phase coherence

The Pulse-to-pulse phase coherence of a super-continuum comb, which is generated by sending a mode-locked femtosecond laser pulse through a segment of photonic crystal fiber (PCF), is a pre-requisite when this super-continuum comb is used for optical frequency measurement.

本文对光子晶体光纤扩谱产生的超连续光学频率梳的脉冲-脉冲相位相干性进行了实验研究。

The results show that the phase coherence among the impurity atoms within magnetic particle plays a key role for the origin of maximum GMR.

用双流模型研究磁性金属一金属型颗粒膜（Ｆｅ－Ａｇ，Ｃｏ－Ａｇ）中巨磁电阻（ＧＭＲ）极大值特性结果表明，磁性颗粒内杂质原子之间的相位相干，对磁电阻极大值的产生有重要影响这种相位相干与外场磁化的综合作用使颗粒膜巨磁电阻的尺寸关系表现出非单调的特征，井用该模型计算和讨论了巨磁电阻的其它性质，结果与实验符合较

In order to keep phase coherence between the transmitter and the receiver,we implemented a method in which the frequencies of the transmitter and the receiver were switched simultaneously during pulse sequence execution,and reset to their original values,respectively,at the end of sequence.

讨论了一种在核磁共振成像数字谱仪中保证射频发射机与接收机之间射频信号相位相干的方法,该方法在成像脉冲序列执行过程中,同步切换发射机与接收机的频率,并在脉冲序列最后,将发射和接收频率恢复到脉冲序列最初的频率值,从而实现发射与接收的信号相干,其优点是无需加入额外的"回绕延时",从而使得脉冲序列的编写得到简化,并且该方法不依赖于磁共振谱仪发射机和接收机硬件部分的具体结构,是适用于数字化谱仪的一种普遍的方法。

The time-evolution of entanglement in the interacting System of the atom and coherence field with phase decoherence;

存在相位退相干时原子与光场相互作用的纠缠演化和保持

The time evolution of the collapses and revivals of the atomic inversion and the photon number distribution in a system where a two-level atom interacts with the field that is prepared in the coherent state and discussed the influence of the phase decoherence on nonclassical effects are studied.

研究了存在相位退相干的两能级原子与相干态光场相互作用系统,通过求解主方程得到了原子反转算符期待值和光子数分布随时间演化的表达式,讨论了相位退相干系数对原子和光场非经典特性的影响。

Then the phase coherent states are defined.

将此算符作用在零相位态上得相位相干态。

Phase coherency index of EEG was calculated with real time of gliding window.

应用滑动窗口实时计算脑电信号相位相干性指数;

coded phase-coherent telemetry

电码相位－相干遥测

The Effect of the Phase Difference of Coherent Signal Emitters on the Resolution Performance of DOA Estimation

相干信号源相位关系对方向估计性能的影响

The Quantum Phase Distributing Properties of A Coherent State s Opposition State;

相干态的相反态的量子相位分布(英文)

The Coherence of Resonance Fluorescence and Localization of the Relative Position for Two Atoms in a Cavity;

光腔中两原子共振荧光的相干性质和相对位置定位

Accurate spectral phase reconstruction for SPIDER

光谱相位相干电场重建法的准确相位还原

The property of being coherent, as of waves.

相干性相干的性质，如波的

Of, relating to, or having waves with similar direction, amplitude, and phase that are capable of exhibiting interference.

相干的能表现干涉性的，方向、幅度和相位均相似的波的，与其有关的，具有这种波的

The algorithm is functional for measuring smooth phase.

该算法在连续平滑相位相移干涉测量中具有很好的实用性。

Studies of the 4f Coherent Imaging Technique Used to Measure the Third-Order Nonlinear Refractive Index;

测量三阶光学非线性折射的4f相位相干成像技术研究

Applicability Problem in Characterization of Femtosecond Pulses with Spectral Phase Interferometry for Direct Electric-Field Reconstruction

光谱相位相干直接电场重构法测量飞秒脉冲的适用性问题

A new method of EMI source localization test

电磁干扰源的相关性定位测试方法研究

Statistical Characteristics of Random Phase Drift in the Fiber-Optic Interferimetric Sensor

干涉型光纤传感器随机相位漂移统计特性研究

Decoherent Properties of Quantum Bits in Electromagnetic Radiation Field;

电磁辐射场中量子位的消相干特性研究

Investigation on Several Problems of the Optical Phase Conjugation Mirror;

光学相位共轭镜稳定性若干问题的研究

Evaluation of hearing thresholds of 40Hz auditory event related potential and auditory brainstem response;

应用40Hz听觉相关电位与听性脑干反应评估听阈

Research progress on postural nursing intervention for patients with ventilator associated pneumonia

体位护理干预呼吸机相关性肺炎的研究进展

Numerical Study of Unusual Phase Relationships and Aerodynamic Interaction Between Forewing and Hindwing of Dragonfly Model

蜻蜓前后翼相位特性和气动干扰的数值研究