Ultra wide band antenna with a spline curve radiating element
First Claim
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1. An antenna comprising:
- a radiating element provided on a planar surface;
a ground plane element provided on a planar surface; and
wherein at least the radiating element has a shape defined by a spline curve, wherein the shape of the radiating element and ground plane element is definable by a spline curve.
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Abstract
The present application relates to microstrip-fed printed planar antennas and in particular to the geometry of same. More particularly an antenna is provided with a radiating or ground plane element having a generally continuous curved shape and being symmetrical about the longitudinal axis and non-symmetrical about an axis transverse to the longitudinal axis.
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Citations
28 Claims
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1. An antenna comprising:
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a radiating element provided on a planar surface; a ground plane element provided on a planar surface; and wherein at least the radiating element has a shape defined by a spline curve, wherein the shape of the radiating element and ground plane element is definable by a spline curve. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. An antenna comprising;
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a radiating element provided on a planar surface; a ground plane element provided on a planar surface; and wherein at least the radiating element is disposed along a longitudinal axis of the antenna and has a generally continuous curved shape, the shape being symmetrical about the longitudinal axis and non-symmetrical about an axis transverse to the longitudinal axis, wherein at least the radiating element has a shape defined by a spline curve, wherein said spline curve is a quadratic Bé
zier spline curve.
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19. A method of manufacturing an antenna comprising the steps of
selecting a required design criteria; -
selecting a plurality of control points; establishing a plurality of curved splines employing said control points so as to define at least a radiation element shape; and adjusting the control points to obtain a radiation element meeting the required design criteria, wherein the radiation element shape and a ground plane element shape are defined using a plurality of curved splines. - View Dependent Claims (20, 21, 22, 23, 24, 25, 26)
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27. A wide band printed antenna comprising:
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a radiating element provided on a first planar surface; a ground plane provided on a second planar surface; and wherein at least the radiating element is disposed along a longitudinal axis, with the radiating element having a generally continuous curved shape and being symmetrical about the longitudinal axis and non-symmetrical along an axis transverse to the longitudinal axis and wherein the shape of the radiating element is definable by a series of quadratic Bé
zier spline curves.
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28. An antenna comprising:
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a radiating element provided on a first planar surface; a ground plane element; and wherein the radiating element is disposed along a longitudinal axis of the antenna, with the radiating element and ground plane having a generally continuous curved shape being symmetrical about the longitudinal axis and non-symmetrical about an axis transverse to the longitudinal axis.
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Specification