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Shielding efficiency monitoring system and monitoring method thereof

A technology of shielding effectiveness and monitoring system, applied in the direction of measuring electricity, measuring devices, measuring electrical variables, etc., can solve the problems of not very economical, increase the cost of system equipment, etc., and achieve the effect of simplifying operation, improving portability, and reducing costs

Active Publication Date: 2015-05-20
北京赫安测评技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, these two methods are not very economical, and the increase in the dynamic range of more than ten dB often leads to a multiplied increase in the cost of system equipment.
PA and LNA design can be challenging when designing system equipment

Method used

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  • Shielding efficiency monitoring system and monitoring method thereof
  • Shielding efficiency monitoring system and monitoring method thereof
  • Shielding efficiency monitoring system and monitoring method thereof

Examples

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Embodiment Construction

[0026] The specific implementation of the present invention will be described below in conjunction with the examples.

[0027] Such as figure 1 Shown is a structural diagram of the shielding effectiveness monitoring system of the present invention. The shielding effectiveness monitoring system of the present invention generally includes: a central controller 101 , a radio frequency module 102 , a display module 103 , a user interface 104 , a remote communication module 105 , a power management module 106 and an antenna 107 .

[0028] The central controller 101 is used to coordinate the normal operation of the radio frequency module 102, the display module 103, the user interface 104, the remote communication module 105, the power management module 106 and the antenna 107; The digital data is analyzed and processed, and the shielding effectiveness is obtained through the signal strength difference with or without the shield or the path loss difference with or without the shiel...

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Abstract

The invention provides a shielding efficiency monitoring system, which comprises a central controller, a radiofrequency module, a user interface, a power management module and an antenna. The invention further provides a shielding efficiency monitoring method applied to the shielding efficiency monitoring system. By the aid of the shielding efficiency monitoring system and the shielding efficiency monitoring method with the design, cost can be reduced, portability of the system is improved, and operation is simplified.

Description

technical field [0001] The invention relates to the field of electromagnetic compatibility monitoring, in particular to a shielding effectiveness monitoring system and a monitoring method thereof. Background technique [0002] The signal source of the existing shielding effectiveness monitoring system is a point frequency (single frequency point) signal source. The shielding performance is determined by the difference between the electromagnetic field strength with and without the shielding body through the electromagnetic field strength measured by the spectrum analyzer or the measuring receiver through the antenna. [0003] Existing shielding effectiveness testing systems all use spectrum analyzers or measuring receivers to measure signal strength, which is expensive. [0004] From the perspective of measurement principle, in order to measure higher shielding effectiveness, that is, to increase the dynamic range of the monitoring system, the monitoring system can increase...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R29/08G01R31/00
Inventor 吕致恒朱安东
Owner 北京赫安测评技术有限公司