vibra

An optimum parameter searching method that can improve the ICA algorithm is proposed and applied to the separation between vibra signal and noise .

利用最优参数搜索法改进了独立分量分析（ICA）算法，用于求解转子系统振动信号与噪声的盲分离问题。

After that , the separated vibra signal is analyzed on the wavelet packet decomposition to obtain the early rub impact fault features .

在此基础上，对分离后的振动信号利用小波包分解进行早期碰摩信号的检测。

Improvement of Erection Method of Inertial Vibra Feeder

惯性振动给料机安装方式的改进

Standardizing Vibra day check consistency is of great importance to quality monitoring and acceptance in vibroshock production .

规范震源日检一致性的标准，对可控震源生产中的质量监控和质量验收是十分重要的。

The information Control Method ( ICM ) and Its Use in Weakening Enviromental Vibra Focus to Dynamic Foundations in Wugang

信息控制法（ICM）及其在武钢动力基础消减环境振源中的应用

Vibra Consistency and Application of Vibra Check

震源一致性与Vibracheck的应用

Frequency screen is a new high efficiency machine and has the advantages of electromagnetic vibra - tion , high frequency , high capacity and high screening efficiency .

复频筛是一种新型高效的筛分设备，具有电磁振动、高频率、设备处理能力大、筛分效率高等优点。

A Fuzzy Optimization Technique for Defining Mass of Vibrating Body of Vibra Feeder or Vibrosieve Improvement of Erection Method of Inertial Vibra Feeder

振动机槽体质量的模糊优化方法惯性振动给料机安装方式的改进

On the development process of the variable thrust rocket engine combustion vibra ions are encountered in the low working conditions , we solved this problem finely by lateral baffle .

在研制变推力火箭发动机的过程中，低工况时遇到了燃烧振荡问题，我们采用横向挡流板很好地解决了这个问题。

Simulation results show that the modified ICA algorithm is effective on denoise of vibra signal , and wavelet packet decomposition may provide richer early rub impact fault information than wavelet decomposition .

结果显示最优搜索的ICA算法运行效率高，信号分离纯度好，对振动信号有高效的降噪作用，并利用小波包分解准确地检测出振动信号中的碰摩信息，其效果优于小波分解法。

This paper approves the importance in producing minimum vibra - tion energy during the broken of stiff sandstone roof in working of stress releasing seams by caving method .

论文证实了用垮落法开采卸压层使坚硬砂岩顶板折断时产生的振动能为最小的要义。

On the basis of background of the research project , the article analyzes the characteristic of the multi-sensors system , This thesis particularly discusses the development of data fusion center that fuses information come from sound and infrared and vibra sensors .

根据课题的背景，分析了多传感器系统的特点，详细论述了多传感器探测系统前端的声音、红外和振动传感器信息融合系统的开发过程。

The dynamic foundation of four high rotation air compressors at the first new air compressor station was disturbed by six kinds of environmental vibra focuses . The muximum amplitude of vibration at the ground of the station was 360 μ .

武钢新一号空压机站（以下简称新一空）四台高转速空压机动力基础处在受到六种环境振源干扰的场地中，地表最大振幅达到360μ，远超出该动力基础设计要求。

This paper is aimed at the phenomenon of vibra tion centre in vibrating oil cylinder , and puts forward a new correcting device of vibrating centre . The device is simple in structure , reliable on performance and has a good prospect of use .

本文针对振动油缸振动中心的偏移现象，提出了一种新的振动中心纠偏装置，该装置结构简单，性能可靠具有一定的应用前景。