space-time transformation

An Analysis On the Space-time Transformation Process of Oasis Development

绿洲开发的时空转换过程分析

The wavelet analysis theory and Fourier transform, the window Fourier transform time are compared to the space-time and frequency local transformation, and thus more effective in extracting data from the signal information.

小波分析理论与傅立叶变换、窗口傅立叶变换相比是时空和频率的局域变换，因而更能有效地从信号数据中提取信息。

Transformation of MoS_2 during sintering process of space docking friction material

MoS2在空间对接摩擦材料烧结过程中的行为变化

Up to now, several methods of nanoseconds laser pulse shaping have received the theoretical discussion and were developed, such as electrooptic method, space-time transformation method, whole-optical method and integrated optics method.

从原理上来说，目前纳秒级激光脉冲整形大致有以下几种方法：电光方法、时空变换方法、全光学方法和集成光学方法。

We derived the identity which combines the measure of the path-integral of the generating functional and the effective action of the pure gauge field in the coset space of the Abelian chiral group, and is invariant under chiral transformation.

导出了与阿贝尔手征群陪集空间纯规范场的生成泛函路径积分测度和有效作用量联合起来在手征群变换下具有不变性相应的恒等式。

In the paper a general space-time transformation theory is established with complex quaternion as space-time algebra.

以复四元数为时空代数，建立了一个广义时空变换理论。

New postulates about properties of space-time and generalized Galilean transformation

关于时空性质的新假设和推广的伽利略变换

Under the assumption that the electron beam is single-velocity and one-dimensional, the transmission equation of space charge wave set up in the conical electron beam is derived and the process of noise impedance transformation is obtained.

在单速、一维假定下，推导了球形收敛电子注上的空间电荷波传播方程和噪声阻抗的变换过程。

In this paper, we have established a sufficient condition that linear space V is decomposed to the direct sum of Linear transformation kernel Ker(σ) and image Im(σ).

在本文中我们证明了线性空间V分解为它的线性变换的核ker（σ）与象Im（σ）的直和的一个充分条件。

In this paper, we generalized the Lorentz space-time transformation formula and the Lorentz velocity transformation formula to a more general case.

将通常的洛仑兹坐标变换公式和速度变换公式推广到了一个更一般的情况。

At last, as for the traction machine which can load 1 ton, we have designed a set of sample piece to experiment and performed the load-on experiment. And the correctness and feasibility of the space-time transformation gear-grating testing method has been proved.

最后，针对一台载重1吨的载客电梯曳引机，设计研制了一套试验样件进行了加载实验和扭振测试，证明了时空转换齿栅测试法的正确性与可行性。

In this paper, we have deduced the general diffraction transformation formula in optical 4F system, and calculated the optical intensity distribution near the imaging plate over three-dimensional space with obstacle disk model.

首先推导出光学4F系统的一般衍射变换公式，用不透明圆盘模型算出了象平面附近三维空间内的光强分布。