3D地理点计算
我有两个问题。
- 我有三个 3D 传感器来测量单个目标点的距离。我知道传感器的 3D 位置以及它们与目标之间的所有距离。如何找到未知点? (我得到了三圆方程,这没有意义去解决?)
- 它是上面问题的反面。我知道 3D 目标点以及 3 个传感器的所有距离。我也知道三个传感器之间的相对距离。我怎样才能找到这三个传感器的位置。我可以有多个距离已知的目标点。
I have two questions.
- I have three sensors in 3D measuring distance of one single target point. I know the sensor location in 3D and all distances between them and target. How can i find the unknown point? ( I got three circle euqtion, which doesn't make sense to solve?)
- It is the inverse of the above question. I know the target point in 3D and all distanctes for 3 sensors. I know relative distance between three sensor also. How can i find the position of this three sensors. I can have multiple target points with known distances.
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在 http://en.wikipedia.org/ 上有一个 3-D、三点情况的方程维基/三边测量;我认为 http://en.wikipedia.org/wiki/Multilateration 回答了您发布的反问题。
There is an equation for the 3-D, three-point case at http://en.wikipedia.org/wiki/Trilateration; I think http://en.wikipedia.org/wiki/Multilateration answers the inverse question you posted.