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我需要以公里为单位计算 FOV
角度 FOV = 98 x 98° 物体距离 = 86km
FOV [km] = (tan(98/2) * 180 / pi) * 86
给出否定的结果。我的错误在哪里？
您必须将pi/180乘数放在括号内，它应该应用于角度
pi/180
FOV [km] = tan(98/2 * pi / 180) * 86 * 2 = 198 km
注意 x2 用于全范围