资源列表
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- 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
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- 基于循环统计理论, 对循环平稳信号进行处理, 主要研究了信号的二阶循环统计特性, 即循环自相关函数和循环谱密度, 指出循环自相关函数不为零的循环频率对应着信号中的某些故障, 并 可以对调幅信号进行解调. 通过循环频率扫描方法提取的调制源分布在循环频率域的低频段, 其结 果可用循环频率-频率- 循环谱密度的三维图表示. 用仿真信号对该方法进行验证, 并应用于滚动轴承的内、外圈及滚动体的故障诊断, 可以有效地分离出所对应的故障特征频率.-Statistical theory based on
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- 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
q
- 一般常用的c++实例，希望能对大家有用，包括以下内容简单计算器、累加一行字符中的数字、求素数、打印菱形等-Commonly used c++ instance, we hope to be useful, including the following simple calculator, cumulative figures in his characters, find prime numbers, print diamond, etc.
D
- 任何一门语言,都要注意源码格式书写规范.下面说说Delphi 源码格式书写规范.-Any one language, we must pay attention to source code written in the format specification. Following talk Delphi source code written in the format specification.
Attachments_201358
- this about variable structure
STM32f100xx
- STM32F100x4 STM32F100x6 STM32F100x8 STM32F100xB Low & medium-density value line, advanced ARM-based 32-bit MCU with 16 to 128 KB Flash, 12 timers, ADC, DAC & 8 comm interfaces
matlabalingo
- 2000年数学建模B题 材料运输 程序代码-Mathematical modeling in 2000 B material transportation program code
XDL
- 小电流接地选选线装置源程序。在配网系统中针对单相接地故障而开发的一种选线装置。应用非常广泛。-Small current grounding line selection device source. In the distribution network system for single-phase ground fault line selection and development of a device. Is widely used.
Torrent-file-analysis
- 用实际的例子对Torrent文件结构解析，说明Torrent文件的实际结构-Torrent file structure for the practical example, the structure of the Torrent file
TIFFspec
- TIFF Revision 6.0 Final — June 3, 1992
CIFFspec
- CIFF Specification on Image Data File Version : 1.0 revision 4 Date : December 24, 1997