Physicists at ETH Zurich have developed a lens that can transform infrared light into visible light by halving the wavelength ...

Kalman Filter,2D Plane,3-axis Accelerometer,Accelerometer Data,Accurate Estimation,Ambiguity Problem,Angular Domain,Angular Velocity,Attitude Matrix,Autonomous ...

Then I got the very accurate Euler angle parameters I wanted the day before yesterday, because getting Euler angles is what I need in my current work. Of course, I have to get accurate Euler angles ...