DAMPE silicon tracker on-board data compression algorithm

DONG Yi-Fan; ZHANG Fei; QIAO Rui; PENG Wen-Xi; FAN Rui-Rui; GONG Ke; WU Di; WANG Huan-Yu

doi:10.1088/1674-1137/39/11/116202

Chinese Physics C> 2015, Vol. 39> Issue(11) : 116202 DOI: 10.1088/1674-1137/39/11/116202

DAMPE silicon tracker on-board data compression algorithm

DONG Yi-Fan ^1,2 ,
ZHANG Fei ¹ ,
QIAO Rui ¹ ,
PENG Wen-Xi ^1,, ,
FAN Rui-Rui ¹ ,
GONG Ke ¹ ,
WU Di ¹ ,
WANG Huan-Yu ^1,,

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Abstract：
The Dark Matter Particle Explorer (DAMPE) is an upcoming scientific satellite mission for high energy gamma-ray, electron and cosmic ray detection. The silicon tracker (STK) is a subdetector of the DAMPE payload. It has excellent position resolution (readout pitch of 242 μm), and measures the incident direction of particles as well as charge. The STK consists of 12 layers of Silicon Micro-strip Detector (SMD), equivalent to a total silicon area of 6.5 m². The total number of readout channels of the STK is 73728, which leads to a huge amount of raw data to be processed. In this paper, we focus on the on-board data compression algorithm and procedure in the STK, and show the results of initial verification by cosmic-ray measurements.
- silicon tracker ,
- silicon micro-strip detector ,
- data compression

References

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DONG Yi-Fan, ZHANG Fei, QIAO Rui, PENG Wen-Xi, FAN Rui-Rui, GONG Ke, WU Di and WANG Huan-Yu. DAMPE silicon tracker on-board data compression algorithm[J]. Chinese Physics C, 2015, 39(11): 116202. doi: 10.1088/1674-1137/39/11/116202

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Received: 2015-03-03

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Supported by Strategic Priority Research Program on Space Science of Chinese Academy of Sciences (XDA040402) and National Natural Science Foundation of China (1111403027)

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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

DAMPE silicon tracker on-board data compression algorithm

Corresponding author: PENG Wen-Xi,

Corresponding author: WANG Huan-Yu,

Received Date: 2015-03-03

Available Online: 2015-11-20

Fund Project: Supported by Strategic Priority Research Program on Space Science of Chinese Academy of Sciences (XDA040402) and National Natural Science Foundation of China (1111403027)

Abstract: The Dark Matter Particle Explorer (DAMPE) is an upcoming scientific satellite mission for high energy gamma-ray, electron and cosmic ray detection. The silicon tracker (STK) is a subdetector of the DAMPE payload. It has excellent position resolution (readout pitch of 242 μm), and measures the incident direction of particles as well as charge. The STK consists of 12 layers of Silicon Micro-strip Detector (SMD), equivalent to a total silicon area of 6.5 m². The total number of readout channels of the STK is 73728, which leads to a huge amount of raw data to be processed. In this paper, we focus on the on-board data compression algorithm and procedure in the STK, and show the results of initial verification by cosmic-ray measurements.

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DAMPE silicon tracker on-board data compression algorithm

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