Doppler Frequency Calculator

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Radar & Antenna Specifications

Radar Antennas Reception

Special Purpose Radars

✖Doppler Angular Frequency refers to the angular frequency shift that occurs in a wave or signal when there is relative motion between the source of the wave and the observer.ⓘ Doppler Angular Frequency [ω_d]

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✖Doppler frequency refers to the frequency shift that occurs in a wave, such as sound waves, light waves, due to the relative motion between the source of the wave and the observer.ⓘ Doppler Frequency [f_d]

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Formula

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Doppler Frequency

Formula

`"f"_{"d"} = "ω"_{"d"}/(2*pi)`

Example

`"10.30003Hz"="64.717rad/s"/(2*pi)`

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Doppler Frequency Solution

STEP 0: Pre-Calculation Summary

Formula Used

Doppler Frequency = Doppler Angular Frequency/(2*pi)
f_d = ω_d/(2*pi)
This formula uses 1 Constants, 2 Variables

Constants Used

pi - Archimedes' constant Value Taken As 3.14159265358979323846264338327950288

Variables Used

Doppler Frequency - (Measured in Hertz) - Doppler frequency refers to the frequency shift that occurs in a wave, such as sound waves, light waves, due to the relative motion between the source of the wave and the observer.
Doppler Angular Frequency - (Measured in Radian per Second) - Doppler Angular Frequency refers to the angular frequency shift that occurs in a wave or signal when there is relative motion between the source of the wave and the observer.

STEP 1: Convert Input(s) to Base Unit

Doppler Angular Frequency: 64.717 Radian per Second --> 64.717 Radian per Second No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

f_d = ω_d/(2*pi) --> 64.717/(2*pi)

Evaluating ... ...

f_d = 10.3000304520782

STEP 3: Convert Result to Output's Unit

10.3000304520782 Hertz --> No Conversion Required

FINAL ANSWER

10.3000304520782 ≈ 10.30003 Hertz <-- Doppler Frequency

(Calculation completed in 00.004 seconds)

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Created by Shobhit Dimri

Bipin Tripathi Kumaon Institute of Technology (BTKIT), Dwarahat

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< 24 Radar & Antenna Specifications Calculators

Maximum Range of Radar

Go Target Range = ((Transmitted Power*Transmitted Gain*Cross Section Area of Radar*Effective Area of Receiving Antenna)/(16*pi^2*Minimum Detectable Signal))^0.25

Minimum Detectable Signal

Go Minimum Detectable Signal = (Transmitted Power*Transmitted Gain*Cross Section Area of Radar*Effective Area of Receiving Antenna)/(16*pi^2*Target Range^4)

N Scans

Go N Scans = (log10(1-Cumulative Probability of Detection))/(log10(1-Detection Probability of Radar))

Transmitted Gain

Go Transmitted Gain = (4*pi*Effective Area of Receiving Antenna)/Wavelength^2

Transmitted Frequency

Go Transmitted Frequency = Doppler Frequency*[c]/(2*Radial Velocity)

Power Density Radiated by Lossless Antenna

Go Lossless Isotropic Power Density = Maximum Radiated Power Density/Maximum Gain of Antenna

Maximum Power Density Radiated by Antenna

Go Maximum Radiated Power Density = Lossless Isotropic Power Density*Maximum Gain of Antenna

Maximum Gain of Antenna

Go Maximum Gain of Antenna = Maximum Radiated Power Density/Lossless Isotropic Power Density

Radar Antenna Height

Go Antenna Height = (Range Resolution*Range)/(2*Target Height)

Target Height

Go Target Height = (Range Resolution*Range)/(2*Antenna Height)

Probability of Detection

Go Detection Probability of Radar = 1-(1-Cumulative Probability of Detection)^(1/N Scans)

Cumulative Probability of Detection

Go Cumulative Probability of Detection = 1-(1-Detection Probability of Radar)^N Scans

Effective Area of Receiving Antenna

Go Effective Area of Receiving Antenna = Antenna Area*Antenna Aperture Efficiency

Antenna Aperture Efficiency

Go Antenna Aperture Efficiency = Effective Area of Receiving Antenna/Antenna Area

Antenna Area

Go Antenna Area = Effective Area of Receiving Antenna/Antenna Aperture Efficiency

Pulse Repetition Frequency

Go Pulse Repetition Frequency = [c]/(2*Maximum Unambiguous Range)

Maximum Unambiguous Range

Go Maximum Unambiguous Range = ([c]*Pulse Repetition Time)/2

Pulse Repetition Time

Go Pulse Repetition Time = (2*Maximum Unambiguous Range)/[c]

Target Velocity

Go Target Velocity = (Doppler Frequency Shift*Wavelength)/2

Doppler Frequency

Go Doppler Frequency = Doppler Angular Frequency/(2*pi)

Doppler Angular Frequency

Go Doppler Angular Frequency = 2*pi*Doppler Frequency

Radial Velocity

Go Radial Velocity = (Doppler Frequency*Wavelength)/2

Range of Target

Go Target Range = ([c]*Measured Runtime)/2

Measured Runtime

Go Measured Runtime = 2*Target Range/[c]

Doppler Frequency Formula

Doppler Frequency = Doppler Angular Frequency/(2*pi)
f_d = ω_d/(2*pi)

What is Doppler effect?

Doppler Effect refers to the change in wave frequency during the relative motion between a wave source and its observer.

How to Calculate Doppler Frequency?

Doppler Frequency calculator uses Doppler Frequency = Doppler Angular Frequency/(2*pi) to calculate the Doppler Frequency, The Doppler Frequency formula is defined as echo produced by a moving target by noting how much the frequency of the received signal differs from the frequency of the signal that was transmitted. Doppler Frequency is denoted by f_d symbol.

How to calculate Doppler Frequency using this online calculator? To use this online calculator for Doppler Frequency, enter Doppler Angular Frequency (ω_d) and hit the calculate button. Here is how the Doppler Frequency calculation can be explained with given input values -> 10.30003 = 64.717/(2*pi).

FAQ

What is Doppler Frequency?

The Doppler Frequency formula is defined as echo produced by a moving target by noting how much the frequency of the received signal differs from the frequency of the signal that was transmitted and is represented as f_d = ω_d/(2*pi) or Doppler Frequency = Doppler Angular Frequency/(2*pi). Doppler Angular Frequency refers to the angular frequency shift that occurs in a wave or signal when there is relative motion between the source of the wave and the observer.

How to calculate Doppler Frequency?

The Doppler Frequency formula is defined as echo produced by a moving target by noting how much the frequency of the received signal differs from the frequency of the signal that was transmitted is calculated using Doppler Frequency = Doppler Angular Frequency/(2*pi). To calculate Doppler Frequency, you need Doppler Angular Frequency (ω_d). With our tool, you need to enter the respective value for Doppler Angular Frequency 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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