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Radiation Intensity Formula

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Radiation Intensity refers to the power radiated per unit solid angle by an antenna in a specific direction. Check FAQs
U=Uo⋅Da
U - Radiation Intensity?Uo - Isotropic Radiation Intensity?Da - Directivity of Antenna?

Radiation Intensity Example

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With units
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Here is how the Radiation Intensity equation looks like with Values.

Here is how the Radiation Intensity equation looks like with Units.

Here is how the Radiation Intensity equation looks like.

0.0072Edit=0.09Edit⋅0.08Edit
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HomeIcon Home » Category Engineering » Category Electronics » Category Antenna and Wave Propogation » fx Radiation Intensity

Radiation Intensity Solution

Follow our step by step solution on how to calculate Radiation Intensity?

FIRST Step Consider the formula
U=Uo⋅Da
Next Step Substitute values of Variables
∴ U=0.09W/sr⋅0.08
Next Step Prepare to Evaluate
∴ U=0.09⋅0.08
LAST Step Evaluate
∴U=0.0072W/sr

Radiation Intensity Formula Elements

Variables
Radiation Intensity
Radiation Intensity refers to the power radiated per unit solid angle by an antenna in a specific direction.
Symbol: U
Measurement: Radiant IntensityUnit: W/sr
Note: Value can be positive or negative.
Formulas to find Radiation IntensityOpen Variable
Isotropic Radiation Intensity
Isotropic Radiation Intensity refers to the radiation intensity of an idealized isotropic radiator.
Symbol: Uo
Measurement: Radiant IntensityUnit: W/sr
Note: Value can be positive or negative.
Formulas to find Isotropic Radiation IntensityOpen Variable
Directivity of Antenna
Directivity of antenna measures the degree to which the radiation emitted is concentrated in a single direction.
Symbol: Da
Measurement: NAUnit: Unitless
Note: Value should be greater than 0.
Formulas to find Directivity of AntennaOpen Variable

Other formulas in Antenna Theory Parameters category

​Go Power Per Unit Bandwidth
Pu=k⋅TR
​Go Total Power of Antenna
Pa=k⋅Ta⋅Ba
​Go Effective Area of Antenna
Ae=k⋅ΔTS
​Go Noise Temperature of Antenna
Ta=Sk⋅Ba

How to Evaluate Radiation Intensity?

Radiation Intensity evaluator uses Radiation Intensity = Isotropic Radiation Intensity*Directivity of Antenna to evaluate the Radiation Intensity, Radiation Intensity formula refers to the power radiated per unit solid angle by an antenna in a specific direction. It quantifies the power density of the electromagnetic waves being radiated by the antenna in a particular direction and is measured in watts per steradian (W/sr). Radiation Intensity is denoted by U symbol.

How to evaluate Radiation Intensity using this online evaluator? To use this online evaluator for Radiation Intensity, enter Isotropic Radiation Intensity (Uo) & Directivity of Antenna (Da) and hit the calculate button.

FAQs on Radiation Intensity

What is the formula to find Radiation Intensity?
The formula of Radiation Intensity is expressed as Radiation Intensity = Isotropic Radiation Intensity*Directivity of Antenna. Here is an example- 0.2164 = 0.09*0.08.
How to calculate Radiation Intensity?
With Isotropic Radiation Intensity (Uo) & Directivity of Antenna (Da) we can find Radiation Intensity using the formula - Radiation Intensity = Isotropic Radiation Intensity*Directivity of Antenna.
Can the Radiation Intensity be negative?
Yes, the Radiation Intensity, measured in Radiant Intensity can be negative.
Which unit is used to measure Radiation Intensity?
Radiation Intensity is usually measured using the Watt per Steradian[W/sr] for Radiant Intensity. are the few other units in which Radiation Intensity can be measured.
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