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Phase difference measurement of sweep signal with rapid cycling mode based on Labview
Xie ZL(谢长玲); Sun H(孙虹); Li X(李晓); Xie; Changling; Sun; Hong; Li; Xiao
刊名HIGH POWER LASER AND PARTICLE BEAMS
2015
卷号27期号:6页码:65104
关键词FFT spectrum Labview graphical programming Measurement algorithms Phase difference measurements Rapid cycling Spallation neutron sources Virtual instrument Virtual instrument technology
DOI10.11884/HPLPB201527.065104
其他题名基于Labview的快循环扫频信号相位差测量算法实现
通讯作者谢长玲
文章类型Article
英文摘要In order to precisely measure the phase difference between two sweeping signals with rapid cycling mode, it is necessary to select a method of signal acquisition and phase difference measurement algorithms for the RF accelerated voltage of the CSNS/RCS (China Spallation Neutron Source/Rapid Cycling Synchrotron) RF system and beam signal. The frequencies of both signals change synchronously. In this paper, measurement algorithms of signals with the same frequency are introduced and the features and applicability of those algorithms are discussed. Secondly, two different FFT spectrum analysis algorithms are elaborated and compared, including FFT cross-spectral method and FFT interpolation method adding cosine window. Then a sweep signal phase difference measurement system is set up using NI virtual instrument technology and Labview graphical programming technology for simulating those algorithms. According to the simulation results, the method of FFT interpolation method adding cosine window can meet the requirements of the fast cycling sweep signal phase difference measurement precision. ©, 2015, Editorial Office of High Power Laser and Particle Beams. All right reserved.
类目[WOS]716.1 Information Theory and Signal Processing ; 723 Computer Software, Data Handling and Applications ; 723.5 Computer Applications ; 921 Mathematics ; 932.1 High Energy Physics ; 941 Acoustical and Optical Measuring Instruments ; 942 Electric and Electronic Measuring Instruments ; 943 Mechanical and Miscellaneous Measuring Instruments ; 944 Moisture, Pressure and Temperature, and Radiation Measuring Instruments
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文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/228934
专题东莞分部_期刊论文
中国科学院高能物理研究所_加速器中心
中国科学院高能物理研究所_中国散裂中子源
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GB/T 7714
Xie ZL,Sun H,Li X,et al. Phase difference measurement of sweep signal with rapid cycling mode based on Labview[J]. HIGH POWER LASER AND PARTICLE BEAMS,2015,27(6):65104.
APA 谢长玲.,孙虹.,李晓.,Xie.,Changling.,...&Xiao.(2015).Phase difference measurement of sweep signal with rapid cycling mode based on Labview.HIGH POWER LASER AND PARTICLE BEAMS,27(6),65104.
MLA 谢长玲,et al."Phase difference measurement of sweep signal with rapid cycling mode based on Labview".HIGH POWER LASER AND PARTICLE BEAMS 27.6(2015):65104.
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