle
    • Element
    • Eta
    • Polarization
    • Textstyle
    • Case
  • in antenna arrays
    • Directivity
    • Radiation
    • Directive
    • Intensity
    • Direction
    • Directions
    • Beam
    • Isotropic
    • Partial
    • Gain
    • Theta
    • Power

Connections between topic areas Semantic bridges

For Directivity, one of the stronger structural bridges in this analysis connects Directivity with Overview. Bridges highlight paths between different parts of the map and can reveal research angles that are easy to miss in a flat list.

Min side: 3
Directivity — Overview · splits 19 ⟂ 11
Directivity — Definition · splits 24 ⟂ 6
Directivity — In antenna arrays · splits 26 ⟂ 4
Directivity — Relation to beam width · splits 27 ⟂ 3
Directivity — In other areas · splits 27 ⟂ 3

Map overview Semantic statistics

Directivity

Nodes30
Edges29
Triples8
Avg. degree1.93
Density0.066667
Components1

Source & methodology

TTTA analyzes the structure around Directivity to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as Measurement & Standards, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.

Source: Wikipedia — Directivity · EN edition · Analysis: TopicsToTalkAbout

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