# Rotation

(redirected from axis of rotation)
Also found in: Dictionary, Thesaurus, Medical, Acronyms, Encyclopedia.
Related to axis of rotation: Instantaneous axis of rotation

## Rotation

An active asset management strategy that tactically overweighted and underweighted certain sectors, depending on expected performance. Sometimes called sector rotation.

## Sector Rotation

An investment strategy in which a portfolio overweights or underweights certain sectors in accordance with expected performance. Sector rotation is a form of active investment management; the portfolio manager observes market trends and alters the composition of the portfolio in order to earn the highest possible return. Sector rotation is fairly high risk, as a portfolio's systematic overweighting and underweighting means that is not efficiently diversified. See also: Markowitz portfolio theory.
References in periodicals archive ?
A common misconception by students is failing to take into account the axis of rotation in the integrand.
As stated above, during the first tilt, two hand carts are inserted parallel to the axis of rotation. Therefore, the number of independent design variables is n - l.Weare going to express the problem as an optimization problem composed of constraints and an objective function and then solve it.
It is found that axisymmetrical sand bed is unstable to the onset of regular patterns in the form of ripples extended along the axis of rotation. The pattern formation is associated with the excitation of inertial surface waves and corresponding steady flows caused by external force field; thus the phenomenon belongs to "vibrational mechanics." In nature, these flows are of importance in shorefaces, deserts, shelves, and so forth.
15a only starting with the bubble at the outer edge of the mold, 61.5 mm from the axis of rotation. For simulations with the bubbles starting at the outer edge of the mold, the required spin time to remove 99% of the trapped bubbles with a set spin speed of 1000 rpm is 1090 s.
Since any plane containing the axis of rotation intersects the paraboloid in a parabola of the same size as the original one, the paraboloid has a single focus F.
If the axis of rotation of the oval is its major axis and if the axis of rotation of the lenticular is its minor axis, they would revolve like the sphere, without needing an empty space (makan khal).
The IVT uses a swash plate design that imparts reciprocating motion via the inclination of a faceplate on a shaft relative to the axis of rotation. This plate can be inclined up to 25[degrees] in either direction (for forward or reverse gears), or held at zero inclination at idle.
Maximum stimulus is provided by a horizontal oscillation of the chair as the patient's head is tilted forward to bring the plane of the horizontal semicircular canal to a right angle to the axis of rotation. Eye movements are calibrated in a manner similar to that used in electronystagmography.
We accomplished this by making the center of mass of the load correspond to the axis of rotation very well (balance periods of[greater than] 120 s).
He draws his weight closer to his axis of rotation (center point at which Hawk rotates), and hikes up his speed.
One star in particular, the polestar, or North Star (Polaris), in the constellation Ursa Minor, is practically in line with the Earth's axis of rotation. So, unlike the other stars, which clearly cross the night sky, the polestar remains almost totally stationary (it does follow a path, but its radius is insignificant).
Upon entering the single-support phase of a turn, you must keep the left side locked to prevent yourself from turning around the axis of rotation. If you fail to keep the left side locked, you will get pulled out of your axis of rotation when the hammer reaches its highest point.

Site: Follow: Share:
Open / Close