# direction angles

## direction angles

[də′rek·shən ′aŋ·gəlz]
(mathematics)
The three angles which a line in space makes with the positive x, y, and z axes.
References in periodicals archive ?
Wind direction angles and direction coefficients Direction Facility Azimuth Direction No.
e] ([beta]) of wind pressure is expressed by wind direction angle [beta].
the wind direction angle of 36[degrees] has been the most valuable when the roof above the stands is putting up;
On the other hand, wind pressure distribution via wind direction angle is described by enough smooth functions ([TEXT NOT REPRODUCIBLE IN ASCII] et al.
A differential equation of direction angles ([TEXT NOT REPRODUCIBLE IN ASCII.
The permitted range of the change can be found by means of the differential equation of direction angles.
Let us assume that connecting traverse passes via points P and Q that form a baseline (with direction angle [[alpha].
The national coordinates of point P and the initial direction angle [[alpha].
However, a precondition that the initial direction angle for every geodetic system must remain constant is necessary.
The metallic reinforcement elements of the working crown plies are parallel to each other within each working crown ply and are crossed from one working crown ply to the next, forming with the circumferential direction angles [[alpha].
Another issue is generating the correct vector direction angles for a DCC CMM.
In theory, the passive technology can observe direction angles very accurately, he says, but there have been inherent difficulties establishing operational accuracy.
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