Quadrant

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QUADRANT. In angular measures, a quadrant is equal to ninety degrees. Vide Measure.

A Law Dictionary, Adapted to the Constitution and Laws of the United States. By John Bouvier. Published 1856.
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As in [11], the interspacing in the X-axis ([DELTA][x.sub.i]) is fixed to 0.55[lambda] for all elements (we found than the optimal value calculated by PSO was always the smallest as possible) and we consider quadrantal symmetry for the parasitic array what reduces the number of unknowns.
Quadrantal portions of the lower covering sheet lying outside the cruciform attachment pattern are unrestrained by attachment to any other element of the absorbent assembly.