Raman Study of Phase Transitions and Fermi Resonance on CCl_4 and C_6H_6 under High Pressure Among these are the introduction of FT Raman, IR dichroism, IR microscopy, and NMR imaging spectrometers. 四氯化碳和苯分子的高压原位拉曼光谱和费米共振研究其中包括傅立叶变换拉曼色谱仪,红外二色仪,红外显微镜和核磁共振成象光谱仪。
A design method of the microwave low phase noise dielectric resonance oscillator is presented in this paper. 介绍了微波低相位噪声介质振荡器的设计方法。
Abstract: this paper discusses group delay and phase delay of resonance loop as well as their application to TV technology. 文摘:讨论了谐振回路的群延时与相延时以及它们在电视技术中的应用。
Dynamic Phase Correction by Wavelet Analysis in Magnetic Resonance Spectroscopy 小波分析用于核磁共振谱的动态相位校正
Various important effects brought by noise in nonlinear systems, such as noise inducing phase transition, stochastic resonance, nonequilibrium fluctuation-induced transport, open up a wide range of applicability of the stochastic theory. 非线性系统中噪声所产生的各种重要效应,如噪声诱导相变、随机共振现象、非平衡涨落诱导输运等为随机理论开辟了十分广阔的应用前景。
Phase modulation in atomic resonance 原子共振中的相位调制
A new phase shift resonance switching controller is implemented, which provides a duty cycle from zero to 100% and a switching frequency of 1 MHz. 研制了一种新型的移相谐振开关控制器,它具有0~100%的占空比控制和1MHz的工作开关频率。
It analyzes the improved LCL phase, shifting modulation resonance power source by use of control system theory and deduces the transfer functions in different levels. 首先利用控制理论对改进LCL型移相控制谐振电源系统进行分析,推导出系统各环节的传递函数;
These effects may be important for the tokamaks driven by the waves with high phase velocity and wide resonance width. 对高相速、宽谱情形,这种效应是重要的。
Analysis of Out-Phase Resonance for Distribution Transformers for Var Compensation 无功补偿的配变缺相谐振分析
A New Phase Shift Resonance Switching Controller 一种新型移相谐振型开关控制器的研制
Group Delay and Phase Delay of Resonance Loop 谐振回路的群延时与相延时
Numerical results reveal that variations of the amplitude and phase of dominant aperture field mode at resonance tend to be smoother with the increase of tilt and offset of the slot. 计算结果表明,随着缝的倾角和横向偏置的增大,在谐振时其口面基模电场幅度和相位的变化趋于平缓;
Low noise fixture and phase average technique provide the amplitude and spurious resonance in frequency domain. 在频率域内,低噪声定位装置和相位平均技术可以提供振幅和假频谐振。
Adaptive Phase Selection Relays Utilizing Adaptive Resonance Theory Based Artificial Neural Networks 基于自谐振神经网络的线路故障自适应选相元件
Assessment of differential branch pulmonary blood flow: A comparative study of phase contrast magnetic resonance imaging and radionuclide lung perfusion imaging 肺动脉分支血流差异的评估:一项关于相位对比MRI和放射性核素肺灌注成像的比较研究
Numerical Analysis of Phase Capture in Electron Cyclotron Resonance Maser 电子回旋脉塞中相位俘获的数值分析
The Phase Graph and Dynamical Characteristic of the Resonance Phenomenon 共振现象的相图及动力学特征
The methods of modal parameters identification can be cataloged into phase resonance testing ( Normal-mode force appropriation) and phase separation approaches. 目前,识别模态参数的方法可分为相位共振法(适调多点激振法)和相位分离法两种[1]。
Capacitor's capacity can be measured by resistance value, volt top-top value between capacitor, the biggest capacitor's electric current value and the smallest volt changing-ratio, phase difference or LC resonance frequency. 其中只要测电容和电阻两端峰值电压、测流过电容的最大电流、电容电压的变化率、测电容上电流和电压的相位差或测LC谐振频率都可以得到电容的容量。
AIM: To measure the flow volume of pulmonary arteries by using phase contrast magnetic resonance imaging ( MRI) and to investigate the values of phase contrast MRI in assessing pulmonary perfusion. 目的:采用相位对比法磁共振成像(MRI)测量肺动脉血流量,探讨并评价两肺的血流灌注情况。
A study on rotational relaxation of gas phase c_2h_2 by Raman UV optical double resonance Raman紫外双共振研究C2H2分子的碰撞转动弛豫
This paper presents a new adaptive phase selector with an adaptive resonance theory ( ART) based neural network. 提出一种新的基于自谐振神经网络结构的自适应故障选相元件。
The gain factor of the phase conjugation wave was derived out when the resonance condition was satisfied for incident optical wave and the Bragg microcavity mode. 当入射光波与Bragg腔模满足共振条件时,推导了其相位共轭波的增强因子。
The phase image of magnetic resonance imaging ( MRI) contains lots of tissue susceptibility variation information, while obtaining the phase image does not require additional scan time. 磁共振成像中的相位图像包含丰富的组织磁化率变化信息,同时获取相位图像不需要额外的扫描时间。
By calculating the phase of the vertical excited magnetic field, the effect of phase lag has been found, which provides a theoretical foundation for inverting underground conductivity directly by use of phase information in surface nuclear magnetic resonance. 通过计算垂直激发场的相位,发现垂直激发场具有相位延迟效应,为核磁共振找水中通过采集的相位信息直接反演地下电导率提供了理论依据。
Modal testing methods can be categorized as normal mode measuring method ( phase resonance method) and phase separation method. 通过实验进行模态参数识别的方法可分为纯模态法(相位共振法)和相位分离法两种。
This research can be used to understand the formation of phase resonance in surface plasmon modes. 这个研究对进一步理解相位共振在表面等离子共振模式的形成方面有用。