The phrase "a reference orientation" is correct and usable in written English.
It can be used in contexts where you are discussing a point of reference or a framework for understanding something.
Example: "In our study, we established a reference orientation to guide our analysis of the data collected."
Alternatives: "a point of reference" or "a guiding framework".
In particular, through this control term, we modify the orientation of the robot in accordance with a reference orientation.
We calculate the largest wrench-closure circular zone centered at an arbitrary point of the trajectory for a given range of orientations around a reference orientation of the limb.
The misalignment angle was calculated for a range of tilts and rotations of the ultrasound transducer relative to a reference orientation that was perpendicular to the skin and parallel to the tibia.
However, calculations of relative transfer free energy of different orientations as compared to a reference orientation are expected to be more accurate since it is presumed that most systematic errors in the model and calculations will cancel out.
However, previous experiments have shown that the position of these peaks depends on the reference stimulus, appearing at ±15° on either side of any axis chosen as a reference orientation, not only the cardinal axes (see also Figure S1 and [13], [14], [36], [37])).
A threshold for each reference orientation at each meridian location, defined in degrees different from the reference orientation, was obtained by taking half the difference between the 2 orientations that respectively generated 25%and75%5% correct responses on the psychometric curve.
b) Lower hemisphere equal area stereographic projection of the poles to low-index planes for the reference orientation shown by a cross in (a).
a) Cumulative misorientation map derived from EBSD data showing disorientation relative to reference orientation shown by a cross.
c) Cumulative misorientation map in which each pixel is coloured for minimum misorientation relative to the reference orientation shown in (a) and (b).
Some organisms have learned to take advantage of the force of gravity by using it as a reference for orientation.
The tracer should be administered on each side of the tumor/scar, keeping as a reference the orientation of the surgical scar.
