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High sensitive isotropic space electromagnetic wave leakage detecting probe

An isotropic, high-sensitivity technology, applied in the field of electromagnetic wave detection, can solve problems such as leakage, achieve high measurement accuracy and sensitivity, and solve the effect of low repetition frequency pulse modulation source leakage measurement

Inactive Publication Date: 2005-01-19
UNIV OF ELECTRONICS SCI & TECH OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This type of probe still needs to rotate when measuring, so it can only measure the leakage of continuous wave sources

Method used

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  • High sensitive isotropic space electromagnetic wave leakage detecting probe
  • High sensitive isotropic space electromagnetic wave leakage detecting probe
  • High sensitive isotropic space electromagnetic wave leakage detecting probe

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Experimental program
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Embodiment Construction

[0028] The composition of the antenna array is to open a rectangular groove 13 at the center of the bottom edge of the semicircle thin plate 14, insert the bottom edge of the triangular thin plate 7 in the bottom edge groove 13 of the semicircle thin plate 14, make the two thin plates perpendicular to each other, and the bottom The centers (8, 12) of the sides coincide, and three mutually perpendicular rectangular copper strips are respectively etched on the semicircular thin plate 14 and the triangular thin plate 7, and the distribution positions are as follows: figure 2 , 3 As shown; thus forming three pairs of concentric and mutually perpendicular dipoles (two rectangular copper strips whose spatial positions are on a straight line form a pair of dipoles). Weld Schottky diodes and signal leads at the center of each pair of dipoles, and pay attention to keep the insulation between the three dipoles and signal lines, such as Figure 4 shown.

[0029] Such as Figure 5 As ...

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PUM

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Abstract

This invention provides a probe of isotropy space electromagnetic wave leakage with high accuracy and it forms aerial array by three co-vertical coaxal dipoles and three highly accurate detector diodes. The whole aerial array is sealed in the probe cover made from polyethylene material and uses six core barrier line to lead three group of signals. Due to its special structure, the probe has isotropy and needn't turn probe head when measuring space electromagnetic wave leakage. And it also solves the problem of measuring the leakage of low repeating frequency impulse radiation source.

Description

Technical field: [0001] The invention belongs to the field of electromagnetic field technology, and in particular relates to electromagnetic wave detection technology. Background technique [0002] Space electromagnetic wave leakage detection takes weak electromagnetic radiation as the test object, and is one of the important research contents in the research directions of environmental monitoring, environmental protection, electromagnetic compatibility and bioelectronic effects. The space electromagnetic wave leakage detection sensor is the core device for this test. At present, space electromagnetic leakage probes mostly adopt a planar two-dimensional structure, such as figure 1 As shown, the monopoles 1 and 2 form a dipole, and the two pins of the detection diode 3 are respectively welded on the monopoles 1 and 2, and the two pairs of dipoles are perpendicular to each other to form a space electromagnetic leakage of the existing planar two-dimensional structure Probe, w...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R29/08
Inventor 童玲刘铁军刘华
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA