METHOD, DEVICE AND MEDIUM FOR CALCULATING RADIATION FIELD OF SATELLITE-BORNE ARRAY ANTENNA
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United States of America
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Issued Date -
Feb 13, 2025
app pub date -
Jan 19, 2024
filing date -
Jan 19, 2024
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Abstract
Disclosed is a method and a device for calculating a radiation field of satellite-borne array antennas. comprising: calculation of a kernel function of an antenna: calculating the kernel function of a very-low-frequency antenna in an ionospheric environment; calculation of an antenna current distribution: establishing and solving N current integral equations satisfied by the array antennas to obtain the current distribution of each antenna in the array; calculation of the radiation fields of the array antennas: calculating and summing the radiation fields of all antenna elements to obtain the radiation field of the array antennas; calculation of an array factor: analyzing a propagation phase difference between the ith antenna and the first antenna, and calculating the array factor of the array antennas accordingly, further simplifying the radiation field of the array antennas. The present disclosure has advantages of less calculation time consumption and high accuracy.
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