查询词典 inversion

The logic inversion of rock compressibility has been overcome by a new measurement method.

岩石压缩系数的逻辑反转现象，已通过新的实验方法加以克服。

The least square conjugate gradient and odd values decomposition method also can be used to perform tomographic inversion.

研制的最小平方共轭梯度算法和奇异值分解法也可进行同样的层析反演。

In the weak interaction , the space reflection, charge conjugation and time inversion ...

在弱相互作用中，空间反射、电荷共轭和时间反演。。。

The present paper proposed one kind of numerical control single-phase inversion structure, in detail elaborated the system parameter design, the rectification work basic principle of work, the contravariant basic principle and the SPWM sine pulse width modulation.

本论文提出了一种数字控制的单相逆变器结构，详细论述了系统的参数设计，整流工作的基本工作原理，逆变的基本原理及SPWM正弦脉冲宽度调制。

Then analyzed has compared the contravariant controller control strategy, in established in the SPWM inversion linearization model foundation to analyze the necessity which double-circle controlled, and in controlled in the link to introduce the PID adjustment, enhanced the control the dynamic response ability and the system stability, enhanced the power source the load compatibility and the output stability.

接着分析比较了逆变控制器的控制策略，在建立了SPWM逆变器的线性化模型基础上分析了双环控制的必要性，并在控制环节中引入PID调节，来提高控制的动态响应能力和系统的稳定性，以提高逆变电源的负载适应性和输出的稳定性。

We use integrated chip TL494 are the master control chips, by the MOSFET tube constitution inversion electric circuit, has realized the contravariant system's pulse-duration modulation.

我们采用集成芯片TL494为主控芯片，以MOSFET管构成逆变电路，实现了逆变系统的脉宽调制。

The 300W single item incorporation feed inversion electric circuit's design is mainly transforms the small electro-optical source battery through the contravariant electric circuit as the stable room electric output.

300W单项并网馈电逆变电路的设计主要是将小型的光电源电池通过逆变电路转化为稳定的室电输出。

Firstly, the geologic structure of the whole gas field was analyzed. On the basis, the abuse of existing reservoir prediction technology was probed. Then, a geophysical evaluation system aiming at coombe and interlayer was proposed, including petrophysics, resolution enhancement processing, colored inversion, time-frequency three primary colors, attributes projecting, etc.

为此，首先对D气田的地质构造进行了分析，并在此基础上探讨了现有储层预测技术系列存在的弊端；然后提出了一套针对冲沟和隔夹层的地球物理评价体系，包括岩石物理学、提高地震分辨率处理、有色反演、时频三原色和属性投影等方法技术。

Then the thermodynamic and the dynamic characteristics are further discussed, which are the inversion layer depth of the water temperature, the locations of the minima of the vertical temperature distribution and the temperature vertical gradient in the water column, as well as the baroclinity and the effect of Coriolis deflection force.

讨论了其北向扩展的热力学和动力学特征。这些特征涉及到逆温层的厚度、垂向温度和温度梯度最小值的存在，以及陆架水北向运动的斜压性和科氏力的作用

The result of experiments show that resynthesized speech signals form the its correlogram by auditory model inversion is nature and robust in noisy environment.

实验结果表明，我们通过听觉模型反演从信号的自相关图谱中恢复出的语音信号，具有较好的自然度和良好的噪声鲁棒性。

Liapunov—Schmidt method is one of the most important method in the bifurcation theory.

Liapunov—Schmidt方法是分叉理论的最重要方法之一。

Be courteous -- even when people are most discourteous to you .

要有礼貌──即使当別人对你最不礼貌的时候。