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Method and device for crosstalk compensation

A technology for compensating signals, extracting devices, applied in the direction of measuring devices, parts of particle separator tubes, instruments, etc., capable of solving problems such as errors

Active Publication Date: 2019-07-02
THERMO FISHER SCI BREMEN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

These patterns may be misinterpreted as masses in a Fourier transform mass spectrometer

Method used

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  • Method and device for crosstalk compensation
  • Method and device for crosstalk compensation
  • Method and device for crosstalk compensation

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Embodiment Construction

[0100] Hereinafter, exemplary embodiments of the present invention will be described with reference to the accompanying drawings. These embodiments are provided to provide a further understanding of the invention, not to limit its scope.

[0101] In the following description, a series of features and / or steps are described. The skilled artisan will understand that, unless required by the context, the order of the features and steps is immaterial to the resulting configuration and its effect. Furthermore, it will be apparent to those skilled in the art that, regardless of the order of features and steps, time delays between steps or the presence or absence of simultaneous performance may exist in some or all of the described steps.

[0102] figure 1 A block diagram schematically describing the steps of the method of the invention is shown. The description of the method also refers to the Figure 3a , 3b , 3c is carried out.

[0103] The method can be applied to a system c...

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Abstract

The invention discloses a method for eliminating an added crosstalk signal 102 from a measured data signal 20 which is generated by an image current, preferably in a Fourier transform mass spectrometer. The method comprises: extracting a decoupled disturbance signal 10 from the source 100 of electromagnetic disturbance which is inducing the added crosstalk signal; conditioning the disturbance signal by applying one or more phase shifts and / or amplitude amplifications so as to obtain a compensation signal 16 that essentially corresponds to an inverted signal of the added crosstalk signal; and providing the measured data signal and the compensation signal to an adding module 220 in which said signals are superimposed. The extraction device 103 for extracting the decoupled disturbance signalmay be an impedance component such as an antenna or an additional winding of a transformer.

Description

technical field [0001] The invention relates to a method for eliminating crosstalk signals added to a measurement data signal generated by an image current. The added crosstalk signal is induced to the measurement data signal by the source of electromagnetic interference. Further, a signal processing unit for implementing the method is provided. Furthermore, the present invention relates to a Fourier transform mass spectrometer in which a method for eliminating the added crosstalk signal can be applied. Background technique [0002] Indirect measurement of charge can be done by current-like effects induced to the measuring electrodes. Charges can be associated with electrons, charged atoms or molecules which can be gaseous, liquid or solid. Charged atoms or charged molecules are called ions and can have a specific charge state when they have a charge q equal to z times the elementary charge e (e=1,602192*10 - 19 C). Then, z is the charge number of the charge state. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01J49/42G01N27/62H01J49/00H01J49/02
CPCH01J49/425H01J49/0036G01N27/62H01J49/02H01J49/027H01J49/4245H01J49/282
Inventor A·霍洛弥夫G·奎林F·岑佩尔
Owner THERMO FISHER SCI BREMEN
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