## Radiation Resistance of Half-Wave Dipole Solution

STEP 0: Pre-Calculation Summary
Formula Used
Radiation Resistance of Half-wave Dipole = (0.609*Intrinsic Impedance of Medium)/pi
Rhwd = (0.609*ηhwd)/pi
This formula uses 1 Constants, 2 Variables
Constants Used
pi - Archimedes' constant Value Taken As 3.14159265358979323846264338327950288
Variables Used
Radiation Resistance of Half-wave Dipole - (Measured in Ohm) - The Radiation Resistance of Half-wave Dipole refers to the effective resistance presented by the antenna to the flow of radio frequency (RF) power due to the radiation of electromagnetic waves.
Intrinsic Impedance of Medium - (Measured in Ohm) - The Intrinsic Impedance of Medium, refers to the characteristic impedance of a material through which electromagnetic waves propagate.
STEP 1: Convert Input(s) to Base Unit
Intrinsic Impedance of Medium: 377 Ohm --> 377 Ohm No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
Rhwd = (0.609*ηhwd)/pi --> (0.609*377)/pi
Evaluating ... ...
Rhwd = 73.081721698595
STEP 3: Convert Result to Output's Unit
73.081721698595 Ohm --> No Conversion Required
73.081721698595 73.08172 Ohm <-- Radiation Resistance of Half-wave Dipole
(Calculation completed in 00.004 seconds)
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## Credits

Created by Souradeep Dey
National Institute of Technology Agartala (NITA), Agartala, Tripura
Souradeep Dey has created this Calculator and 25+ more calculators!
Verified by Santhosh Yadav
Dayananda Sagar College Of Engineering (DSCE), Banglore
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## < 13 Electromagnetic Radiation and Antennas Calculators

Average Power Density of Half-Wave Dipole
Average Power Density = (0.609*Intrinsic Impedance of Medium*Amplitude of Oscillating Current^2)/(4*pi^2*Radial Distance From Antenna^2)*sin((((Angular Frequency of Half Wave Dipole*Time)-(pi/Length of Antenna)*Radial Distance From Antenna))*pi/180)^2
Magnetic Field for Hertzian Dipole
Magnetic Field Component = (1/Dipole Distance)^2*(cos(2*pi*Dipole Distance/Wavelength of Dipole)+2*pi*Dipole Distance/Wavelength of Dipole*sin(2*pi*Dipole Distance/Wavelength of Dipole))
Maximum Power Density of Half-Wave Dipole
Maximum Power Density = (Intrinsic Impedance of Medium*Amplitude of Oscillating Current^2)/(4*pi^2*Radial Distance From Antenna^2)*sin((((Angular Frequency of Half Wave Dipole*Time)-(pi/Length of Antenna)*Radial Distance From Antenna))*pi/180)^2
Power Radiated by Half-Wave Dipole
Power Radiated by Half-wave Dipole = ((0.609*Intrinsic Impedance of Medium*(Amplitude of Oscillating Current)^2)/pi)*sin(((Angular Frequency of Half Wave Dipole*Time)-((pi/Length of Antenna)*Radial Distance From Antenna))*pi/180)^2
Poynting Vector Magnitude
Poynting Vector = 1/2*((Dipole Current*Wavenumber*Source Distance)/ (4*pi))^2*Intrinsic Impedance*(sin(Polar Angle))^2
Time Average Radiated Power of Half-Wave Dipole
Time Average Radiated Power = (((Amplitude of Oscillating Current)^2)/2)*((0.609*Intrinsic Impedance of Medium)/pi)
Polarization
Polarization = Electric Susceptibility*[Permitivity-vacuum]*Electric Field Strength
Radiation Resistance of Half-Wave Dipole
Radiation Resistance of Half-wave Dipole = (0.609*Intrinsic Impedance of Medium)/pi
Directivity of Half-Wave Dipole
Directivity of Half Wave Dipole = Maximum Power Density/Average Power Density
Electric Field for Hertzian Dipole
Electric Field Component = Intrinsic Impedance*Magnetic Field Component
Radiation Efficiency of Antenna
Radiation Efficiency of Antenna = Maximum Gain/Maximum Directivity
Average Power
Average Power = 1/2*Sinusoidal Current^2*Radiation Resistance
Radiation Resistance of Antenna
Radiation Resistance = 2*Average Power/Sinusoidal Current^2

## Radiation Resistance of Half-Wave Dipole Formula

Radiation Resistance of Half-wave Dipole = (0.609*Intrinsic Impedance of Medium)/pi
Rhwd = (0.609*ηhwd)/pi

## What is the significance radiation resistance of Half-wave dipole?

A half-wave dipole's radiation resistance is important for a number of reasons. It first ascertains the antenna's effectiveness in transforming electrical power into electromagnetic waves that are radiated. Better energy transfer from the transmitter to the surrounding area is implied by a higher radiation resistance, which boosts signal intensity and enhances communication efficiency. Second, knowing the radiation resistance helps minimize signal reflections, maximize power transfer, and match the antenna to the transmission line impedance. It also affects the antenna's radiation pattern and directivity, which changes the reception characteristics and coverage area. Thus, while developing and implementing efficient antenna systems for a range of uses, such as wireless networking, broadcasting, and telecommunication, precise radiation resistance measurement and consideration are essential.

## How to Calculate Radiation Resistance of Half-Wave Dipole?

Radiation Resistance of Half-Wave Dipole calculator uses Radiation Resistance of Half-wave Dipole = (0.609*Intrinsic Impedance of Medium)/pi to calculate the Radiation Resistance of Half-wave Dipole, The Radiation Resistance of Half-Wave Dipole is the effective resistance presented by the antenna to RF power due to the emission of electromagnetic waves. Radiation Resistance of Half-wave Dipole is denoted by Rhwd symbol.

How to calculate Radiation Resistance of Half-Wave Dipole using this online calculator? To use this online calculator for Radiation Resistance of Half-Wave Dipole, enter Intrinsic Impedance of Medium hwd) and hit the calculate button. Here is how the Radiation Resistance of Half-Wave Dipole calculation can be explained with given input values -> 73.08172 = (0.609*377)/pi.

### FAQ

What is Radiation Resistance of Half-Wave Dipole?
The Radiation Resistance of Half-Wave Dipole is the effective resistance presented by the antenna to RF power due to the emission of electromagnetic waves and is represented as Rhwd = (0.609*ηhwd)/pi or Radiation Resistance of Half-wave Dipole = (0.609*Intrinsic Impedance of Medium)/pi. The Intrinsic Impedance of Medium, refers to the characteristic impedance of a material through which electromagnetic waves propagate.
How to calculate Radiation Resistance of Half-Wave Dipole?
The Radiation Resistance of Half-Wave Dipole is the effective resistance presented by the antenna to RF power due to the emission of electromagnetic waves is calculated using Radiation Resistance of Half-wave Dipole = (0.609*Intrinsic Impedance of Medium)/pi. To calculate Radiation Resistance of Half-Wave Dipole, you need Intrinsic Impedance of Medium hwd). With our tool, you need to enter the respective value for Intrinsic Impedance of Medium 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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