Wave-transmitting/stealth integrated metamaterial structure and radome and antenna window with same
A metamaterial and wave-transmitting technology, which is applied in the field of radome and antenna window, can solve the problems that the reflection effect of metal structure cannot be ignored, the technology is difficult to meet the demand, and the processing technology is complicated, so as to improve the electromagnetic stealth effect, reduce the thickness and weight, The effect of strong stealth performance
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Embodiment 1
[0047] When p=8mm, the remaining parameters of the structure are a=0.38p=3mm, b=0.75p=6mm, c=0.5p=4mm, α=30°, d=2atan(α / 2)=1.6mm, w =0.19p=1.5mm, material square resistance R is 5Ω / □,
[0048] image 3 It shows the test results of the wave transmission characteristics of the wave transmission / stealth integrated metamaterial structure provided according to Embodiment 1 of the present invention. It can be seen from the wave transmission rate curve that the passband of the structure with a wave transmission rate above 60% is 7~ 8.3GHz, bandwidth 1.3GHz, L, S-band wave transmission rate below 15%, within the range of 0-30° incident angle, it has stable wave transmission / stealth effect.
Embodiment 2
[0050] When p=7mm, the remaining parameters of the structure are a=0.39p=2.7mm, b=0.43p=3mm, c=0.43p=3mm, α=30°, d=2atan(α / 2)=1.45mm, w=0.29p=2mm, the square resistance R of the material is 1Ω / □.
[0051] Figure 4 It shows the test results of the wave transmission characteristics of the wave transmission / stealth integrated metamaterial structure provided according to Embodiment 1 of the present invention. From the wave transmission rate curve, it can be seen that the passband of the structure with a wave transmission rate above 60% is 7.5~ 9.5GHz, bandwidth 2GHz, L and S-band wave transmission rate below 10%, within the range of 0-30° incident angle, it has stable wave transmission / stealth effect.
[0052] For the convenience of description, spatially relative terms may be used here, such as "on ...", "over ...", "on the surface of ...", "above", etc., to describe the The spatial positional relationship between one device or feature shown and other devices or features. It ...
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