Interference detection apparatus and electromagnetic wave signal receiving device

By controlling the antenna power supply status and combining it with the output signal of the receiver module, interference in electromagnetic wave signal receiving equipment can be identified, solving the problem of broadband interference identification and improving the anti-interference performance and cost-effectiveness of the equipment.

CN224459788UActive Publication Date: 2026-07-03UNICORE COMM INC
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
UNICORE COMM INC
Filing Date
2025-08-05
Publication Date
2026-07-03

AI Technical Summary

Technical Problem

Existing technologies struggle to effectively identify and distinguish broadband interference signals, leading to a decline in the performance of electromagnetic wave signal receiving equipment, especially in complex electromagnetic environments, particularly for GNSS signal receiving equipment.

Method used

By controlling the power supply status of the antenna unit and combining the output signal of the automatic gain control unit or intermediate frequency signal power detection unit in the receiver, it is determined whether there is interference. Interference detection is performed using the antenna feed module and control module.

Benefits of technology

It achieves effective detection of various types of interference, reduces hardware costs, improves the anti-interference capability of electromagnetic wave signal receiving equipment, and is suitable for complex electromagnetic environments.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an interference detection device and electromagnetic wave signal receiving equipment. The interference detection device is applied to the electromagnetic wave signal receiving equipment including antenna unit and receiver, and it includes: antenna feed module and control module, the power supply end of antenna unit is connected to antenna feed module, the switch control end of antenna feed module is connected to the switch signal output end of control module, and it is used for according to the power supply or power off of antenna unit to received switch signal, control module includes at least one interference judgment signal input, interference judgment signal input connects the gain signal output end of automatic gain control unit that sets up on signal receiving channel in receiver, control module is used for according to the first gain signal and second gain signal of received, determines whether the signal receiving channel exists interference. Detection device simple structure, low in hardware cost can carry out effective detection to multiple interference types.
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