At the first, signals of friction-induced noise from the beginning to cycle 5 000 under different test conditions are recorded and analyzed.
首先，记录并分析了不同试验条件下摩擦噪声自发生起历经5000次循环时声压级变化的大致历程。
参考来源 - 金属往复滑动条件下摩擦噪声与磨痕形貌关系的探讨Virtual instrument has taken the lead of the profession of instrument. With the use of virtual instrument technology, and corresponding hardware, an entire digital measuring system on rub noise is designed in the paper, the programming language is LabWindows/CVI.
本文的目的就是利用虚拟仪器技术，采用Lab Window/CVI虚拟仪器编程语言和相应的硬件，设计了一套完整的摩擦噪声虚拟测试系统。
参考来源 - 基于虚拟仪器的摩擦噪声测试系统研究·2,447,543篇论文数据，部分数据来源于NoteExpress
这为解释往复滑动摩擦噪声只在向上行程末期发生的原因拓宽了视野。
This difference seems to be applied to explain the cause why the squeal only occurs in the end of the upward-stroke under reciprocating sliding.
由于纳米材料具有很多独特的优点，因此纳米添加剂在摩擦学中得到了广泛的应用，最近又发现在噪声控制方面纳米添加剂具有一定的优势。
Nano-materials have a lot of excellence of specialty, so nanoadditives have a large application in tribology, recently the advantages of nanoadditives in control of noise have been found.
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