As a technique to focus signals both temporally and spatially in complex media, time reversal (TR) was first applied in acoustics, and in recent years it was introduced into electromagnetic wave field.
时间反演(TR)作为一种在复杂媒质中实现时间和空间聚焦的技术,最初应用于声学,近年来被引入电磁波领域。
Time reversal (TR) technology was first applied in acoustics field by M.
时间反演(Time Reversal: TR)技术是由M。
As a technique to focus signals both temporally and spatially, time reversal (TR) was first applied in acoustics, and in recent years it was introduced into wireless communication field.
时间反演(Time Reversal)技术具有时间聚焦和空间聚焦的特性,最初应用于声学,近年来被引入无线通信领域。
inversion of space and time reverse during the interaction of nucleons.
利用核子相互作用中的空间转动,空间反演和时间反演的不变性,求得自旋为1/2的极化核子散射振幅的一般形式。
In the paper, a near surface model is simulated, and then one initial model is created quickly by time-term inversion method for tomography inversion.
通过模拟近地表模型,利用时间项反演方法快速建立初始模型,提高了层析反演的精度,加快了收敛速度,减少了迭代次数。
In the paper,two near-surface velocity models are simulated,and then inversion velocity models are created by time-term inversion with travel-time difference curve method.
因对初至旅行时层数的确定和拐点拾取存在不确定性,导致时间项反演方法在近地表复杂区建立的速度模型精度不高,静校正效果不理想。
The conductivity distribution was reconstructed from the pressure distribution on the spherical detection surface with the time reversal method.
本研究构建三维柱状线圈和二层同心球模型以模拟成像物理环境,借助有限元软件ANSYS分析瞬态电磁场,并根据分析结果,进行MAT-MI正问题声场计算,应用时间反演法进行电导率的重建。
asing on quantum mechanics, according to the fundamental symmetry that the space-time inversion is equavalent to particle-antiparticle transformation, the massenergy relation and Lorentz transformation in special relativity are derived.
在量子力学基础上，根据空间－时间反演等价于正反粒子变换这一基本对称性。
Time reversal T is not unitary.
时间反演T不是幺正的。
Propagation Characteristics of Time-Reversed Electromagnetic Wave and Its Application
时间反演电磁波的传播特性及其应用
KEY WORDS: time and space translation symmetry; time reversal symmetry; conservation law; symmetry breaking.
关键词：时间和空间平移对称性；时间反演对称性；守恒律；对称破缺。
Time-reversal invariance predicts equality of transition probabilities for a reaction and its inverse.
时间反演不变性预言，一个反应和它的逆反应，其跃迁几率相等。
Weak interaction breaks CP. By CPT theorem, it breaks T as well.
弱相互作用中时间反演被破坏的含义是什么呢？
Time Reversal Symmetry and Discrete Rotation Symmetry in Magnetic Particles
磁性粒子的时间反演对称性和旋转对称性效应
Application of Time Reversal Acoustics in Shallow Water Environment
时间反演在浅海波导环境中的应用研究
Target Detection System for Jungle Environment Using Electromagnetic Time-Reversal and Multi-Channel Time-Divided Technique
基于电磁理论时间反演技术的分时多信道丛林目标探测系统
The fundamental equations of physics have a property which is referred to as time reversal symmetry
物理学的基本方程式里面有种被称为时间反演对称性的特性
Time reversal invariance is a very useful symmetry in subatomic physics.
时间反演不变性在亚原子物理中仍然是一种很有用的对称性。
3D Conductivity Reconstruction of Magnetoacoustic Tomography with Magnetic Induction Based on Time Reversal Method
基于时间反演方法的三维磁感应磁声成像电导率重建
Application of Travel-time Difference Curve Method in Time-term Inversion
旅行时差值曲线方法在时间项反演中的应用
Forward and Inverse Methods for Calculating Cole-Cole Time Domain IP Cpectral Parameters
柯尔-柯尔模型激电时间谱的正反演方法及应用
The Evolution of Atomic Population Inversion in the Time-Dependent Jaynes-Cummings Model;
依赖于时间的Jaynes-Cummings模型中原子反转的演化
Investigation of the Multi-Scale Analysis and Multi-Exponential Inversion Algorithm of PNN Logging Time Spectrum
PNN测井时间谱的多尺度分析及反演研究
Inversion and predication of inflow in tunnel based on time-series model
基于时间序列模型的隧道涌水量反演与预测
Numerical simulation study on inversion of two dimensional flow field using acoustic ray travel time
基于声传播时间的二维流场反演数值仿真研究
she spent her spare time studying acting at the local theater.
相反，她把业余时间都用在去当地的剧院学习表演。
