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Radiation Resistance of Half-Wave Dipole Formula

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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. Check FAQs

R hwd = \frac{0.609 \cdot η hwd}{π}

R_hwd - Radiation Resistance of Half-wave Dipole?η_hwd - Intrinsic Impedance of Medium?π - Archimedes' constant?

Radiation Resistance of Half-Wave Dipole Example

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Here is how the Radiation Resistance of Half-Wave Dipole equation looks like with Values.

Here is how the Radiation Resistance of Half-Wave Dipole equation looks like with Units.

Here is how the Radiation Resistance of Half-Wave Dipole equation looks like.

73.0817 = \frac{0.609 \cdot 377}{3.1416}

73.0817Ω = \frac{0.609 \cdot 377Ω}{3.1416}

73.0817 = \frac{0.609 \cdot 377}{3.1416}

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Radiation Resistance of Half-Wave Dipole Solution

Follow our step by step solution on how to calculate Radiation Resistance of Half-Wave Dipole?

FIRST Step Consider the formula

R hwd = \frac{0.609 \cdot η hwd}{π}

Next Step Substitute values of Variables

∴

R hwd = \frac{0.609 \cdot 377Ω}{π}

Next Step Substitute values of Constants

∴

R hwd = \frac{0.609 \cdot 377Ω}{3.1416}

Next Step Prepare to Evaluate

∴

R hwd = \frac{0.609 \cdot 377}{3.1416}

Next Step Evaluate

∴

R hwd = 73.081721698595Ω

LAST Step Rounding Answer

∴

R hwd = 73.0817Ω

Radiation Resistance of Half-Wave Dipole Formula Elements

Variables

Constants

Radiation Resistance of Half-wave Dipole

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.

Symbol: R_hwd

Measurement: Electric ResistanceUnit: Ω

Note: Value should be greater than 0.

Formulas to find Radiation Resistance of Half-wave Dipole

Intrinsic Impedance of Medium

The Intrinsic Impedance of Medium refers to the characteristic impedance of a material through which electromagnetic waves propagate.

Symbol: η_hwd

Measurement: Electric ResistanceUnit: Ω

Note: Value should be greater than 0.

Formulas to find Intrinsic Impedance of Medium

Archimedes' constant

Archimedes' constant is a mathematical constant that represents the ratio of the circumference of a circle to its diameter.

Symbol: π

Value: 3.14159265358979323846264338327950288

Other formulas in Electromagnetic Radiation and Antennas category

Go Radiation Resistance of Antenna

R rad = 2 \cdot \frac{P r}{{i o}^{2}}

Go Average Power

P r = \frac{1}{2} \cdot {i o}^{2} \cdot R rad

Go Poynting Vector Magnitude

S r = \frac{1}{2} \cdot {(\frac{I d \cdot k \cdot d}{4 \cdot π})}^{2} \cdot η \cdot {(\sin (θ))}^{2}

Go Radiation Efficiency of Antenna

η r = \frac{G}{D max}

How to Evaluate Radiation Resistance of Half-Wave Dipole?

Radiation Resistance of Half-Wave Dipole evaluator uses Radiation Resistance of Half-wave Dipole = (0.609*Intrinsic Impedance of Medium)/pi to evaluate the Radiation Resistance of Half-wave Dipole, Radiation Resistance of Half-Wave Dipole is approximately 73 ohms, representing the resistive component of impedance where power is effectively radiated as electromagnetic waves. Radiation Resistance of Half-wave Dipole is denoted by R_hwd symbol.

How to evaluate Radiation Resistance of Half-Wave Dipole using this online evaluator? To use this online evaluator for Radiation Resistance of Half-Wave Dipole, enter Intrinsic Impedance of Medium (η_hwd) and hit the calculate button.

FAQs on Radiation Resistance of Half-Wave Dipole

What is the formula to find Radiation Resistance of Half-Wave Dipole?

The formula of Radiation Resistance of Half-Wave Dipole is expressed as Radiation Resistance of Half-wave Dipole = (0.609*Intrinsic Impedance of Medium)/pi. Here is an example- 73.08172 = (0.609*377)/pi.

How to calculate Radiation Resistance of Half-Wave Dipole?

With Intrinsic Impedance of Medium (η_hwd) we can find Radiation Resistance of Half-Wave Dipole using the formula - Radiation Resistance of Half-wave Dipole = (0.609*Intrinsic Impedance of Medium)/pi. This formula also uses Archimedes' constant .

Can the Radiation Resistance of Half-Wave Dipole be negative?

No, the Radiation Resistance of Half-Wave Dipole, measured in Electric Resistance cannot be negative.

Which unit is used to measure Radiation Resistance of Half-Wave Dipole?

Radiation Resistance of Half-Wave Dipole is usually measured using the Ohm[Ω] for Electric Resistance. Megohm[Ω], Microhm[Ω], Volt per Ampere[Ω] are the few other units in which Radiation Resistance of Half-Wave Dipole can be measured.

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