Abstract
A Modified Unequally Spaced Array Antenna Synthesis Method for Side Lobe Reduction
Highlights
Spaced array antenna synthesis techniques have been deeply investigated in past decades
This paper proposes a new synthesis pattern approach that adjusts the element position in a linear array with a uniform current distribution, in order to quickly and accurately improve the radiation characteristics such as lower peak side lobe level (PSLL)
It is assumed that the current distribution amplitude is uniform and unequally spacing is used in order to decrease SLL
Summary
Spaced array antenna synthesis techniques have been deeply investigated in past decades. Traditional synthesis techniques such as Dolph-Chebyshev [1], Taylor [2], and Fourier transform, can lead to design of a desired pattern. These synthesis procedures change the phase and magnitude of elements current to reduce the side lobe level (SLL). The amplitude/phase distribution can complicate the designing of the array antenna feed network It cannot optimize the use of all elements in terms of maximum power. Non-uniformly spaced array antennas are widely used in radar, sonar, and wireless communications
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