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脈間Costas跳頻脈內(nèi)多載波混沌相位編碼雷達(dá)信號(hào)設(shè)計(jì)與分析

黃瓊丹 李勇 盧光躍

黃瓊丹, 李勇, 盧光躍. 脈間Costas跳頻脈內(nèi)多載波混沌相位編碼雷達(dá)信號(hào)設(shè)計(jì)與分析[J]. 電子與信息學(xué)報(bào), 2015, 37(6): 1483-1489. doi: 10.11999/JEIT140653
引用本文: 黃瓊丹, 李勇, 盧光躍. 脈間Costas跳頻脈內(nèi)多載波混沌相位編碼雷達(dá)信號(hào)設(shè)計(jì)與分析[J]. 電子與信息學(xué)報(bào), 2015, 37(6): 1483-1489. doi: 10.11999/JEIT140653
Huang Qiong-dan, Li Yong, Lu Guang-yue. Design and Analysis of Inter-pulse Costas Frequency Hopping and Intra-pulse Multi-carrier Chaotic Phase Coded Radar Signal[J]. Journal of Electronics & Information Technology, 2015, 37(6): 1483-1489. doi: 10.11999/JEIT140653
Citation: Huang Qiong-dan, Li Yong, Lu Guang-yue. Design and Analysis of Inter-pulse Costas Frequency Hopping and Intra-pulse Multi-carrier Chaotic Phase Coded Radar Signal[J]. Journal of Electronics & Information Technology, 2015, 37(6): 1483-1489. doi: 10.11999/JEIT140653

脈間Costas跳頻脈內(nèi)多載波混沌相位編碼雷達(dá)信號(hào)設(shè)計(jì)與分析

doi: 10.11999/JEIT140653
基金項(xiàng)目: 

航空科學(xué)基金(20112053018)資助課題

Design and Analysis of Inter-pulse Costas Frequency Hopping and Intra-pulse Multi-carrier Chaotic Phase Coded Radar Signal

  • 摘要: 該文在步進(jìn)頻信號(hào)的基礎(chǔ)上,把基于混沌調(diào)制的多載波相位編碼(Multi-Carrier Phase Coded, MCPC)信號(hào)作為子脈沖,用Costas跳頻代替頻率的線性步進(jìn),設(shè)計(jì)出脈間Costas跳頻脈內(nèi)多載波混沌相位編碼(Inter-Pulse Costas frequency hopping and intra-pulse Multi-Carrier Chaotic Phase Coded, IPC-MCCPC)雷達(dá)信號(hào),并對(duì)其模糊函數(shù)及自相關(guān)性能進(jìn)行了研究。仿真分析表明,該文設(shè)計(jì)的信號(hào)繼承了步進(jìn)頻信號(hào)用較小的瞬時(shí)帶寬合成較大的工作帶寬的優(yōu)點(diǎn),同時(shí)有效克服了步進(jìn)頻信號(hào)存在的距離-速度耦合的缺點(diǎn)。脈內(nèi)多載波特性使得這種信號(hào)在保持總帶寬和步進(jìn)頻信號(hào)相等的條件下減少跳頻階數(shù),從而提高信號(hào)處理的數(shù)據(jù)率;混沌調(diào)相的引入使得這種信號(hào)具有更強(qiáng)的保密性;脈間頻率的隨機(jī)跳變使其模糊函數(shù)具有更低的周期性旁瓣。這種信號(hào)眾多的參數(shù)、靈活的結(jié)構(gòu)及較大的調(diào)制復(fù)雜度,增加了偵察接收機(jī)匹配和識(shí)別的難度,從而提高雷達(dá)的反截獲性能。
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出版歷程
  • 收稿日期:  2014-05-19
  • 修回日期:  2015-01-29
  • 刊出日期:  2015-06-19

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