meta: 新增 pack_submission.bat 用于打包 submission

适配自其他项目的通用模板，按本仓库结构改三处：
- 输出文件名改为 doa_doppler_est.zip
- 图片目录从 figures 改为 fig，扩展名补 bmp（场景图为 bmp）
- 去掉 *.bbl 的拷贝，本仓库 \printbibliography 注释掉了，
  bbl 是 build 产物，保留会把 *.bbl-SAVE-ERROR 一起带进 zip

pack_submission.bat

@@ -0,0 +1,78 @@
+@echo off
+setlocal enabledelayedexpansion
+
+rem ============================================================
+rem  Pack necessary LaTeX paper files into a zip archive.
+rem  Run this .bat in the paper root directory.
+rem ============================================================
+
+set "ZIPNAME=doa_doppler_est.zip"
+set "TEMPDIR=_pack"
+
+rem Clean old package folder and zip
+if exist "%TEMPDIR%" rmdir /s /q "%TEMPDIR%"
+if exist "%ZIPNAME%" del /q "%ZIPNAME%"
+
+mkdir "%TEMPDIR%"
+
+rem ------------------------------------------------------------
+rem Copy main LaTeX source files
+rem ------------------------------------------------------------
+copy /y "*.tex" "%TEMPDIR%\" >nul 2>nul
+copy /y "*.bib" "%TEMPDIR%\" >nul 2>nul
+copy /y "*.bst" "%TEMPDIR%\" >nul 2>nul
+copy /y "*.cls" "%TEMPDIR%\" >nul 2>nul
+copy /y "*.sty" "%TEMPDIR%\" >nul 2>nul
+
+rem ------------------------------------------------------------
+rem Copy common subfolders
+rem ------------------------------------------------------------
+if exist "parts" (
+  xcopy "parts" "%TEMPDIR%\parts\" /e /i /y >nul
+)
+
+if exist "fig" (
+  mkdir "%TEMPDIR%\fig"
+  for %%E in (pdf eps png jpg jpeg bmp) do (
+    for /r "fig" %%F in (*.%%E) do (
+      set "SRC=%%F"
+      set "DST=!SRC:%CD%\fig=%TEMPDIR%\fig!"
+      for %%D in ("!DST!") do if not exist "%%~dpD" mkdir "%%~dpD"
+      copy /y "%%F" "!DST!" >nul
+    )
+  )
+)
+
+rem ------------------------------------------------------------
+rem Remove LaTeX temporary files if any were copied accidentally
+rem ------------------------------------------------------------
+for /r "%TEMPDIR%" %%F in (
+  *.aux *.log *.out *.toc *.lof *.lot *.fls *.fdb_latexmk
+  *.synctex.gz *.blg *.run.xml *.bcf *.gz
+) do (
+  del /q "%%F" >nul 2>nul
+)
+
+rem ------------------------------------------------------------
+rem Create zip archive using PowerShell
+rem ------------------------------------------------------------
+powershell -NoProfile -ExecutionPolicy Bypass -Command ^
+  "Compress-Archive -Path '%TEMPDIR%\*' -DestinationPath '%ZIPNAME%' -Force"
+
+if errorlevel 1 (
+  echo.
+  echo ERROR: Failed to create package.
+  echo Please check whether PowerShell is available and whether the files are locked.
+  echo.
+  pause
+  exit /b 1
+)
+
+rem Clean temporary folder
+rmdir /s /q "%TEMPDIR%"
+
+echo.
+echo Package created: %ZIPNAME%
+echo.
+
+exit /b 0