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Electronic circuit emi sensitive area positioning measurement system and positioning measurement method based on near-far field transformation algorithm

A transformation algorithm and positioning measurement technology, applied in the measurement of electrical variables, electromagnetic measurement devices, measurement of electricity and other directions, can solve the problem of efficiency and cost being difficult to meet the objective needs of the electronics industry, and achieve improved system reliability, fast operation, and simple structure. Effect

Active Publication Date: 2020-07-31
青岛中电绿网新能源有限公司
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AI Technical Summary

Problems solved by technology

[0002] With the development of electronic circuit systems on the market in the direction of complexity and high speed, the accompanying EMI (Electromagnetic Interference, electromagnetic interference) problem has gradually attracted the attention of the industry. It is difficult to meet the objective needs of the current electronics industry in terms of cost

Method used

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  • Electronic circuit emi sensitive area positioning measurement system and positioning measurement method based on near-far field transformation algorithm
  • Electronic circuit emi sensitive area positioning measurement system and positioning measurement method based on near-far field transformation algorithm
  • Electronic circuit emi sensitive area positioning measurement system and positioning measurement method based on near-far field transformation algorithm

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Embodiment

[0025] refer to figure 1 , the electronic circuit EMI sensitive area positioning measurement system based on the near-far field transformation algorithm of the present embodiment, including

[0026] A two-dimensional scanning platform 1, a port detector 2, and a data processing workstation 3, the two-dimensional scanning platform 1 is used to move the detection antenna 4 connected to the port detector 2 to the target point of the scanning plane and accurately record the detection antenna 4 real-time coordinates; the port detector 2 is used to measure the relative electric field complex amplitude between the detection antenna 4 and the reference antenna 5 at the point where the detection antenna 4 is located; the data processing workstation 3 is used to lower the two-dimensional scanning platform 1 Send the command of the target point, receive and record the real-time coordinates of the detection antenna 4, send the command to the port detector 2 to read the relative electric f...

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Abstract

The invention provides a positioning measurement system and method for an electronic circuit EMI sensitive region based on a near-far field transformation algorithm. The method comprises the steps that a data processing work station transmits a target point location instruction to a two-dimensional scanning platform; the two-dimensional scanning platform enables a detection antenna of a port detector to move to a target point location of a scanning platform, precisely records the real-time coordinates of the detection antenna and transmits the real-time coordinates of the detection antenna tothe data processing work station; the data processing work station transmits an instruction for reading the complex amplitude of a relative electric field between the detection antenna and a referenceantenna at the point location where the detection antenna to the port detector; the port detector measures the complex amplitude of the relative electric field at the point location where the detection antenna, and uploads a measurement value to the data processing work station; the data processing work station carries out the integrated calculation of the position coordinates of a sampling pointscanned in a scanning plane and the parameters of the electric field at the point based on the near-far field transformation algorithm after the data is obtained, and deduces the electromagnetic field distribution of a detected electronic system in a to-be-detected plane. The system is simple in structure, is high in calculation speed, and is low in cost.

Description

technical field [0001] The invention belongs to the technical field of electromagnetic compatibility, and in particular relates to a positioning measurement system and a positioning measurement method for an EMI sensitive area of ​​an electronic circuit based on a near-far field transformation algorithm. Background technique [0002] With the development of electronic circuit systems on the market in the direction of complexity and high speed, the accompanying EMI (Electromagnetic Interference, electromagnetic interference) problem has gradually attracted the attention of the industry. In terms of cost, it is difficult to meet the objective needs of the current electronics industry. For newly designed high-speed circuit systems (such as FPGA, complex controllers and radio frequency electronic modules), designers urgently need a detection method that can quickly detect the EMI distribution characteristics of the circuit system, and provide guidance for further system optimiza...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R31/00G01B7/004
CPCG01B7/004G01R31/002
Inventor 刘鹏
Owner 青岛中电绿网新能源有限公司
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