An analog channel calibration method for bandwidth interleave

被引：0
|
作者：
Yin Linglong [1 ]
Tian Shulin [1 ]
Liu Ke [1 ]
Huang Lei [1 ]
Yang Xing [1 ]
机构：
[1] Univ Elect Sci & Technol China, Sch Automat Engn, Chengdu 611731, Sichuan, Peoples R China
来源：
PROCEEDINGS OF 2017 13TH IEEE INTERNATIONAL CONFERENCE ON ELECTRONIC MEASUREMENT & INSTRUMENTS (ICEMI), VOL 1 | 2017年
关键词：
Wideband signal generation; Bandwidth splitting; Bandwidth interleave; Digital pre-processing;
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：
The concept of bandwidth interleave is splitting a wideband signal into several narrow band signals. Based on this architecture, a wideband signal can be generated by several DACs with low sampling rate. However, the overlap of filters deteriorates the output signal. To eliminate the distortion, the mathematical model of the channel frequency response is constructed in this paper. The distortion of output signal is analyzed and an analog channel calibration method is proposed. Adopted with this method, the distortion of output signal can be eliminated by pre-distorting the input signal with the calibration matrix in frequency domain. Experiment results show the effectiveness.
引用
收藏
页码：135 / 139
页数：5
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