| UWB通信系统双正交PSWF脉冲波形设计 |
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| 引用本文： | 徐玉滨,王芳,沙学军. UWB通信系统双正交PSWF脉冲波形设计[J]. 哈尔滨工业大学学报, 2007, 39(1): 81-84 |
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| 作者姓名： | 徐玉滨 王芳 沙学军 |
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| 作者单位： | 哈尔滨工业大学,通信技术研究所,哈尔滨,150001 |
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| 摘 要： | 分析UW B脉冲波形设计原则,对基于长球面波函数(PSW F)的双正交脉冲进行研究.给出获得PSW F脉冲的两种解法,及基于PSW F的陷波设计,并用MATLAB对时域波形和功率谱进行了仿真.结果表明,PSW F脉冲具有中心频率可调、带宽可控的优点,并具有双正交性,能实现任意频点不同深度的陷波,更好地抑制窄带干扰.双正交PSW F脉冲是符合UW B通信系统要求的一种性能较理想的脉冲.
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| 关 键 词： | UWB PSWF 双正交性 陷波 窄带干扰 |
| 文章编号： | 0367-6234(2007)01-0081-04 |
| 修稿时间： | 2006-03-16 |
Doubly orthogonal PSWF pulse waveform design in UWB communication system |
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| XU Yu-bin,WANG Fang,SHA Xue-jun. Doubly orthogonal PSWF pulse waveform design in UWB communication system[J]. Journal of Harbin Institute of Technology, 2007, 39(1): 81-84 |
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| Authors: | XU Yu-bin WANG Fang SHA Xue-jun |
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| Affiliation: | Communication Research Center, Harbin Institute of Technology, Harbin, 150001, China |
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| Abstract: | This paper first analyze the principles of UWB pulse waveforms design,then give thorough researches of the doubly orthogonal pulse based on Prolate Spheroidal wave functions.Two algorithms to obtain PSWF pulses and notch design based on PSWF are presented.The waveforms and spectrums are simulated via MATLAB.The simulation results show that PSWF pulses have the advantages of adaptively changeable center frequency,easily controlled band,and double orthogonality.Variable notch depth at random frequency can be achieved,hence narrowband interferences can be suppressed dramatically.Doubly orthogonal PSWF pulse is an ideal pulse according with the requirements of UWB communication system. |
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| Keywords: | UWB PSWF double orthogonality notch narrowband interference |
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