Method for improving uniformity of internal field intensity in horizontal-polarized bounded wave electromagnetic pulse simulator

A technology of electromagnetic pulse and horizontal polarization, which is applied in the direction of measuring interference from external sources, instruments, measuring electricity, etc., to achieve the effect of improving performance, improving simulator performance, and increasing the effective experimental area

Active Publication Date: 2019-08-16
NORTHWEST INST OF NUCLEAR TECH
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  • Method for improving uniformity of internal field intensity in horizontal-polarized bounded wave electromagnetic pulse simulator
  • Method for improving uniformity of internal field intensity in horizontal-polarized bounded wave electromagnetic pulse simulator
  • Method for improving uniformity of internal field intensity in horizontal-polarized bounded wave electromagnetic pulse simulator

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Embodiment Construction

[0040] In order to enhance the uniformity of the internal field strength of the horizontally polarized simulator, this application adopts a simulator composed of eccentric arc cables from the bottom of the cone to the ground, so as to realize the uniformity enhancement of the internal field strength of the simulator. Below in conjunction with accompanying drawing, the present invention is further described through embodiment.

[0041] The structure of this embodiment is as figure 1 As shown, assume that the height of the simulator is 15m, the length w=72m and the distance d=48m of two parallel straight lines intersecting between the conventional simulator and the ground. The position of the projection of the double cone center point on the ground is O 1 Point, the position of the center point of the arc on the right after the intersection of the new simulator and the ground O 2 point, the distance between two points is d 2 . The new simulator in this embodiment intersects ...

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Abstract

The invention proposes a method for improving uniformity of internal field intensity in a horizontal-polarized bounded wave electromagnetic pulse simulator. By the method, the uniformity of the fieldintensity within a certain range in the simulator is improved, the area of an effective experiment region for EMP effect experiment is expanded, and the performance of the simulator is finally improved. According to the method, the shapes of two side pole plates of the simulator on ground are changed to two symmetric eccentric arcs from two equal-length parallel straight lines, the symmetric axisof the two symmetric eccentric arcs is x axis, the size dk of an opening formed in end parts of the two symmetric eccentric arcs is equivalent to a range of a test region in a z direction, the circlecenters of the left-side eccentric arc and the right-side eccentric arc are respectively arranged at a right side and a right side of an O1 point of the z axis, metal lines are respectively pulled from the bottoms of dual cones of the simulator to the two symmetric eccentric arcs on the ground to form the pole plates at the two sides of the simulator, and the simulator with the improved field intensity uniformity is obtained.

Description

technical field [0001] The invention relates to a method for enhancing the uniformity of the field strength in the internal test area of ​​a horizontally polarized bounded wave electromagnetic pulse simulator. Background technique [0002] In order to systematically study the electromagnetic pulse (electromagnetic pulse, EMP) effect and reinforcement measures of electronic systems, it is necessary to establish electromagnetic pulse simulation equipment. At present, the existing horizontally polarized environmental simulation equipment at home and abroad mainly includes biconical cage radiation wave antennas and horizontally polarized bounded wave electromagnetic pulse simulators. [0003] Although the biconical cage radiation wave antenna has the advantages of constant impedance, wide frequency band and good uniformity of the field parallel to the axis of the biconical antenna, it needs a large diameter and sufficient length to obtain a sufficiently large effective experimen...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/00
CPCG01R31/001
Inventor 朱湘琴张国伟吴伟王海洋杜太焦谢霖燊
Owner NORTHWEST INST OF NUCLEAR TECH
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