固有频率

The smallest characteristic value corresponds to the lowest natural angular frequency.

最小的特征值相当于最低固有角频率。

In this familiar land, I use the inherent frequency of the minor adaptation of our, or circumflex ton measures, or pathos clutch, been difficult to repeat the pace of walking on a familiar path.

在这熟悉的土地上，我用固有的频率调适着我们的中小调，或抑扬顿措，或悲怆离合，众口难调，重复的步调走在熟悉的小道。

Direct digital synthesis technology promotes frequency synthesis development quickly, although, it now be restricted by it's connatural spur characteristic.

直接数字频率合成技术推动了频率合成领域的高速发展，但固有的杂散特性极大的限制了其应用发展。

Its contents include:(1) Based on unsteady flow theory model, the program of calculating the critical velocity of fluidelastic instability is developed.

提出以频率为参数的拟线性模型来分析临界流速的多值性，并给出了计算固有临界流速和受激临界流速的方法；(4)。

The project proposed and established the strict unique mathematical model of instantaneous frequency aiming at the currently existed problems in Hilbert Huang Transform form the viewpoint of physical connotative meaning; proposed and established the strict mathematical model of general intrinsic mode signal based on the concept of general continuous intrinsic mode signal and the compositive principle of practical general intrinsic mode signal; researched and proposed the fitting method of envelope lines in HHT from the viewpoint of theory, conquered the blindness and random in quondam EMD envelope line fitting and boundary treatment; developed a virtual time-frequency analyzer based on general intrinsic mode signal decomposition to open out the local time-frequency characteristics of nonlinear and nonstationary signal more deeply and accurately.

本项目针对希尔伯特-黄变换现阶段存在问题，从物理内涵的角度提出并建立了瞬时频率严格的唯一的数学模型；基于连续性的一般固有模态信号的概念和实际信号的一般固有模态信号的组成原理，提出并建立了一般固有模态信号严格的数学模型；从理论角度研究并提出HHT中的包络线构造方法，克服了原EMD的包络线构造和边界处理的盲目性和随意性；研发一台基于一般固有模态信号分解的虚拟式时频分析仪，使之可以更深入、准确地揭示非线性非平稳信号的时频局部特征。

The relationship between noise figure and modulation efficiency,the loss of the fiber,as well as RIN is simulated.

还建立了链路频响的模型，推导出固有增益与频率关系的表达式，分析仿真了频率对链路固有增益和噪声系数的影响，并与实验结果进行了比较。

Physics The increase in amplitude of oscillation of an electric or mechanical system exposed to a periodic force whose frequency is equal or very close to the natural undamped frequency of the system.

磁共振：受周期力作用的电动或机械系统的振荡幅度的增加，该周期力的频率等于或非常接近系统固有的不减弱的频率

Period of processing of the multi-input nonblocking series production lines

又称&本征频率&。振动系统作固有振动时的频率。

Tunning a reflex klystron oscillator tracking the resonant frequency of the cavity to be measured automatically by means of a discriminator. The oscillation frequency of this system$...

然后利用一高精度外差式频率计来测定该振荡系统的振荡频率和经摄动后的频率偏移计算和实验表明，用本文所述方法，当被测腔固有品质数为500～1000时，在S 波段可以分辨的最小频偏相对值达10－5～5×10－6跟踪误差约为2％。

ChapterⅢ,system model of chapter II was simplified as the free vibrationmodel of the system to solve the inherent vibration frequency and vibration mode.The inherent vibration modes are divided into three categories:torsional vibrationmode of central component,translational and torsion pendulum vibration mode of thecenter component and planetary gear vibration mode.

第三章对第二章建立的系统模型简化为自由振动模型，求解了系统的固有振动频率及振型，将各工况下的固有振型分为三类：中心构件扭转振动模式、中心构件平移扭摆振动模式和行星轮振动模式。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。