Calculating Excitation Amplitudes of Array Elements Using Chebyshev Weighting

MATLAB 878B 242 views 0 downloads 1 credits
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Resource Overview

Given the number of antenna array elements and the required sidelobe level, Chebyshev weighting is employed to determine the excitation amplitudes of individual array elements, with implementation details including array synthesis algorithms and amplitude distribution calculations.

Detailed Documentation

When the number of antenna array elements and the required sidelobe level are known, Chebyshev weighting can be applied to calculate the excitation amplitudes of individual array elements. Chebyshev weighting is a widely used method that maximizes antenna array gain while meeting specific sidelobe level requirements. By adjusting the excitation amplitudes of each element, the directivity and radiation characteristics of the antenna array can be optimized. This significantly enhances the signal reception and transmission performance of the antenna array in specific directions. Implementation typically involves calculating Chebyshev polynomials to determine optimal amplitude tapering across the array, often achieved through iterative algorithms or closed-form solutions for symmetric arrays.

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