azimuth alignment

azimuth alignment

[′az·ə·məth a′līn·mənt]
(engineering acoustics)
The condition whereby the center lines of the playback- and recording-head gaps are exactly perpendicular to the magnetic tape and parallel to each other.
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The azimuth alignment errors of TUQKF-2 and TUKF are less than 0.05[degrees] and 0.1[degrees], respectively.
For different azimuth misalignment angles, the average errors of horizontal alignment of 3 methods are all less than 0.008[degrees] and the average error of azimuth alignment of TUQKF-2 is better than TUKF and SRCKF.
The horizontal alignment convergence time is less than 200 s and the azimuth alignment convergence time is less than 500 s.
Owing to the convergence speed of azimuth alignment which is faster than horizontal alignment, we calculated the standard deviation of azimuth estimation errors in different periods to quantitatively analyze the convergence speed of azimuth alignment.
The precision of azimuth alignment of TUQKF-2 is better than TUKF and SRCKF.
It is obviously that azimuth alignment error of RTUQKF-2 is better than TUQKF-2 and much better than SRCKF.
The average error of azimuth alignment of RTUQKF-2 is around 0.03[degrees] and much less than the TUQKF2 and SRCKF if which the mean of azimuth alignment error is around 0.05[degrees] and 0.5[degrees], respectively.
The RTUQKF can effectively increase the precision of azimuth alignment. The convergence speed of azimuth alignment of RTUQKF is better than the other algorithms when the misalignment angles are sufficiently large.
It can also be seen obviously that error of azimuth alignment of RTUQKF-2 is better than TUQKF-2 and much better than SRCKF.
It means that convergence speed of azimuth alignment of RTUQKF is slightly faster than TUQKF and faster than SRCKF.
DC output 6.5v Class 1 Insulation PCB assemblies RoHS-compliant LEDs Viewing Angle +/-3o[degrees] Yellow: Dominant Wave Length 587nm Luminous Intensity 2.6cd Red: Dominant Wave Length 617nm Luminous Intensity 2.6cd Green: Dominant Wave length 525nm Luminous Intensity 2.6cd Azimuth Alignment better than +/- 1degree Stopping accuracy +/- 400mm
This tendency again highlights the special difficulty in maintaining depth alignment, as compared with maintaining elevation or azimuth alignment, during cursor movements.