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- For prototype test and vibration source analysis on abnormal vibration of3# hydro generating set at Tianshengqiao first cascaded power station, it is useful to find out the vibration source by finite element computation for upper bracket. 对天生桥一级电厂3%23组上机架异常振动进行了真机实测及原因分析,得到的结果是:振动过大的主要原因是发电机转子质量不平衡,次要原因是机组轴线不直。
- vibration source analysis 振源分析
- After dissociating the effective signals, we can locate the vibration source according to the time difference that can be got by using the analysis of correlation-function. 当找到需要的信号后,通过相关函数分析自动获取多道信号的相对时差,进而求取振源的位置。
- A vibration source and a medium are needed to form a mechanical wave. 机械波的形成需要振源和介质。
- The mechanism of vibration source convolution is analyzed,and a method for bispectra-blind source separation for convolved signals is proposed. 分析了振源卷积混叠机理,提出了一种双谱解卷积方法,并从盲源分离和波形恢复的角度对新方法的实用背景进行了概括。
- Analysing datas of domestic and oversea, this paper discusses the use of alkanes and PAHs in the source analysis. 分析了国内外的资料,并结合几年来对北京地区的研究成果,讨论了饱和烃、多环芳烃等有机污染物在源解析方面的应用。
- The paper introduces a new design of marine shafting flexible drive.High-elastic shaft coupling seperates two major vibration source of diesel engine and screw propeller. 介绍了一种全新的船舶轴系柔性传动型式,可承受推力的高弹联轴器隔断了柴油机和螺旋桨两大振动源;
- In terms of technical model, it introduces Transtar linguistic model, structural design, basic idea on source analysis and target generation. 在技术方法中，介绍了译星系统的语言模型、结构设计、源文分析与译文生成思想。
- Technical user expectation can include producibility, compositive database, compositive desired result to cover this year, power source analysis and systematic level design. 技术用户期望今年可以包括可生产性、集成数据库、集成校验套件、电源分析和系统级设计。
- Competitor sourcing analysis to keep company's competence in sourcing. 采购竞争对手的分析以保持公司的采购竞争力.
- The mechanism of vibration of rotary piston vacuum pump is investigated and the vibration sources of the pump are identified by using the spectrum analysis and waveform analysis techniques. 对滑阀真空泵的振动机理进行研究，用谱分析和波形分析等技术识别泵的振源；对泵进行动力分析，定量计算振动力的大小。
- According to the characteristic of the vibration source and the way by which the waves propagating, a simple prediction model is proposed for the ground vibration induced by trains. 根据振源特点及振动波的传播方式，本文提出一种列车荷载作用下地面振动预测的简化模型。
- Geometrical optics approach can only calculate the high frequency approach solution of drilling bit vibration source wave equation in non caustic area but it become invalid in caustic area. 由于几何光学法求解钻头震源波动方程的高频近似解有局限性,即在焦散区失效,故只能计算非焦散区的高频近似解。
- Analyzed the structural and run of currency count machine,identified the most noise source and vibration source in experiment method,and discussed the method of reducing vibration and lowering noise. 分析了点钞机结构和运行情况,用试验方法识别其主要噪声源和振动源,深入探讨了点钞机减振降噪方法,取得了显著效果。
- A monoaxial vibrating motor placed transversely on a sifter as a vibration source of a high speed sifter was developed in this paper. 提出将单轴振动电机横置于筛体上作为高速振动筛的振动源。
- For structure-borne NVH, the problem may be the vibration source, resonance system, transmission system or vibrating elements. 对结构振动噪音应从激振力、共振系统、传输系统、及振动元件著手；
- Changing the cardan shaft fork, so that both sides of the mouth to form a flat schizaphis, generated new vibration sources. 在调换万向轴节叉时，给夺目使两脚的叉口成一立体，否则会爆发陈的波不静流。
- The news comes from a reliable source. 这消息来自可靠的来源。
- The Noise Source Analysis of Pneumatic Rock Drill 气动凿岩机噪声声源的分析
- Water Source Analysis on Haibowan Power Plant 海勃湾发电厂水资源分析
