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基于正交壓縮采樣系統(tǒng)的脈沖雷達(dá)回波信號(hào)實(shí)時(shí)重構(gòu)方法

張素玲 席峰 陳勝垚 劉中

張素玲, 席峰, 陳勝垚, 劉中. 基于正交壓縮采樣系統(tǒng)的脈沖雷達(dá)回波信號(hào)實(shí)時(shí)重構(gòu)方法[J]. 電子與信息學(xué)報(bào), 2016, 38(5): 1064-1071. doi: 10.11999/JEIT150767
引用本文: 張素玲, 席峰, 陳勝垚, 劉中. 基于正交壓縮采樣系統(tǒng)的脈沖雷達(dá)回波信號(hào)實(shí)時(shí)重構(gòu)方法[J]. 電子與信息學(xué)報(bào), 2016, 38(5): 1064-1071. doi: 10.11999/JEIT150767
ZHANG Suling, XI Feng, CHEN Shengyao, LIU Zhong. A Real-time Reconstruction Scheme of Pulsed Radar Echoes with Quadrature Compressive Sampling[J]. Journal of Electronics & Information Technology, 2016, 38(5): 1064-1071. doi: 10.11999/JEIT150767
Citation: ZHANG Suling, XI Feng, CHEN Shengyao, LIU Zhong. A Real-time Reconstruction Scheme of Pulsed Radar Echoes with Quadrature Compressive Sampling[J]. Journal of Electronics & Information Technology, 2016, 38(5): 1064-1071. doi: 10.11999/JEIT150767

基于正交壓縮采樣系統(tǒng)的脈沖雷達(dá)回波信號(hào)實(shí)時(shí)重構(gòu)方法

doi: 10.11999/JEIT150767
基金項(xiàng)目: 

國(guó)家自然科學(xué)基金(61171166, 61401210, 61571228),中國(guó)博士后科學(xué)基金(2014M551597)

A Real-time Reconstruction Scheme of Pulsed Radar Echoes with Quadrature Compressive Sampling

Funds: 

The National Natural Science Foundation of China (61171166, 61401210, 61571228), China Postdoctoral Science Foundation (2014M551597)

  • 摘要: 正交壓縮采樣是低速獲取帶通模擬信號(hào)同相和正交分量的新型模信轉(zhuǎn)換系統(tǒng),可廣泛應(yīng)用于雷達(dá)、通信等電子系統(tǒng)。但是對(duì)于寬帶或超寬帶脈沖雷達(dá),重構(gòu)奈奎斯特率的全程回波信號(hào)需要大的存儲(chǔ)空間和計(jì)算量,以致于難以實(shí)現(xiàn)實(shí)時(shí)重構(gòu)。該文在對(duì)正交壓縮采樣系統(tǒng)特性進(jìn)行分析的基礎(chǔ)上,將測(cè)量矩陣近似成一種具有特殊帶狀結(jié)構(gòu)的矩陣,然后采用分段滑動(dòng)重構(gòu)思想實(shí)現(xiàn)實(shí)時(shí)重構(gòu)。仿真結(jié)果表明,在對(duì)測(cè)量矩陣進(jìn)行合理近似的基礎(chǔ)上,該文提出的重構(gòu)方法可以極大地節(jié)省存儲(chǔ)空間和計(jì)算時(shí)間,實(shí)現(xiàn)近似最優(yōu)的重構(gòu)性能。
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出版歷程
  • 收稿日期:  2015-06-29
  • 修回日期:  2016-02-22
  • 刊出日期:  2016-05-19

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