查询词典 commutation ticket

In the end, the penner points out that the overcharging voltage which confines the commutation capa- citance will be an important snbject for the research of its further development.

最后指出，限制换流电容器的过充电电压是今后发展逆导电流源的重要研究课题。

This thesis discusses principal issues of the matrix converter such as prime principle, control strategy, current commutation, its applications etc.

本文立论研究的目的是对矩阵式变换器基本原理、控制策略、开关换流、应用范围等基本性问题进行探索性研究工作。

This thesis discusses principal issues of the matrix converter such as prime principle, control strategy, current commutation, parameter selection and its applications etc.

本文研究的目的是对矩阵变换器基本原理、控制策略、开关换流、参数选择、应用范围等基本问题进行了探索性研究工作。

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。

Aquatic or marsh-growing fern allies; known to have existed since the Cenozoic; sometimes included in Lycopodiales.

生活于水中或湿地的蕨类；从新生代生存至今；有时归于石松目之中。

The engine was uprated from a 90hp Franklin to a 125hp Lycoming.

改良过的引擎是从90hp到125hp莱康明富兰克林。