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Specific Attenuation in Clouds or Fogs Formula

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The Specific Attenuation due to Clouds for a given probability value, it is necessary to know the statistics of the total content of liquid water contained in a column. Check FAQs

A c = \frac{L \cdot b}{\sin (∠θ el)}

A_c - Specific Attenuation due to Clouds?L - Total Content of Liquid Water?b - Specific Attenuation Coefficient?∠θ_el - Angle of Elevation?

Specific Attenuation in Clouds or Fogs Example

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Here is how the Specific Attenuation in Clouds or Fogs equation looks like with Values.

Here is how the Specific Attenuation in Clouds or Fogs equation looks like with Units.

Here is how the Specific Attenuation in Clouds or Fogs equation looks like.

15.9251 = \frac{8 \cdot 1.332}{\sin (42)}

15.9251dB = \frac{8kg \cdot 1.332(dB/km)/(g/m³)}{\sin (42°)}

15.9251 = \frac{8 \cdot 1.332}{\sin (42)}

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Specific Attenuation in Clouds or Fogs Solution

Follow our step by step solution on how to calculate Specific Attenuation in Clouds or Fogs?

FIRST Step Consider the formula

A c = \frac{L \cdot b}{\sin (∠θ el)}

Next Step Substitute values of Variables

∴

A c = \frac{8kg \cdot 1.332(dB/km)/(g/m³)}{\sin (42°)}

Next Step Convert Units

∴

A c = \frac{8kg \cdot 1.332(dB/m)/(kg/m³)}{\sin (0.733rad)}

Next Step Prepare to Evaluate

∴

A c = \frac{8 \cdot 1.332}{\sin (0.733)}

Next Step Evaluate

∴

A c = 15.9251421153597dB

LAST Step Rounding Answer

∴

A c = 15.9251dB

Specific Attenuation in Clouds or Fogs Formula Elements

Variables

Functions

Specific Attenuation due to Clouds

The Specific Attenuation due to Clouds for a given probability value, it is necessary to know the statistics of the total content of liquid water contained in a column.

Symbol: A_c

Measurement: SoundUnit: dB

Note: Value should be greater than 0.

Formulas to find Specific Attenuation due to Clouds

Total Content of Liquid Water

Total Content of Liquid Water is the value of liquid water in the column or the total content of precipitable water for a given site.

Symbol: L

Measurement: WeightUnit: kg

Note: Value should be greater than 0.

Formulas to find Total Content of Liquid Water

Specific Attenuation Coefficient

Specific Attenuation Coefficient refers to the loss of signal power due to various atmospheric phenomena that affect the transmission of electromagnetic waves between a satellite and an Earth station.

Symbol: b

Measurement: Specific Attenuation CoefficientUnit: (dB/km)/(g/m³)

Note: Value should be greater than 0.

Formulas to find Specific Attenuation Coefficient

Angle of Elevation

The angle of elevation in satellite communication refers to the vertical angle between the horizontal plane and a line connecting an Earth-based satellite dish or antenna to a satellite in space.

Symbol: ∠θ_el

Measurement: AngleUnit: °

Note: Value should be less than 90.

Formulas to find Angle of Elevation

sin

Sine is a trigonometric function that describes the ratio of the length of the opposite side of a right triangle to the length of the hypotenuse.

Syntax: sin(Angle)

Other formulas in Radio Wave Propagation category

Go Effective Path Length

L eff = \frac{A}{α}

Go Earth Station Altitude

h o = h rain - L slant \cdot \sin (∠θ el)

Go Effective Path Length using Reduction Factor

L eff = L slant \cdot r p

Go Rain Height

h rain = L slant \cdot \sin (∠θ el) + h o

How to Evaluate Specific Attenuation in Clouds or Fogs?

Specific Attenuation in Clouds or Fogs evaluator uses Specific Attenuation due to Clouds = (Total Content of Liquid Water*Specific Attenuation Coefficient)/sin(Angle of Elevation) to evaluate the Specific Attenuation due to Clouds, The Specific Attenuation in Clouds or Fogs formula is defined as for a given probability value, it is necessary to know the statistics of the total content of liquid water L in contained in a column or equivalently, the total content of precipitable water for a given site. Specific Attenuation due to Clouds is denoted by A_c symbol.

How to evaluate Specific Attenuation in Clouds or Fogs using this online evaluator? To use this online evaluator for Specific Attenuation in Clouds or Fogs, enter Total Content of Liquid Water (L), Specific Attenuation Coefficient (b) & Angle of Elevation (∠θ_el) and hit the calculate button.

FAQs on Specific Attenuation in Clouds or Fogs

What is the formula to find Specific Attenuation in Clouds or Fogs?

The formula of Specific Attenuation in Clouds or Fogs is expressed as Specific Attenuation due to Clouds = (Total Content of Liquid Water*Specific Attenuation Coefficient)/sin(Angle of Elevation). Here is an example- 15.92514 = (8*1.332)/sin(0.733038285837481).

How to calculate Specific Attenuation in Clouds or Fogs?

With Total Content of Liquid Water (L), Specific Attenuation Coefficient (b) & Angle of Elevation (∠θ_el) we can find Specific Attenuation in Clouds or Fogs using the formula - Specific Attenuation due to Clouds = (Total Content of Liquid Water*Specific Attenuation Coefficient)/sin(Angle of Elevation). This formula also uses Sine function(s).

Can the Specific Attenuation in Clouds or Fogs be negative?

No, the Specific Attenuation in Clouds or Fogs, measured in Sound cannot be negative.

Which unit is used to measure Specific Attenuation in Clouds or Fogs?

Specific Attenuation in Clouds or Fogs is usually measured using the Decibel[dB] for Sound. Bel[dB], Neper[dB] are the few other units in which Specific Attenuation in Clouds or Fogs can be measured.

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Specific Attenuation in Clouds or Fogs Formula

Specific Attenuation in Clouds or Fogs Example

Specific Attenuation in Clouds or Fogs Solution

Specific Attenuation in Clouds or Fogs Formula Elements

Other formulas in Radio Wave Propagation category

How to Evaluate Specific Attenuation in Clouds or Fogs?

FAQs on Specific Attenuation in Clouds or Fogs

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