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Nuclear quadrupole resonance detection system and antenna thereof

A resonance detection, nuclear quadrupole moment technology, applied in magnetic resonance measurement, antenna, loop antenna and other directions, can solve the problem of anti-interference ability and high signal-to-noise ratio contradiction

Active Publication Date: 2018-08-17
MAISONBURG SHENZHEN TECH DEV CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

It aims to solve the contradiction between anti-interference ability and high signal-to-noise ratio in traditional technical solutions

Method used

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  • Nuclear quadrupole resonance detection system and antenna thereof
  • Nuclear quadrupole resonance detection system and antenna thereof
  • Nuclear quadrupole resonance detection system and antenna thereof

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Embodiment Construction

[0035] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0036] like Figure 1 to Figure 4As shown, the embodiment of the present invention provides a nuclear quadrupole resonance detection system. Specifically, the nuclear quadrupole resonance detection system described in this embodiment includes: an antenna for nuclear quadrupole resonance detection, an electric pulse sequence power Amplifier 200 and signal receiving unit 300 .

[0037] Among them, such as figure 1 As shown, the antenna for nuclear quadrupole resonance detection is a gradient antenna composed of a group of two coils, which can eliminate received external interference signals when re...

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Abstract

The invention belongs to the technical field of application of nuclear quadrupole resonance (NQR) and geomagnetic field nuclear magnetic resonance systems, provides a NQR detection system and an antenna thereof. The antenna comprises a first coil which forms a first pattern; a second coil which forms a second pattern; and a gradient antenna composed of the first coil and the second coil and used for receiving radio-frequency interference from target area signals and the outside; wherein the first coil and the second coil are located on the same plane, and the winding directions of the first coil and the second coil are opposite, the second pattern is evenly distributed around the first pattern, and the area of the first pattern is equal to the that of the second pattern. The capacity of the antenna for suppressing radio interference in the environment when the antenna is used for detecting the NQR or applied to the ground magnetic resonance can be effectively improved. The signal detection capability is enhanced, so that the signal noise ratio of the measurement system is improved.

Description

technical field [0001] The invention belongs to the application technical field of nuclear quadrupole moment resonance and geomagnetic field nuclear magnetic resonance system, and in particular relates to a nuclear quadrupole moment resonance detection system and an antenna thereof. Background technique [0002] The signal extracted by nuclear quadrupole moment resonance technology objectively reflects the electric quadrupole moment structure of the nucleus under a specific material structure, so this technique can be used to detect and analyze elements or isotopes containing quadrupole moment nuclear structure, such as Nitrogen 14 (N14), Potassium 39, Chlorine 35 and Chlorine 37, thereby enabling the presence of substances containing this element or isotope to be determined. In particular, explosives, nicotine, and drugs generally contain N14, and explosives are a common means used by terrorists to threaten modern society. Reliable detection of them is a necessary procedure...

Claims

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Application Information

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IPC IPC(8): G01R33/34H01Q1/36H01Q1/52H01Q7/00
Inventor 张通胜
Owner MAISONBURG SHENZHEN TECH DEV CO LTD
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