多通道高稳定性相参信号产生系统的搭建与实现
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摘要
随着通信技术的快速发展,信号从原来的单通道信号发展到多通道信号,信号也从模拟信号发展到数字信号,同时对信号的相位稳定性的要求也越来越高。本文实现了能产生多通道高稳定性相参信号的系统搭建与验证。该系统搭建是基于Keysight M8195A任意波形发生器为核心仪器,以脉冲源产生触发信号和时钟信号,用示波器来检测信号的相位稳定性。实验结果证明,该系统能够根据对于任意波形发生器的设置来产生相应的多通道信号,并且通道间相位稳定性达到皮秒级别。这能为诸多领域的研究和应用提供一个完美的多通道高稳定相参信号的产生平台,具有很大的实际应用价值。
With the rapid development of communication technology, signal have developed into multichannel and digital modulated signal from single-Channel and analog signal. Meantime, the requirements of phase signal stability is increasing. This paper realized the establishment and implement of multi-channel high stability phase-coherent signal generating system. The establishment of the system is based on Keysight M8195A arbitrary waveform generator as the core instrument, a pulse source generator provides the trigger signal and the clock signal, a oscilloscope to detect the phase stability of the signal.Experiment results show that, the system can generate multi-channel high stability phase-coherent signal based on the setting of arbitrary waveform generator, and the phase stability of different channel is small to picosecond level. This provides a perfect platform to generate multi-channel high stability phase-coherent signal for applications in many fields of research, owns great practical value.
With the rapid development of communication technology, signal have developed into multichannel and digital modulated signal from single-Channel and analog signal. Meantime, the requirements of phase signal stability is increasing. This paper realized the establishment and implement of multi-channel high stability phase-coherent signal generating system. The establishment of the system is based on Keysight M8195A arbitrary waveform generator as the core instrument, a pulse source generator provides the trigger signal and the clock signal, a oscilloscope to detect the phase stability of the signal.Experiment results show that, the system can generate multi-channel high stability phase-coherent signal based on the setting of arbitrary waveform generator, and the phase stability of different channel is small to picosecond level. This provides a perfect platform to generate multi-channel high stability phase-coherent signal for applications in many fields of research, owns great practical value.
引文
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[15]伯恩,段发阶,冯帆,等.一种正弦相位调制光纤干涉条纹相位稳定方法[J].光电工程,2014(10):75-80.
[2]孟建.相参信号频谱的精确估计[J].系统工程与电子技术,1999,21(10):67-70.
[3]李伟.相参信号数字接收机的硬件实现[D].南京:南京航空航天大学,2010.
[4]谢力,殷晓星,杨亮.有源阵列天线中的多通道相参信号源设计[J].微波学极,2014,30(5):51-62.
[5]西安春秋视讯技术有限责任公司.多通道可编程相参信号产生系统[J].电子设计工程,2007(3):75-76.
[6]Milica Stojanovic,Catipovic Josko A.,Proakis JG.Phase-Coherent Digital Communications for Underwater Acoustic Channels[J].IEEE Journal of oceanic engineering,1994(19):100-112.
[7]Kazovsky Leonid G.,Gimlett JL.Multichannel Coherent Optical Communications Systems[J].Journal of lightware Technology,1987(8):1095-1103.
[8]陈曦,邓振淼,焦计平.多通道高速相参同步数据采集与存储系统设计[J].电子测量技术,2013,36(12):104-107.
[9]张天群.基于FPGA高速储存的相参处理系统实现[D].西安:西安电子科技大学,2014.
[10]庞少龙,多通道数字接收机相位同步技术研究[D].西安:西安电子科技大学,2013.
[11]徐梅,基于仪表的多通道雷达信号模拟器研究[D].哈尔滨:哈尔滨工业大学.2012.
[12]杨民祥,高凯,张炜.基于高速DDS芯片的相参信号生成器设计与实现[C]//2011(第四届)全国网络语信息安全学术会议,2011:88-92.
[13]王艳召,崔建坡.示波器实验中相位差测量公式的简单讨论[J].课程教育研究,2015,6(中旬刊):254.
[14]王靖.电子示波器对两个同频正弦信号相位差的两种测量方法的对比分析[J].黔西南民族师范高等专科学校学报,2010(1):110-112.
[15]伯恩,段发阶,冯帆,等.一种正弦相位调制光纤干涉条纹相位稳定方法[J].光电工程,2014(10):75-80.