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A Simplilearn Certificate Goes on LinkedIn Each Minute; Here’s How Krishna Kumar Built It From a Blog

17 years ago, Krishna Kumar started offering free PMP prep online. Today, it’s a leading digital upskilling platform that helps millions upskill in AI, cybersecurity, data science, and more.

Class Central Team Jun 22, 2026

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飞行动力学与飞行控制


飞行控制是战机的灵魂，是确保精确操纵飞机，有效发射航空武器，夺取空战胜利重要保障。飞行动力学与飞行控制课程，向您揭示其中的奥秘。
- XuetangX
- Self-Paced
- Free Online Course
航空机械检测技术


探索航空机械检测技术，包括无损检测、油液分析和电气检测方法，掌握目视、渗透、磁粉、涡流、超声波等检测技术及其在飞机和发动机维护中的应用。
- XuetangX
- Self-Paced
- Free Online Course
工程抗震


Master essential principles of earthquake-resistant engineering, from seismic response analysis to design methods for buildings and bridges, incorporating isolation and damping technologies for safer infrastructure.
- XuetangX
- Self-Paced
- Free Online Course
计量经济学


在数据驱动的经济时代，本课程是研究生的必备选择。掌握计量经济学，能精准分析经济数据背后的因果关系，为学术研究与政策制定提供有力支撑，提升你的科研水平与决策能力。
- XuetangX
- Self-Paced
- Free Online Course
Turf Estanblishment and Maintenance

Master the essentials of lawn grass identification, establishment techniques, and maintenance practices while developing skills to design and implement effective turf management solutions.
- XuetangX
- Self-Paced
- Free Online Course
基层临床能力双轨提升系列课程


掌握基层医疗核心技能，涵盖内外妇儿急诊等高频场景的诊疗难点与操作规范，助力提升临床判断精准度与实战能力。
- XuetangX
- Self-Paced
- Free Online Course
流体力学


深入探究流体在静止和运动状态下的力学规律，掌握流体静力学、运动学、动力学基础理论，学习流动阻力计算和工程应用，培养解决流体力学问题的能力。
- XuetangX
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- Free Online Course
马克思主义基本原理


掌握马克思主义哲学核心原理，运用辩证唯物主义和历史唯物主义分析社会现象，培养科学世界观和方法论，理解社会发展规律与人类历史趋势。
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- Free Online Course
工程概预算与项目管理


掌握公路工程概预算编制、造价构成及项目管理方法，学习招投标报价、合同管理、施工组织与网络计划技术，培养工程造价文件编制能力。
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数字电路与逻辑设计


掌握数字电路与逻辑设计的核心原理，从逻辑门、组合与时序电路到ADC/DAC转换，培养独立完成数字系统设计与工程实践的能力。
- XuetangX
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- Free Online Course
卫星通信


掌握卫星通信核心原理与关键技术，从轨道设计、地球站构成到链路分析与多址技术，具备分析和设计基本卫星通信系统的能力。
- XuetangX
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- Free Online Course
飞行程序设计


Explore the principles and methods of flight procedure design, covering instrument approaches, precision/non-precision procedures, departure design, PBN, and airport operating minimums.
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管理学概论


探索管理学基础概念、原理与演进，培养现代管理思维，涵盖激励、领导、组织设计及决策等核心内容，适合非管理类专业学生。
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大学物理-电磁学（英文授课）

探索电磁学基本理论,领略科学之美。全英文授课,辅以双语字幕,涵盖电场、磁场、电磁感应等核心内容,培养物理思维与英语能力。
- XuetangX
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- Free Online Course
航空导航系统


掌握现代军用与民用航空无线电导航系统的工作原理、信号格式和实现技术，涵盖近程、中远程导航及着陆引导系统，实现空地一体化导航技术应用。
- XuetangX
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- Free Online Course

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