查询词典 induction variable

The cross-semivariogram was then analyzed to explore co-regionalized relationships between soil salinity at both depths, and the apparent soil electrical conductivity measured through electromagnetic induction EM38. CoKriging method was further employed to improve the accuracy of soil salinity estimates by treating soil bulk electrical conductivity as auxiliary variable and soil salinity, at both layers, as primary variable.

在对协同区域化变量进行交互半方差分析的基础上，采用协同克立格法，以电磁感应仪EM38测得的土壤表观电导率作为协同变量，对各层次的土壤盐分进行估值。

Electric machinery and electrotechnology ; Adjustable speed with variable frequency ; Self-adaptive optimal design ; Induction motor

清华大学电机工程与应用电子技术系；清华大学电机工程与应用电子技术系；清华大学电机工程与应用电子技术系；江西电机有限责任公司北京 100084；北京 100084；北京 100084；江西南昌 330002电机电工；变频调速；自适应优化设计；异步电机

In order to improve the robustness and anti-interference ability of induction motor variable frequency speed control system, an internal model control method based on neural network generalized inverse method is proposed.

为提高感应电机变频调速系统的鲁棒性和抗干扰能力，提出了基于神经网络广义逆系统的内模控制方法。

Variable induction property is an efficient method to improve the performance and emission index.

冲量性质变换是改善柴油机性能和排放指标的有效措施。

In addition, the VK45DE is outfitted with a variable length air induction system and Continuously Variable Valve Timing Control System to enhance the engine's power delivery and operation efficiency.

此外，VK45DE配备有一个可变长度的进气系统和连续可变气门控制系统提高发动机的动力和工作效率。

To deal with the second type of variable speed system, a method which combines sliding mode decoupling control theory and Phase-Locked Loop technique is firstly applied to the induction motor's variable speed control.

针对第二类系统，本论文首次提出了将滑动模解耦控制理论与锁相环技术相结合的方案，应用于感应电机的调速控制系统。

Common induction motor. Variable frequency variable speed system. Optimal startup frequency.Optimal timing range.

普通交流异步电动机，变频调速系统，最佳启动频率，最佳调速范围TM

The presented diagnosis approach was validated by induction motor variable voltage and variable frequency control system as well as permanent magnet synchronous motor field-orientation vector control system.

为保障诊断的有效性和可靠性，提出采用开关信号上升沿延时的方法来避免因IGBT开通和关断延迟造成的误诊断，并给出延时时间的确定方法。

Both NSX engines are equipped with Acura's patented Variable Valve Timing and Lift Electronic Control VTEC(TM , a Variable Volume Induction System, direct ignition and a computerized Programmed Fuel Injection system pioneered in Formula One racing.

NSX的发动机都配备了Acura的专利的可变气门正时和升程电子控制，变容感应系统，直接点火和电脑程序控制燃料喷射的系统率先在一级方程式赛车。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。