查询词典 vibration point

In chapter Ⅴ, from the point of the system'view of the vibration data acquisitor for rotating machinery, the major—minor processor structure in this system is analysed, the characteristics of the major processor DSP56001, the function of the minor microcomputer PC have been explained. The Memory Spaces Configuration, Synchronous Serial Interface , Serial Communications Interface , Host— Port and Peripheral Buses of the DSP system are summarized, and its timing is explained. The DSP system interfaces with the boards have been explained further.

第Ⅴ章，从旋转机械振动数据采集器的系统出发，分析了该系统的主—次处理器结构，说明了主处理器DSP56001的特点及次微机PC的地位和作用；概述了DSP系统的存储器空间设置、同步串行接口、串行通讯接口、主接口和外设总线，并说明其工作时序；对DSP系统与各模块之间的接口关系，作了进一步的说明。

A new vibration griddle which is working on the driving point antiresonance state is put forward.

本文提出了一种工作在原点反共振状态的振动筛。

By applying the difference arithmetic to solve the differential vibration model of the single-degree-of-freedom,the acceleration responses of the vibrated bevel wheel was calculated.The bevel wheel contact fault was simulated by taking it as the impulsion loading in local point.By using techniques of wavelet de-noising and demodulated resonance,gear contact character information was picked up successfully.

从齿轮的单自由度振动模型出发，运用差分算法对模型进行求解，得到斜齿轮的振动加速度响应，将齿面接触型故障等效为在局部点突加一个冲击载荷，对齿轮齿面接触型故障进行了仿真，利用小波降噪和共振解调技术分别对仿真的染噪振动加速度信号进行处理，成功地提取了轮齿接触故障的信息。

The turning point is an extended version of "Crazy Baldhead"(1976's Rastaman Vibration), in which Marley seemingly enters a trance, performing primarily with eyes closed.

转折点是一个延长版的"疯狂的秃子"（ 1976年的Rastaman振动），其中马尔雷似乎进入了一个恍惚，表演主要闭眼。

The method is suitable for vibration analysis of the slab simply supported by internal elastic point under other boundary condition.

该方法适用于内部为弹性点支承的其它边界条件的简支板分析。

Iii From the point of view of fault diagnosis, the information model is given and the frequency domain, time domain and circular fluctuation characteristic of the cylinder cap vibration signal of diesel engine are analyzed.

分析了样本长度对窗谱校正精度的影响。3、从故障诊断角度出发，给出了柴油机缸盖振动信号的信息模型。

From crankle coupling point of view,circumvolving shafting vibration is studied so as to get the shafting dynamics characteristic more accurately thus promising the security of the shafting's running .

从弯扭耦合的角度来研究旋转轴系的振动，将能更准确地把握轴系的动力学特性，从而为轴系的安全运行提供更有效的保障。

Based on description method of damping motion in mechanical vibration, variables movement of generator are divided into two basic motion models: damping oscillation and critical damping motion. Detail methods of extracting damping parameters from simulation data is introduced to establish variable motion models. An approximate method is put forward to simulate low-frequency signal and generator response characteristic, from which motion models and damping parameters of main variables are obtained. The influences of oscillation amplitude, frequency and initial operating point of power system to the motion damping parameters are analyzed.

借鉴机械振动中阻尼运动的描述方法，将低频振荡下发电机主要变量的运动归纳为阻尼振荡和临界阻尼两种基本运动形态；介绍了从仿真数据提取阻尼参数建立参数运动模型的方法，实现对发电机振荡特性的量化分析；提出一种系统侧低频振荡信号的近似模拟方法，并应用于发电机响应仿真，获得了主要变量的运动模型和阻尼参数；分析了系统侧振荡幅度、频率以及初始工况对发电机功角振荡的影响。

Aiming at the problem of the odd point in the calculation of rotors torsional vibration characteristics by using the improved Riccati method, this paper presents a new viewpoint about how to confirm and remove the lost root and the added root of equation.

本文针对采用改进型Riccati方法计算轴系扭振特性中所出现的奇点问题，提出还需检测判断剩余量与振型，从而进一步确定和排除方程"漏根"和"增根"的方法。

This paper set out from the high order shear deformation theory at first, and utilize the spline finite point method to set up a new dynamic model of piezoelectric intellectual plate. Secondly ,a corresponding MATLAB program is written according to the theory, and has analysed the deformation of the piezoelectric intellectual plate. In the end , this paper has analysed the vibration control of the piezoelectric intellectual plate. Some results are compared with the analytic values, and have proved the rationality of the results of this paper.

本文首先从高阶剪切变形理论出发，利用样条有限点法，建立了压电智能层合板新的动力模型；其次，利用MATLAB语言编写了相应的计算机程序，对压电智能层合板的变形进行了分析；最后分析了压电智能层合板振动控制问题；其中一部分结果与相应的解析解作了详细的比较，证明了本文结果的合理性。

Objective: To study the effect of polycythemia on blood oxygen saturation.

裴蕾目的：观察RBC剧增而引起的高粘血症对血氧饱和度的影响。

Based on SIMPLER algorithm in the curvilinear body-fitted coordinates, the calculations were performed for Pr=0.7, Re=10~1000 on non-orthogonal non-staggered grids which are generated by elliptic equation systems.

采用曲线坐标系下压力与速度耦合的SIMPLER算法，数值研究了周期性渐扩渐缩波纹通道内脉动流动与换热情况，流动Re数的范围为10~1000，Pr数为0.7。