NIO

扬声器及声学子系统开发工程师(实习)

NIO  •  Onsite  •  7 hours ago
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Job Description

扬声器及声学子系统开发工程师(实习)
上海
实习
工程技术
职位 ID:A211832
职位描述
核心工作内容】
扬声器单体及系统性能验(30%)
负责扬声器单体(低音/中音/高音/低音炮)性能实现,督促和协同供应商完成包括阻抗曲线、频响(SPL)、指向性、总谐波失真(THD)和异响(Rub & Buzz)的测试与数据采集。
2. 周边结构件声学影响分析与测试(60%)
负责声学子系统(包含扬声器和周边的钣金安装支架、网罩、密封泡棉、门板内饰腔体等)的声学表现。、
包括但不限于:
a,对子系统建立仿真模型,分析子系统声学表现并对周边件的结构和材料出优化建议;
b,帮助DRE推动周边件的优化,并完成最终的分析报告;
c,搭建子系统测试环境,测试实际子系统声学表现;
d,对比仿真和实测结果,总结经验优化仿真真实性;
e,对各个子系统输出设计建议的L&L;
3. 其他(10%)
参与竞品车的扬声器及子系统的拆解与逆向分析;
参与扬声器出现的问题分析工作;
完成分配的其他工作;
职位要求
1. 教育背景
--本科大三/大四或硕士在读,声学、机械工程(振动方向)、车辆工程、物理或电子工程等相关专业。
--具备电声学基础(理解扬声器工作原理、T/S参数、分频网络)或机械振动基础(固有频率、模态、阻尼)。
2. 硬性技能
--至少接触过以下测试工具中的一种:SoundCheck、Klippel、LMS Test.Lab、Head Acoustics、Rew(若有课程实验经历即可)。
--会使用Comsal软件搭建系统仿真模型并熟练分析模型声学表现;
--能看懂机械图纸,会使用CATIA V5/V6进行简单的数模测量与截面查看。
3. 软素质
动手能力强,不排斥打磨样件、粘贴加速度计、拆装车门内饰板等一线动手工作。
具备噪音敏感性(对汽车异响、音质瑕疵有天然的敏锐度)尤佳。
逻辑清晰,撰写测试报告严谨、规范。
【加分项】
有自主DIY音响、改装车载扬声器或木工音箱制作经验。
熟悉NVH(噪声、振动与声振粗糙度)基础知识。
投递
NIO

About NIO

NIO is a pioneer and a leading company in the premium smart electric vehicle market. Founded in November 2014, NIO’s mission is to shape a sustainable and brighter future together. NIO aims to build a community starting with smart electric vehicles to share joy and grow together with users.

NIO designs, develops, jointly manufactures and sells premium smart electric vehicles, driving innovations in next-generation technologies in autonomous driving, digital technologies, electric powertrains and batteries. NIO differentiates itself through its continuous technological breakthroughs and innovations, such as its industry-leading battery swapping technologies, Battery as a Service, or BaaS, as well as its proprietary autonomous driving technologies and Autonomous Driving as a Service, or ADaaS.

NIO’s models for sale include the all-new smart electric flagship SUV ES8, the smart electric flagship coupe SUV EC7, the smart electric mid-large SUV ES7, the smart electric flagship sedan ET7, the all-new smart electric all-round SUV ES6, the all-new smart electric coupe SUV EC6, the smart electric mid-sized sedan ET5, and the smart electric tourer ET5T.

Industry
Unknown
Company Size
5,001-10,000 employees
Headquarters
Jiading, CN
Year Founded
Unknown
Website
nio.com
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