See: Constant dollar plan.

(See: Dollar-cost-averaging)

The light meter's arithmetic mean of all the light it "gathers."

Definition see dollar cost averaging, value averaging, averaging down. More generally, calculating the average value of something over a given set of values.

Summing and dividing several like measurements to improve accuracy or to reduce asynchronous components.

When viewing or capturing a spectrum, two kinds of signal averaging are possible: time-based averaging and spatially based averaging.

In light metering, where the light is read from most of the viewfinder frame then averaged to yield an overall, standard exposure for the scene. This setup works fine in normal lighting conditions, but may need some additional input when light is flat or contrasty.

adding together a number of frames and dividing by the total. Averaging many frames together increases the signal-to-noise ratio in an image by the square root of the total number of images used. It w [..]

Buying more of the same shares, generally on a falling market, to lower the average cost per share. (Can also average up, thereby raising the average cost per share).

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Mathematically smoothing the results of several measurements by adding them and dividing by the number of samples.

See: Constant dollar plan.