Quick Answer
The phased array scan blindness threshold angle from mutual coupling impedance mismatch calculator computes scan blindness onset angle from the input values you provide.
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Find Engineering Solutions →Result Interpretation
Phased Array Scan Blindness Threshold Angle from Mutual Coupling Impedance Mismatch calculator computes Scan blindness onset angle in rad using the defined engineering formula and the input values provided. Scan blindness onset angle is expressed in rad. No universal acceptance threshold is defined by this calculator.
Worked Example
Verified calculation
Given:
- Active input impedance of element under scan = 50
- Characteristic feed line impedance = 50
Expected Result:
- Scan blindness onset angle = 0
Engineering Interpretation:
Under the given input conditions, the calculated result is: Scan blindness onset angle = 0 rad.
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
scan blindness onset angle = acos(sqrt(1 - pow(abs(active input impedance of element under scan - characteristic feed line impedance) / (active input impedance of element under scan + characteristic feed line impedance), 2)))Scan blindness onset angle.
Variables
| Symbol | Label | Role | Description |
|---|---|---|---|
| Z_in_active | Active input impedance of element under scan | INPUT | Active input impedance of element under scan |
| Z_0 | Characteristic feed line impedance | INPUT | Characteristic feed line impedance |
| scan_angle | Scan blindness onset angle | OUTPUT | Scan blindness onset angle |
Calculation Steps
- Enter the active input impedance of element under scan in ohm.
- Enter the characteristic feed line impedance in ohm.
- Step 1: Compute scan blindness onset angle.
- Read the scan blindness onset angle (rad) from the results.
Frequently Asked Questions
What does this calculator calculate?
The Phased Array Scan Blindness Threshold Angle from Mutual Coupling Impedance Mismatch calculator estimates Scan blindness onset angle based on the input parameters you provide
Why is active input impedance of element under scan important in this calculation?
active input impedance of element under scan is used directly in the calculation of scan blindness onset angle. Its effect on the result depends on the complete formula and the values of the other inputs.. When you enter active input impedance of element under scan in ohm, the calculator uses it in the engineering formula to compute the output
How should I interpret the result scan blindness onset angle?
The calculator outputs scan blindness onset angle in rad. 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: Active input impedance of element under scan (ohm), Characteristic feed line impedance (ohm). 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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