说得具体些,相对论预言,时间并不是按照一个固定频率流动的,它会受到加速度的影响。
Specifically, Einstein's special theory of relativity predicts that time does not flow at a steady rate, and it can be affected by acceleration.
通过对实型铸造干砂振动填充紧实中的振动方向、维数、频率、加速度及干砂种类等诸多影响要素的测定实验,研究了实型铸造振动紧实干砂的性能。
Vibratory compactability of dry sand in full mold foundry has been researched by experiments on effective factors such as vibratory direction, dimensions, frequency, acceleration and dry sand sorts.
该系统可以测量频率低至直流的加速度。
The system can measure the direct current frequency acceleration.
动力试验表明,由于耗能支撑滑动荷载不变,它的顶点最大加速度反应同地震大小及其频率特性无关。
Vibration test shows that the maximum acceleration response at the bracing top is not related to earthquake magnitude and its frequency characteristics since its sliding force remains unchanged.
最后利用基于加速度响应的ITD法识别结构的模态参数:频率和振型等。
At last, ITD method based on free acceleration response is used to identify mode parameters, frequencies and modal.
尤其是石英晶体谐振片采用了SC切型进一步提高了短期频率稳定度和加速度灵敏度。
Especially, the use of SC cut quartz crystal further improves the short-term frequency stability and acceleration sensitivity.
第六章主要对角度变化率和离心加速度参数的获取技术进行了研究,提出了几种高精度测量脉冲序列多普勒频率变化率的方法。
The sixth chapter studies the techniques in measuring the bearings changing rate and centrifugal acceleration, and poses several algorithms of measuring pulse Doppler shift frequency changing rate.
通过理论计算,得出了线加速度与敏感元件谐振频率之间的关系,并通过有限元软件对其进行了仿真计算。
Relationship between the linear acceleration and the resonant frequency of the sensing unit was deduced and the finite element method was used to simulate the correctness of the theory.
推导了地面简谐运动作用下的加速度和位移的频率响应函数。
The frequency response functions of relative displacement and absolute acceleration are derived under acting of harmonic ground excitation.
计算了对不同频率和不同波形的蛇行运动的稳态反应,特别是计算了侧向最大挠度和最大加速度。
Steady response to zigzag motion with various shapes and frequencies, especially the maximum lateral deflections and accelerations, are calculated.
介绍了YD - 1型压电式加速度传感器与CZ - 4型磁座构成的磁座安装测振系统的安装谐振频率。
The mounting resonant frequency of vibration measurement system formed with piezoelectric acceleration sensor YD-1 and mounted magnetic base CZ-4 is addressed.
文中是利用弦丝谐振频率随其张紧程度变化而变化的特性,对加速度计敏感部件进行设计研究。
In this paper, the design of a sensor of an accelerometer is studied by using the characteristic of strings resonant frequency that changes with its stretch degree.
在人体敏感频率区域内,质心加速度功率普密度也有明显的降低。
In human sensitive frequency range, the power spectrum of the center of mass acceleration is reduced obviously.
压力测量要求的压力源连接到传感器,加速度震动或冲击检测需要在一些已知的频率和力量的装置。
Pressure measurements require a pressure source to be connected to the sensor; acceleration or shock detection requires shaking the device at some known frequency and force.
并对系统的频率特性进行了分析,表明基于该技术的微加速度计系统在工作频段内噪声能够得到有效的消除,且具有近似的线性相位。
The analyses of frequency characteristic of the system demonstrate that the noise in effective frequency band is eliminated and the phase of the system is approximately linear.
通过比较台面上不同部位上几个关键结点耦合前后平均加速度值的变化,计算出了各个频率下的附加质量,并对附加质量给振动台设计带来的影响进行了研究。
Comparing with the accelerations of two different conditions, additional masses are calculated. At last, the influences carried by additional mass during the designing of vibration table are analyzed.
结果表明,随着电压(摩擦力)、气压(频率)的变化,两者的取值存在最优的组合,并且加速度的控制效果略好于位移的控制效果。
The results show that as the voltage (friction), pressure (frequency) changes, there is a best combination between the two values. The control effect of acceleration is better than displacement.
研究结果表明,座椅悬架的固有频率、位移传递率及加速度均方根值均随比例阀输入电压的增大而减小;
The results show that, the natural frequency, dynamic amplification factor and acceleration root of mean square of seat suspension will decrease with the increase of proportional valve input voltage.
文中还分析了不同振次下的干砂体积变形与振动加速度之间关系,以及振动频率对这关系的影响。
The relationship between the volumetric deformations of sand for different number of cycles of vibratory motion and input accelerations and its dependence on input frequency are investigated.
对线加速度计辅助惯性姿态角测量的误差分析表明,测量误差由加速度计噪声、二次积分离散化、信标噪声和加速度计频率特性误差组成。
The error analysis shows that the measurement error is caused by the noise of the accelerometer, discrete double integration, noise of beacon and frequency characteristic error.
讨论了系统支承角、系统频率比以及系统质量比等对易损件加速度及位移响应的影响规律。
The effects of the angle of the tilted support, the frequency ratio and mass ratio of the system on the response of acceleration and displacement were discussed.
提出一种以渐进谱为目标谱的生成幅值和频率非平稳地震加速度时程的迭代方法。
Then a new iteration method is developed for generation of random accelerograms non-stationary both in amplitude and frequency which are compatible with target.
结果表明;切型不同加速度频率灵敏度不同;
The results show that, when the cuts are different, the sensitivities of acceleration frequency are also different;
本文主要介绍了一种应用加速度传感器adxl50设计的新型便携式、低功耗的振动加速度-频率检测装置。
A kind of vibration acceleration - frequency detecting device is described, which is a new style low power consumption handy device based on ADXL50 acceleration sensor.
数字补偿器对加速度计频率特性误差做出修正后,测量精度得到明显提高。
The precision can be improved by applying an appropriate digital compensator to the accelerometers.
对波流力作用下连接及未连接平台的钢管桩进行了测试,获得了加速度时程曲线以及钢管桩固有频率。
The wave force on the steel-pipe pile which was connected and unconnected to the test platform was tested; and the acceleration versus time data and natural vibration frequency were obtained.
而光谱加速度大致上是一座建筑物承受的加速度,科学家把一颗与目标建筑物具有相同自然频率的粒子放在一个近似无质量的垂直控制棒上进行模拟得出此数据。
SA (spectral acceleration) is approximately what is experienced by a building, as modeled by a particle on a massless vertical rod having the same natural frequency of vibration as the building.
加速度计频率特性误差是最主要的误差来源。
The step friction torque is the main source for the stabilization error.
即使速度变化范围很大,顶盖前细胞的放电频率也与速度无关,但却依赖速度在时间上的变化(加速度)。
In a broad range of speeds, the firing rates of these cells depend on the changes of speeds over time (acceleration) but not on speed per se.
本文着重计算和分析了刚性基础上的内浮顶油罐的固有频率、振型和水平地面加速度作用下的动力响应。
The natural frequency and mode of the oil storage tank with an in-floating roof supported on the ground are calculated, and its dynamic response to the horizontal earthquake motion is analyzed.
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