查询词典 commutation switch

For this, with random Hough commutation is a foundation, through undertaking an analysis to sampling probability, combine Canny functor and method of Zernike orthogonality quadrature, the circle that put forward a kind to improve detects method.

为此，以随机Hough变换为基础，通过对采样概率进行分析，结合Canny算子以及Zernike正交矩方法，提出了一种改进的圆检测方法。

Fourier commutation is infra-red and spectral analysis proved sulphur as a result acid radical group is mixed the success of group of carboxylic acid radical introduces, right those who accept branch film is thermodynamic undertook study with chemical character.

傅里叶变换红外光谱分析结果证实了磺酸基团和羧酸基团的成功引入，并对接枝膜的热力学和化学特性进行了探究。

The carbon brush and the slip ring are the generator device with slippery wreath contact for energy commutation, as well as an important part of the generator excitation system.

碳刷和滑环是发电机动静接触和交换能量的设备，是发电机励磁系统的重要组成部分。

The carbon brush and the slip ring is the generator action with slippery wreath contact and commutation energy of equipments.As well as the importance of the generator excitation system to constitute part.

摘 要：碳刷和滑环是发电机动静接触和交换能量的设备，是发电机励磁系统的重要组成部分。

The effects of arc unstable, arc characteristics and commutating circuit parameters on the process of self-excited oscillation in current commutation are discussed in detail.

理论分析和模拟计算的结果说明了不同的开断装置电弧特性和转移回路参数对自激振荡过程的作用，为高压直流断路器转移回路的参数设计提供了有效的分析和计算工具。

BThese two groups of students have no significant differences in their performances on the fraction assortment recognition, unit commutation and simple fraction concept.

2两组学童在分数类别辨识、单位转换及简单分数概念的表现上无显著差异。

The IGBT-controlled chopper circuit can be greatly simplified as the smoothing inductor and commutation circuit of the thyristor-controlled chopper circuit are no more required.

文中提出了以IGBT、二极管、电阻和电解电容等四个元器件组成的斩波电路，经实验和仿真证明不仅能有效地调节转子电阻，而且同时兼有IGBT关断吸收电路的作用，能显著改善IGBT的关断轨迹。

This method is right radiation network, through Y-△ commutation makes the spur track number of each node is from beginning to end 1, assure to won't produce infuse element in iteration process thereby, attain ideal optimize number effect, and small, program writes the workload of this method simple, have stronger practical.

该方法对辐射型网络，通过Y-△变换使各节点的支路数始终为1，从而保证在迭代过程中不会产生注入元素，达到理想的优化编号效果，且该方法的工作量小、程序编写简单，具有较强的实用性。

In phase of junior high school, graphical motion basically is contract commutation, contain translation, axial symmetry, rotate and the center is symmetrical.

在初中阶段，图形的运动主要是合同变换，包含平移、轴对称、旋转和中心对称。

The proposed inverter has a new auxiliary resonant commutation cell. It provides that all main switching power devices in the soft-switching inverter operate at zero-voltage-switching turned-on and the auxiliary switches operate at zero-current-switching turned-off. In addition, this thesis presents an improved control scheme to minimize the operation of auxiliary resonant circuit for efficiency improvement.

所研制之柔切式数位变流器，系利用新型辅助谐振单元，使主功率开关操作於零电压切换，辅助开关操作於零电流切换，在此也提出改善之控制方案，以避免多余的辅助开关切换，因此能有效降低谐振电流所造成的额外导通损失，以提升系统之效率。

There had been a moment during the breakfast meeting, though, after the backslapping and the small talk and when all of us were seated, with Vice President Cheney eating his eggs Benedict impassively and Karl Rove at the far end of the table discreetly checking his BlackBerry, that I witnessed a different side of the man.

那次早餐会期间，在表示过关心和寒暄以后，我们所有人坐了下来，我注意观察了一下，副总统切尼面无表情地吃着班尼迪克蛋（Eggs benedict，源自美国，以英式松饼、火腿、水煮蛋以及荷兰酱组合而成），卡尔。罗夫在餐桌的远端谨慎地经常查看他的黑莓手机，我目睹了他所不为人知的一面。

Talk Undelete failed; someone else may have undeleted the page first.

Talk 无法删除选定的页面或图像（它可能已经被其他人删除了）。