A Fast Microwave Imaging Method
A microwave imaging and fast technology, applied in the radio wave measurement system, radio wave reflection/re-radiation, instruments, etc., can solve the problems of slow inversion speed, achieve high inversion speed, high image quality, and reduce the amount of calculation Effect
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[0083] like Figure 4 Example 1 is a ball having two radius of 0.5λ, and the relative dielectric constant of two balls is 1.5, and their center coordinates are (0, 0.5λ, 0), (0, 0.5λ, 0). During the iteration of MS-DBIM-MLGFIM, the imaging area was discrete to 32 × 32 × 32 mesh, through 18 iterations, Figure 5 For the imaging result of the method of the invention, Figure 5 (A), (b), (c) are cross-sectional views of Z = 0, x = 0, y = -0.5λ, respectively, respectively. It can be seen that the inversion algorithm MS-DBIM-mLGFIM can accurately perform the position and size of two balls, and can estimate that their relative dielectric constant is approximately 1.5.
[0084] Simulation Example 2
[0085] In order to further verify the effectiveness of the proposed method, the method is tested with a more complex design goal. This unknown consists of two spheres and U-shaped structures, such as Image 6 Indicated. The balls of the two spheres are located in (0, -0.5λ, 0.4λ), (0, 0.5λ, 0.4λ...
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