Multi-antenna single-channel optimal ratio-amplitude fluorescent spectrum radio direction finding system and method

A radio direction finding, single-channel technology, applied in radio wave direction/deviation determination systems, direction finders using radio waves, etc., can solve the problems of low consistency, direction finding sensitivity, accuracy and direction finding speed. Taking into account other issues to achieve the effect of low consistency requirements, high direction finding sensitivity, and high direction finding accuracy

Active Publication Date: 2019-01-08
CHENG DU DIAN ZHEN TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The purpose of the present invention is to solve the problem that direction finding sensitivity, accuracy and direction finding speed cannot be balanced in the prior art, and propose a method with high sensitivity and high accuracy, which does not require high consistency of parts and can quickly Amplitude direction finding system and method of direction finding; at the same time, it can also meet the data required for optimal calculation, and can optimize the calculation of measurement results, and quickly perform direction finding

Method used

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  • Multi-antenna single-channel optimal ratio-amplitude fluorescent spectrum radio direction finding system and method

Examples

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Embodiment 1

[0038] As a preferred embodiment of the present invention, with reference to the attached figure 1 , this example discloses:

[0039] Multi-antenna single-channel optimal ratio-amplitude fluorescence spectrum radio direction finding system, including:

[0040] At least three directional antennas with known directional characteristics and directional antennas;

[0041] An electronically controlled radio frequency switch for controlling the communication between multiple directional antennas and monitoring receiving equipment;

[0042] Monitoring and receiving equipment for receiving radio signals received by directional antennas and processing the amplitude-frequency characteristics of the received radio signals into fluorescence spectrum data;

[0043] A microprocessor used to connect with monitoring receiving equipment, process the fluorescence spectrum data measured by the monitoring receiving equipment, and perform radio direction finding;

[0044] The monitoring receivi...

Embodiment 2

[0046] As another preferred embodiment of the present invention, with reference to the attached figure 1 , this example discloses:

[0047] Multi-antenna single-channel optimal ratio-amplitude fluorescence spectrum radio direction finding system, including:

[0048] At least three directional antennas with known directional characteristics and directional antennas;

[0049] An electronically controlled radio frequency switch for controlling the communication between multiple directional antennas and monitoring receiving equipment;

[0050] For receiving the radio signal received by the directional antenna, in this embodiment, the monitoring receiving device processes the amplitude-frequency characteristics of the radio signal received by each directional antenna into fluorescence spectrum data;

[0051] A microprocessor used to connect with monitoring receiving equipment, process the fluorescence spectrum data measured by the monitoring receiving equipment, and perform radio...

Embodiment 3

[0055] As another preferred embodiment of the present invention, with reference to the attached figure 1 , this example discloses:

[0056] Multi-antenna single-channel optimal ratio-amplitude fluorescence spectrum radio direction finding system, including:

[0057] At least three directional antennas with known directional characteristics and directional antennas;

[0058] An electronically controlled radio frequency switch for controlling the communication between multiple directional antennas and monitoring receiving equipment;

[0059] For receiving the radio signal received by the directional antenna, in this embodiment, the monitoring receiving device processes the amplitude-frequency characteristics of the radio signal received by each directional antenna into fluorescence spectrum data;

[0060] A microprocessor used to connect with monitoring receiving equipment, process the fluorescence spectrum data measured by the monitoring receiving equipment, and perform radio...

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Abstract

The invention discloses a multi-antenna single-channel optimal amplitude-comparison fluorescent spectrum radio direction-finding system and method, and relates to the technical field of radio direction-finding. According to the method and the system, radio signals are received by at least three pairs of directional antennas with known directional characteristics, the received radio signals are processed, and direction-finding is performed by an optimization method, so that radio direction-finding is realized first time using the fixed antennas of digital fluorescent spectra, and the problem of quick direction-finding of transient signals and co-frequency signals is solved; the problem that the direction-finding sensitivity, accuracy and speed cannot be compatible in the prior art is solved, and an amplitude direction-finding system and method with high sensitivity, high accuracy and low requirement for consistency of components and capable of realizing quick direction-finding are put forward; meanwhile, a direction-finding system capable of meeting data required by optimal calculation is also provided, and can optimally calculate the measurement result, quickly perform real-time direction finding and perform post direction finding using the stored data.

Description

technical field [0001] The invention relates to the technical field of radio direction finding, and more specifically relates to a radio direction finding system and method for multi-antenna single-channel optimal ratio fluorescence spectrum. Background technique [0002] On the one hand, the development of society promotes the rapid development of the radio industry. As an important technical means for radio monitoring, technical investigation and electronic countermeasures, radio direction finding technology has attracted more and more attention from the industry. According to different direction finding principles, direction finding systems can be divided into amplitude method, phase method, Doppler method, time difference method and spatial spectrum estimation method, etc. [0003] The amplitude direction finding system is widely used in the field of radio direction finding because of its simple structure and stable performance. The amplitude method can be subdivided in...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01S3/14
CPCG01S3/14
Inventor 白宇军邱承跃
Owner CHENG DU DIAN ZHEN TECH
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