振荡原理

本文提出了一种运用自激振荡原理设计液压振动系统的新方法。

A new approach to the designing of hydraulic vibrating system on the principle of self-sustained oscillation is proposed .

运用涡运动和空腔振荡原理，推导了射流流场剪切层自激振荡的频率方程，对射流流场中的自激振荡频率特性进行了仿真研究。

By using vortex and cavity oscillation principles , the shear layer oscillation frequency equations for the flow field inside the servo-valve are derived . The frequency characteristics of the oscillations are studied .

比较传统测距技术的优劣，分析了基于光电振荡原理测距方法的优势，建立了频率-长度的关系测量系统，并研究了单环路、多环路等测量方案。

Compare the advantages and disadvantages of traditional measurement technology to analyze the advantages measurement method based on the principle of photoelectric oscillation , build frequency-length relationship measurement system and proposed single-loop and multi-loop measurement solutions . 3 .

首先，在电力系统线性化模型的基础上，分析了安装FACTS装置前后发电机的电磁转矩的变化，从阻尼转矩分析的角度说明了抑制功率振荡的原理。

Firstly , the change of generator electromechanical torque after installation of FACTS is analyzed on the basis of power system Phillips-Heffron model . The reason of suppressing the power oscillation is explained from the viewpoint of damping torque analysis .

木文主要研究内容有四个方面：1、理论研究方而：包括等离子喷涂涂层形成机理、LC振荡电路原理、高频点火原理、磁饱和可控电抗器基本调流原理等。

The contents of this paper include four parts : First , theoretical studies : the mechanism of plasma spray coating formation , LC oscillator circuit schematic , high-frequency ignition principle , the principle of magnetic saturation controllable reactor to adjust current .

中频放大器产生自激振荡的原理

Principle of Medium Frequency Amplifier Produces Self-excited Vibration

结合鄂西电网的特点研究其抑制低频振荡的原理和方法，提出相应解决措施。

Combining network characteristics of west Hubei , the principle and method for suppressing low frequency oscillation are studied , and the corresponding measures are presented accordingly .

基于线性化等面积法则和小干扰分析方法，提出储能系统抑制电力系统低频振荡的原理和方法。

Based on the linearized equal area criterion and small signal analysis , the Principle and techniques of Energy Storage System ( ESS ) Damping Power System Oscillations are proposed in this paper .

介绍了振动力学中的单自由度弹簧系统及其强迫振动过程，阐述了与单自由度弹簧系统强迫振荡同原理的单机无穷大系统的强迫振荡过程。

Firstly , the paper described the single degree of freedom vibration spring system and its forced vibration process in mechanics of vibration , and expounded the forced oscillation of single-machine infinite system which As profound as the mentioned theory .

利用这些结论来指导基于直线电机的标记打印机产品的研制和开发，选择了具有直线振荡功能原理的圆筒型直线感应电机作为标记打印机打印头的驱动装置。

These conclusions instruct the research and development of Industry Stylus Movement product based on linear motor , actuating device of Industry Stylus Movement head is a Tubular Linear Induction Motor which take on linear vibration functional principle , it proceed structural design for the scheme of new functional principle .

基于振荡能量下降原理的UPFC模糊控制器设计

Design of Fuzzy-Logic Controller for UPFC Based on Strategy of Oscillation Energy Descent

并根据LC正弦振荡电路基本原理，设计刀具接触传感系统和刀具进给策略，实现对刀具的高精度自动定位。

According to the basic principle of LC oscillator , the cutter contact sensing system and locomotion strategy are designed to realize cutter location automatically .

分析了振荡电路基本原理，从而设计出由专用集成芯片构成的压控晶体振荡电路，并对振荡电路PCB板设计中的抗干扰问题进行讨论。

According to the basic theory of crystal oscillator circuit high frequency stability oscillating circuit is designed . Two temperature control methods are discussed and compared here .

讨论了中微子混合，中微子振荡的基本原理和实验情况，定量地研究了真空中中微子振荡的理论，计算了中微子振荡几率和CP破坏效应。

We have discussed the basic principle and the experiments of neutrino mixing and neutrino oscillation , and investigated quantificationally the theory of neutrino oscillation in vacuum , the neutrino oscillation probability and the CP violation effects .

通过对压控振荡的基本原理的分析结合FBAR的等效模型采用电容式反馈的原理起振，使其振荡频率能稳定的输出。

Through the principle of the equivalent model of the analysis combined with the basic principle of the voltage controlled oscillation FBAR using capacitive feedback oscillation , its oscillation frequency to a stable output .

通过对圆筒动铁式直线振荡电机工作原理的研究，进一步讨论了其应用在工业标记打印机上的可行性，并且和常规标记方法进行了比较。

Introduces the principle , structure and characteristic of the tubular moving-iron linear oscillation motor .

本文叙述应用回转器的振荡电路的原理与实践。

The principle and the practice of an oscillation circuit using a gyrator are discussed .

适用于电气化铁道供电系统的新型振荡闭锁装置原理的研究

Research on the New Principle of Power Swing Blocking Devices Adapted for Electrified Railway Supply Systems

电力系统振荡解列原理的分析与研究大变形有限元中二维网格自动重分技术

The study and analysis of power swing and grid splitting Auto - remeshing grid for 2D-finite element analysis

推荐采用最简单、可靠的金属氧化物耗能限流和无源型迭加振荡电流的原理方式。

It is recommended to apply simplist and most reliable principle mode , which use metal oxide to consume energy , to limit current and add oscillating current using .

一种涡旋自激振荡喷射装置的原理和实验研究

A New Jetting Device Using Self-oscillation by Vortex-Principle and Experimental Investigation

基于本地量的振荡解列装置原理研究

Study on principle of power system separation device based on local electrical parameter

根据晶体振荡电路的设计原理，设计了稳定性高、频率可调的压控振荡电路；

According to the basic theory of crystal oscillator circuit high frequency stability oscillating circuit is designed .

探讨了燃烧室中强涡旋流动的湍流模式及其数值计算。一种涡旋自激振荡喷射装置的原理和实验研究

A New Jetting Device Using Self-oscillation by Vortex-Principle and Experimental Investigation NUMERICAL STUDY OF COMBUSTOR TURBULENT SWIRLING FLOW

为了获得最佳小波变换效果，分析了利用改进递归小波变换区分振荡与故障的原理，并首次提出了一种新判据。

To get the best effect of wavelet transform , the paper analyses the principles of discriminating power swing from fault , then presents a new criterion .

采用试验分析了振荡压实计测量原理，在作为测量特征值的轮心水平运动与轮缘切线运动之间的相位差与土壤压实度之间建立起某种稳定的具有足够敏感度的关系。

Based on the measure theory of the oscillatory compaction meter , the steady relation of the ground compaction degrees and the phase between the horizontal motion of roller center , as a measure eigenvalue , and the motion of circumferential of roller is established .

针对小水电群接入大系统发生低频振荡的问题，以及湖北鄂西电网经常发生低频振荡的现象，对鄂西电网的网架结构、传输特点和振荡原理进行了分析和研究。

Considering low frequency oscillation caused by small hydropower stations connected to large system and low frequency oscillation often occurring in power network of west Hubei , the network structure , transmission features and oscillation principle are analyzed in the paper .