<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[wanion911的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/wanion911</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; wanion911]]></copyright><item><title><![CDATA[install google-chrome in Ubuntu14.04]]></title><link>https://blog.youkuaiyun.com/wanion911/article/details/50494871</link><guid>https://blog.youkuaiyun.com/wanion911/article/details/50494871</guid><author>wanion911</author><pubDate>Mon, 11 Jan 2016 09:02:54 +0800</pubDate><description><![CDATA[1. download google-chrome-stable_current_amd64.deb from chrome, don't ask me how to download it.
2. apt-get -f install
3. dpkg -i google-chrome-stable_current_amd64.deb
4. cd /opt/google/chrome  
]]></description><category></category></item><item><title><![CDATA[perl $]]></title><link>https://blog.youkuaiyun.com/wanion911/article/details/50481185</link><guid>https://blog.youkuaiyun.com/wanion911/article/details/50481185</guid><author>wanion911</author><pubDate>Fri, 08 Jan 2016 10:41:30 +0800</pubDate><description><![CDATA[$! 根据上下文内容返回错误号或者错误串
$” 列表分隔符
$# 打印数字时默认的数字输出格式
$$ Perl解释器的进程ID
$% 当前输出通道的当前页号
$& 与上个格式匹配的字符串
$( 当前进程的组ID$) 当前进程的有效组ID
$* 设置1表示处理多行格式.现在多以/s和/m修饰符取代之.
$, 当前输出字段分隔符
$. 上次阅读的文件的当前输入行号
$/ 当前输入记录分隔符,默认情况是]]></description><category></category></item><item><title><![CDATA[roi_pac install]]></title><link>https://blog.youkuaiyun.com/wanion911/article/details/50467830</link><guid>https://blog.youkuaiyun.com/wanion911/article/details/50467830</guid><author>wanion911</author><pubDate>Wed, 06 Jan 2016 11:40:09 +0800</pubDate><description><![CDATA[Two way to intall roi_pac
0. install basic environment

apt-get update && apt-get dist-upgrade
apt-get install build-essential gcc g++ gfortran make perl subversion libhdf4-dev python-dev libgdal-]]></description><category></category></item><item><title><![CDATA[linux ubunt install package]]></title><link>https://blog.youkuaiyun.com/wanion911/article/details/50467633</link><guid>https://blog.youkuaiyun.com/wanion911/article/details/50467633</guid><author>wanion911</author><pubDate>Wed, 06 Jan 2016 11:15:47 +0800</pubDate><description><![CDATA[1. use apt-get install

sudo apt-cache search lib***       search package
sudo apt-get install lib***               install package


sudo apt-get purge lib***                unistall package th]]></description><category></category></item><item><title><![CDATA[error while loading shared libraries: libg2c.so.0: cannot open shared object file]]></title><link>https://blog.youkuaiyun.com/wanion911/article/details/50466899</link><guid>https://blog.youkuaiyun.com/wanion911/article/details/50466899</guid><author>wanion911</author><pubDate>Wed, 06 Jan 2016 09:55:39 +0800</pubDate><description><![CDATA[Go to http://rpm.pbone.net/ 
and search libg2c.so.0
Fedora package can be used in Ubuntu.


1. First, i download a package of x86_64,
install alien
sudo apt-get install alien 


transform .r]]></description><category></category></item><item><title><![CDATA[Erdas的Model Maker功能]]></title><link>https://blog.youkuaiyun.com/wanion911/article/details/48225531</link><guid>https://blog.youkuaiyun.com/wanion911/article/details/48225531</guid><author>wanion911</author><pubDate>Sat, 05 Sep 2015 15:45:21 +0800</pubDate><description><![CDATA[相当于ENVI里的bandmath
Toolbox——Model Maker
用来修改异常值

 函数：EITHER  IF (  ) OR  OTHERWISE  Select on Binary Test:
 is converted to BINARY. If true, 
 is returned. Otherwise,  is returned.]]></description><category></category></item><item><title><![CDATA[关于Snaphu（待完善）]]></title><link>https://blog.youkuaiyun.com/wanion911/article/details/48212003</link><guid>https://blog.youkuaiyun.com/wanion911/article/details/48212003</guid><author>wanion911</author><pubDate>Fri, 04 Sep 2015 19:30:31 +0800</pubDate><description><![CDATA[doris 解缠报错：
修改snaphu_io.c中 修改为 ，重新make snaphu


snaphu分块解缠的时候会有明显的拼接痕迹，蒋师兄的exe修改了一下，有很大提升
单独运行snaphu.exe时（蒋师兄的exe），命令行：snaphu  -f  snaphu.conf  复数的干涉图  列数
如果最后一个参数输错，会出现类似这种错误。列数一定要输对]]></description><category></category></item><item><title><![CDATA[GMT绘图geotiff转grd]]></title><link>https://blog.youkuaiyun.com/wanion911/article/details/48209555</link><guid>https://blog.youkuaiyun.com/wanion911/article/details/48209555</guid><author>wanion911</author><pubDate>Fri, 04 Sep 2015 15:41:01 +0800</pubDate><description><![CDATA[geotiff转gmt的grd格式数据，参考SeisMan的两篇博文：GeoTiff格式转GMT netCDF格式和高精度地形网格数据SRTM
利用GDAL的小工具gdal_translate来进行数据格式转换gdal_translate -of GMT srtm_56_05.tif srtm_56_05.nc


gdal源码下载后自己编译，默认的是不编译支持GMT(netCDF)格式的]]></description><category></category></item><item><title><![CDATA[fbd2fbs过采样转换问题]]></title><link>https://blog.youkuaiyun.com/wanion911/article/details/48154971</link><guid>https://blog.youkuaiyun.com/wanion911/article/details/48154971</guid><author>wanion911</author><pubDate>Tue, 01 Sep 2015 10:48:08 +0800</pubDate><description><![CDATA[ALOS双极化数据FBD距离向带宽为14MHz，单极化数据FBS距离向带宽为28MHz，斜距向分辨率=c/2B，所以单极化数据的分辨率是双极化数据的两倍。
ALOS_pre_proc里面的ALOS_fbd2fbs对双极化数据进行两倍过采样，由于FBS的带宽恰好是FBD的两倍，所以，采用频率域补零的方法进行两倍过采样是可行的。

/*******************************]]></description><category></category></item><item><title><![CDATA[一幅图弄清DFT与DTFT,DFS的关系【转载】]]></title><link>https://blog.youkuaiyun.com/wanion911/article/details/48154809</link><guid>https://blog.youkuaiyun.com/wanion911/article/details/48154809</guid><author>wanion911</author><pubDate>Tue, 01 Sep 2015 10:39:16 +0800</pubDate><description><![CDATA[原文转载自：http://www.cnblogs.com/BitArt/archive/2012/11/24/2786390.html

感谢原作者让我终于搞明白这个~

===============================================================================




很多同学学习了数字信号处理之后，被里面的几]]></description><category></category></item><item><title><![CDATA[fbd2fbs过采样转换的问题]]></title><link>https://blog.youkuaiyun.com/wanion911/article/details/48154107</link><guid>https://blog.youkuaiyun.com/wanion911/article/details/48154107</guid><author>wanion911</author><pubDate>Tue, 01 Sep 2015 09:59:49 +0800</pubDate><description><![CDATA[ALOS的双极化数据FBD距离向带宽为14MHz，单极化数据FBS距离向带宽28MHz。斜距向分辨率=c/2B，所以双极化数据的分辨率要低一倍。
在ALOS_pre_proc里，ALOS_fbd2fbs进行两倍过采样
/***************************************************************************
 * ALOS_fbd_]]></description><category></category></item><item><title><![CDATA[Modis水汽数据MOD05去条带和转投影的问题]]></title><link>https://blog.youkuaiyun.com/wanion911/article/details/47393885</link><guid>https://blog.youkuaiyun.com/wanion911/article/details/47393885</guid><author>wanion911</author><pubDate>Mon, 10 Aug 2015 09:34:20 +0800</pubDate><description><![CDATA[前段时间处理modis的水汽数据产品MOD05_L2，一段时间不用，又差不多忘了，是得要整理一下


Modis数据下载：https://ladsweb.nascom.nasa.gov/data/
Search......Product Selection....Satellite—>Terra, Group—>Level 2 Products, Products—> MOD05_L2
]]></description><category></category></item><item><title><![CDATA[信号包络]]></title><link>https://blog.youkuaiyun.com/wanion911/article/details/47393707</link><guid>https://blog.youkuaiyun.com/wanion911/article/details/47393707</guid><author>wanion911</author><pubDate>Mon, 10 Aug 2015 09:21:47 +0800</pubDate><description><![CDATA[将一段时间长度的高频信号的峰值点连线，就可以得到上方（正的）一条线和下方（负的）一条线，这两条线就叫包络线。包络线就是反映高频信号幅度变化的曲线。对于等幅高频信号，这两条包络线就是平行线，。


  当用一个低频信号对一个高频信号进行幅度调制（即调幅）时，低频信号就成了高频信号的包络线。这样的信号称为调幅信号。
  从调幅信号中将低频信号解调出来的过程，就叫做包络检波。也就是说，包络检波是]]></description><category></category></item></channel></rss>