Whole-ship electromagnetic scattering prediction method of large-scale shipboard array antenna
An array antenna and electromagnetic scattering technology, applied in the direction of electromagnetic field characteristics, can solve problems such as large amount of calculation, difficult to predict, and large scale
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[0025] Further description will be given below in conjunction with specific examples.
[0026] A shipboard large-scale array antenna, each array element is arranged in a positive cross, and the array element antenna only works within the range of 60-90 degrees in azimuth and 0 degrees in elevation.
[0027] 1) Based on the periodic moment method, according to the drawing of the array element, establish a geometric model for a single array element in the program interface of the method of moments, such as figure 1 shown.
[0028] 2) Supplement the model in step 1) according to the periodic boundary conditions and the number of array elements to obtain the model of the entire array. In this embodiment, there are 10 array elements in the x direction and 10 array elements in the y direction.
[0029] 3) The iterative residual is set by the periodic moment method, and the periodic moment method program is run to simulate the set model to obtain the scattering characteristics of th...
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