The phrase "a fixed direction" is correct and usable in written English.
It can be used when referring to a specific, unchanging path or course of action.
Example: "The project requires us to follow a fixed direction to ensure consistency in our results."
Alternatives: "a set course" or "a predetermined path".
In mathematics, the polar coordinate system is a two-dimensional coordinate system in which each point on a plane is determined by a distance from a fixed point and an angle from a fixed direction.
Moreover, MRI systems call for a directive beam as much as narrow about 5 dBi with a fixed direction toward the broadside over the entire frequency range of interest to suit the mechanical steering principles.
Consequently, once every three orbits, Jupiter and an asteroid in such an orbit would be in the same relative positions, and the asteroid would experience a gravitational force in a fixed direction.
Let δ ℓ 2 ∈ A be a fixed direction.
This even triggers if you aren't careful about keeping the smartphone pointed in a fixed direction.
Do the positrons come from a fixed direction or all directions?" Prof Ting pondered to the BBC.
There, the authors obtained the conditions for which no trajectory can reach the origin following any fixed direction or spirally.
She remarks (p. 82): "The total reliance of natural selection on chance was simply not compatible with the notion of any fixed direction".
In this article we give the complete list of all non-architecturally singular parallel manipulators of Stewart Gough type with planar base and platform, whose singularity set for any orientation of the platform is a cylindrical surface with rulings parallel to a given fixed direction p in the space of translations.
However, any given cell will at times appear to move in a certain fixed direction θ, around which the instantaneous angle ϕ fluctuates.
A method is given by which the response of a rotating or non-rotating timoshenko beam can be determined, subjected to an accelerating fixed direction distributed surface force.
