The phrase "an angle of depression" is correct and usable in written English.
It is typically used in mathematics and physics to describe the angle formed between a horizontal line and a line of sight looking downward from an observer to an object.
Example: "To calculate the height of the building, we measured an angle of depression of 30 degrees from the top of the nearby hill."
Alternatives: "a downward angle" or "an angle of decline".
Each downstroke position was defined by an angle of elevation or depression relative to the horizontal, which we term here the flapping angle β, and by twisting of the wing surface along its length, causing variation in the angle of attack across different parts of the wing.
Once an optimized real angle of depression is applied, most interference is supposed to be avoided.
More importantly, the CCTV setup advisor can suggest an optimized real angle of depression for the specified CCTV camera (see Figure 19).
The following formula shows the geometric expression of an optimized real angle of depression : tan θ = H − h D (2) Figure 5 The spatial relationship of CCTV camera parameters.
After analyzing these parameters and determining their reasonable ranges, an optimized real angle of depression for each CCTV camera can be found based on the spatial relationship shown in Figure 5.
An optimization model predicted a point optimum circumference and angle of depression in an unconstrained system, and positive correlations between body mass, pit circumference, and pit angle of depression in the presence of physiological constraints on both measures.
By setting up a CCTV camera with a predetermined optimized real angle of depression, construction efficiency is enhanced as the set up time is reduced.
An optimized real angle of depression can be determined for each CCTV camera based on spatial relationships (see Figure 5).
The dots traveled on a randomized path, and their travel speed varied as a function of the angle of depression of the accelerator, thus providing the participant with a sense that the travel speed of his or her own vehicle varied as a function of the depression angle of the accelerator.
This may help to reduce the time for installation and adjustment of CCTVs because the best angle of depression for a CCTV camera has been determined in advance under user-desired conditions (i.e. an optimized real angle of depression exactly corresponds to a virtual CCTV screen view simulated by the Revit camera).
