A Fast and Automatic Searching Algorithm of Periodic and Symmetric Patterns Based on Accumulative Transformation Technique

FAN Fu-hua; ZHANG Wan-jun; TAN Ying

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A Fast and Automatic Searching Algorithm of Periodic and Symmetric Patterns Based on Accumulative Transformation Technique

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- A Fast and Automatic Searching Algorithm of Periodic and Symmetric Patterns Based on Accumulative Transformation Technique
- Acta Electronica Sinica Vol. 33, Issue 7, Pages: 1266-1270(2005)
- 作者机构：
  
  1. 解放军电子工程学院,安徽,合肥,230037
  2. 中国科学技术大学,安徽,合肥,230027
  3. 解放军电子工程学院安徽合肥,230037
  4. 中国科学技术大学安徽合肥,230027
- 作者简介：
- 基金信息：
- DOI：
  CLC： TP301.6
- Published：2005
- 稿件说明：
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FAN Fu-hua, ZHANG Wan-jun, TAN Ying. A Fast and Automatic Searching Algorithm of Periodic and Symmetric Patterns Based on Accumulative Transformation Technique[J]. Acta Electronica Sinica, 2005, 33(7): 1266-1270.
DOI：

FAN Fu-hua, ZHANG Wan-jun, TAN Ying. A Fast and Automatic Searching Algorithm of Periodic and Symmetric Patterns Based on Accumulative Transformation Technique[J]. Acta Electronica Sinica, 2005, 33(7): 1266-1270. DOI：

摘要

借鉴平面变换技术

将密集雷达脉冲序列映射成平面位图矩阵

并提出自动搜索周期性对称调制模式的快速算法

用于分选密集信号环境下PRI受周期性对称调制的雷达脉冲.大量的仿真试验结果表明算法在密集信号环境下

分选PRI是周期性对称调制的雷达脉冲的平均准确率达到92%

平均漏选率只有5%

极大地提高了雷达脉冲分选的效率和准确性.最后给出模式搜索时间、脉冲分选平均准确率和平均漏选率随脉冲密度变化的结论.

Abstract

By borrowing ideas from the plane transformation technique

the dense radar pulse stream is mapped into a 2-D plane matrix.And a new algorithm for fast searching the periodic and symmetric patterns is proposed and applied to deinterleave the complex radar pulses with pulse repetition interval (PRI) modulated by a periodic and symmetrical function in dense pulse environments.Extensive experimental results show that the averaged accurate rate of this algorithm for deinterleaving the complex radar pulses with a periodic and symmetrical PRI in dense environments is about 92% and averaged missing rate is merely 5%.At last

conclusions that the pattern searching time

the averaged accurate rate and missing rate of this algorithm vary as the density of radar pulse stream

are given in details and presented in figures.

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