去年,耶鲁大学的一群物理学家想出了一个叫作时间反演激光器的东西,来实现这个逆过程。
Last year, a group of physicists at Yale University proposed a way to do just that with something called a time-reversed laser.
如果时间反演,这些碎片就能以很多方式结合起来。
If time moved backward, the broken pieces could come together in a great many ways.
地球物理学专业,主要研究地震波成像与反演理论和方法。
My major is Geophysics and I mainly do research on the theory and methods of seismic imaging and inversion.
地震平衡技术是一种在地震反演中改善井震关系的新技术。
The seismic balance is a new technique that can be used to improve the relationship between seismic trace and well log data.
密度界面的反演已有许多方法,但快速简便的方法尚不多见。
There are many kinds of inversion methods for calculating the density interface, but few of them are rapid and simple.
被动微波辐射仪参数化降水反演算法。
Parametric Rainfall Retrieval Algorithms for Passive Microwave Radiometers.
时间反演t不是幺正的。
反演结果满足工程需要。
映射反演模型方法是分析复杂问题的经典方法。
The method of mapping inversion model is a classical method of analyzing complicate problems.
数值反演方法是间接确定土壤水力性质的方法之一。
The numerical inverse method is an indirect method to determine soil hydraulic properties.
地震反演问题常常需要一些非线性全局最优化的方法。
Seismic inversion problems must be solved by non linear global optimization methods.
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。
Time reversal invariance is a very useful symmetry in subatomic physics.
用斜井钻孔崩落资料求取地壳应力状态是一个非线性反演问题。
It is a non linear inversion to calculate crustal stress field with collapse data of inclined borehole.
本文使用遗传算法对均匀弹性介质进行波速和震源函数的联合反演。
The seismic velocity and source function of homogeneously elastic media are inversed jointly by adopting Hybrid GA.
基于贝叶斯定理的海底参数统计反演是当前水声学研究的热点之一。
Statistical inversion of seafloor parameters based on Bayesian inference is an interesting topic in the research of underwater acoustics.
最后提出了利用激光遥感回波脉宽展宽特性反演目标倾斜角的方法。
Finally, the method using the characteristics of the echo stretching to retrieve the target inclination Angle was brought forward.
反演使用的模拟数据是用IEM模型得到的,并用来训练神经网络。
Simulated data sets based on the Integration Equation Model (IEM) are used to train the neural network.
这种层析反演方法以块体为基本单元,可以模拟和反演复杂速度结构。
The tomographic approach which basic unit is rectangular block can model and inverse the complex velocity structure.
本文运用复合反演的观点研究结构参数未知条件下的地震动反演问题。
By introducing composite inversion ideas, the problem of ground motion inversion is studied in this paper.
震源反演的数值算例表明,该方法是切实可行的,并具有一定的稳定性。
The numerical example of source inversion shows this method feasible and quite stable.
利用电缆地层测试资料正确反演地层参数是油田勘探中的一项重要任务。
Formation parameter inversion from wireline formation test data plays an important role in oilfield exploration.
上述结果表明,该反演算法不仅适用于实时反演,亦能用于气候尺度研究。
Generally, the above results suggest that this SST algorithm can be well applied to the realtime retrievals, as well as the climatology investigations.
用重力垂直一次导数来进行反演可提高解释精度,还可以用来研究基岩结构。
The reversion of the vertical first derivative of gravity can improve interpretation accuracy and is useful for researching into bedrock structure.
牵引力显微镜方法的核心在于如何通过基底变形信息反演得到细胞牵引力场。
The core of CTFM consists in how to retrieve cellular traction force field from the measured substrate deformation data.
分析了煤层渗透率的复杂变化特点和实际测量上存在的问题,提出其反演方法。
An inversive research method was proposed through analyzing the complicated changing features of permeability of coal seam and the problems existing in actual measurement.
黑土土壤含水率高光谱反演模型的建立为土壤水分的快速测定提供了新的途径。
The hyper-spectral inversion model of black soil moisture content provides a new approach for rapid soil moisture monitoring.
本文探讨了反演技术及其等价的形式在寻求和证明超几何级数恒等式方面的应用。
This dissertation studies the applications of the inversion techniques and its equivalent form in finding and proving the hypergeometric series identities.
地震波阻抗反演技术已日益成为油气藏勘探、开发中储集层横向预测的重要手段。
The seismic wave impedance inversion technique is becoming an increasingly important tool in carrying out reservoir prediction for oil exploration and development.
波阻抗反演是储层参数及砂体预测不可缺少的内容,在地震勘探中占有重要位置。
Wave impedance inversion is essential in predicting reservoir properties and sand-body distribution, and plays an important role in seismic survey.
波阻抗反演是储层参数及砂体预测不可缺少的内容,在地震勘探中占有重要位置。
Wave impedance inversion is essential in predicting reservoir properties and sand-body distribution, and plays an important role in seismic survey.
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