Method for automatically calibrating the field intensity distribution characteristics of electromagnetic reverberation chamber

An electromagnetic reverberation chamber and field strength distribution technology, applied in the fields of electromagnetic field characteristics, measuring electrical variables, instruments, etc., can solve the problem of multi-probes and multi-measurement points that have not been found in the calibration position of the field strength probe, and cannot effectively reflect the field strength of the reverberation chamber Real-time distribution characteristics and other issues

Active Publication Date: 2015-07-22
CHINA SHIP DEV & DESIGN CENT
View PDF5 Cites 16 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the domestic research on the space radio frequency electromagnetic field in the reverberation room mainly focuses on the research on the test method of a single parameter, the test method and automatic control of a single or several parameters. However, the single-point test results cannot effectively reflect the real-time distribution characteristics of the reverberation room field strength. The calibration verification of comprehensive measurement and evaluation of...

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Method for automatically calibrating the field intensity distribution characteristics of electromagnetic reverberation chamber
  • Method for automatically calibrating the field intensity distribution characteristics of electromagnetic reverberation chamber
  • Method for automatically calibrating the field intensity distribution characteristics of electromagnetic reverberation chamber

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0018] The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0019] The invention provides a method for calibrating the field intensity distribution characteristics of an electromagnetic reverberation chamber. figure 1 The test system shown, the test system includes 8 identical field strength sensors, sensor brackets and central processing unit, wherein the sensor bracket is arranged in the field strength, the field strength sensor is installed on the sensor bracket, and the field strength sensor passes through the optical fiber Connected with the central processing unit, eight field strength sensors simultaneously sense the spatial X, Y, and Z three-way electromagnetic field signals, and transmit these 8 signals to the central processing unit through optical fibers for data processing to obtain the field strength distribution of the electromagnetic reverberation chamber characteristic.

[0020] The sensor bracket ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention discloses a method for calibrating the field intensity distribution characteristics of an electromagnetic reverberation chamber. The field intensity of an electromagnetic reverberation chamber can be tested by eight field intensity probes at the same time to acquire the field intensity distribution characteristics. The precision is high, and the speed is high. Spatial field intensity sensors are used to sense spatial 100MHz-18GHz radio-frequency microwave electromagnetic field signals and convert the radio-frequency microwave signals into direct-current signals. The eight channels of signals are transmitted by optical fibers to a data receiving unit after data processing end encoding is carried out and the direct-current signals pass through an electro-optical converter. The field intensity distribution characteristics of the electromagnetic reverberation chamber are calculated and processed through a central processing unit. The method is disclosed to realize accurate measurement of the distribution characteristics of a spatial broadband electromagnetic field. The range of field intensity amplitude measurement is from 1V/m to 200V/m, and the inaccuracy of measurement is 1.5dB.

Description

technical field [0001] The invention relates to the technical field of radio metering, in particular to a method for calibrating the field strength distribution characteristics of an electromagnetic reverberation chamber. Background technique [0002] At present, the domestic research on the space radio frequency electromagnetic field in the reverberation room mainly focuses on the research on the test method of a single parameter, the test method and automatic control of single or several parameters. However, the single-point test results cannot effectively reflect the real-time distribution characteristics of the reverberation room field strength. The calibration verification of comprehensive measurement and evaluation of the performance of the electromagnetic reverberation chamber cannot be realized, and the relevant research on the calibration position of the field strength probe and the simultaneous work of multiple probes and multiple measuring points has not been found...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): G01R35/00G01R29/08
Inventor 朱显明朱传焕张恒萍唐君杨宏雁
Owner CHINA SHIP DEV & DESIGN CENT
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap