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- ad技术的一些经验，来源于浙江机电职业技术学院电气系机电0852班-some experience ad technologies, from Zhejiang Vocational and Technical College of Electrical and Mechanical Department of Electrical and Electric 0852 Class
IDF_V30_Spec
- Mechanical Data Exchange Specificationfor the Design and Analysis ofPrinted Wiring Assemblies V3.0
IDF_V40_Spec
- Mechanical Data Exchange Specificationfor the Design and Analysis ofPrinted Wiring Assemblies V4.0
IDF_V40_Overview
- Mechanical Data Exchange Specificationfor the Design and Analysis of Printed Wiring Assemblies Overview
IDF_V40_Presentation
- Mechanical Data Exchange Specificationfor the Design and Analysis of Printed Wiring Assemblies Presentation
entire
- it is about mechanical and electrical design of pumping
g03_man
- gaussian is a complex package for performing ab-initio quantum-mechanical molecular dynamics (MD) simulations using pseudopotentials or the projector-augmented wave method and a plane wave basis set.
USB_footpin_including_A_B_mini_type
- 包含所有的常用USB接口的机械结构，包含A、B和MINI类型的DIP和SMD封装结构！-Contains all of the common USB interface, the mechanical structure, including A, B and MINI DIP and SMD type package structure!
Biomedical-Instrumentation
- While medical instruments acquire and process information and data for monitoring patients and diagnosing illnesses, medical devices use electrical, mechanical, chemical, or radiation energy for achieving a desired therapeutic purpose, maintaining ph
Lens-of-Image-Sensor-
- 我國光電產業技術發展趨勢與世界技術發展方向同步，實有賴技術發展的成熟以及光、機、電、材料技術整合的奏效，光電產業技術與產品發展瞬息萬變，光電產業的發展是以〝技術預測來展望未來〞。-China s optoelectronics industry technology trends and the direction of world-Sync technology, relies on mature technology and optical, mechanical, electrical,
JBT-3162.4-1993
- 机械行业，机械设计，机械传动，滚珠丝杠行业标准-Machinery, mechanical design, mechanical drive, ball screw industry standards
Mechanical-Drawing
- 机械制图的基本知识，基础讲解，基础学习。快速掌握机械制图-Basic knowledge of mechanical drawing, basic explanations, based learning. To grasp the mechanical drawing
jixielingjianshejishouce
- 介绍了常用机械公式，机械制图方法及一般标准。-Commonly used mechanical formulas, mechanical drawing methods and standards.
liangzilixue
- 量子力学综述。包括薛定谔方程，力学量的算符， 表象和表象变换， 氢原子与电子自旋-Review of quantum mechanics. Including the Schrodinger equation, the operator of the mechanical quantities, representation and transformation of representations, the hydrogen atom and the electron spin
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- 将高阶时频表示引入机械故障诊断领域。介绍了Wigner 高阶矩谱(WHOS)的概念、定义。针对多分量信号Wigner 高阶矩谱的交叉项会产生“虚假信号”,结合局域波法, 提出了一种抑制WHOS交叉项的新方法。首先对复杂信号进行预处理, 利用局域波分解方法把其分解成有限个具有单分量特性的基本模式分量,然后对每个基本模式分量计算WHOS。该方法能有效抑制WHOS时频分布的交叉项。通过仿真实验和转子的故障实验,以Wigner 双谱为例, 验证了该方法的实用性,为故障诊断的特征提取提供了新的工具-Hig
基于核函数主元分析的机械故障诊断方法
- 提出基于核函数主元分析的机械故障诊断方法, 它保留主元分析的优点并具有处理非线性的能力。该方法通过核函数映射将非线性问题转换成高维的线性特征空间, 然后对高维空间中的映射数据作主元分析,提取其非线性特征, 对机械故障模式进行识别。并与主元分析方法进行对比分析, 实验结果表明核函数主元分析法非常有效。-Proposed mechanical fault diagnosis method based on Kernel Principal Component Analysis, it retains
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- 机械设备发生故障时, 故障特征的提取很重要。对于多通道的设备故障振动信号, 应用非平稳信号的盲源分离算法, 可以有效地提取各自独立的非平稳振动源,从而可以准确地进行机械故障诊断。针对不同时频分布的非平稳盲源分离算法, 比较了它们的分离效果。以转子的复合故障为例, 验证了该算法在故障诊断中可行性。-Machinery and equipment failure, the fault feature extraction is very important. Failure vibration si
Exercicios_resolvidos_fundamentos_de_fisica_eletr
- for physics soolutions for those who studies mechanical engineering physics halliday
Thermal
- THERMAL APPLICATIONS . thermal machines studies. for mechanical engineering and maybe eletrical engineering
MEMS-IMU
- This thesis is to investigate the integration of Precise Point Positioning GPS and low cost MEMS IMU. Both loosely and tightly coupled Kalman filters are developed to derive the optimal navigation solution.Global Positioning System (GPS) and lo