<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[superbuffegg的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/superbuffegg</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; superbuffegg]]></copyright><item><title><![CDATA[evo安装]]></title><link>https://blog.youkuaiyun.com/superbuffegg/article/details/129720491</link><guid>https://blog.youkuaiyun.com/superbuffegg/article/details/129720491</guid><author>superbuffegg</author><pubDate>Wed, 22 Mar 2023 22:06:06 +0800</pubDate><description><![CDATA[【代码】evo安装。]]></description><category></category></item><item><title><![CDATA[2D(单线)激光雷达PointCloud与LaserScan格式转换]]></title><link>https://blog.youkuaiyun.com/superbuffegg/article/details/129390787</link><guid>https://blog.youkuaiyun.com/superbuffegg/article/details/129390787</guid><author>superbuffegg</author><pubDate>Tue, 07 Mar 2023 20:33:39 +0800</pubDate><description><![CDATA[2D(单线)激光雷达PointCloud与LaserScan格式转换]]></description><category></category></item><item><title><![CDATA[python文件有中文注释时报错解决办法]]></title><link>https://blog.youkuaiyun.com/superbuffegg/article/details/126016242</link><guid>https://blog.youkuaiyun.com/superbuffegg/article/details/126016242</guid><author>superbuffegg</author><pubDate>Wed, 27 Jul 2022 15:40:42 +0800</pubDate><description><![CDATA[python文件有中文注释时报错解决办法。]]></description><category></category></item><item><title><![CDATA[栈顶与栈底]]></title><link>https://blog.youkuaiyun.com/superbuffegg/article/details/125948817</link><guid>https://blog.youkuaiyun.com/superbuffegg/article/details/125948817</guid><author>superbuffegg</author><pubDate>Sat, 23 Jul 2022 16:17:41 +0800</pubDate><description><![CDATA[栈顶与栈底]]></description><category></category></item><item><title><![CDATA[A*与JPS]]></title><link>https://blog.youkuaiyun.com/superbuffegg/article/details/125199578</link><guid>https://blog.youkuaiyun.com/superbuffegg/article/details/125199578</guid><author>superbuffegg</author><pubDate>Sat, 23 Jul 2022 10:32:40 +0800</pubDate><description><![CDATA[A*与JPS思想详细介绍A*与JPS实操对比。]]></description><category></category></item><item><title><![CDATA[Ubuntu下多个gcc、g++版本设置优先级]]></title><link>https://blog.youkuaiyun.com/superbuffegg/article/details/125018812</link><guid>https://blog.youkuaiyun.com/superbuffegg/article/details/125018812</guid><author>superbuffegg</author><pubDate>Sat, 28 May 2022 15:29:08 +0800</pubDate><description><![CDATA[查看gcc\g++安装了哪几个版本


ls /usr/bin/gcc*
ls /usr/bin/g++*

设置优先级，后面数字越大，优先级越高


sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-7 10
sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-11 50

sudo update-alternatives --install /us]]></description><category></category></item><item><title><![CDATA[激光SLAM：cartographer]]></title><link>https://blog.youkuaiyun.com/superbuffegg/article/details/124251107</link><guid>https://blog.youkuaiyun.com/superbuffegg/article/details/124251107</guid><author>superbuffegg</author><pubDate>Mon, 18 Apr 2022 16:01:23 +0800</pubDate><description><![CDATA[cartographer简介

cartographer是google开发的实时室内SLAM项目，cartographer采用基于google自家开发的ceres非线性优化的方法，cartographer的亮点在于代码规范与工程化，非常适合于商业应用和再开发。并且cartographer基于submap子图构建全局地图的思想，能有效的避免建图过程中环境中移动物体的干扰。并且cartographer支持多传感器数据（Odometry、IMU、LaserScan等）建图，支持2D_SLAM和3D......]]></description><category></category></item><item><title><![CDATA[虚拟机（Ubuntu）与主机之间无法复制粘贴/拖拽问题]]></title><link>https://blog.youkuaiyun.com/superbuffegg/article/details/123896771</link><guid>https://blog.youkuaiyun.com/superbuffegg/article/details/123896771</guid><author>superbuffegg</author><pubDate>Fri, 01 Apr 2022 14:16:25 +0800</pubDate><description><![CDATA[sudo apt-get autoremove open-vm-tools

sudo apt-get install open-vm-tools-desktop

安装过程一路回车！！！问题解决！！！
]]></description><category></category></item><item><title><![CDATA[Spyder：绘图时图片标题中文不显示]]></title><link>https://blog.youkuaiyun.com/superbuffegg/article/details/123173815</link><guid>https://blog.youkuaiyun.com/superbuffegg/article/details/123173815</guid><author>superbuffegg</author><pubDate>Mon, 28 Feb 2022 02:20:48 +0800</pubDate><description><![CDATA[插入如下代码：


plt.rcParams['font.sans-serif']=['SimHei']

plt.rcParams['axes.unicode_minus'] = False

]]></description><category></category></item><item><title><![CDATA[Cmake和Mingw下载]]></title><link>https://blog.youkuaiyun.com/superbuffegg/article/details/122335686</link><guid>https://blog.youkuaiyun.com/superbuffegg/article/details/122335686</guid><author>superbuffegg</author><pubDate>Thu, 06 Jan 2022 03:07:11 +0800</pubDate><description><![CDATA[​​​​​​Download | CMake

Downloads - MinGW-w64
]]></description><category></category></item><item><title><![CDATA[sublime text: 安装package control]]></title><link>https://blog.youkuaiyun.com/superbuffegg/article/details/122333830</link><guid>https://blog.youkuaiyun.com/superbuffegg/article/details/122333830</guid><author>superbuffegg</author><pubDate>Wed, 05 Jan 2022 22:42:44 +0800</pubDate><description><![CDATA[方法一：命令面板



打开命令面板Win/Linux:ctrl+shift+p, Mac:cmd+shift+p
	键入Install Package Control，按enter
方法二：手动

单击首选项&gt;浏览包...菜单
	浏览一个文件夹，然后进入Installed Packages/文件夹
	下载Package Control.sublime-package并将其复制到Installed Packages/目录中
	重启 Sublime Text
...]]></description><category></category></item><item><title><![CDATA[十大经典排序算法]]></title><link>https://blog.youkuaiyun.com/superbuffegg/article/details/122174080</link><guid>https://blog.youkuaiyun.com/superbuffegg/article/details/122174080</guid><author>superbuffegg</author><pubDate>Mon, 27 Dec 2021 15:56:45 +0800</pubDate><description><![CDATA[十大经典排序算法（动图演示） - 一像素 - 博客园
]]></description><category></category></item><item><title><![CDATA[C/C++编写简单的makefile]]></title><link>https://blog.youkuaiyun.com/superbuffegg/article/details/122154316</link><guid>https://blog.youkuaiyun.com/superbuffegg/article/details/122154316</guid><author>superbuffegg</author><pubDate>Sun, 26 Dec 2021 13:12:56 +0800</pubDate><description><![CDATA[#Source file  
	SRC = $(shell find ./ -name "*.cpp") 
#Object file  
	OBJ = $(SRC:.cpp=.o)  
#Output execution file  
	PROGRAM =output
#Compiler  
	CC = g++  
#Include  
	INCLUDE = -I/usr/include/ncurses -I/usr/include/  
#Linker Parameter  
	LINKPARAM = .]]></description><category></category></item><item><title><![CDATA[偏最小二乘法与最小二乘法的区别]]></title><link>https://blog.youkuaiyun.com/superbuffegg/article/details/122064327</link><guid>https://blog.youkuaiyun.com/superbuffegg/article/details/122064327</guid><author>superbuffegg</author><pubDate>Tue, 21 Dec 2021 15:56:46 +0800</pubDate><description><![CDATA[指代不同

1、偏最小二乘法：够在自变量存在严重多重相关性的条件下进行回归建模；允许在样本点个数少于变量个数的条件下进行回归建模。

2、最小二乘法：通过最小化误差的平方和寻找数据的最佳函数匹配。利用最小二乘法可以简便地求得未知的数据，并使得这些求得的数据与实际数据之间误差的平方和为最小。

特点不同

1、偏最小二乘法：在计算方差和协方差时，求和号前面的系数有两种取法：当样本点集合是随机抽取得到时，应该取1/(n-1)；如果不是随机抽取的，这个系数可取1/n。

2、最小二乘法：可用于曲线拟合。其他一些优]]></description><category></category></item><item><title><![CDATA[激光雷达与相机标定时的时间戳同步问题]]></title><link>https://blog.youkuaiyun.com/superbuffegg/article/details/122056610</link><guid>https://blog.youkuaiyun.com/superbuffegg/article/details/122056610</guid><author>superbuffegg</author><pubDate>Tue, 21 Dec 2021 10:28:46 +0800</pubDate><description><![CDATA[常见的同步技术有两种，一种是基于GPS的“PPS+NMEA”，另一种是基于以太网的IEEE 1588（或IEEE 802.1AS）时钟同步协议。

GPS能够从卫星获得高精度的时钟信号，因此通常作为整个系统的时钟源。常规的GPS单元都支持输出精确到毫秒的秒脉冲信号PPS和包含年月日时分秒信息的NMEA指令，通过PPS和NMEA的组合就能够实现对激光雷达或主机的毫秒级时钟同步。只要激光雷达支持基于RS232接口的PPS+NMEA时钟同步输入信号，就可以实现毫秒级的时钟同步。

PPS+NMEA的优点是协议简单]]></description><category></category></item><item><title><![CDATA[同步电机与异步电机]]></title><link>https://blog.youkuaiyun.com/superbuffegg/article/details/122038114</link><guid>https://blog.youkuaiyun.com/superbuffegg/article/details/122038114</guid><author>superbuffegg</author><pubDate>Mon, 20 Dec 2021 11:43:26 +0800</pubDate><description><![CDATA[1、同步电机转速与电磁转速同步，而异步电动机的转速则低于电磁转速，同步电机不论负载大小，只要不失步，转速就不会变化，异步电动机的转速时刻跟随负载大小的变化而变化。

2、同步电机的精度高、但造工复杂、造价高、维修相对困难，而异步电机虽然反应慢，但易于安装、使用，同时价格便宜。所以同步电动机没有异步电机应用广泛。

3、同步电机多应用于大型发电机，而异步电机几乎应用在电动机场合。
...]]></description><category></category></item><item><title><![CDATA[ROS下加速编译解决方案]]></title><link>https://blog.youkuaiyun.com/superbuffegg/article/details/121993720</link><guid>https://blog.youkuaiyun.com/superbuffegg/article/details/121993720</guid><author>superbuffegg</author><pubDate>Fri, 17 Dec 2021 12:56:34 +0800</pubDate><description><![CDATA[在ROS工程中，修改了单个功能包后，重新编译所有代码完全是费时费力的，此时只需要重新编译修改了的功能包：

指定编译编译单个功能包：


catkin_make -DCATKIN_WHITELIST_PACKAGES="功能包名"

解除指定功能包编译：


catkin_make -DCATKIN_WHITELIST_PACKAGES=""

在工程量较大的时候，代码一起编译的速度过慢，怎么办？可以使用多线程编译：


catkin_make -j2 -l2


//-j2，j 是 job 的意思，代表允]]></description><category></category></item><item><title><![CDATA[修改Linux系统时间]]></title><link>https://blog.youkuaiyun.com/superbuffegg/article/details/121993626</link><guid>https://blog.youkuaiyun.com/superbuffegg/article/details/121993626</guid><author>superbuffegg</author><pubDate>Fri, 17 Dec 2021 12:38:16 +0800</pubDate><description><![CDATA[系统时间不对？一招解决！精确到分钟即可！


sudo date -s "2021-12-17 12:32:00"


]]></description><category></category></item><item><title><![CDATA[ssh公钥免密登录]]></title><link>https://blog.youkuaiyun.com/superbuffegg/article/details/121986712</link><guid>https://blog.youkuaiyun.com/superbuffegg/article/details/121986712</guid><author>superbuffegg</author><pubDate>Fri, 17 Dec 2021 00:04:14 +0800</pubDate><description><![CDATA[生成公钥密钥对：ssh-keygen -t rsa(客户端)
上传公钥到服务端：ssh-copy-id 服务端用户名@服务端ip地址


如果遇到以下问题：

ssh-copy-id : 无法将“ssh-copy-id”项识别为 cmdlet、函数、脚本文件或可运行程序的名称。

解决方法：

在终端先执行以下内容：


function ssh-copy-id([string]$userAtMachine, $args){   
    $publicKey = "$ENV:USERPROFILE" +.]]></description><category></category></item></channel></rss>