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A frequency scanning strategy optimization method

A technology of frequency scanning and optimization methods, which is applied in structured data retrieval, database design/maintenance, special data processing applications, etc., can solve the problems of key radiation source signals that cannot be focused on, low resource utilization, and low probability of interception, etc. Achieve the effects of reducing scanning time and resource consumption, efficient reconnaissance, and improving utilization

Active Publication Date: 2020-07-14
SOUTHWEST CHINA RES INST OF ELECTRONICS EQUIP
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  • Application Information

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Problems solved by technology

[0005] (2) Although the traditional wide-band uniform scanning method takes into account a wide range of frequency domains, it will waste a lot of resources in the frequency bands without signals, the resource utilization rate is low, and the interception probability is low, and it takes a long time. Pay attention, this method is more suitable for unknown signals

Method used

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  • A frequency scanning strategy optimization method
  • A frequency scanning strategy optimization method

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specific Embodiment 1

[0028] A frequency scanning strategy optimization method, the specific method is: select a radiation source object that needs frequency scanning; for more than two radiation sources, according to their respective frequency scanning strategy parameters, formulate and optimize the frequency scanning strategy for the radiation source objects; Frequency scan policy parameters include minimum scan dwell time MDT, maximum scan dwell time EDT and revisit time RVT, etc.;

[0029] The method of scanning strategy optimization includes, for the radiation sources with the same revisit time, as a group of frequency scanning objects; wherein, the minimum scanning dwell time value and the maximum scanning dwell time corresponding to the radiation source with the largest minimum scanning dwell time value Value and revisit time value, as the minimum scan dwell time value, maximum scan dwell time value and revisit time value of this group of frequency scan objects; the value with the largest imp...

specific Embodiment 2

[0034] On the basis of specific embodiment 1, the method for optimizing the scanning strategy further includes: performing pairwise comparisons between frequency scanning object groups, and comparing the minimum scanning dwell time value and the group with a long revisit time. Whether the maximum scan dwell time value is both shorter than the minimum scan dwell time value and the maximum scan dwell time value of the group with short revisit time, if so, merge the radiation sources with long revisit time into the revisit time The short group is used as a group of frequency scanning objects, and the importance value in the merged group is modified to the value with the largest importance value in the two groups before merging, and other values ​​remain unchanged; until all frequency scanning object groups are compared End; all the frequency scanning object groups include the newly merged frequency scanning object group. If there is a group of C that takes longer to revisit than ...

specific Embodiment 3

[0036] On the basis of the specific embodiment 1 or 2, the scanning strategy optimization method further includes, comparing a certain group of frequency scanning objects with other groups of frequency scanning objects, if the certain group of frequency scanning objects satisfy Then the scan dwell time MDT of this signal N It can be excluded and merged with another group, and the two can be merged MDT to take MDT MIN , under the premise of keeping the expected intercept probability unchanged, by reducing the maximum scan time MDT MAX to reduce resource consumption; then the two groups of frequency scanning objects for comparison are merged into one group; in the merged group, the MDT value takes the value of the smallest MDT value among the two groups of frequency scanning objects, and the EDT value takes two groups The maximum value in the group frequency scanning object, the RVT value takes the minimum value in the two groups of frequency scanning objects, and the importa...

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Abstract

The invention provides a frequency scanning strategy optimizing method. The method includes the steps that radiation source objects which need frequency scanning are selected; for more than two radiation sources, and according to respective frequency scanning strategy parameters, the radiation source object is subjected to frequency scanning strategy making and optimizing; the frequency scanning strategy parameters include the minimum scanning dwell time MDT, the maximum scanning dwell time EDT and re-visit time RVT. Compared with the prior art, according to different tasks and radiation source objects, a corresponding frequency scanning strategy is designed, through flexible calling on reconnoiter resources, wide-frequency-band high-efficiency reconnoiter on multi-radiation-source signals is achieved, the utilization rate of the resources is improved, and the problems of high costs and the like due to resource stacking are avoided.

Description

technical field [0001] The invention relates to a signal processing and control technology oriented to electronic engineering applications, in particular to an optimization and formulation of a frequency scanning strategy suitable for a signal reconnaissance system. Background technique [0002] Signal reconnaissance systems are primarily used to detect signals generated by radiation sources of interest. Signal reconnaissance systems are used in the fields of radio detection and communication. They need to intercept and monitor signals in a wide frequency range, and also need to detect signals generated by one or more different radiation sources at the same time. As the environment becomes more and more complex, the reconnaissance system needs to cover a wide frequency range at the same time, and the number of radiation source signals that need to be reconnaissance is greatly increased, but the resources of the reconnaissance system are limited, subject to constraints such a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F16/21
CPCG06F16/211
Inventor 袁磊谭瑞捷林睿王松煜刘湘德
Owner SOUTHWEST CHINA RES INST OF ELECTRONICS EQUIP
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