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  • [电子][数] 振荡频率

  • 例句

  • Oscillation frequency and preparing time influenced insignificantly.

    振荡频率和时间影响不显著。

  • In this thesis, we brought out an effective method capable of raising maximum oscillation frequency with good phase noise.

    在本论文中,我们提出了一个有效的方式把振荡频率提高且有不错的杂讯表现。

  • The oscillation frequency only was the function of oscillating tube length, not influenced by the spliter.

    振荡频率几乎不受分流劈距的影响,它只是振荡管长的函数。

  • The simulation and theory analysis shows that the oscillation frequency is stable.

    理论分析与仿真结果表明该电路振荡频率稳定。

  • This paper analyzes the influence of incidence and oscillation frequency of ultrasonic sensor on measuring accuracy. The option principle of ultrasonic sensor is presented.

    以时差法为例,分析了超声波探头中超声射线入射角及振荡频率对测量精度的影响,给出了探头的选择原则。

  • Oscillation frequency tolerance can be designed to a desired level.

    可将振荡频率公差设定为指定等级。

  • The capacitive coupled current amplifier is used herein as the basic feedback unit of the VCO and the oscillation frequency is controlled through MOS capacitance in the output.

    文章利用容性耦合电流放大器作为压控振荡器的基本反馈单元,并在输出端增加MOS电容来控制振荡频率;

  • However, to the beginner of lacking knowledge of relevant circuit and signal system, it becomes unexpectedly difficult to work out its oscillation frequency and oscillation condition.

    但是对缺乏相关电路及信号系统知识的初学者而言,求其振荡频率及振荡条件竟成为一道难题。

  • And the weldpool oscillation frequency is the characteristic parameter of the weldpool oscillation pattern and the weld penetration.

    而熔池振荡频率则是振荡模式和焊缝熔透量的一个特征相关量。

  • Analyzing and experimental results show that a fairly wide range of oscillation frequency can be controlled by a single grounded resistor.

    理论分析和实验结果表明:只需调节一个接地的电阻,振荡频率可调范围相当宽;

  • The paper analyzes the influence of incidence and oscillation frequency of ultrasonic sensor on measuring accuracy and the choose principle of ultrasonic sensor is presented.

    文中以时差法为例,分析了超声波换能器中超声射线入射角及振荡频率对测量精度的影响,给出了换能器的选择原则。

  • Generator inertia has great influence on interarea oscillation frequency and damping.

    机组的惯量对区域振荡频率和阻尼有着较大的影响。

  • Under different controlling pipe length and pressure ratio, the oscillation frequency and temperature drop are stu***d.

    研究了不同控制管长,不同膨胀比的操作条件下振荡频率、温降的关系。

  • At present, the RC phase shift oscillating still has great importance in some electronic equipments whose oscillation frequency is formed but not having high expectations for ware.

    目前RC移相式振荡电路在振荡频率固定且对波形要求不高的一些电子设备中仍占有相当比重。

  • The non-sinuous oscillation of the mold is used to reduce the mold friction force and stick type breakout, and to lower the oscillation frequency for high speed casting.

    应用结晶器非正弦振动技术可以降低结晶器摩擦阻力,减少粘结性漏钢,同时大幅度降低高拉速时的结晶器振动频率。

  • Due to the lasing effect, the peak modulation frequency of extinction ratio and chirp occur at the relaxation oscillation frequency.

    受激射效应影响,消光比及频率啁啾在弛豫振荡频率处达到极大值。

  • In the same time, the dynamical performances of the moving platform will vary if changing the performance parameters of the linear motor and the natural oscillation frequency of the platform.

    改变直线电机的性能参数及移动平台的固有振荡频率等,均可以改变平台位移输出的动态性能。

  • The effect of spring mass on oscillation frequency and elastic constant is discussed by solving the wave equation.

    通过求解弹簧中纵波的波动方程,讨论了弹簧质量对振子的振动频率及弹簧劲度系数的影响。

  • Oscillation power, oscillation frequency, max. stroke and turning diameter should be selected according to their corresponding standard product parameter when user selects which type to use.

    用户选型时,振荡功率、振荡频率、最大行程、回转直径应根据相应标准产品参数选择。

  • The phenomenon that each longitudinal mode has its own relaxation oscillation frequency has been found.

    发现不同的纵模具有各自不同的弛豫振荡频率。

  • By analyzing the AD converting results, histogram test of ADC can be taken, and the oscillation frequency can be checked, by which means oscillation test of the analog core is realized too.

    通过分析A/D转换结果,可对ADC 进行柱状图测试,并同时检测模拟核的振荡频率,实现对模拟核的振荡测试。

  • The characteristics of oscillation frequency shift and output power changes of the laser diode are analyzed by using the theoretical model.

    基于该模型,分析了激光器振荡频率偏移与输出功率变化特性。

  • Then the correlative information of the weldpool depth, usually defined as weld penetration, can be acquired by sensing the weldpool oscillation frequency in real-time.

    因此,实时检测熔池振荡频率就可以获得熔池深度,即焊缝熔深的相关信息。

  • A higher fluid viscosity leads to lower oscillation frequency of the liquid bridge radius, oscillation amplitude, and continued time of oscillation.

    液滴的粘度越大,液桥半径的振荡频率越小,振幅越小,振荡时间越短;

  • From compaction temperature, compaction speed and times, oscillation frequency, amplitude as well as mixture performance etc, the paper expounds enhancing the compaction quality of asphalt pavement.

    就提高沥青路面压实质量问题,从碾压温度、压实速度与遍数、振频与振幅及混合料特性几个方面进行了阐述。

  • Additional negative feedback is provided to set loop gain to unity at the oscillation frequency, to stabilize the frequency of oscillation, and to reduce harmonic distortion.

    为了使振荡频率稳定并降低谐波失真,需要加入一个在震荡频率处能够提供单位增益的负反馈路径。

  • The design of a new quadrature VCO(Voltage Controlled Oscillator)is obtained through a cross-coupled double LC oscillator, using the coupling coefficient to control oscillation frequency.

    通过对两个相同的LC振荡器进行交差耦合,用耦合系数来控制输出频率,设计了一种新型精准正交正弦波压控振荡器。

  • The motion equation of the moving charged particle is obtained, and the relation between the Lamor frequency a and the oscillation frequency wis discussed as well.

    简要分析了在考虑重力作用的情形下,带电粒子在恒定磁场和振荡电场中的运动状态,求得了其运动方程,并就拉莫频率和振荡频率的关系进行了讨论。

  • The higher the frequency of alternate current, the higher oscillation frequency of the interface between slag pool and metal pool is, and the less amplitude is.

    交流电频率越高,渣-金界面的振荡频率越大,振幅随之减小;

  • 同义词

  • |oscillating frequency/oscillator frequency;[电子][数]振荡频率

  • 专业解析

    振荡频率(Oscillation Frequency)是物理学和工程学中的核心概念,指一个系统或物理量在平衡位置附近进行周期性往复运动的快慢程度,即单位时间内完成完整振荡周期的次数。其详细解释如下:

    一、核心定义与物理意义

    1. 振荡(Oscillation)

      指物体或物理量(如电流、电压、机械位移)围绕某一平衡点或中心值进行的重复性、周期性运动。例如弹簧振子的往复运动或交流电路中的电流方向交替变化均属于振荡现象。

    2. 频率(Frequency)

      描述周期性事件在单位时间内发生的次数,国际单位为赫兹(Hz)。若某系统每秒完成10次完整振荡,其频率即为10 Hz。

    3. 振荡频率的合成定义

      振荡频率特指周期性振荡系统完成一次全振动所需时间的倒数。数学表达为:

      $$ f = frac{1}{T} $$

      其中 ( f ) 为频率,( T ) 为振荡周期(完成一次全振动的时间)。

    二、关键特性与应用领域

    1. 系统固有属性

      线性振动系统的振荡频率由其自身物理参数决定(如弹簧振子的质量与劲度系数、LC电路的电感与电容),称为固有频率。例如,LC电路的固有频率公式为:

      $$ f = frac{1}{2pisqrt{LC}} $$

      (来源:中国知网《电路理论基础》

    2. 工程应用实例

      • 通信系统:无线电信号通过载波频率传输信息,如调频广播(FM)使用87.5–108 MHz频段(来源:IEEE通信标准802.11。
      • 机械振动:桥梁、建筑需避免外力频率与结构固有频率重合,以防共振引发事故(来源:MIT机械振动学公开课程。
      • 生物医学:脑电波(EEG)中α波的振荡频率为8–13 Hz,反映大脑放松状态(来源:美国国立卫生研究院NIH数据库。

    三、测量标准与权威参考

    国际单位制(SI)中频率由原子钟定义,基于铯-133原子超精细能级跃迁(9,192,631,770 Hz为标准1秒)。该标准由国际计量局(BIPM)维护,确保全球测量一致性(来源:国际计量局官网。

    振荡频率量化了周期性运动的速率,是理解自然现象和设计技术系统的基石,其严谨定义由国际标准支撑,并在通信、机械、生物等领域具有不可替代的应用价值。

    网络扩展资料

    “Oscillation frequency”(振荡频率)指一个物体或系统在单位时间内完成完整振动周期的次数,是描述周期性运动的重要物理量。以下是详细解释:

    1. 基本定义
      振荡频率表示周期性振动或波动现象的快慢程度,单位为赫兹(Hz),1 Hz代表每秒完成1次完整振动周期。例如,钟摆每秒摆动2次,其频率为2 Hz。

    2. 数学表达式
      频率(( f ))与周期(( T ),完成一次振动所需时间)互为倒数,公式为: $$ f = frac{1}{T} $$

    3. 应用领域

      • 电子工程:用于振荡电路(如石英钟、无线电发射器)的频率控制。
      • 机械系统:分析机械振动(如桥梁、发动机)的稳定性。
      • 声学与光学:声波的频率决定音高,光波的频率决定颜色。
    4. 相关术语

      • Damped oscillation(阻尼振荡):振幅逐渐减小的振动。
      • Forced oscillation(受迫振动):受周期性外力驱动的振动。

    若需进一步了解应用案例或计算公式,可参考来源网页。

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