Distribution of Rain Attenuation Calculator

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Radio Wave Propagation

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Satellite Orbital Characteristics

✖The Horizontal projection length is the projection of the length of the slant length.ⓘ Horizontal Projection Length [L_G]			+10% -10%
✖The Diameter of Rain Cell gives the value of its diameter.ⓘ Diameter of Rain Cell [D]			+10% -10%

✖The Distribution of rain attenuation is known as a function of rainfall rate, the specific attenuation can be estimated as a function of rainfall rate.ⓘ Distribution of Rain Attenuation [PR]

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Formula

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Distribution of Rain Attenuation

Formula

`"PR" = 1+((2*"L"_{"G"})/(pi*"D"))`

Example

`"34.39383dB"=1+((2*"10.49098km")/(pi*"0.2km"))`

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Distribution of Rain Attenuation Solution

STEP 0: Pre-Calculation Summary

Formula Used

Distribution of Rain Attenuation = 1+((2*Horizontal Projection Length)/(pi*Diameter of Rain Cell))
PR = 1+((2*L_G)/(pi*D))
This formula uses 1 Constants, 3 Variables

Constants Used

pi - Archimedes' constant Value Taken As 3.14159265358979323846264338327950288

Variables Used

Distribution of Rain Attenuation - (Measured in Decibel) - The Distribution of rain attenuation is known as a function of rainfall rate, the specific attenuation can be estimated as a function of rainfall rate.
Horizontal Projection Length - (Measured in Meter) - The Horizontal projection length is the projection of the length of the slant length.
Diameter of Rain Cell - (Measured in Meter) - The Diameter of Rain Cell gives the value of its diameter.

STEP 1: Convert Input(s) to Base Unit

Horizontal Projection Length: 10.49098 Kilometer --> 10490.98 Meter (Check conversion here)
Diameter of Rain Cell: 0.2 Kilometer --> 200 Meter (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

PR = 1+((2*L_G)/(pi*D)) --> 1+((2*10490.98)/(pi*200))

Evaluating ... ...

PR = 34.3938264975642

STEP 3: Convert Result to Output's Unit

34.3938264975642 Decibel --> No Conversion Required

FINAL ANSWER

34.3938264975642 ≈ 34.39383 Decibel <-- Distribution of Rain Attenuation

(Calculation completed in 00.004 seconds)

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Credits

Created by Passya Saikeshav Reddy

CVR COLLEGE OF ENGINEERING (CVR), India

Passya Saikeshav Reddy has created this Calculator and 10+ more calculators!

Verified by Parminder Singh

Chandigarh University (CU), Punjab

Parminder Singh has verified this Calculator and 600+ more calculators!

< 14 Radio Wave Propagation Calculators

Rain Attenuation in Decibels

Go Rain Attenuation = Specific Attenuation*Rain Rate^Specific Attenuation Coefficient*Slant Length*Reduction Factor

Specific Attenuation in Clouds or Fogs

Go Specific Attenuation due to Clouds = (Total Content of Liquid Water*Specific Attenuation Coefficient)/sin(Angle of Elevation)

Regression of Nodes

Go Regression Node = (Mean Motion*SCOM Constant)/(Semi Major Axis^2*(1-Eccentricity^2)^2)

Earth Station Altitude

Go Earth Station Altitude = Height of Rain-Slant Length*sin(Angle of Elevation)

Rain Height

Go Height of Rain = Slant Length*sin(Angle of Elevation)+Earth Station Altitude

Distribution of Rain Attenuation

Go Distribution of Rain Attenuation = 1+((2*Horizontal Projection Length)/(pi*Diameter of Rain Cell))

Horizontal Projection of Slant Length

Go Horizontal Projection Length = Slant Length*cos(Angle of Elevation)

Effective Path Length

Go Effective Path Length = Total Attenuation/Specific Attenuation

Specific Attenuation

Go Specific Attenuation = Total Attenuation/Effective Path Length

Total Attenuation

Go Total Attenuation = Effective Path Length*Specific Attenuation

Effective Path Length using Reduction Factor

Go Effective Path Length = Slant Length*Reduction Factor

Reduction Factor using Slant Length

Go Reduction Factor = Effective Path Length/Slant Length

Slant Length

Go Slant Length = Effective Path Length/Reduction Factor

Plasma Frequency Terms of Electronic Density

Go Plasma Frequency = 9*sqrt(Electron Density)

Distribution of Rain Attenuation Formula

Distribution of Rain Attenuation = 1+((2*Horizontal Projection Length)/(pi*Diameter of Rain Cell))
PR = 1+((2*L_G)/(pi*D))

What is the effect of rain attenuation?

With increase in rain rate, attenuation in radio link communication is increased, which shows adverse effect at microwave and millimetric frequencies, since EM waves are most effected by scattering and absorption phenomena.

How to Calculate Distribution of Rain Attenuation?

Distribution of Rain Attenuation calculator uses Distribution of Rain Attenuation = 1+((2*Horizontal Projection Length)/(pi*Diameter of Rain Cell)) to calculate the Distribution of Rain Attenuation, The Distribution of Rain Attenuation formula is defined as Electromagnetic signals are attenuated when propagating through a region of rainfall. Rainfall attenuation is computed according to the ITU rainfall model. If this distribution is known or can be approximated as a function of rainfall rate, the specific attenuation can be estimated as a function of rainfall rate. Distribution of Rain Attenuation is denoted by PR symbol.

How to calculate Distribution of Rain Attenuation using this online calculator? To use this online calculator for Distribution of Rain Attenuation, enter Horizontal Projection Length (L_G) & Diameter of Rain Cell (D) and hit the calculate button. Here is how the Distribution of Rain Attenuation calculation can be explained with given input values -> 34.39383 = 1+((2*10490.98)/(pi*200)).

FAQ

What is Distribution of Rain Attenuation?

The Distribution of Rain Attenuation formula is defined as Electromagnetic signals are attenuated when propagating through a region of rainfall. Rainfall attenuation is computed according to the ITU rainfall model. If this distribution is known or can be approximated as a function of rainfall rate, the specific attenuation can be estimated as a function of rainfall rate and is represented as PR = 1+((2*L_G)/(pi*D)) or Distribution of Rain Attenuation = 1+((2*Horizontal Projection Length)/(pi*Diameter of Rain Cell)). The Horizontal projection length is the projection of the length of the slant length & The Diameter of Rain Cell gives the value of its diameter.

How to calculate Distribution of Rain Attenuation?

The Distribution of Rain Attenuation formula is defined as Electromagnetic signals are attenuated when propagating through a region of rainfall. Rainfall attenuation is computed according to the ITU rainfall model. If this distribution is known or can be approximated as a function of rainfall rate, the specific attenuation can be estimated as a function of rainfall rate is calculated using Distribution of Rain Attenuation = 1+((2*Horizontal Projection Length)/(pi*Diameter of Rain Cell)). To calculate Distribution of Rain Attenuation, you need Horizontal Projection Length (L_G) & Diameter of Rain Cell (D). With our tool, you need to enter the respective value for Horizontal Projection Length & Diameter of Rain Cell and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

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