Millimeter-wave emission characteristics of bilayer radar-infrared compound stealth material

Yayun Cheng; Fei Hu; Feng He; Liang Wu; Xiaoqin He

doi:doi:10.3788/COL201614.062802

Chinese Optics Letters, 2016, 14 (6): 062802, Published Online: Aug. 3, 2018

Millimeter-wave emission characteristics of bilayer radar-infrared compound stealth material Download： 1087次

Yayun Cheng ^1,2Fei Hu ^1,2Feng He ^1,2,*Liang Wu ^1,2Xiaoqin He ^1,2

Author Affiliations

¹ School of EIC, Huazhong University of Science and Technology, Wuhan 430074, China

² National Key Laboratory of Science and Technology on Multi-Spectral Information Processing, Wuhan 430074, China

Figures & Tables

Fig. 1. Schematic of multilayer structure. The left and right ones are MSM-R and BSM-RI, respectively.

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Fig. 2. Schematic of experimental setup. The stealth materials are put on the ground.

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Fig. 3. Monostatic and biostatic RCS of BSM-RI. (a) Monostatic RCS and (b) biostatic RCS under the normal incidence condition.

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Fig. 4. Emissivity comparison at 35 GHz and horizontal polarization: (a) simulation and (b) measurement.

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Fig. 5. Emissivity comparison at 94 GHz and vertical polarization: (a) simulation and (b) measurement.

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Fig. 6. Change of boundary reflectivity at vertical polarization. Original boundary is the boundary between RAM and air. New boundary is the boundary between RAM and infrared stealth layer.

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Fig. 7. Sketch of scenes and corresponding 94 GHz radiometer images: (a) materials including MSM-R and MSM-I, (b) materials including BSM-RI, (c) radiometer image of (a), and (d) radiometer image of (b).

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Fig. 8. Horizontal cuts of radiometer images (along the horizontal solid line in Figs. 7(c) and 7(d)).

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Yayun Cheng, Fei Hu, Feng He, Liang Wu, Xiaoqin He. Millimeter-wave emission characteristics of bilayer radar-infrared compound stealth material[J]. Chinese Optics Letters, 2016, 14(6): 062802.

Millimeter-wave emission characteristics of bilayer radar-infrared compound stealth material Download： 1087次

Fig. 1. Schematic of multilayer structure. The left and right ones are MSM-R and BSM-RI, respectively.

Fig. 2. Schematic of experimental setup. The stealth materials are put on the ground.

Fig. 3. Monostatic and biostatic RCS of BSM-RI. (a) Monostatic RCS and (b) biostatic RCS under the normal incidence condition.

Fig. 4. Emissivity comparison at 35 GHz and horizontal polarization: (a) simulation and (b) measurement.

Fig. 5. Emissivity comparison at 94 GHz and vertical polarization: (a) simulation and (b) measurement.

Fig. 6. Change of boundary reflectivity at vertical polarization. Original boundary is the boundary between RAM and air. New boundary is the boundary between RAM and infrared stealth layer.

Fig. 7. Sketch of scenes and corresponding 94 GHz radiometer images: (a) materials including MSM-R and MSM-I, (b) materials including BSM-RI, (c) radiometer image of (a), and (d) radiometer image of (b).

Fig. 8. Horizontal cuts of radiometer images (along the horizontal solid line in Figs. 7(c) and 7(d)).

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Millimeter-wave emission characteristics of bilayer radar-infrared compound stealth material Download： 1087次

Fig. 1. Schematic of multilayer structure. The left and right ones are MSM-R and BSM-RI, respectively.

Fig. 2. Schematic of experimental setup. The stealth materials are put on the ground.

Fig. 3. Monostatic and biostatic RCS of BSM-RI. (a) Monostatic RCS and (b) biostatic RCS under the normal incidence condition.

Fig. 4. Emissivity comparison at 35 GHz and horizontal polarization: (a) simulation and (b) measurement.

Fig. 5. Emissivity comparison at 94 GHz and vertical polarization: (a) simulation and (b) measurement.

Fig. 6. Change of boundary reflectivity at vertical polarization. Original boundary is the boundary between RAM and air. New boundary is the boundary between RAM and infrared stealth layer.

Fig. 7. Sketch of scenes and corresponding 94 GHz radiometer images: (a) materials including MSM-R and MSM-I, (b) materials including BSM-RI, (c) radiometer image of (a), and (d) radiometer image of (b).

Fig. 8. Horizontal cuts of radiometer images (along the horizontal solid line in Figs. 7(c) and 7(d)).

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