The digital penalized LMS deconvolution method for TPC X-ray polarimeter signal processing

被引：0
作者：
He, L. [1 ,2 ]
Deng, Z. [1 ,2 ]
Li, H. [2 ]
Liu, Y. N. [1 ,2 ]
Feng, H. [2 ]
机构：
[1] Tsinghua Univ, Minist Educ, Key Lab Particle & Radiat Imaging, Beijing 100084, Peoples R China
[2] Tsinghua Univ, Dept Engn Phys, Beijing 100084, Peoples R China
来源：
JOURNAL OF INSTRUMENTATION | 2015年 / 10卷
关键词：
Digital signal processing (DSP); Polarimeters; CONSTRAINTS; SIMULATION; NOISE;
D O I：
10.1088/1748-0221/10/04/P04008
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
This article presents the Digital Penalized LMS (Least Mean Square) deconvolution method for processing the X-ray polarimeter readout electronics output signal. The deconvolution filter is used to recover the detector signal high frequency component, which is lost due to the limited bandwidth of the readout electronics. The DPLMS deconvolution method does not need to know the transfer function of the readout electronics system in advance and can restrain the deconvolution noise by using a noise constraint. In this paper, this method will be applied to process the simulation data generated by GEANT4 and the resulting photoelectron angular resolution of a X-ray polarimeter will be presented.
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页数：13
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