Commit 2d43c33f authored by Wang Xia's avatar Wang Xia
Browse files

Update algorithm.rst

parent c5827be5
...@@ -18,35 +18,43 @@ Instrument correction ...@@ -18,35 +18,43 @@ Instrument correction
数据产品 数据产品
`````````````````` ``````````````````
`csst_ms_sls_instrument` 将从`csst_common.CsstMsDataManager` 获取0级数据和参考文件。0级数据是有一个扩展fits文件,头文件中存放着观测天区、曝光信息、探测器信息等,具体关键字说明参见 DataModel_,扩展的数据单元存放着原始观测图像。参考文件列表如下 `csst_ms_sls_instrument` 生成的数据产品是三个扩展fits文件,扩展内容如下表所示
+-----------------+---------+-------------------+ +-----------------+---------+-------------------+
| Extension name | Bunit | Comment | | Extension name | Bunit | Comment |
+=================+=========+===================+ +=================+=========+===================+
| SCI | e-/s | science image | | SCI | e-/s | Science image |
+-----------------+---------+-------------------+ +-----------------+---------+-------------------+
| ERR | e-/s | error array | | ERR | e-/s | Error array |
+-----------------+---------+-------------------+ +-----------------+---------+-------------------+
| DQ | unitless| data quality array| | DQ | unitless| Data quality array|
+-----------------+---------+-------------------+ +-----------------+---------+-------------------+
.. _DataModel: https://csst-tb.bao.ac.cn/code/csst-l1/csst-l1doc/-/blob/main/docs/source/sls/data_model.md 第一个扩展(SCI)的数据单元存放着仪器效应改正后的光谱图像,第二扩展(ERR)的数据单元存放着光谱图像误差,第三个扩展(DQ)的数据单元存放着光谱图像每个像素的数据质量标志位,具体参见 DQFlags_。
CSST无缝光谱模块的1级数据产品是三个扩展的fits文件,扩展内容如下表所示: .. _DQFlags: https://?
+-----------------+---------+-------------------+ 处理过程
| Extension name | Bunit | Comment | ``````````````````
+=================+=========+===================+ `csst_ms_sls_instrument` 将从`csst_common.CsstMsDataManager` 获取0级数据和参考文件。0级数据是有一个扩展的fits文件,头文件中存放着观测天区、曝光信息、探测器信息等,具体关键字说明参见 DataModel_,扩展的数据单元存放着原始观测图像。参考文件列表如下,第一列是参考文件类型,第二列是文件说明,第三列是数据产品中记录文件名的关键字:
| SCI | e-/s | science image |
+-----------------+---------+-------------------+ +-----------------+----------------------------+-----------------+
| ERR | e-/s | error array | | Reference file | Description | Keyword |
+-----------------+---------+-------------------+ +=================+============================+=================+
| DQ | unitless| data quality array| | Gain map | gain array(9k×9k) | R_GAIN |
+-----------------+---------+-------------------+ +-----------------+----------------------------+-----------------+
| Superbias | superbias file(9k×9k) | R_BIAS |
+-----------------+----------------------------+-----------------+
| Superdark | superdark file(9k×9k) | R_DARK |
+-----------------+----------------------------+-----------------+
| Superflat | super flatfield file(9k×9k)| R_DFLAT |
+-----------------+----------------------------+-----------------+
| Badpixel table | Bad/hot Pixel table or map | R_MASK |
+-----------------+----------------------------+-----------------+
.. _DataModel: https://csst-tb.bao.ac.cn/code/csst-l1/csst-l1doc/-/blob/main/docs/source/sls/data_model.md
第一个扩展(SCI)的数据单元存放着仪器效应改正后的光谱图像,第二扩展(ERR)的数据单元存放着光谱图像误差,第三个扩展(DQ)的数据单元存放着光谱图像每个像素的数据质量标志位,具体参见 DQFlags_。
.. _DQFlags: https://?
Position calibration Position calibration
--------------------- ---------------------
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