Other orientation of 0.01 second and 0.04 second in vector loop in the sports trained students had no significant difference from that in the common students ( P > 0.05 ) .

运动训练专业 0.04s和0.01s其他方位心电 向量与普通大学生无显著差异（P>0.05）。

The system adopts vector control scheme of rate opening loop and magnetic linkage closed loop .

系统采用速度开 环、磁链闭环的 矢量控制方案。

The mass matrix potential function and damping vector of the closed loop system can be obtained by the PDEs describing the matching conditions then the control laws which stabilize the system can be obtained by the characteristic equation method .

结果通过求解由匹配条件建立的偏微分方程，通过特征方程法确定 闭环系统的质量矩阵、势能函数及阻尼 矢量，并得到使系统稳定的控制律。

Construction and identification of the expression vector for the second extracellular loop of β _1-adrenoceptor

β1-肾上腺素受体细胞外第 二环表达 载体的构建与鉴定

In this paper the working principle vector control with current loop which is suit to this system of three-phase VSR and modulating way ( SPWM ) are presented in detail .

本文对三相电压型PWM整流器的工作原理，及其适用于本智能装置的控制方法，即电流 闭环 矢量控制，和调制方法（SPWM）作了详细的介绍。

This has provided convenience for follow-up studies . Secondly by aiming at characteristics of converter in double-fed wind turbine system converter of double-fed wind turbine system is controlled by applying stator voltage vector control strategy and double closed loop control strategy of voltage and current .

其次，针对双馈风力发电系统变流器的特点，采用基于定子电压 矢量控制策略和双 闭环控制策略，对双馈风力发电系统变流器进行控制。

Strongly Simplified Rate Variable Fundamental In-tree Model and a Branch Vector Matrix Approach to Feedback Loop Analysis

强简化流率基本入树模型与枝 向量矩阵反馈 环分析法

In the triple loops of control system two PI controllers are adopted in the speed and position loop a stator field-oriented vector controller is adopted in the current loop in order to control the torque instantaneous .

系统采用位置、转速和电流三闭环控制，其中位置环和速度 环采用经典的PI控制，电流 环采用转子磁场定向 矢量控制，以实现瞬时的转矩调节。

3-Dimensional tolerance analysis based on a vector loop model

基于 向量 环尺寸 链模型的公差分析

For vibration reduction of industrial sewing machines this paper firstly analyzes and calculates the inertial force of a type of six-bar linkage based on the complex vector method and the linkage ′ s loop equation .

本文以工业平缝机的减振为应用背景，基于复数 矢量法和机构 环路方程，对一类平面六杆机构的惯性力进行了分析推导；

The method is based on the characteristics of the vector loop which can quickly generate the readable vector-proof of given proposition with the constructed type and intersection class for students and the proof is simple and readable .

该自动推理方法基于 向量 的 回路特征，对构造型交点类几何命题能迅速地给出可读的 向量式证明，证明过程简洁优美。

A part of results on magnetic vector potential of circular loop are expanded so the integral function is transformed to integrable series .

采用将圆 电流磁 矢势表达式中一部分展成级数，使被积函数变成可积分的函数。

Construction and identification of an expression vector of HIV-1 ADA env with V3 loop deletion

V3 环缺失的HIV-1ADA株包膜表达 载体构建及鉴定

Four control structures constant voltage-frequency ratio ( U / f ) open loop control vector closed loop control load pressure compensation control and speed feedback compensation control were summarized .

变转速液压容积调速系统是一种新型容积 调速 回路，所采用的控制结构有四种：恒压频比（U/f）开环控制、 矢量小 闭环控制、负载压力补偿控制和速度大 闭环反馈补偿控制。

An analysis of vector P loop in patients with acute myocardial infarction

急性心肌梗塞的P 向量 环分析

According to the situation whether the triangular vector loop can be worked out or not the equations for position analysis are sorted into two types . The respective solution of each type is provided to obtain the roots of equations for position analysis .

根据是否可以解出三角 矢量 回路的情况，将机构位置分析方程分为两类，并分别给出相应解法，从而得出位置解。

Experimental study on the localization of VPB in arrhythmias with initial-polar vector angle in QRS loop

QRS 环初始极 向量角对室性心律失常定位的实验研究

This paper represents the basic principle of kinematic analysis of planar mechanisms carried out by using the vector loop equation .

本文以复数形式的 矢量 封闭方程为基本工具，阐述了用它作平面机构运动分析的原理。

Value of changes in P vector loop and electrocardiogram P wave for diagnosing left atrial dilatation

P 向量 环对左房肥大的诊断价值

Position analysis of planar complex mechanisms using triangular vector loop method

平面复杂机构位置分析的三角 矢量 回路法

Considering the characteristics of the nonlinearity and the strong coupling the control structure that fuzzy control is used as the outer loop of the speed and the vector control is used as the inner loop of the current is presented .

针对两相混合式同步电动机非线性、强耦合的特点，提出了采用模糊控制作为速度外环控制器，采用 矢量控制作为电流 内环控制器的结构。

By applying the kinematical reverse revolving method and vector loop equation of kinematical chain the formula for determining the positions of instantaneous centers of relative motion between two optional components in planar mechanism was derived .

应用相对运动反转法及运动链 矢量 环路方程，导出了确定平面机构中任意2个构件之间的相对运动瞬心位置计算式。

Regarding the discrete magnetic vector potential and loop currents as the state variables and combining the FEM with the multi-loop method a mathematical model of the synchronous machine with internal faults is set up in this paper .

本文以 矢量磁位和 回路电流为求解变量，把电机的电磁场方程与反映绕组联接情况的电路方程联立起来同时求解，提出了同步发电机定子绕组内部故障的瞬态电磁场与多回路 耦合的数学模型。

Spatial T Vector Loop Changes in Children with Kawasaki Disease Indicate Myocardial Ischemia

川崎病患儿空间T 向量 环变化提示心肌缺血

The vector control technology can be divided into indirect vector control system with open-loop flux and direct vector control with closed loop flux .

矢量控制技术可以分为磁链开环的间接矢量控制系统和磁链 闭环的直接 矢量控制系统。

Objective To assess the changes of T vector loop in children with Kawasaki disease ( KD ) .

目的：探讨川崎病（KD）患儿空间T 向量 环变化。

Deformity or notch of ORS vector loop and death factors in patients with Keshan disease

克山病病人的 QRS 环畸形及蚀缺与死亡有关因素的研究

4-loop BKC is used as an example to show how to use the triangular vector loop method .

最后以四环基本运动链为例，说明了三角 矢量 回路的用法。