Harmonic Distortion Analysis of Seismic Data Acquisition System Based on Single-bin DFT

被引：0
|
作者：
Zhang, Yong-xue [1 ]
Song, Jian-ping [1 ]
Huang, Wei-chuan [2 ]
机构：
[1] Xi An Jiao Tong Univ, Key Lab Phys Elect & Devices, Minist Educ, Xian 710049, Peoples R China
[2] Inst Geophys, Xhina Earthquake Adm, Beijing, Peoples R China
来源：
2010 IEEE 10TH INTERNATIONAL CONFERENCE ON SIGNAL PROCESSING PROCEEDINGS (ICSP2010), VOLS I-III | 2010年
基金：
中国国家自然科学基金;
关键词：
harmonic distortion analysis; single-bin DFT; modified FFT pruning; seismic data acquisition system; FILTERS;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Harmonic distortion is an important analog performance index of the seismic data acquisition system (SDAS). A fast algorithm based on modified FFT pruning is proposed to analyze the harmonic distortion of the SDAS. The key of the harmonic distortion analysis is to compute the fundamental and harmonic components of the measured data. In this paper, a comparative analysis between the algorithm based on standard FFT and those based on single-bin DFT is performed. The calculating speed of each algorithm based on single-bin DFT is faster than algorithm based on standard FFT for harmonic distortion analysis of the SDAS. Moreover, of all the algorithms based on single-bin DFT, the modified FFT pruning algorithm is the most suitable for the harmonic distortion analysis of the SDAS with large numbers of channels.
引用
收藏
页码：34 / +
页数：2
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