资源列表
81
- 滚动轴承是各种机电设备中的重要部件,其主要特点是其寿命的随机性较大,且它的好坏直接影响到设备的正常运行。因而掌握轴承运行的工作状态以及故障的形成和发展是目前机械故障诊断领域中研究的重要内容之一。利用轴承的随机振动信号对其工作状态进行诊断是目前最常用的方法-Rolling is a variety of mechanical and electrical equipment is an important component, its main feature is its randomness
84
- 滚动轴承故障诊断是机械故障检测中一个重要方面。使用小波包分析和包络分析相结合的方法提取轴承微弱振动信号, 克服了传统包络分析方法易丢失信号有效成分的缺点。包络信号的细化谱较好体现了轴承故障信息。-Bearing Fault Diagnosis of mechanical fault detection in an important aspect. The use of wavelet packet analysis and envelope analysis method of combini
85
- 论述了小波包分解及其能量谱处理发动机连杆轴承故障的原理与方法, 结合传统断火诊断法的思想,应用小波包能量谱直观地识别出故障的特征频带, 并进行量化分析, 结果证明了这种方法比传统的付立叶分析方法具有更大的优越性及现实的应用价值-Discussed and wavelet packet energy spectrum processing engine connecting rod bearing failure principles and methods, combined with trad
87
- 小波分析可同时从时域和频域两个方面对信号进行分析,结合包络分析十分适合滚动轴承的故障特征提取;基于双通道的全矢小波分析方法不仅对单通道小波分析方法具有兼容性,而且弥补了传统的基于单通道信 息进行旋转机械故障特征提取造成的信息量不完整、易导致误诊的弊端。结果表明,在针对滚动轴承外圈故障特征提取时,全矢小波分析方法较小波一包络分析方法具有一定的优势。 -Wavelet analysis simultaneously from the time domain and frequency doma
ILI9486_SPEC_V001_20101115
- 320*480分辨率彩屏液晶驱动芯片ILI9481数据手册0.5版本-The DataSheet of ILI9481 320*480TFT LCD Driver IC , version 0.5
Givensr
- this source code is very good
Tperf
- this source code is very we-this source code is very well
Errortf
- this source code is good
Lineperf
- this source code is very we-this source code is very well
Srshcomp
- this source code is very good
PPT
- 这是一个关于一个多功能小车制作的PPT,它记载了小车具备的功能。能给人一个详细的思路去制作一辆安全的小车-This is a car made on a multi-PPT, it records the car have the function. Give people an idea to produce a detailed safety car...
vc-wmi
- vc下利用wmi,连接到远程主机的步骤,以及需要注意的问题说明-vc under use wmi, the steps to connect to a remote host, and the need to pay attention to the problem descr iption