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Minimum Distance from Antenna Formula

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The minimum distance from antenna is crucial because it helps maintain the integrity of the signal being transmitted. It is the minimum distance required for far field measurement. Check FAQs

r min = \frac{2 \cdot D^{2}}{λ}

r_min - Minimum Distance from Antenna?D - Parabolic Reflector Diameter?λ - Wavelength?

Minimum Distance from Antenna Example

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Here is how the Minimum Distance from Antenna equation looks like with Values.

Here is how the Minimum Distance from Antenna equation looks like with Units.

Here is how the Minimum Distance from Antenna equation looks like.

2.3077 = \frac{2 \cdot 3^{2}}{7.8}

2.3077m = \frac{2 \cdot {3m}^{2}}{7.8m}

2.3077 = \frac{2 \cdot 3^{2}}{7.8}

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Minimum Distance from Antenna Solution

Follow our step by step solution on how to calculate Minimum Distance from Antenna?

FIRST Step Consider the formula

r min = \frac{2 \cdot D^{2}}{λ}

Next Step Substitute values of Variables

∴

r min = \frac{2 \cdot {3m}^{2}}{7.8m}

Next Step Prepare to Evaluate

∴

r min = \frac{2 \cdot 3^{2}}{7.8}

Next Step Evaluate

∴

r min = 2.30769230769231m

LAST Step Rounding Answer

∴

r min = 2.3077m

Minimum Distance from Antenna Formula Elements

Variables

Minimum Distance from Antenna

The minimum distance from antenna is crucial because it helps maintain the integrity of the signal being transmitted. It is the minimum distance required for far field measurement.

Symbol: r_min

Measurement: LengthUnit: m

Note: Value can be positive or negative.

Formulas to find Minimum Distance from Antenna

Parabolic Reflector Diameter

Parabolic Reflector Diameter refers to the width of the reflector from one edge to the opposite edge, passing through the center.

Symbol: D

Measurement: LengthUnit: m

Note: Value should be greater than 0.

Formulas to find Parabolic Reflector Diameter

Wavelength

The wavelength of an electromagnetic wave is an important parameter in the design and operation of transmission lines and antennas.

Symbol: λ

Measurement: WavelengthUnit: m

Note: Value should be greater than 0.

Formulas to find Wavelength

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How to Evaluate Minimum Distance from Antenna?

Minimum Distance from Antenna evaluator uses Minimum Distance from Antenna = (2*Parabolic Reflector Diameter^2)/Wavelength to evaluate the Minimum Distance from Antenna, The Minimum Distance from Antenna formula is defined as the minimum permissible distance from the antenna, which depends on the dimension of the antenna in relation to the wavelength. The minimum distance from antenna is crucial because it helps maintain the integrity of the signal being transmitted. Minimum Distance from Antenna is denoted by r_min symbol.

How to evaluate Minimum Distance from Antenna using this online evaluator? To use this online evaluator for Minimum Distance from Antenna, enter Parabolic Reflector Diameter (D) & Wavelength (λ) and hit the calculate button.

FAQs on Minimum Distance from Antenna

What is the formula to find Minimum Distance from Antenna?

The formula of Minimum Distance from Antenna is expressed as Minimum Distance from Antenna = (2*Parabolic Reflector Diameter^2)/Wavelength. Here is an example- 2.307692 = (2*3^2)/7.8.

How to calculate Minimum Distance from Antenna?

With Parabolic Reflector Diameter (D) & Wavelength (λ) we can find Minimum Distance from Antenna using the formula - Minimum Distance from Antenna = (2*Parabolic Reflector Diameter^2)/Wavelength.

Can the Minimum Distance from Antenna be negative?

Yes, the Minimum Distance from Antenna, measured in Length can be negative.

Which unit is used to measure Minimum Distance from Antenna?

Minimum Distance from Antenna is usually measured using the Meter[m] for Length. Millimeter[m], Kilometer[m], Decimeter[m] are the few other units in which Minimum Distance from Antenna can be measured.

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