<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[phmatthaus的专栏]]></title><description><![CDATA[]]></description><link>https://blog.csdn.net/phmatthaus</link><language>zh-cn</language><generator>https://blog.csdn.net/</generator><copyright><![CDATA[Copyright &copy; phmatthaus]]></copyright><item><title><![CDATA[EtherCAT从入门到精通（12）]]></title><link>https://blog.csdn.net/phmatthaus/article/details/170236253</link><guid>https://blog.csdn.net/phmatthaus/article/details/170236253</guid><author>phmatthaus</author><pubDate>Mon, 09 Nov 2026 07:09:05 +0800</pubDate><description><![CDATA[EtherCAT从入门到精通（12）]]></description><category></category></item><item><title><![CDATA[软考系统架构设计师论文涉及知识点之Redis（17）]]></title><link>https://blog.csdn.net/phmatthaus/article/details/170193684</link><guid>https://blog.csdn.net/phmatthaus/article/details/170193684</guid><author>phmatthaus</author><pubDate>Mon, 09 Nov 2026 07:08:21 +0800</pubDate><description><![CDATA[简单来讲，就是单个键对应的数据体积明显偏大。它可能时一个存了几百万条记录的哈希表、一个长度惊人的列表、或者一个几十兆的字符串。其实在Redis中，并没有显式定义大Key，它是一个通用的术语，用来描述那些在存储和性能方面可能引起问题的键（Key）。通常指的是占用大量内存空间的Key，可能是大型数据结构，如大型字符串、列表、哈希或者集合。Key本身的数据量过大：如一个String类型的Key，其值为5MB。Key中的成员数量过多：如一个ZSET类型的Key，其成员数量为10000.]]></description><category></category></item><item><title><![CDATA[ROS2从入门到精通（0）]]></title><link>https://blog.csdn.net/phmatthaus/article/details/170243454</link><guid>https://blog.csdn.net/phmatthaus/article/details/170243454</guid><author>phmatthaus</author><pubDate>Sun, 08 Nov 2026 07:53:15 +0800</pubDate><description><![CDATA[本文为作者从2026年11月7日起开启ROS2系列学习之旅的序言，旨在通过系统性实践与记录，实现从零到一掌握ROS/ROS2的进阶路径。文章推荐了多本权威书籍，如《ROS机器人开发实践》《ROS2智能机器人开发实践》《精通ROS机器人编程》等，涵盖基础概念、仿真建模、运动规划、导航控制及工业应用等内容，助力读者由浅入深、循序渐进地完成从入门到精通的学习过程。]]></description><category></category></item><item><title><![CDATA[EtherCAT从入门到精通（11）]]></title><link>https://blog.csdn.net/phmatthaus/article/details/170180527</link><guid>https://blog.csdn.net/phmatthaus/article/details/170180527</guid><author>phmatthaus</author><pubDate>Sun, 08 Nov 2026 07:52:40 +0800</pubDate><description><![CDATA[EtherCAT从入门到精通（11）]]></description><category></category></item><item><title><![CDATA[软考系统架构设计师论文涉及知识点之Redis（16）]]></title><link>https://blog.csdn.net/phmatthaus/article/details/170189291</link><guid>https://blog.csdn.net/phmatthaus/article/details/170189291</guid><author>phmatthaus</author><pubDate>Sat, 07 Nov 2026 09:59:02 +0800</pubDate><description><![CDATA[软考系统架构设计师论文涉及知识点之Redis（16）]]></description><category></category></item><item><title><![CDATA[EtherCAT从入门到精通（10）]]></title><link>https://blog.csdn.net/phmatthaus/article/details/170146697</link><guid>https://blog.csdn.net/phmatthaus/article/details/170146697</guid><author>phmatthaus</author><pubDate>Sat, 07 Nov 2026 09:58:20 +0800</pubDate><description><![CDATA[EtherCAT从入门到精通（10）]]></description><category></category></item><item><title><![CDATA[EtherCAT从入门到精通（9）]]></title><link>https://blog.csdn.net/phmatthaus/article/details/170128508</link><guid>https://blog.csdn.net/phmatthaus/article/details/170128508</guid><author>phmatthaus</author><pubDate>Fri, 06 Nov 2026 08:05:48 +0800</pubDate><description><![CDATA[EtherCAT从入门到精通（9）]]></description><category></category></item><item><title><![CDATA[EtherCAT从入门到精通（8）]]></title><link>https://blog.csdn.net/phmatthaus/article/details/170121150</link><guid>https://blog.csdn.net/phmatthaus/article/details/170121150</guid><author>phmatthaus</author><pubDate>Fri, 06 Nov 2026 08:05:02 +0800</pubDate><description><![CDATA[EtherCAT从入门到精通（8）]]></description><category></category></item><item><title><![CDATA[EtherCAT从入门到精通（7）]]></title><link>https://blog.csdn.net/phmatthaus/article/details/170048119</link><guid>https://blog.csdn.net/phmatthaus/article/details/170048119</guid><author>phmatthaus</author><pubDate>Thu, 05 Nov 2026 08:02:28 +0800</pubDate><description><![CDATA[EtherCAT从入门到精通（7）]]></description><category></category></item><item><title><![CDATA[EtherCAT从入门到精通（6）]]></title><link>https://blog.csdn.net/phmatthaus/article/details/170035579</link><guid>https://blog.csdn.net/phmatthaus/article/details/170035579</guid><author>phmatthaus</author><pubDate>Thu, 05 Nov 2026 08:01:52 +0800</pubDate><description><![CDATA[EtherCAT从入门到精通（6）]]></description><category></category></item><item><title><![CDATA[EtherCAT从入门到精通（5）]]></title><link>https://blog.csdn.net/phmatthaus/article/details/170025734</link><guid>https://blog.csdn.net/phmatthaus/article/details/170025734</guid><author>phmatthaus</author><pubDate>Wed, 04 Nov 2026 10:38:28 +0800</pubDate><description><![CDATA[EtherCAT从入门到精通（5）]]></description><category></category></item><item><title><![CDATA[EtherCAT从入门到精通（4）]]></title><link>https://blog.csdn.net/phmatthaus/article/details/169946939</link><guid>https://blog.csdn.net/phmatthaus/article/details/169946939</guid><author>phmatthaus</author><pubDate>Wed, 04 Nov 2026 08:58:46 +0800</pubDate><description><![CDATA[EtherCAT从入门到精通（4）]]></description><category></category></item><item><title><![CDATA[EtherCAT从入门到精通（3）]]></title><link>https://blog.csdn.net/phmatthaus/article/details/169926311</link><guid>https://blog.csdn.net/phmatthaus/article/details/169926311</guid><author>phmatthaus</author><pubDate>Tue, 03 Nov 2026 16:29:57 +0800</pubDate><description><![CDATA[EtherCAT从入门到精通（3）]]></description><category></category></item><item><title><![CDATA[EtherCAT从入门到精通（2）]]></title><link>https://blog.csdn.net/phmatthaus/article/details/169834890</link><guid>https://blog.csdn.net/phmatthaus/article/details/169834890</guid><author>phmatthaus</author><pubDate>Tue, 03 Nov 2026 10:05:33 +0800</pubDate><description><![CDATA[EtherCAT从入门到精通（2）]]></description><category></category></item><item><title><![CDATA[EtherCAT学习之路 —— 概述（2）]]></title><link>https://blog.csdn.net/phmatthaus/article/details/169847886</link><guid>https://blog.csdn.net/phmatthaus/article/details/169847886</guid><author>phmatthaus</author><pubDate>Tue, 03 Nov 2026 09:00:09 +0800</pubDate><description><![CDATA[通过前面的物理层，我们已经具备了基本的发声手段，通过嘴改变声音的频率、音调、音长等特征（通信系统中，天线或者光模块改变信号的电平高低、信号频率、调制方式等特征），让声音在空气中传播（通信系统中，信号在相应的介质中传播），然后，耳朵识别这些频率、音调、音长等特征（通信系统中，接收端的识别信号的电平高低、频率、调制方式），最终实现口到耳的传播。试想一下，你和你的几个朋友处在一个嘈杂的环境当中，远处有汽车的轰鸣，旁边还有小孩子在哭闹，你的朋友们每个人在抢着发言，大家七嘴八舌的，根本听不清对方在说什么。]]></description><category></category></item><item><title><![CDATA[EtherCAT学习之路 —— 概述（1）]]></title><link>https://blog.csdn.net/phmatthaus/article/details/169847632</link><guid>https://blog.csdn.net/phmatthaus/article/details/169847632</guid><author>phmatthaus</author><pubDate>Mon, 02 Nov 2026 19:42:49 +0800</pubDate><description><![CDATA[EtherCAT学习之路 —— 概述（1）]]></description><category></category></item><item><title><![CDATA[从零到一认识外骨骼（12）]]></title><link>https://blog.csdn.net/phmatthaus/article/details/169744210</link><guid>https://blog.csdn.net/phmatthaus/article/details/169744210</guid><author>phmatthaus</author><pubDate>Mon, 02 Nov 2026 11:52:25 +0800</pubDate><description><![CDATA[从零到一认识外骨骼（12）]]></description><category></category></item><item><title><![CDATA[软考系统架构设计师论文涉及知识点之Redis（15）]]></title><link>https://blog.csdn.net/phmatthaus/article/details/169814943</link><guid>https://blog.csdn.net/phmatthaus/article/details/169814943</guid><author>phmatthaus</author><pubDate>Mon, 02 Nov 2026 09:29:33 +0800</pubDate><description><![CDATA[软考系统架构设计师论文涉及知识点之Redis（15）]]></description><category></category></item><item><title><![CDATA[从零到一认识外骨骼（11）]]></title><link>https://blog.csdn.net/phmatthaus/article/details/169737732</link><guid>https://blog.csdn.net/phmatthaus/article/details/169737732</guid><author>phmatthaus</author><pubDate>Sun, 01 Nov 2026 15:42:57 +0800</pubDate><description><![CDATA[从零到一认识外骨骼（11）]]></description><category></category></item><item><title><![CDATA[从零到一认识外骨骼（10）]]></title><link>https://blog.csdn.net/phmatthaus/article/details/169639976</link><guid>https://blog.csdn.net/phmatthaus/article/details/169639976</guid><author>phmatthaus</author><pubDate>Sun, 01 Nov 2026 12:32:04 +0800</pubDate><description><![CDATA[从零到一认识外骨骼（10）]]></description><category></category></item></channel></rss>