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## Credits

Bipin Tripathi Kumaon Institute of Technology (BTKIT), Dwarahat
Shobhit Dimri has created this Calculator and 500+ more calculators!
Vishwakarma Government Engineering College (VGEC), Ahmedabad
Urvi Rathod has verified this Calculator and 1000+ more calculators!

## Doppler Frequency Shift Solution

STEP 0: Pre-Calculation Summary
Formula Used
doppler_frequency_shift = 2*target velocity/Wavelength
Δfd = 2*vr/λ
This formula uses 2 Variables
Variables Used
target velocity - target velocity is the velocity of the target (Measured in Meter per Second)
Wavelength - Wavelength is the distance between identical points (adjacent crests) in the adjacent cycles of a waveform signal propagated in space or along a wire (Measured in Meter)
STEP 1: Convert Input(s) to Base Unit
target velocity: 4 Meter per Second --> 4 Meter per Second No Conversion Required
Wavelength: 2 Meter --> 2 Meter No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
Δfd = 2*vr/λ --> 2*4/2
Evaluating ... ...
Δfd = 4
STEP 3: Convert Result to Output's Unit
4 Hertz --> No Conversion Required
4 Hertz <-- doppler frequency shift
(Calculation completed in 00.016 seconds)

## < 10+ CW AND FREQUENCY-MODULATED RADAR Calculators

Amplitude Of The Signal Received From Target at Range Ro
amplitude_of_the_signal_received = Echo Signal Voltage/(2*3.14*(carrier frequency+doppler frequency shift)*Time-(4*3.14*carrier frequency*Range/Speed of Light)) Go
Amplitude Of Reference signal
amplitude_of_reference_signal = CW oscillator voltage/(sin(2*3.14*frequency*Time)) Go
CW oscillator voltage
cw_oscillator_voltage = Amplitude Of Reference signal*sin(2*3.14*frequency*Time) Go
Phase difference between the echo signals
phase_difference_echo_signals = 2*3.14*Distance*sin(Theta)/Wavelength Go
Distance from antenna 1 to the target
distance_from_antenna_1 = Range+Distance/2*sin(Theta) Go
Distance from antenna 2
distance_from_antenna_2 = Range-Distance/2*sin(Theta) Go
radar_antenna_height = (Range-resolution*Range) /target height Go
Target height
target_height = (Range-resolution*Range)/radar antenna height Go
Range-resolution
range_resolution = (radar antenna height*target height)/Range Go
Doppler Frequency Shift
doppler_frequency_shift = 2*target velocity/Wavelength Go

### Doppler Frequency Shift Formula

doppler_frequency_shift = 2*target velocity/Wavelength
Δfd = 2*vr/λ

## Why Should We Use Radar Technology?

The radar signal is virtually unaffected by the tank content and tank atmosphere, temperature or pressure. The measurement is not influenced by changing material characteristics such as density, dielectric properties and viscosity.

## How to Calculate Doppler Frequency Shift?

Doppler Frequency Shift calculator uses doppler_frequency_shift = 2*target velocity/Wavelength to calculate the doppler frequency shift, The Doppler Frequency Shift formula is defined as the change in frequency of a wave in relation to an observer who is moving relative to the wave source. doppler frequency shift and is denoted by Δfd symbol.

How to calculate Doppler Frequency Shift using this online calculator? To use this online calculator for Doppler Frequency Shift, enter target velocity (vr) and Wavelength (λ) and hit the calculate button. Here is how the Doppler Frequency Shift calculation can be explained with given input values -> 4 = 2*4/2.

### FAQ

What is Doppler Frequency Shift?
The Doppler Frequency Shift formula is defined as the change in frequency of a wave in relation to an observer who is moving relative to the wave source and is represented as Δfd = 2*vr/λ or doppler_frequency_shift = 2*target velocity/Wavelength. target velocity is the velocity of the target and Wavelength is the distance between identical points (adjacent crests) in the adjacent cycles of a waveform signal propagated in space or along a wire.
How to calculate Doppler Frequency Shift?
The Doppler Frequency Shift formula is defined as the change in frequency of a wave in relation to an observer who is moving relative to the wave source is calculated using doppler_frequency_shift = 2*target velocity/Wavelength. To calculate Doppler Frequency Shift, you need target velocity (vr) and Wavelength (λ). With our tool, you need to enter the respective value for target velocity and Wavelength and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
How many ways are there to calculate doppler frequency shift?
In this formula, doppler frequency shift uses target velocity and Wavelength. We can use 10 other way(s) to calculate the same, which is/are as follows -
• doppler_frequency_shift = 2*target velocity/Wavelength
• cw_oscillator_voltage = Amplitude Of Reference signal*sin(2*3.14*frequency*Time)
• amplitude_of_reference_signal = CW oscillator voltage/(sin(2*3.14*frequency*Time))
• amplitude_of_the_signal_received = Echo Signal Voltage/(2*3.14*(carrier frequency+doppler frequency shift)*Time-(4*3.14*carrier frequency*Range/Speed of Light))
• distance_from_antenna_1 = Range+Distance/2*sin(Theta)
• distance_from_antenna_2 = Range-Distance/2*sin(Theta)
• phase_difference_echo_signals = 2*3.14*Distance*sin(Theta)/Wavelength
• range_resolution = (radar antenna height*target height)/Range
• radar_antenna_height = (Range-resolution*Range) /target height
• target_height = (Range-resolution*Range)/radar antenna height
Where is the Doppler Frequency Shift calculator used?
Among many, Doppler Frequency Shift calculator is widely used in real life applications like {FormulaUses}. Here are few more real life examples -
{FormulaExamplesList}
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