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Sep 22, 2025
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DOC: add annotation about narrow nt*dt #107

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25 changes: 16 additions & 9 deletions docs/locales/en/LC_MESSAGES/Tutorial/dynamic/gfunc.po
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Original file line number Diff line number Diff line change
Expand Up @@ -8,7 +8,7 @@ msgid ""
msgstr ""
"Project-Id-Version: PyGRT 0.6.1.dev1+g4641a40.d20250422\n"
"Report-Msgid-Bugs-To: \n"
"POT-Creation-Date: 2025-09-22 13:40+0800\n"
"POT-Creation-Date: 2025-09-22 20:10+0800\n"
"PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
"Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
"Language: en\n"
Expand Down Expand Up @@ -128,8 +128,8 @@ msgstr ""
#: ../../source/Tutorial/dynamic/gfunc.rst:44
msgid ":doc:`/Module/travt` 模块可以显式地再计算初至波走时，"
msgstr ""
"The :doc:`/Module/travt` module can explicitly recalculate the travel times "
"of the first waves."
"The :doc:`/Module/travt` module can explicitly recalculate the travel "
"times of the first waves."

#: ../../source/Tutorial/dynamic/gfunc.rst:51
msgid "走时结果会输出到终端，"
Expand All @@ -141,8 +141,8 @@ msgid ""
"模块临时将SAC格式文件转为如下的文本文件："
msgstr ""
"If you have not installed the SAC software, you can use Python's ObsPy "
"library to read the generated SAC data, or use the :doc:`/Module/sac2asc` "
"module to temporarily convert SAC format files into the following text "
"library to read the generated SAC data, or use the :doc:`/Module/sac2asc`"
" module to temporarily convert SAC format files into the following text "
"files:"

#: ../../source/Tutorial/dynamic/gfunc.rst:63
Expand All @@ -166,23 +166,30 @@ msgstr ""
":class:`Trace.stats.sac` contains the SAC header variables, consistent "
"with the output of the C program."

#: ../../source/Tutorial/dynamic/gfunc.rst:80
#: ../../source/Tutorial/dynamic/gfunc.rst:77
msgid "当时窗长度 nt\\*dt 太小“包不住”有效信号，或时窗长度足够但时延不合适，输出的波形会发生混叠， 此时需调整相关参数。"
msgstr ""
"When the window length nt\\*dt is too small to \"contain\" the effective signal, "
"or when the window length is sufficient but the time delay is inappropriate, "
"the output waveform will suffer from aliasing. At this point, the relevant parameters need to be adjusted."

#: ../../source/Tutorial/dynamic/gfunc.rst:82
msgid "格林函数计算结果的单位："
msgstr "Units of the computed Green's function results:"

#: ../../source/Tutorial/dynamic/gfunc.rst:82
#: ../../source/Tutorial/dynamic/gfunc.rst:84
msgid ""
"爆炸源： :math:`10^{-20} \\, \\frac{\\text{cm}}{\\text{dyne} \\cdot "
"\\text{cm}}`"
msgstr ""
"Explosion: :math:`10^{-20} \\, \\frac{\\text{cm}}{\\text{dyne} \\cdot "
"\\text{cm}}`"

#: ../../source/Tutorial/dynamic/gfunc.rst:83
#: ../../source/Tutorial/dynamic/gfunc.rst:85
msgid "单力源： :math:`10^{-15} \\, \\frac{\\text{cm}}{\\text{dyne}}`"
msgstr "Single Force: :math:`10^{-15} \\, \\frac{\\text{cm}}{\\text{dyne}}`"

#: ../../source/Tutorial/dynamic/gfunc.rst:84
#: ../../source/Tutorial/dynamic/gfunc.rst:86
msgid ""
"剪切源： :math:`10^{-20} \\, \\frac{\\text{cm}}{\\text{dyne} \\cdot "
"\\text{cm}}`"
Expand Down
3 changes: 3 additions & 0 deletions docs/source/Module/greenfn.rst
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Expand Up @@ -62,6 +62,9 @@ greenfn
+ **+n**\ *fac* - 频率域插值倍数[1]。即在做逆傅里叶变换时，在频域上最高频后补零，
相当于 *nt* ← *nt* \* *fac* , *dt* ← *dt* / *fac* ，使计算的波形更平滑。

当时窗长度 nt\*dt 太小“包不住”有效信号，或时窗长度足够但时延(|-E|)不合适，输出的波形会发生混叠，
此时需调整 |-N| 和 |-E| 。

.. include:: explain_-R.rst_

.. include:: explain_-O.rst_
Expand Down
4 changes: 2 additions & 2 deletions docs/source/Tutorial/dynamic/gfunc.rst
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Expand Up @@ -74,6 +74,8 @@ Python中计算动态格林函数的主函数为 :func:`compute_grn() <pygrt.pym

多个震中距的格林函数以列表形式返回，其中每个元素为 |Stream| 类。:class:`Trace.stats.sac` 中保存了SAC头段变量，与C程序输出保持一致。

当时窗长度 nt\*dt 太小“包不住”有效信号，或时窗长度足够但时延不合适，输出的波形会发生混叠，
此时需调整相关参数。

.. note::

Expand All @@ -84,8 +86,6 @@ Python中计算动态格林函数的主函数为 :func:`compute_grn() <pygrt.pym
+ 剪切源： :math:`10^{-20} \, \frac{\text{cm}}{\text{dyne} \cdot \text{cm}}`




离散波数积分
--------------

Expand Down