英语释义

1. the frequency or wavelength with which a circuit or part of a circuit is in tune

2. the lowest frequency or highest wavelength with which an antenna without added capacity or inductance is in tune — called also natural wavelength

片语

lowest natural resonant frequency最低固有谐振频率

natural cyclic frequency固有圆频率

natural resonant frequency[物] 固有共振频率

characteristic frequency[通信] 特征频率；特盏率；固有频率

natural l frequency固有频率

natural angular frequency[物] 固有角频率

eigen frequency本盏率；特征频率

natural disturbance frequency干扰频率

natural fundamental frequency基频

natural torsional frequency自由扭振频率

natural inherent frequency自然固有频率

英汉例句

• In this paper, a method for shifting the natural frequency of a structure to a desired value by modifying the local stiffness and mass parameters is proposed.

  本文对修改结构局部刚度和质量参数，从而使其具有给定固有频率的动力修改问题提出了一种求解方法。

• Its natural frequency falls into two parts when the loads exerted on generator rotor are asymmetrical. Dual resonance phenomenon appears based on the former single frequency vibration.

  当发电机的外接负载不对称时，转子的固有频率一分为二，转子的振动在原来单频振动的基础上，产生了双重共振现象。

• Why is natural frequency important in vibration analysis?

  在振动分析中，为什么自然（固有）频率很重要？

• 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。

• The results showed that the mount spacing can be varied to adjust the natural frequency of the rotational mode.

  结果说明：改变隔振元件的间距能调整扭转振动的固有频率的大小。

• This paper introduces the micro magnetometer and analyses the natural frequency and driving voltage of the sensor as well.

  文中介绍了基于这一原理的微型磁强计，对传感器的固有频率和驱动电压进行了分析和计算。

• The robot operated fastest and most efficiently when it ran near resonance - near the robot「s natural frequency - similar to the way a grandfather clock」s pendulum swings at its natural frequency.

  操作机器人达到自身自然振动频率时可以使其爬的最快达到最高效率，就像爷爷家老摆钟摇摆于自身自然频率一样。

• The relationship of the natural frequency and design parameters of the parallel mechanism were studied.

  分析了柔性并联机构系统的固有频率与设计参数的关系。

• The equivalent viscous damping ratio and the equivalent natural frequency are obtained by comparing the system with a purely linear, spring-mass-damper system of single freedom.

  通过和单自由度线性弹簧-质量-阻尼系统进行比较，得到该带裂缝梁结构的等效自然频率和等效粘滞阻尼比。

• The results indicate that the natural frequency of vibration of multispan stone arch bridge is closely packed and it has adequate safety allowance.

  研究结果表明，多跨度石拱桥作为一个整体，其自振频率较为密集，桥梁具有足够的安全裕量。

• The cause of vibration on the turbogenerator stator end winding is analyzed, and the meaning of natural frequency test and vibration measurement is discussed.

  本文分析了引起汽轮发电机定子绕组端部振动的原因，以及固有频率试验和振动测量的意义。

• 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。

• Resonant sensor system is a kind of quasi-digital measuring device utilizing the effect that the natural frequency of the resonator changes according to the measured frequency.

  谐振式传感器是利用某种谐振子的固有频率随被测物理量的变化进行测量的一类準数字式装置。

• The system structure distortion under gravity environment, and the dynamic characteristics such as natural frequency and were analyzed and calculated.

  分析计算系统在重力环境下的结构变形，以及系统的自然频率及振型等动态特性。

• Utilizing ANSYS, the static deformation and natural frequency for the spindle of the nc boring-milling machine are analyzed.

  利用有限元分析软件ANSYS计算数控镗铣鉆床主轴的静态变形与一阶固有频率。

• The paper puts forward a convenient and efficient method on the analysis of vibration natural frequency for ring ultrasonic wave motor stator.

  本文提出了一种用于分析环形超声波电动机定子振动固有频率的简便、有效的方法。

• The influence of flowing velocity, pressure, solid_liquid coupling damp and solid_liquid coupling stiffness on natural frequency are discussed respectively.

  讨论了流体的流速、压强变化以及固—液耦合阻尼和固—液耦合刚度对管道固有频率的影响；

• The natural frequency is a critical parameter of structure vibration; it is the foundation to investigate the dynamic response of composite beam.

  而结构动力特性中的自振频率是反映结构自身特点的重要参数，是研究组合梁动力学问题的基础。