Multi-channel Optimal Amplitude Radio Direction Finding System and Method

A radio direction finding and optimization technology, which is applied in receiver monitoring and other directions, can solve the problems of direction finding sensitivity, accuracy and direction finding speed, and the consistency requirements are not high, so as to reduce the difficulty of system debugging and hardware processing The effect of high difficulty and direction finding accuracy

Active Publication Date: 2018-12-21
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-channel Optimal Amplitude Radio Direction Finding System and Method
  • Multi-channel Optimal Amplitude Radio Direction Finding System and Method

Examples

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Embodiment 1

[0037] As a preferred embodiment of the present invention, with reference to the attached figure 1 , this example discloses:

[0038] Multi-channel optimized amplitude radio direction finding system, including:

[0039] Three pairs of directional antennas with known directional characteristics and fixed one-way;

[0040] The same number as the directional antenna and is used to receive the radio signal received by the directional antenna, and respectively process the amplitude-frequency characteristics of the received radio signal into single frequency data intensity, discrete scanning data, sweep frequency spectrum data, FFT spectrum data or Monitoring and receiving equipment for digital scanning spectrum data;

[0041] The number of the monitoring receiving equipment is the same as the number of directional antennas, and one pair of directional antennas is correspondingly connected to one monitoring receiving equipment.

[0042] A microprocessor used to connect with the m...

Embodiment 2

[0045] As another preferred embodiment of the present invention, with reference to the attached figure 2 , this example discloses:

[0046] Multi-channel optimized amplitude radio direction finding system, including:

[0047] Four pairs of directional antennas with known directional characteristics and fixed one-way;

[0048] It is used to receive the radio signal received by the directional antenna, and process the amplitude-frequency characteristics of the received radio signal into single-frequency data intensity, discrete scan data, sweep spectrum data, FFT spectrum data or digital scan spectrum data monitoring reception equipment;

[0049] The monitoring receiving device refers to a radio receiver, a frequency scanning spectrum analyzer or an FFT spectrum analyzer with multiple monitoring receiving channels; the number of monitoring receiving channels of the monitoring receiving device is the same as the number of directional antennas, and a pair of directional antenna...

Embodiment 3

[0053] As another preferred embodiment of the present invention, with reference to the attached figure 1 , this example discloses:

[0054] Multi-channel optimized amplitude radio direction finding system, including:

[0055] Three pairs of directional antennas with known directional characteristics and fixed one-way;

[0056] The same number as the directional antenna and is used to receive the radio signal received by the directional antenna, and respectively process the amplitude-frequency characteristics of the received radio signal into single frequency data intensity, discrete scanning data, sweep frequency spectrum data, FFT spectrum data or Monitoring and receiving equipment for digital scanning spectrum data;

[0057] The quantity of the monitoring receiving equipment is the same as the quantity of the directional antennas, and one pair of directional antennas is correspondingly connected to one monitoring receiving equipment.

[0058] A microprocessor used to conn...

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Abstract

The invention discloses a multi-channel optimized amplitude comparison radio direction finding system and method and relates to the technical field of radio direction finding. According to the multi-channel optimized amplitude comparison radio direction finding system and method, at least three directional antennas with known direction characteristics are used for receiving radio signals which are then subjected to processing operation, an optimization method is used for direction finding, and a problem that consideration cannot be given to all of direction finding sensitivity, precision and speed via technologies of the prior art can be solved; the high-sensitivity and high-precision amplitude direction finding system and method that have low requirements for part consistency while being capable of rapid direction finding are put forward. The invention also provides the direction finding system capable of calculating required data in an optimized manner, measurement results can be calculated in the optimized manner, real time direction finding operation can be performed rapidly, and stored data can be used for post-event direction finding.

Description

technical field [0001] The invention relates to the technical field of radio direction finding, and more specifically relates to a multi-channel optimized amplitude ratio radio direction finding system and method. 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 into the maximum signal method ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B17/27
CPCH04B17/27
Inventor 邱承跃白宇军
Owner CHENG DU DIAN ZHEN TECH
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