In-flight performance of pulse processing system of the ASTRO-H soft x-ray spectrometer

In-flight performance of pulse processing system of the ASTRO-H soft x-ray spectrometer
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ASTRO-H 软 X 射线光谱仪脉冲处理系统的飞行性能

DOI:
10.1117/12.2234222
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发表时间:
2016
期刊:
Proceedings of the SPIE
影响因子:
--
通讯作者:
R.L.
R.L.
中科院分区:
--
文献类型:
--
作者:
Ishisaki;Y; Yamada;S; Seta;H; Tashiro;M.S.; Takeda;S; Terada;Y; K;Yuka; Tsujimoto;M; Koyama;S; MItsuda;K.; Sawada;M.; Boyce;K.R.; Chiao;M.P.; Watanabe;T.; Leutenegger;M.A.; Eckart;M. E.; Porter;F. Scott; Kilbourne;C.A.; Kelley;R.L.

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我们总结了ASTRO-H(Hitomi)上软X射线光谱仪仪器的脉冲形状处理器(PSP)的初始在轨性能的结果。介绍了事件格式、遥测类型和脉冲处理参数,并列出了在轨参数设置。PSP在发射后两天通电,并在轨道上降低了事件阈值。PSP在轨道上工作良好,没有内存错误,也没有SpaceWire通信错误,直到航天器解体。时间分配,电气串扰,和事件筛选标准进行了研究。经验证,在100%CPU负载下,事件处理速率约为200 c/s/array,符合PSP的要求。
We summarize results of the initial in-orbit performance of the pulse shape processor (PSP) of the soft x-ray spectrometer instrument onboard ASTRO-H (Hitomi). Event formats, kind of telemetry, and the pulse processing parameters are described, and the parameter settings in orbit are listed. PSP was powered-on two days after launch, and the event threshold was lowered in orbit. PSP worked fine in orbit, and there were no memory error nor SpaceWire communication error until the break-up of spacecraft. Time assignment, electrical crosstalk, and the event screening criteria are studied. It is confirmed that the event processing rate at 100% CPU load is ~200 c/s/array, compliant with the requirement on PSP.
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