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Effective Noise Temperature Formula

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Effective Noise Temperature represents the equivalent temperature of noise that, would produce the same amount of noise power as the actual devices or components in the system. Check FAQs

T e = (F o - 1) \cdot T o

T_e - Effective Noise Temperature?F_o - Overall Noise Figure?T_o - Noise Temperature Network 1?

Effective Noise Temperature Example

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Here is how the Effective Noise Temperature equation looks like with Values.

Here is how the Effective Noise Temperature equation looks like with Units.

Here is how the Effective Noise Temperature equation looks like.

29.9992 = (1.169 - 1) \cdot 177.51

29.9992K = (1.169dB - 1) \cdot 177.51K

29.9992 = (1.169 - 1) \cdot 177.51

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Effective Noise Temperature Solution

Follow our step by step solution on how to calculate Effective Noise Temperature?

FIRST Step Consider the formula

T e = (F o - 1) \cdot T o

Next Step Substitute values of Variables

∴

T e = (1.169dB - 1) \cdot 177.51K

Next Step Prepare to Evaluate

∴

T e = (1.169 - 1) \cdot 177.51

Next Step Evaluate

∴

T e = 29.99919K

LAST Step Rounding Answer

∴

T e = 29.9992K

Effective Noise Temperature Formula Elements

Variables

Effective Noise Temperature

Effective Noise Temperature represents the equivalent temperature of noise that, would produce the same amount of noise power as the actual devices or components in the system.

Symbol: T_e

Measurement: TemperatureUnit: K

Note: Value should be greater than 0.

Formulas to find Effective Noise Temperature

Overall Noise Figure

Overall Noise Figure quantifies how much the device degrades the signal-to-noise ratio (SNR) of the input signal as it passes through the system.

Symbol: F_o

Measurement: NoiseUnit: dB

Note: Value should be greater than 0.

Formulas to find Overall Noise Figure

Noise Temperature Network 1

Noise Temperature Network 1 defined as the temperature at the input of the network which would account for the noise ΔN at the output.

Symbol: T_o

Measurement: TemperatureUnit: K

Note: Value should be greater than 0.

Formulas to find Noise Temperature Network 1

Other formulas in Radar Antennas Reception category

Go Directive Gain

G d = \frac{4 \cdot π}{θ b \cdot φ b}

Go Spacing between Centers of Metallic Sphere

s = \frac{λ m}{2 \cdot \sqrt{1 - {η m}^{2}}}

Go Effective Aperture of Lossless Antenna

A e = η a \cdot A

Go Dielectric Constant of Artificial Dielectric

e = 1 + \frac{4 \cdot π \cdot a^{3}}{s^{3}}

How to Evaluate Effective Noise Temperature?

Effective Noise Temperature evaluator uses Effective Noise Temperature = (Overall Noise Figure-1)*Noise Temperature Network 1 to evaluate the Effective Noise Temperature, Effective Noise Temperature represents the equivalent temperature of noise that, if present in a noiseless system, would produce the same amount of noise power as the actual devices or components in the system. Effective Noise Temperature is denoted by T_e symbol.

How to evaluate Effective Noise Temperature using this online evaluator? To use this online evaluator for Effective Noise Temperature, enter Overall Noise Figure (F_o) & Noise Temperature Network 1 (T_o) and hit the calculate button.

FAQs on Effective Noise Temperature

What is the formula to find Effective Noise Temperature?

The formula of Effective Noise Temperature is expressed as Effective Noise Temperature = (Overall Noise Figure-1)*Noise Temperature Network 1. Here is an example- 29.99919 = (1.169-1)*177.51.

How to calculate Effective Noise Temperature?

With Overall Noise Figure (F_o) & Noise Temperature Network 1 (T_o) we can find Effective Noise Temperature using the formula - Effective Noise Temperature = (Overall Noise Figure-1)*Noise Temperature Network 1.

Can the Effective Noise Temperature be negative?

No, the Effective Noise Temperature, measured in Temperature cannot be negative.

Which unit is used to measure Effective Noise Temperature?

Effective Noise Temperature is usually measured using the Kelvin[K] for Temperature. Celsius[K], Fahrenheit[K], Rankine[K] are the few other units in which Effective Noise Temperature can be measured.

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Effective Noise Temperature Formula

Effective Noise Temperature Example

Effective Noise Temperature Solution

Effective Noise Temperature Formula Elements

Other formulas in Radar Antennas Reception category

How to Evaluate Effective Noise Temperature?

FAQs on Effective Noise Temperature

Variable Name