whitecloudy / radar-detection-minimum-altitude

Simple program which can calculate radar's minimum detection altitude

Simple program which can calculate radar's minimum detection altitude based on Distance from radar and Angle.

I assumed that the earth is perfect sphere because the calculation can be too difficult.

I will add the height of radar someday

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#Calculation Equation

• L - length from earth center to point of minimum detection altitude
• A - Minimum detection altitude
• r - Earth radius
• d - Earth surface distance
• a - angle of radar(degree)

b = d/2rπ * 360(degree)

L = (r * cot(a) * sec(b))/(cot(a) - tan(b))

A = L - r