CAN总线技术应用越来越广泛，但由于在工业设备、工业自动化等领域，电磁干扰较为严重，保证CAN总线的正常通信尤为重要。本文将分析搭配高速CANFD收发器的总线网络电磁干扰的原因，及具体改善方案。CANFD网络下电磁兼容分析在电子产品的设计中，电磁兼容EMC性能对系统的影响非常大，关系到其能正常稳定运转。世界上已经开始对电子产品的电磁兼容性做强制性限制，电磁兼容性能已经成为产品性能的一个重要指标。电磁兼容主要有两方面的内容，一个是产品本身对外界产生不良的电磁干扰影响，称为电磁干扰发射EMI；另一个是对外界电磁信号的敏感程度称为电磁敏感度EMS。
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现场动平衡测量仪主要功能具有多功能性，既可作转速表用，又可作振动测量用，振动信号分析.现场动平衡测量仪特别是具有动平衡测量的一切功能。（不平衡振动量及相位即时显示）机器振动的频率分析（FFT124点）具有自动用试重法测量影响系数并计算单面和双面*配重，或已知影响系数直接根据测量的原始振动计算*配重，可边测边算，或一次性键入计算能力。（去试重或不去试重选择）现场动平衡测量仪具有将计算出的*配重向左右选定角度计算能力。
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从事测试测量系统集成的朋友都不少遇到过噪声干扰的问题，强电弱电混合系统往往存在各种杂讯，在强干扰环境下保证测量仪器的精度并非易事。本文将介绍一个噪声干扰排除的简单实例，来与大家分享一些经验，欢迎留言探讨。问题背景客户使用我们的功率分析仪（PA）搭建伺服电机测试平台，系统分为驱动器柜、电机平台、测控柜3个分离的机柜。PA安装于测控柜内，驱动柜驱动器输出通过电缆连接到电机平台，电机转轴上安装扭矩传感器，传感器所有连接线引到测控柜，由柜内电源供电，传感器输出信号接入PA电机测量单元扭矩BNC接口。
