<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[IvanLJF的专栏]]></title><description><![CDATA[Talk is cheap,Show me the code.]]></description><link>https://blog.youkuaiyun.com/IvanLJF</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; IvanLJF]]></copyright><item><title><![CDATA[基于 PIE-SAR软件 的陆探-1 SAR卫星数据水体提取全流程实操]]></title><link>https://blog.youkuaiyun.com/IvanLJF/article/details/158884039</link><guid>https://blog.youkuaiyun.com/IvanLJF/article/details/158884039</guid><author>IvanLJF</author><pubDate>Tue, 10 Mar 2026 14:04:33 +0800</pubDate><description><![CDATA[在水资源监测、洪涝灾害应急响应、湿地生态保护等领域，快速、精准获取水体分布信息至关重要。与光学卫星相比，合成孔径雷达（SAR）具备全天时、全天候工作能力，不受云层、光照条件限制，即使在暴雨、大雾等恶劣天气下，也能清晰捕捉地表水体信息，尤其适合洪涝灾害等紧急场景的动态监测。

陆探-1（LT-1）卫星是我国自主研发的高分辨率SAR卫星，搭载L波段SAR传感器，具备单极化、高空间分辨率特性，其数据具有国产化、易获取、适配国内研究场景的优势，已广泛应用于国土、水利、环保、减灾等领域。本文将聚焦陆探-1单景SAR数]]></description><category></category></item><item><title><![CDATA[PIE-SAR 软件： NISAR 数据 DInSAR 干涉处理全流程操作，以 Erta Ale 火山为例]]></title><link>https://blog.youkuaiyun.com/IvanLJF/article/details/158701191</link><guid>https://blog.youkuaiyun.com/IvanLJF/article/details/158701191</guid><author>IvanLJF</author><pubDate>Fri, 06 Mar 2026 09:35:35 +0800</pubDate><description><![CDATA[PIE-SAR 作为国产自主可控的 SAR 数据处理软件，已实现对 NISAR 数据的适配处理，支持从数据导入到 DInSAR 形变反演的全流程操作，兼具操作便捷性和功能完整性。本文以埃塞俄比亚东北部 Erta Ale 火山为研究区，采用 ASF 网站下载的 20251122–20251204 时段 NISAR L1 级 RSLC（Range Doppler Single Look Complex）数据，详细讲解基于 PIE-SAR 的 NISAR 数据 DInSAR 干涉测量全流程操作。]]></description><category></category></item><item><title><![CDATA[GAMMA软件适配航天宏图一号多星干涉数据]]></title><link>https://blog.youkuaiyun.com/IvanLJF/article/details/140380199</link><guid>https://blog.youkuaiyun.com/IvanLJF/article/details/140380199</guid><author>IvanLJF</author><pubDate>Fri, 12 Jul 2024 15:32:31 +0800</pubDate><description><![CDATA[基于航天宏图一号的DEM与Copernicus  DEM存在差异，航天宏图算法人员对此进行了补充：基于航天宏图一号提取的DEM数据空间分辨率相比于Copernicus  DEM更高，从而在地形上体现出了差异。这里总结了两个需要特殊注意的地方。]]></description><category></category></item><item><title><![CDATA[QT 无法解析的外部符号-关于QMetaObject 、metacast、qt_metacall是关于元数据meta问题]]></title><link>https://blog.youkuaiyun.com/IvanLJF/article/details/140372576</link><guid>https://blog.youkuaiyun.com/IvanLJF/article/details/140372576</guid><author>IvanLJF</author><pubDate>Fri, 12 Jul 2024 10:45:53 +0800</pubDate><description><![CDATA[LNK2001	无法解析的外部符号 “public: virtual int __cdecl Plugin::CCFileDialog::qt_metacall(enum QMetaObject::Call,int,void * *)” (?由于头文件用到了对话框类，且添加了Q_OBJECT，需要从工程中移除此头文件，重新添加即可。]]></description><category></category></item><item><title><![CDATA[PIE-SAR软件利用TanDEM-X干涉对（差分相位补偿法）获取RAW DSM操作流程]]></title><link>https://blog.youkuaiyun.com/IvanLJF/article/details/138391309</link><guid>https://blog.youkuaiyun.com/IvanLJF/article/details/138391309</guid><author>IvanLJF</author><pubDate>Wed, 03 Jul 2024 09:55:09 +0800</pubDate><description><![CDATA[TDX干涉对文件名：TDM1_SAR__COS_BIST_SM_S_SRA_20121205T101835_20121205T101843地理位置：湖北省做出的结果精度不对，采用ALOS DEM。DEM需要做高程异常转换.]]></description><category></category></item><item><title><![CDATA[宏图一号标准数据产品格式说明]]></title><link>https://blog.youkuaiyun.com/IvanLJF/article/details/134997735</link><guid>https://blog.youkuaiyun.com/IvanLJF/article/details/134997735</guid><author>IvanLJF</author><pubDate>Thu, 14 Dec 2023 16:03:59 +0800</pubDate><description><![CDATA[本文档规定了HT-1卫星的数据产品格式和标准，并将在后续逐渐完善对“女娲星座”卫星数据产品规范。宏图一号SAR卫星系统是全球首个采用四星车轮式编队构型的多星分布式干涉雷达卫星系统。2023年 3月30日18时50分，航天宏图一号在太原卫星发射中心，成功搭载长征二号丁运载火箭以“一箭四星”方式发射升空并顺利进入预定轨道。]]></description><category></category></item><item><title><![CDATA[QGIS校正哨兵-1 GRD产品]]></title><link>https://blog.youkuaiyun.com/IvanLJF/article/details/131036674</link><guid>https://blog.youkuaiyun.com/IvanLJF/article/details/131036674</guid><author>IvanLJF</author><pubDate>Sun, 04 Jun 2023 20:35:50 +0800</pubDate><description><![CDATA[QGIS校正哨兵-1 GRD产品]]></description><category></category></item><item><title><![CDATA[PIE-SAR软件自动化编译与发布]]></title><link>https://blog.youkuaiyun.com/IvanLJF/article/details/130382307</link><guid>https://blog.youkuaiyun.com/IvanLJF/article/details/130382307</guid><author>IvanLJF</author><pubDate>Wed, 26 Apr 2023 13:14:57 +0800</pubDate><description><![CDATA[SVN版本控制下多人协调编写代码，会经常性的提交新功能，修改完善已有功能。产品经理、测试人员需定期回归测试，确保禅道Bug已经修复，这就需要经常性地打包软件。为了节省编译时间，也方便产品经理可随时去取最新的版本，参考网上的材料，总结自动化编译的流程。]]></description><category></category></item><item><title><![CDATA[ArcMap卡在加载界面、无法打开软件的解决方法]]></title><link>https://blog.youkuaiyun.com/IvanLJF/article/details/130336243</link><guid>https://blog.youkuaiyun.com/IvanLJF/article/details/130336243</guid><author>IvanLJF</author><pubDate>Mon, 24 Apr 2023 10:24:35 +0800</pubDate><description><![CDATA[今天突然发现ArcMap软件打不开了，每次双击快捷方式后其会显示如下所示的加载界面，但是等待很久后加载界面消失，软件窗口却一直不弹出来。ArcGIS下属的其他软件，例如ArcCatalog软件就可以正常打开。后来网上查找，发现是由于多版本Python的环境变量导致。删除变量后即可解决。]]></description><category></category></item><item><title><![CDATA[Cosmo-SkyMed 辐射校正]]></title><link>https://blog.youkuaiyun.com/IvanLJF/article/details/130152623</link><guid>https://blog.youkuaiyun.com/IvanLJF/article/details/130152623</guid><author>IvanLJF</author><pubDate>Fri, 14 Apr 2023 14:33:01 +0800</pubDate><description><![CDATA[Cosmo-SkyMed SLC数据辐射校正]]></description><category></category></item><item><title><![CDATA[限制qt-vs-tools自动更新]]></title><link>https://blog.youkuaiyun.com/IvanLJF/article/details/130145981</link><guid>https://blog.youkuaiyun.com/IvanLJF/article/details/130145981</guid><author>IvanLJF</author><pubDate>Fri, 14 Apr 2023 13:13:32 +0800</pubDate><description><![CDATA[Qt Project Settings跑到了工程的属性页。]]></description><category></category></item><item><title><![CDATA[国产PIE-SAR软件]]></title><link>https://blog.youkuaiyun.com/IvanLJF/article/details/130123713</link><guid>https://blog.youkuaiyun.com/IvanLJF/article/details/130123713</guid><author>IvanLJF</author><pubDate>Thu, 13 Apr 2023 11:11:44 +0800</pubDate><description><![CDATA[PIE-SAR是一款针对国内外主流星载SAR传感器的数据处理分析软件，提供图形化操作界面。目前已支持国内外主流星载SAR传感器的数据处理与分析，包括强度图像基础处理、区域网平差处理、InSAR地形测绘、时序InSAR形变监测和极化SAR分割分类处理等模块。目前软件涵盖的功能模块相对比较全，主要对标国外的ENVI SARSacpe，PCI GXL、GAMMA等。]]></description><category></category></item><item><title><![CDATA[Doris]]></title><link>https://blog.youkuaiyun.com/IvanLJF/article/details/130013977</link><guid>https://blog.youkuaiyun.com/IvanLJF/article/details/130013977</guid><author>IvanLJF</author><pubDate>Fri, 07 Apr 2023 15:46:24 +0800</pubDate><description><![CDATA[Doris的官方网址]]></description><category></category></item><item><title><![CDATA[Ubuntu16.04 编译fftw2.1.5]]></title><link>https://blog.youkuaiyun.com/IvanLJF/article/details/101479505</link><guid>https://blog.youkuaiyun.com/IvanLJF/article/details/101479505</guid><author>IvanLJF</author><pubDate>Thu, 26 Sep 2019 21:59:28 +0800</pubDate><description><![CDATA[1.源码下载网址: http://www.fftw.org/download.html
2.定位到FFTW源目录
$cd /home/lu/Downloads/fftw-2.1.5

3.查看FFTW编译选项的目录
./configure --help

4.编译选项说明:
单精度浮点型: --enable-float
创建共享对象库: --enable-shared
创建C语言库: --disa...]]></description><category></category></item><item><title><![CDATA[FFTW]]></title><link>https://blog.youkuaiyun.com/IvanLJF/article/details/80336745</link><guid>https://blog.youkuaiyun.com/IvanLJF/article/details/80336745</guid><author>IvanLJF</author><pubDate>Wed, 16 May 2018 15:07:39 +0800</pubDate><description><![CDATA[1、FFTW主页：http://www.fftw.org/ 
2、Github下载 :https://github.com/FFTW/fftw3

3、Windows版本：http://www.fftw.org/install/windows.html

fftw动态库分32、64位版本。



VS2013 64为编译；



In order to link to them from Visu...]]></description><category></category></item><item><title><![CDATA[Notes for installing ISCE 2.0.0_20160908 (on Ubuntu 16.04 LTS)]]></title><link>https://blog.youkuaiyun.com/IvanLJF/article/details/80287243</link><guid>https://blog.youkuaiyun.com/IvanLJF/article/details/80287243</guid><author>IvanLJF</author><pubDate>Fri, 11 May 2018 22:14:31 +0800</pubDate><description><![CDATA[Installing single version from scratch

A list of ubuntu packages that need to be installed (if they aren't already):


apt-get install libgmp-dev libmpfr-dev libmpc-dev libc6-dev-i386

ISCE requires ...]]></description><category></category></item><item><title><![CDATA[TIFF Tag Reference]]></title><link>https://blog.youkuaiyun.com/IvanLJF/article/details/80280979</link><guid>https://blog.youkuaiyun.com/IvanLJF/article/details/80280979</guid><author>IvanLJF</author><pubDate>Fri, 11 May 2018 14:28:11 +0800</pubDate><description><![CDATA[1、TIFF Tag Reference: https://www.awaresystems.be/imaging/tiff/tifftags.html

2、【文件格式-TIFF】TIFF图像格式结构  参考博客： 
https://blog.youkuaiyun.com/chenlu5201314/article/details/56276903...]]></description><category></category></item><item><title><![CDATA[PyPI--python软件仓储库安装Doris]]></title><link>https://blog.youkuaiyun.com/IvanLJF/article/details/80194073</link><guid>https://blog.youkuaiyun.com/IvanLJF/article/details/80194073</guid><author>IvanLJF</author><pubDate>Fri, 04 May 2018 13:47:34 +0800</pubDate><description><![CDATA[The Python Package Index (PyPI) is a repository of software for the Python programming language. 
1、PyPI官网：https://pypi.org/

直接可搜到doris5.0.3，也可下载源码 




2、pip用户手册：https://pip.pypa.io/en/stable/user_g...]]></description><category></category></item><item><title><![CDATA[相同基准下，大地坐标系与空间直角坐标系相互转换]]></title><link>https://blog.youkuaiyun.com/IvanLJF/article/details/79802349</link><guid>https://blog.youkuaiyun.com/IvanLJF/article/details/79802349</guid><author>IvanLJF</author><pubDate>Tue, 03 Apr 2018 14:00:38 +0800</pubDate><description><![CDATA[相同基准下，大地坐标系与空间直角坐标系相互转换：





]]></description><category></category></item><item><title><![CDATA[调用snaphu开源代码时，出现无法解析的外部符号错误]]></title><link>https://blog.youkuaiyun.com/IvanLJF/article/details/79207826</link><guid>https://blog.youkuaiyun.com/IvanLJF/article/details/79207826</guid><author>IvanLJF</author><pubDate>Tue, 30 Jan 2018 16:37:11 +0800</pubDate><description><![CDATA[调用snaphu开源代码时，出现无法解析的外部符号错误：



错误  3   error LNK2019: 无法解析的外部符号 “int __cdecl snaphuUnwrap(int,char const * *)” (?snaphuUnwrap@@YAHHPEAPEBD@Z)，该符号在函数 “private: bool __cdecl PhaseUnwrapping::RunPhaseUn]]></description><category></category></item></channel></rss>