Range Resolution Formula

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Range Resolution is the ability of radar system to distinguish between two or more targets on the same bearing but at different ranges. Check FAQs
ΔR=2HaHtRo
ΔR - Range Resolution?Ha - Antenna Height?Ht - Target Height?Ro - Range?

Range Resolution Example

With values
With units
Only example

Here is how the Range Resolution equation looks like with Values.

Here is how the Range Resolution equation looks like with Units.

Here is how the Range Resolution equation looks like.

9Edit=2450Edit400Edit40000Edit
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Range Resolution Solution

Follow our step by step solution on how to calculate Range Resolution?

FIRST Step Consider the formula
ΔR=2HaHtRo
Next Step Substitute values of Variables
ΔR=2450m400m40000m
Next Step Prepare to Evaluate
ΔR=245040040000
LAST Step Evaluate
ΔR=9m

Range Resolution Formula Elements

Variables
Range Resolution
Range Resolution is the ability of radar system to distinguish between two or more targets on the same bearing but at different ranges.
Symbol: ΔR
Measurement: LengthUnit: m
Note: Value should be greater than 0.
Antenna Height
Antenna Height is the height of the antenna that it must be placed high above the ground in terms of the wavelength of the radio wave being transmitted.
Symbol: Ha
Measurement: LengthUnit: m
Note: Value should be greater than 0.
Target Height
Target height is defined as the distance of a target above the Earth's surface (height above ground).
Symbol: Ht
Measurement: LengthUnit: m
Note: Value can be positive or negative.
Range
Range refers to the distance between the radar antenna (or the radar system) and a target or object that reflects the radar signal.
Symbol: Ro
Measurement: LengthUnit: m
Note: Value should be greater than 0.

Other formulas in Special Purpose Radars category

​Go Doppler Frequency Shift
Δfd=2vtλ
​Go Reference Voltage of CW Oscillator
Vref=Arefsin(2πωT)
​Go Amplitude of Reference Signal
Aref=Vrefsin(2πωT)
​Go Amplitude of Signal Received from Target at Range
Arec=Vechosin((2π(fc+Δfd)T)-(4πfcRo[c]))

How to Evaluate Range Resolution?

Range Resolution evaluator uses Range Resolution = (2*Antenna Height*Target Height)/Range to evaluate the Range Resolution, The Range resolution formula is defined as the ability of radar system to distinguish between two or more targets on the same bearing but at different ranges. The degree of range resolution depends on the width of the transmitted pulse, the types and sizes of targets, and the efficiency of the receiver and indicator. Range Resolution is denoted by ΔR symbol.

How to evaluate Range Resolution using this online evaluator? To use this online evaluator for Range Resolution, enter Antenna Height (Ha), Target Height (Ht) & Range (Ro) and hit the calculate button.

FAQs on Range Resolution

What is the formula to find Range Resolution?
The formula of Range Resolution is expressed as Range Resolution = (2*Antenna Height*Target Height)/Range. Here is an example- 18 = (2*450*400)/40000.
How to calculate Range Resolution?
With Antenna Height (Ha), Target Height (Ht) & Range (Ro) we can find Range Resolution using the formula - Range Resolution = (2*Antenna Height*Target Height)/Range.
Can the Range Resolution be negative?
No, the Range Resolution, measured in Length cannot be negative.
Which unit is used to measure Range Resolution?
Range Resolution is usually measured using the Meter[m] for Length. Millimeter[m], Kilometer[m], Decimeter[m] are the few other units in which Range Resolution can be measured.
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