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Database-assisted autonomous clustering signal sorting method and system

A sorting system and database technology, applied in the field of signal sorting, can solve the problems of small signal sorting scheme with budget, signal sorting processing can not be carried out in real time, huge calculation amount, etc.

Active Publication Date: 2021-05-25
清源智翔(重庆)科技有限公司 +1
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Problems solved by technology

[0004] An important performance index of pulse descriptor recognition based on template matching is real-time performance. If the matching method is implemented in software, it will require a huge amount of calculation, and even cause the signal sorting process to be unable to be performed in real time. Therefore, a parallel hardware structure must be relied on to achieve real-time matching
However, in the prior art, no hardware structure is used to achieve a signal sorting scheme that matches real-time performance and has a small budget

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  • Database-assisted autonomous clustering signal sorting method and system
  • Database-assisted autonomous clustering signal sorting method and system
  • Database-assisted autonomous clustering signal sorting method and system

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[0033] The present invention will be described in detail below in conjunction with the accompanying drawings. However, it should be understood that the accompanying drawings are provided only for better understanding of the present invention, and they should not be construed as limiting the present invention.

[0034] Such as figure 1 As shown, the database-assisted autonomous clustering signal sorting method provided by the present invention comprises the following steps:

[0035] 1) Obtain the radiation source pulse signal to be sorted, and extract the radiation source description word (PDW) of the radiation source pulse signal, wherein the radiation source description word (PDW) includes pulse angle of arrival (DOA), pulse frequency (RF) , Pulse Width (PW), Pulse Amplitude (PA) and Intra-pulse Modulation Characteristic (MC) and other modulation identification parameters.

[0036] 2) The radiation source description word templates of various types of radiation sources are ...

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Abstract

The invention relates to a database-assisted autonomous clustering signal sorting method and system, and the method is characterized in that the method comprises the following steps: 1), obtaining a to-be-sorted radiation source pulse signal, and extracting a radiation source description word of the radiation source pulse signal; 2) storing the radiation source description word templates of various types of radiation sources in a database; 3) matching the extracted radiation source description word with a radiation source description word template in a database by a correlation comparator, and sorting the pulse type of the radiation source pulse signal to be sorted; and 4) storing the sorted radiation source pulse signals of the corresponding pulse types by the multi-path FIFO memory. The signal sorting method can be widely applied to the technical field of signal sorting.

Description

technical field [0001] The invention relates to a database-assisted autonomous clustering signal sorting method and system, and belongs to the technical field of signal sorting. Background technique [0002] After intercepting the pulse signal from the dense signal environment, various characteristic parameters of the pulse are extracted to form a pulse description word (PDW). The extracted features usually include pulse time of arrival (TOA), pulse angle of arrival (DOA), and pulse frequency (RF). , pulse width (PW) and intra-pulse modulation information, etc. These features can be estimated by fast algorithms and obtained instantaneously during the pulse capture process, which is suitable for pre-sorting the pulse sequence. On the one hand, pre-sorting can dilute the pulse current density, so that the subsequent fine sorting (such as sorting based on PRI) and signal processing can improve the efficiency; Prioritize countermeasures. [0003] In the process of pulse pre-so...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F16/906G06K9/00
CPCG06F16/906G06F2218/12
Inventor 黄嘉姚兰
Owner 清源智翔(重庆)科技有限公司
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