ArduPilot 中用于EKF2公式推导的参考文档 Rotation Vector in Attitude EstimationPITTELKAU Observe also that although a composition rule ( o 2 for XI. Note that in both approaches the attitude perturbation is defined otation vectors can be written(see Appendix), it

A non-scanning, non-interferometric, three-dimensional (3D) optical profilometer based on geometric optics, critical angle principle, and the use of a charge-coupled device (CCD) camera is presented. The surface profile of the test specimen can be tr

The use of a computer-generated hologram (CGH) in interferometric testing provides new methods for highly accurate optical measurement. To fabricate a CGH, polygons are used to approximate the smooth CGH pattern. Because the data size supported by CG