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- video speed estimation 视频测速
- To eliminate the speed estimation error,the machine parameters are adapted on-line,based on a mutual model reference adaptive system(MRAS). 为消除速度估计误差,电机参数通过一交互式模型参考自适应系统(MRAS)在线辨识。
- In this paper, artificial neural network (ANN) is adopted for design wind speed estimation from short-term records to offset the shortage of samples. 将人工神经网络用于基于短期风速资料的设计风速估计,以弥补短期资料风速样本不足的缺陷。
- The accuracy of the rotor speed estimation in speed sensorless vector control system of induction motor under load is sensitive to parameter errors of the internal machine model. 在感应电动机无速传感器矢量控制系统中,在负载条件下转子速度估计的精确度对电机内部模型参数误差非常敏感。
- With the aid of simulations, speed estimation of induction machines based on the new member of the Kalman filter family-Unscented Kalman Filter (UKF) was discussed in depth. 摘要借助仿真，深入探讨了卡尔曼滤波器家族新成员-无轨迹卡尔曼滤波器(UKF)用于感应电机转速估计这一问题。
- The speed estimate method is obtained using MRAS and the models. 利用这两种模型，使用模型参考自适应算法，得出了电机转子转速的估算方法。
- It introduces many kinds of speed observe models especially,then selects the speed estimation scheme based Kalman filter after comparing a great deal of schemes of distinguishing rotational speed. 重点介绍多种速度观测模型,并在比较诸多速度辨识方案后,采用基于卡尔曼滤波的速度估计方案。
- The reference model and adjustable model used in the mutual MRAS scheme are interchangeable.For the rotor speed estimation,one model is used as a reference model and another is the adjustable model. 参考模型和可调模型使用交互式MRAS方法，系统在电机的转速和定子电阻的辨识间切换。
- Modified formula for sensorless DC motor speed estimation was proposed through the test for relationship between the current ripple frequency and the rotation speed in a 4-pole DC motor. 摘要根据4极直流电动机的转速与脉动电流频率关系的实验结果，对现有的无传感器直流电动机测速公式提出了修正意见。
- In video disk, a consecutive sequence of frames. 在视频光盘上，一种连续的帧序列。
- A good video camera will cost you a pretty penny. 一台好的摄像机要花掉你很多钱。
- The simulation results show th at the vector control system based on LPIDBP speed estimation can improve the speed of convergen ce of the system,has high estimating precision,and has better dynamic and st atic performance. 仿真结果表明,基于LPIDBP神经网络的混合速度估计器的矢量控制系统收敛速度快,转速估计精度高,动静态性能好。
- The cinema has largely yielded to the home video. 电影业在很大程度上已让位给家庭录像电影。
- No horse has a speed comparable to that of his. 没有一匹马的速度能比得上他的马。
- They showed a video of "Gone with the Wind". 他们放了录像片《乱世佳人》。
- Could you video the documentary for me? 帮我录一下这个纪录片好吗？
- The good video is always rented out. 好看的录像带总是被借走。
- That's all there is to make a speed dial call. 在那里全部要进行快速拨号呼叫。
- I'm going to have a video rental shop and make a bomb! 我要开一个出租录像带的店，赚大钱！
- She is a star of stage, screen and video. 她是舞台影视三栖明星。
