Quick Answer
Calculate Parabolic Reflector Antenna Gain vs. Diameter, Focal Length, and Efficiency
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Find Engineering Solutions →Result Interpretation
Parabolic Reflector Antenna Gain Vs. Diameter, Focal Length, And Efficiency Calculator computes Antenna Gain in 1 using the defined engineering formula and the input values provided. No universal acceptance threshold is defined by this calculator.
Worked Example
Verified calculation
Given:
- Reflector Diameter = 2
- Focal Length = 0.5
- Aperture Efficiency = 0.55
- Operating Frequency = 10000000000
- Speed of Light = 299792458
Expected Result:
- Antenna Gain = 12079.557479109
Engineering Interpretation:
Under the given input conditions, the calculated result is: Antenna Gain = 12079.557479109.
The actual numerical result is computed by the Runtime engine using the persisted tool definition. The values shown here come from deterministically validated test cases.
Formula / Method
antenna gain = aperture efficiency * pow(3.14159265358979 * reflector diameter / (speed of light / operating frequency), 2) * (1.0 / (1.0 + pow(reflector diameter / (4.0 * focal length), 2)))Formula family: formula_antenna_parabolic_reflector_antenna_gain_vs_diameter_focal_length_and_efficiency_calculator
Variables
| Symbol | Label | Role | Description |
|---|---|---|---|
| diameter | Reflector Diameter | INPUT | Reflector Diameter |
| focal_length | Focal Length | INPUT | Focal Length |
| efficiency | Aperture Efficiency | INPUT | Aperture Efficiency |
| frequency | Operating Frequency | INPUT | Operating Frequency |
| c | Speed of Light | INPUT | Speed of Light |
| antenna_gain | Antenna Gain | OUTPUT | Antenna Gain |
Calculation Steps
- Enter the reflector diameter in m.
- Enter the focal length in m.
- Enter the aperture efficiency in 1.
- Enter the operating frequency in Hz.
- Enter the speed of light in m/s.
- Step 1: Compute antenna gain.
- Read the antenna gain (1) from the results.
Engineering Summary
Calculate Parabolic Reflector Antenna Gain vs. Diameter, Focal Length, and Efficiency
Frequently Asked Questions
What does this calculator calculate?
The Parabolic Reflector Antenna Gain Vs. Diameter, Focal Length, And Efficiency Calculator estimates Antenna Gain based on the input parameters you provide
Why is reflector diameter important in this calculation?
reflector diameter is used directly in the calculation of antenna gain. Its effect on the result depends on the complete formula and the values of the other inputs.. When you enter reflector diameter in m, the calculator uses it in the engineering formula to compute the output
How should I interpret the result antenna gain?
The calculator outputs antenna gain. The result is computed directly from the input values using the defined engineering formula
What units should I use for the inputs?
Enter each value in the units shown next to the input field: Reflector Diameter (m), Focal Length (m), Operating Frequency (Hz), Speed of Light (m/s). Make sure all inputs use the specified units for consistent results
What assumptions does this calculator use?
This calculator uses automatically validated engineering formulas. Results are approximate and should be validated against site-specific conditions, applicable codes, and professional engineering judgment
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