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44.8h-44.8V588.8c0-17.067-14.933-32-32-32H281.6c-17.067 0-32 14.933-32 32v121.6h-44.8c-25.6 0-44.8-19.2-44.8-44.8v-192c0-25.6 19.2-44.8 44.8-44.8h614.4c25.6 0 44.8 19.2 44.8 44.8v192z"></path></svg></button><div class="arrow end"></div></div><div class="vp-toc-wrapper"><ul class="vp-toc-list"><!--[--><li class="vp-toc-item"><a class="route-link vp-toc-link level2" href="#快速开始">快速开始</a></li><li><ul class="vp-toc-list"><!--[--><li class="vp-toc-item"><a class="route-link vp-toc-link level3" href="#什么是-udf-函数库">什么是 UDF 函数库</a></li><!----><!--]--><!--[--><li class="vp-toc-item"><a class="route-link vp-toc-link level3" href="#快速开始-1">快速开始</a></li><!----><!--]--><!--[--><li class="vp-toc-item"><a class="route-link vp-toc-link level3" href="#下载">下载</a></li><!----><!--]--></ul></li><!--]--></ul><div class="vp-toc-marker" style="top:-1.7rem;"></div></div><!--[--><!----><!--]--></aside></div><!--[--><!----><!--]--><div class="theme-hope-content"><h1 id="udf-函数库" tabindex="-1"><a class="header-anchor" href="#udf-函数库"><span>UDF 函数库</span></a></h1><h2 id="快速开始" tabindex="-1"><a class="header-anchor" href="#快速开始"><span>快速开始</span></a></h2><h3 id="什么是-udf-函数库" tabindex="-1"><a class="header-anchor" href="#什么是-udf-函数库"><span>什么是 UDF 函数库</span></a></h3><p>对基于时序数据的应用而言，数据质量至关重要。<strong>UDF 函数库</strong> 基于 IoTDB 用户自定义函数 (UDF)，实现了一系列关于数据质量的函数，包括数据画像、数据质量评估与修复等，有效满足了工业领域对数据质量的需求。</p><h3 id="快速开始-1" tabindex="-1"><a class="header-anchor" href="#快速开始-1"><span>快速开始</span></a></h3><ol><li>下载包含全部依赖的 jar 包和注册脚本；</li><li>将 jar 包复制到 IoTDB 程序目录的<code>ext\udf</code>目录下；</li><li>运行<code>sbin\start-server.bat</code>（在 Windows 下）或<code>sbin\start-server.sh</code>（在 Linux 或 MacOS 下）以启动 IoTDB 服务器；</li><li>将注册脚本复制到 IoTDB 的程序目录下（与<code>sbin</code>目录同级的根目录下），修改脚本中的参数（如果需要）并运行注册脚本以注册 UDF。</li></ol><h3 id="下载" tabindex="-1"><a class="header-anchor" href="#下载"><span>下载</span></a></h3><p>由于我们的代码正在审核中，Apache仓库中目前还没有代码。在审核完成之前，您可以前往我们的<a href="https://thulab.github.io/iotdb-quality/zh/Download.html" target="_blank" rel="noopener noreferrer">旧网页<span><svg class="external-link-icon" xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path><polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg><span class="external-link-icon-sr-only">open in new window</span></span></a>下载上述文件。</p></div><!--[--><!----><!--]--><footer class="vp-page-meta"><div class="vp-meta-item edit-link"><a href="https://github.com/apache/iotdb-docs/edit/main/src/zh/UserGuide/V0.13.x/UDF-Library/Quick-Start.md" rel="noopener noreferrer" target="_blank" aria-label="发现错误？在 GitHub 上编辑此页" class="nav-link vp-meta-label"><!--[--><svg 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