Dictionary:Weighted array

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Pattern in which geophones or seismic sources are distributed along a line (or over an area) so that the contributions of various parts of the line (or area) are unequal. Sometimes achieved by varying the geometric distribution of geophones and/or sources or weightdrops, by varying the outputs of the different geophone elements or varying the charge size in different holes, or by varying the geophone/source spacing. See also tapered array.