如果在上面,悬挂1公斤物质,我能够计算出,振荡的周期,1除以周期,等于频率,我相信,等于大概38赫兹。
So if now I hang on it a mass of one kilogram, I can calculate the period of one oscillation, and one over the period F is the frequency F, and I believe that is something like 38 hertz.
科学家正试图计算出这个地区地震发生的频率。
The scientists are trying to calculate the frequency of earthquake in this district.
PL 3223提供若干间接参数,依此计算出电压有效值、电流有效值、线电压频率等参量。
PL3223 supplies several indirect parameters, which are used to calculate voltage RMS, current RMS, frequency of the line voltage and so on.
以声波在各层介质中传播时波速的加权平均值作为构筑物的平均声波波速,计算出结构自振频率。
It treats the weighted average sound velocity in different mediums as the average sound velocity in the structure, thus the natural frequency of the structure is calculated.
其次,对作动器的滚珠直族副、滚珠花键副、滚珠卸荷副分别进行了赫兹接触共振分析,计算出接触共振频率;
Next, carries Hertzian contact resonance analyses to ball straight-rotary pair, ball spline pair and ball unload pair, calculates contact resonance frequencies.
最后自动组成空间刚体自由振动微分方程的系数阵,并计算出刚体的自振频率和振型。
Therefore, the differential equations 'coefficient matrix of the free vibration of the spatial rigid body is automatically formed, and free vibration frequency and its type can also be found out.
方法以脐带血库单体型频率和脐带血库容量为基础计算出某一具体表型的理论值与实际查询结果相比较。
Methods the theoretical value calculated on the basis of haplotype frequencies and actual finding result from cord blood bank were compared.
例如,对均匀光纤,计算出的所有导模的归一化截止频率值的相对误差为10 ~ (-3)10 ~ (- 5)。
For example, for a homogeneous optical fiber the computed relative error of normalized cutoff frequency for all guide-mode are between 10 ~ (-3) and 10 ~ (-5).
为了测试一种关于太阳内部核聚变反应频率的假说,物理学家根据假说,计算出太阳每年能产生的中子总数。
To test a hypothesis about the frequency of fusion reactions in the Sun, physicists calculated the number of neutrinos the Sun would produce annually if the hypothesis were correct.
构造了元件故障向量、维修向量、故障频率序列和修复序列,并利用其运算描述了元件的工作、故障、维修和修复过程,从而计算出在事后维修方式和维修时间分布影响下的元件动态可靠性指标:故障频率,有效度。
With them the process of units work, failure, repair and renovation is described, sequentially the dynamic failure and availability of the units can be computed under the influence of the repair time.
通过实证分析证明了,运用贝叶斯方法比传统的频率统计的方法计算出的过程能力指数值更加能真正反映生产实际情况。
It showed through. using Bayesian methods than traditional frequentist statistical methods of calculation of process capability index can reflected the actual productions situation. more truly.
的正直流电晕流光脉冲的振幅和频率根据不同的压力和湿度进行测量,结果是在良好的流体模型计算出的波形协议。
The positive DC corona streamer pulse amplitude and frequency under different pressure and humidity was measured, the results were in good agreement with the waveforms calculated by the fluid model.
计算出铝合金扁锭的感应器电流、电源频率、功率和能耗等电参数;
The electric parameters such as inductor current, power frequency and energy consumption etc.
频谱分析法是用频率分析仪测量各次谐波的方法计算出波形失真度,但采用此种方法的仪器价格较昂贵。
The method of analysis frequency table is using the meter of frequency table to test all kinds of frequency and then calculate the distortion of the wave.
利用有限元法求解声学波动方程,建立了管内气流的有限元运动方程,计算出管内气柱的固有频率和气流压力脉动。
The FEM equation of acoustic wave is used to calculate the air-current natural frequency and pressure pulsation in the pipeline.
本文以重庆市为例,对九大城区各种地质灾害进行分级评价,根据本地区实际情况,得到灾害发生的频率和严重度,从而计算出灾害指数。
This paper assesses grades of different geologic hazards in Chongqing. According to practical situation, the hazard index can be calculated through hazard frequency and hazard severity.
对于给定算例,计算出的自振频率与三维分析的结果吻合良好,说明所推导的二维解具有足够精度。
The vibration frequencies given by the solutions are in good agreement with the results of three dimensional analysis.
对影响该高距离分辨率技术的系统频率稳定度和目标多普勒响应进行了分析,计算出目标第一零值点速度。
The system's frequency stability and target's Doppler effect, which mainly influence high range resolution technique, were also analyzed. The first null velocity was calculated.
通过有限元软件计算出了筛体结构的固有频率、固有振型,为振动筛的大型化设计提供了理论依据。
The natural frequency and the natural mode of vibrating screen have been calculated by the software for FEM, proposes the theoretical basis for the design of large-sized vibrating screen.
介绍了动土压力的计算方法及圆柱形人工岛动土压力计算观点,并用能量法计算出人工岛模型的自振频率。
The calculation methods of dynamic pressure of soil and the authors view of calculating dynamic pressure of soil for a circular artificial Island are presented and th.
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.
用有限元法建立了圆筒谐振子的模型,通过MATLAB软件编程,计算出合理的谐振子参数,对其频率密度特性进行了分析,并给出了振子的振型分布。
FEM Model is made and programmed in MATLAB, reasonable size is worked out, relation between frequency and density is analyzed, and the vibratory mode shape is given.
每一段的扭振方程可精确求出,然后,根据边界条件和连续条件可将扭振固有频率计算出来。
The torsional vibration equation can be solved exactly in every segment, then the natural frequency is given by using continuous conditions and boundary conditions.
在动态分析中,计算出了塔架前五阶固有频率。
In dynamic analysis, the natural frequency is given from the first mode to fifth mode.
通过模态试验,可以计算出结构的固有频率、模态振型、阻尼比等参数,为结构设计与优化打下坚实的基础。
Eigenfrequency, vibration pattern and damping ratio can be got by modal experiment. Then, these parameters can be used to structural design and optimization.
介绍了动土压力的计算方法及圆柱形人工岛动土压力计算观点,并用能量法计算出人工岛模型的自振频率。
The rule of acceleration response of modelled soil and structure, the dynamic strain of structure and the dynamic soil pressure between soil and structure were obtained.
介绍了动土压力的计算方法及圆柱形人工岛动土压力计算观点,并用能量法计算出人工岛模型的自振频率。
The rule of acceleration response of modelled soil and structure, the dynamic strain of structure and the dynamic soil pressure between soil and structure were obtained.
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