Vibration analysis/ vector sum/ phase

2016 12 3
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更新时间：2016 12 3
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Given two matrix with a signal measured from an accelerometer (time, accel_x, accel_Y, accel_z), how can I verify in witch direction the vector sum is pointed at?
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回答（1 个）

bio lim
bio lim 2016-12-3

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Let's say this is your data.

A = [1 1 2 3;
     2 2 4 -1;
     3 0 1 5];

where the first column is the time, and the rest are the accelerations measured in X,Y, and Z. Then, using quiver3

start = zeros(3,3);
end = [A(:,2) A(:,3) A(:,4)];

quiver3(start(:,1), start(:,2), start(:,3), end(:,1), end(:,2), end(:,3))

Gives you:

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