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Flexible electromagnetic scattering regulation and control structure and manufacturing method thereof

An electromagnetic scattering and manufacturing method technology, applied in electrical components, antennas and other directions, can solve the problems of inability to large-scale production and application, complex structure, and high power consumption, and achieve breakthroughs in limited process size, low manufacturing difficulty, and low power consumption. Effect

Active Publication Date: 2020-07-31
NAT UNIV OF DEFENSE TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this kind of metamaterial needs to be processed on the substrate by PCB technology, and a through-hole power supply network needs to be designed. The structure is complex and the cost is high, so it cannot be produced and applied in a large area.
In addition, this structure needs to supply forward voltage to FPGA and diode, and the power consumption is high.

Method used

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  • Flexible electromagnetic scattering regulation and control structure and manufacturing method thereof
  • Flexible electromagnetic scattering regulation and control structure and manufacturing method thereof
  • Flexible electromagnetic scattering regulation and control structure and manufacturing method thereof

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Embodiment 1

[0043] see Figure 1 to Figure 3 In this embodiment, on the basis of the simple cross structure and the Nazi cross structure, a centrally connected square spiral unit is designed as the conductive unit 2 by bending the metal arms at both ends. According to the inference of Professor Ben A. Munk, the conductive unit is a centrosymmetric structure, and the mode interaction zero point is relatively high, so it has good angle and polarization stability. In addition, the conductive unit size of the flexible electromagnetic scattering control structure is small, and the array element spacing is smaller. According to the grating lobe formula, reducing the conductive unit spacing can increase the frequency of grating lobes, and the angle and polarization stability are higher.

[0044] The detailed dimensions of the conductive unit structure are shown in Table 1 below, where w represents the metal line width, s represents the distance from the metal to the cell boundary, a represents t...

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Abstract

The invention provides a flexible electromagnetic scattering regulation and control structure. The structure comprises a flexible dielectric layer and a conductive pattern arranged on the flexible dielectric layer; the conductive pattern comprises conductive units arranged in an array; every two longitudinally adjacent conductive units are connected through a varactor; every two transversely adjacent conductive units are connected through a transverse direct-current bias line, and positive and negative voltage power supply buses are arranged on the two sides of each transverse column to form apower supply network; the varactors arranged in the same transverse row are the same in polarity; the varactors arranged longitudinally and adjacently are opposite in polarity; and all the varactorsare arranged in parallel. The invention further provides a manufacturing method of the electromagnetic scattering regulation and control structure. Flexible conformal coverage can be realized by utilizing the flexible electromagnetic scattering regulation and control structure, a greater role is played in electronic countermeasure, the probability that weaponry is detected is greatly reduced, andthe survivability of the weaponry is improved.

Description

technical field [0001] The invention relates to the technical field of electromagnetic shielding, in particular to a flexible electromagnetic scattering control structure and a manufacturing method thereof. Background technique [0002] Electromagnetic Scattering Characteristic Control Materials have the ability to control the reflection characteristics of incident electromagnetic waves, which are usually realized by frequency selective surfaces. The adjustable frequency selective surface (Frequency Selective Surface, FSS) is a structure that can control the transmission and reflection characteristics of the incident wave and can adjust the characteristics. Its function is equivalent to a spatial filter with adjustable transmission characteristics. It has been applied in FM communication anti-jamming, intelligent radome, electronic countermeasures and other fields. [0003] However, the traditional electromagnetic scattering control structure is mainly processed by the Prin...

Claims

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Application Information

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IPC IPC(8): H01Q15/00
CPCH01Q15/0013H01Q15/002
Inventor 黄贤俊田涛林铭团徐延林刘继斌刘培国
Owner NAT UNIV OF DEFENSE TECH
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