查询词典 asynchronous

The invention discloses a radio sensor network distance measuring method for the round-trip time of a time-oriented asynchronous node.

本发明公开了一种面向时间异步节点的往返时间的无线传感器网络测距方法。

In this paper, the system model for multi-user asynchronous DS/CDMA under multi-path fading channel is presented firstly. Then the Maximum Likelihood Sequential Estimation algorithm under time-invariant channel is described in a new form which is different from Verdus work.

本文首先给出了多径异步多用户DS/CDMA系统的一种数学模型，得出了恒参信道下最大似然检测算法的一种新的表示形式。

Finally,by using the unscented JPDA algorithm,the sequential filtering fusion of asynchronous sampling measurements can be realized.

通过蒙特卡洛仿真，表明该算法在提高目标跟踪精度和正确关联概率上是有效的。

Final1y, using the best linear Kalman filter in the sense of linear minimun mean square error, the sequential filtering fusion of asynchronous sampling measurements in this period can be realized.

最终，使用线最小均方误关节意义下最优的线性卡尔曼滤波器实现本周期内异步采样量测的顺序滤波融合。

By far the most popular serial interface between a computer and its CRT terminal is the asynchronous serial interface.

在电脑和它的CRT终端机之间的连接，最流行的串行接口是异步串行接口。

Companies leading products for Y80-355 aircraft Zuohao three-phase asynchronous motor and more than 20 spin-off series dedicated motor.

公司主导产品为Y80-355机座号三相异步电动机及二十多个系列的派生专用电动机。

In order to increase speed control, we need to take the following two measures while fully utilizing the adjustable nature of rotors in series-wound asynchronous motor

在发挥绕线式异步电动机转子的可控性优势的基础上，提高调速性能需要从两方面着手

A simple solution for extension of asynchronous serial port is proposed.

提出了一种简便的异步串行口扩展方案。

Field Orientation Control make the capability of VC driving qualitative leap, speed sensorless vector control of asynchronous motor make the system simplifier and robuster.

矢量控制使交流调速系统的性能产生了质的飞跃，异步电机无速度传感器矢量控制更是增加了系统的简易性和鲁棒性，是各国学者研究的一个热点。

During the start or stop of the three-phase squirrel cage asynchronous motor, there are still some problems.

概述交流三相鼠笼型异步电动机在起动或停车过程中，还存在着一系列的问题。

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。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。