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Digital component proton magnetic instrument

A magnetometer and component technology, applied in the field of magnetometers

Inactive Publication Date: 2004-12-08
稽才建 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, the currently widely used proton precession magnetometer has many deficiencies in the component observation, which is far from meeting the development requirements of the information age. Therefore, the geomagnetic nuclear rotation observation technology should keep up with the development of information technology and network technology. Realize digital observation, transmission and storage

Method used

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  • Digital component proton magnetic instrument
  • Digital component proton magnetic instrument
  • Digital component proton magnetic instrument

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Embodiment Construction

[0106] 1. Specific implementation of digital frequency selective amplification and automatic tracking technology

[0107] The specific method of digital frequency selection is: digitally control the conduction of electronic switches or relays to achieve the purpose of controlling the capacitance value of the matching capacitor network. As shown in accompanying drawing 3, electronic switch K1~K10 among the figure (adopted in the present invention is the electronic switch MAX313 of low on-resistance) and electric capacity C1~C10 have constituted the digital control matching capacitor network, take the value according to the binary position weight relation Ten capacitors and electronic switches are connected in series and then connected in parallel. The ten-bit binary numbers A1~A10 are used as the control inputs of the ten switches, so when different binary numbers are input, the capacitor network will have different capacitance values. The specific values ​​of A1-A10 are the b...

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Abstract

A magnetometer which is composed of digitization frequency-selecting amplifier circuit, digital control current source, single chip computer, clock circuit, communication circuit and relevant control software applies measuring method of frequency in equal period frequency division to carry on measurement for magnetic field intensity according to prin ciple of proton precession. It can carry out measurement for multitype component conbination of F, Z, H, Fe, FH, FHD and FZD under the condition of manual operation or automatic operation according to the setting and it can carry out some other functions based on above principle.

Description

Technical field [0001] The invention relates to a magnetometer for measuring the intensity of the earth's magnetic field by means of proton precession, in particular to a component proton magnetometer capable of digitally measuring the total field and components of the earth's magnetism and having the function of automatically calibrating the compensation current. technical background [0002] At present, the absolute geomagnetic observation instruments commonly used in my country's seismic and geomagnetic observation stations are proton precession magnetometers, which are all evolved from geological and geomagnetic instruments, and have a low degree of automation. In the case of components, one or two constant current sources need to be added to cooperate with the component coils for component observation, and often only manual frequency selection, manual observation and manual calibration can be achieved. The component measurement device modified by using imported instrumen...

Claims

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Application Information

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IPC IPC(8): G01V3/40
Inventor 稽才建夏忠
Owner 稽才建
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