| 伪随机码调相跳频信号的波形设计及距离处理 |
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| 引用本文： | 吕红,宋志坚.伪随机码调相跳频信号的波形设计及距离处理[J].国外电子元器件,2008,16(8). |
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| 作者姓名： | 吕红 宋志坚 |
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| 作者单位： | 1. 天津工程师范学院,天津,300222
2. 天津渤海精细化工有限公司,天津,300300 |
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| 摘 要： | 讨论了伪随机码调相跳频信号的表达形式和特点,并根据雷达系统的需求和参数设计的约束条件设计信号的波形;研究了回波信号的处理方法.根据信号的跳频和编码特性,距离处理分为编码测距和频间距离处理.利用伪随码的相关特性,对回波信号进行采样,提取与发射信号相关的距离信息;对于不同频率闹的距离处理,考虑到跳频产生的不同多普勒频率的影响,所以首先进行速度门的校正和相位补偿.MATLAB仿真结果表明,两种距离处理方法均可获得较为理想的距离信息.
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| 关 键 词： | 高频雷达 跳频信号 相位编码 波形设计 信号处理 |
Waveform design and space dispose of pseudo-random coded phase-modulation frequency-hopping signal |
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| LV Hong,SONG Zhi-jian.Waveform design and space dispose of pseudo-random coded phase-modulation frequency-hopping signal[J].International Electronic Elements,2008,16(8). |
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| Authors: | LV Hong SONG Zhi-jian |
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| Affiliation: | LV Hong1,SONG Zhi-jian2(1.Tianjin University of Technology , Education,Tianjin 300222,China,2.Tianjin Bohai Fine Chemical Co.Ltd,Tianjin 300300,China) |
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| Abstract: | In this paper,the expression form and characteristics of pseudo-random coded phase-modulation frequency-hopping signal are discussed,moreover the parameter design of signal according to the need of radar system and constraint conditions of parameter is analyzed.Then dispose ways to a echo signal is studied,according to frequency-hopping and code characteristic of signal,and distance of the processing can use two kinds of method realizations.The pseudo-random coded related characteristic is used to carry sam... |
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| Keywords: | HF radar frequency-hopping signal phase coded waveform design signal processing |
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