Natural frequency

A modal analysis of sheet-metal using ANSYS is carried out,the first five natural frequencies and mode shapes of the sheet-metal are computed.

　采用ANSYS有限元分析软件进行钣金件的模态分析,计算钣金件的自然频率及模态振型,并由自然频率和模态振型进一步讨论如何提高钣金件的结构刚性,最终设计出合适的钣金件结构。

By adding temporal periodic signal with natural frequencies to discrete spatial points, the spatiotemporal chaos can be suppressed successfully.

研究表明 ,通过在空间分立点加上自然频率的时间周期信号 ,可以控制时空混沌运动 。

A new coupled, surface integral equation formulation for determination of natural frequencies of a rectanglar plate is proposed.

本文从电场积分方程出发，提出一个新的积分方程式，用矩量法计算矩形平板的自然频率，并讨论自然频率在复平面上的位置随平板几何参数的变化情况。

The natural frequency of the gyro should be about 2 kHz,and the natural frequency of senseaxis should be one bandwidth higher than that of driveaxis.

陀螺振动频率应设计在 2 k Hz左右 ,检测轴自然频率比驱动轴高一个陀螺频带宽度。

Based on the geophone vibration formula, this paper presents the affective factors to the seismic data from high-resolution geophone arrays and its main property specifications, such as natural frequency, damping coefficient, sensitivity, harmonic distortion, and alias.

为此,从检波器的振动方程出发,对高分辨率地震检波器性能指标(如自然频率、阻尼系数、灵敏度、谐波失真、假频等)以及检波器组合的连接方式对地震资料品质的影响进行了分析。

Using the virtual work principle, this paper proved the reciprocal theorem of work of thin plates with small deflections, and obtained the formula of the natural frequency of square plates.

从虚功原理出发,证明了薄板小挠度弯曲问题的功的互等定理,并由此推出了求解矩形薄板自然频率的公式。

Relationship among on the field strength on compact transmission line,bundle conductor configuration and natural power is discussed.

论述紧凑型输电线路上的电场强度、分裂导线的结构、自然功率之间的关系，提出有待进一步深入研究的有关问题。

Engineering algorithms of ground power frequency electric field intensity,natural power and line resistance of multiloop transmission lines on the same tower are confirmed,in this paper.

明确了同塔多回输电线路地面工频电场、自然功率和线路阻抗等参数的工程计算方法,针对规划的330 kV同塔四回输电线路,重点研究了同塔多回输电线路相导线布置形式与地面工频电场、自然功率和线路阻抗的关系,通过计算、分析对同塔多回输电线路的相导线布置形式进行合理选择,对同塔多回输电线路的设计与建设具有一定的指导意义。

The natural frequency of horizontal drift of moored systems is far lower than that of the first order motion.

系泊船舶的水平慢漂运动的自然频率远低于一阶运动的自然频率。

It is the natural frequency of emission of the hydrogen atoms in space .

这是空间氢原子“释放”的自然频率。

Keywords: micro-gyroscope, silicon single crystal, three-axis angular-rate sensing, natural frequency and mode shapes.

关键词：微型陀螺仪、单晶、轴角速率感测、动自然频率与模态。

Compounding this problem, the natural frequency of the vibration increases as the size of the beam is decreased.

让问题更复杂的是，一旦横杆的尺寸缩小，振动的自然频率便会增加。

automatic frequency control

自动频率控制自动频率调整

A change in the operating frequency is easily accomplished by operating a switch installed on a monitoring alarm.

操作监视告警器上的开关，工作频率就会自然产生变化。

Such classes are separated by 'natural breaks'in the frequency distribution or the analogous cumulative curve.

这样的级可由频率分布或类似的累积曲线中的自然断点划分开来。

Natural images abound in large numbers in Tao Yuanming's poems, in which" clouds" appear frequently.

陶渊明诗文中有很多自然意象,其中“云”出现的频率很高。

relative frequency approach to automatic indexing

自动标引的相对频率法

automatic frequency control transformer

自动频率调整变压器

radar AFC circuit

雷达自动频率控制电路

horizontal AFC circuit

行自动频率微调电路

under frequency load shedding

低频率自动负载减少

automatic recording frequency analyser

自动记录频率分析器

automatic frequency control generator

自动频率控制振荡器

high natural frequency accelerograph

高固有频率自记加速计

free-field frequency response of microphone

传声器自由场频率响应

automatic frequency control receiver

自动频率控制接收机