| 宽带信号的失真分析与改善 |
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| 引用本文： | 徐玮,李涛,张涛,董锦. 宽带信号的失真分析与改善[J]. 火控雷达技术, 2014, 0(2): 48-52 |
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| 作者姓名： | 徐玮 李涛 张涛 董锦 |
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| 作者单位： | 西安电子工程研究所,西安710100 |
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| 基金项目： | 装备预先研究项目（40405020101） |
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| 摘 要： | 高分辨雷达需要高质量的宽带信号,工程中的发射激励信号由于存在宽带失真,大大限制了信号处理的脉冲压缩性能。本文从一种宽带波形产生器的研制入手,分析了信号产生中出现宽带失真的原因及表现形式,并通过预失真等数字校正的方法,改善了宽带发射激励信号的质量,获得了满意的脉压效果。
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| 关 键 词： | 宽带信号 信号失真 脉冲压缩 预失真 |
Analysis and Improvement on Distortion of Wide-band Signal |
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| Xu Wei,Li Tao,Zhang Tao,Dong Jin. Analysis and Improvement on Distortion of Wide-band Signal[J]. Fire Control Radar Technology, 2014, 0(2): 48-52 |
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| Authors: | Xu Wei Li Tao Zhang Tao Dong Jin |
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| Affiliation: | (Xi＇ an Electronic Engineering Research Institute, Xi＇ an 710100) |
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| Abstract: | Wide-band signals with high-quality are required by high resolution radars. Due to wide-band distortion existed in transmission exciting signal in engineering, the performance of pulse compression in signal processing has been limited greatly. Starting from development of a wide-band waveform generator, the cause and manifestation of wide -band distortion occured in generating signal is analyzed, and the quality of wide -band transmission exciting signal is improved by using digital correction methods like pre-distortion to obtain satisfying pulse compression effectiveness. |
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| Keywords: | wide-band signal distortion of signal pulse compression pre-distortion |
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