Because all communications are asynchronous, you must define a unique variable for each Ajax event.
因为所有通信都是异步的,所以您必须为每个Ajax事件定义唯一的变量。
A promise is a variable that represents the outcome of some asynchronous operation.
promise变量用来表示某些异步操作的结果。
Variable sampling rate tracking, which is based on nets or grids multi-sensor asynchronous fusion tracking, is an important operating modes in phased array radar.
变采样率跟踪是相控阵雷达的一种重要工作模式,是基于网络或栅格多传感器异步融合跟踪的基础。
Its basic component is a terminal-to-terminal connected communicating network, which use Asynchronous Transfer Model (ATM) and can realize constant bit rat (CBR) and variable bit rat (VBR).
它的基本组成部分是一个采用异步转移模式(atm)交换的能实现固定比特率(CBR)和可变比特率(VBR)的端至端连接的通讯网。
The main flux of asynchronous motor varies with the power voltage and the para-meter of excited inductance becomes a variable.
电源电压变化时,异步电动机主磁通随之变化,与之相应的激磁电感参数将是一个变数。
Simulation analysis was carried out for the variable speed pump-control-motor hydraulic system. Mathematic models of inverter, asynchronous motor, fixed pump and load were set up.
本文对变转速泵控马达液压系统进行了仿真分析,建立了系统中变频器、异步电动机、定量泵、马达以及负载的数学模型。
Considering the effect of the skin-effect during the starting of three-phase asynchronous motor on the parameter, the author sets up an equivalent circuit of variable parameter.
考虑三相异步电动机起动过程挤流效应对参数的影响,建立了变参数的等效电路。
In the field of modern power driving, the adjustable speed control of AC asynchronous motor by inverter is a hot spot because of its notable energy saving function and continuous variable speed.
现代电力传动领域中,交流异步电机变频调速具有显著的节能效果,并且可以实现无级调速,已成为当前电力传动领域研究的热点之一。
But asynchronous machine is a multivariate close coupling non - linear time - variable parameter system. And it is difficult to control by rule and line through adding exterior signal directly.
而异步电机是一个多变量、强耦合、非线性的时变参数系统,很难直接通过外加信号准确控制电磁转矩。
A strategy of speed control for vector-controlled asynchronous motor drive system using sliding mode variable structure control with an integral action was proposed.
针对滑模变结构控制的抖振问题,提出一种用于异步电动机矢量控制系统的积分滑模变结构速度控制方法。
It found that the method is able to analyze diagnostic characteristics of the variable frequency speed regulation system with asynchronous motor.
实践证明,该方法可以有效地分析变频调速异步电机故障。
The rotor speed can be tacken as a state variable of the system by using the Extended Kalman Filter, which based on the vector control of an asynchronous motor.
在异步电机控制基础上 ,利用扩展卡尔曼滤波器将转子转速看成系统的一个状态量 ,根据定子侧可以测量的电流、电压值 ,逐步估计出转子转速 ,为研制无速度传感器控制打下基础。
The system is a experiment , so use more micro-sensors about asynchronous motor, Programmable Logic Controller PLC, D/A transducer and variable frequency and speed adjusting.
该系统是一个实验型的设计,所以主要运用的元件是异步电动机、可编程控制器PLC、D/A转换器和变频器等微型 元件。
The variable frequency variable speed system of three-phase asynchronous motor based on DSP has been researched in this paper.
本文研究一种基于数字信号处理器(DSP)的三相异步电动机变频调速系统。
AC asynchronous motor is a complex, nonlinear, multi-variable, strong coupling controlled object.
交流异步电机是一个复杂的、非线性的、多变量、强耦合的控制对象。
AC asynchronous motor is a complex, nonlinear, multi-variable, strong coupling controlled object.
交流异步电机是一个复杂的、非线性的、多变量、强耦合的控制对象。
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