理论速度

铁路噪声预测的列车运行理论速度

Calculation of Theoretical Train Speed to Predict Railway Noise

仿真结果表明，以前轮理论速度为输入信号，通过控制器可以控制前后轮的牵引力和速度合理匹配。

Simulation results show that by controlling the front wheel theory speed , the traction and speed of all-wheel drive milling machine can be matched .

随机介质放矿理论速度和加速度方程的评价

Discussion of Velocity and Acceleration Fields About Drawing Theory in Random Medium

类椭球体放矿理论速度和加速度场的评价

Evaluation of Velocity and Acceleration Fields of Quasi - elliptic Drawing Theory

这样处理并不影响理论速度。

This procedure does not affect the theoretical velocities .

本文论述了滑移线场中理论速度分量等值线的概念及作法。

It is explained in this paper what the velocity component contours in slip-line-field are and how to draw them .

水下真空管列车是一条真空管中的磁悬浮列车轨道。由于空气阻力的降低，列车使用较小的功耗就能达到每小时2000公里的理论速度，而且其运行不会受到天气影响。

Due to reduced air resistance , the train could hit a theoretical speed of 2000 kilometers per hour using relatively little power , and its operation would not be affected by weather .

结果表明，原来的理论速度公式与实际速度有差异，而该模型计算的实际速度有重要的适用价值。

The result which was calculated through a systematic imitation model showed that the speed calculated with former theoretical formula was different from that of real conditions , and the real speed got from the imitation model had a very important applicability .

大规模并行处理机（massivelyparallelprocessor，MPP）一般都具有极高的理论峰值速度，但用户在实际应用中的有效速度却往往与之大相径庭。

Generally , the Massively Parallel Processor ( MPP ) has very high peak speed in theory , but the user 's effective speed in use is far from it .

针对现有USB传输方法带宽利用率不高的现状，提出了大缓冲多管道传输方法，实测USB数据传输速度接近USB理论最高速度。

According to current low utilization of USB bandwidth , we bring forward the Large Buffer Multiple Pipes method in USB transmission , whose speed is close to the theoretical highest transferring speed .

例如，iPhone在蜂窝网络中最大的理论下载速度已从2007年“2G”iPhone的1兆字节/秒上升至如今5s型号的300兆字节/秒。

Consider , for example , that the iPhone 's theoretical maximum download speed on cellular networks went from 1 megabyte per second for the 2007 " 2G " iPhone to 300 mbps for today 's 5s model .

本论文主要使用计算流体力学软件FLUENT对内置翼片静态混合器的三维流场情况与液-液两相流混合情况进行数值模拟，并结合湍流理论对速度场、压降、湍动能与混合情况进行了分析。

In this text , we used the Computational Fluid Dynamics software - FLUENT to simulate the flow field and liquid-liquid two phase flow mix of the tubular static mixer with rows of tabs . Then the results of the numerical simulations were analyzed .

尤其是USB2.0协议的发布，是USB技术发展史上的里程碑，它在USB1.0的基础上有了质的提高，其理论传输速度可达到480Mb／s，为计算机与外设的高速数据交换提供了可能。

Especially the 2.0 revision of the USB specification is issued , which is the landmark in the USB history . Its transmission speed is 480Mb / s. So it 's possible to realize the high transmission speed between PC and the peripherals .

方法将传统的火炮动力学理论与速度矩阵法结合起来，对速度矩阵法进行了改进。

Methods The traditional gun dynamics theory and the velocity matrix method are used .

基于竞争理论的速度营销及其策略

Speed-marketing and tactics based on the competition theory

无氧阈理论在速度轮滑训练中的应用研究

The Application Study of the Theory of Anaerobic Threshold to the Training of Roller Derby

多模式模糊控制理论在速度反馈式液压电梯系统中的应用

To apply multi model fuzzy logic control theory into a speed feedback hydraulic elevator system

关于岩土材料滑移线理论中速度解的讨论&广义塑性理论的应用

Discussion on velocity solution of slip line theory for geotechnical materials & the application of generalized plastic theory

本文首先分析了异步电机的数学模型和矢量控制原理，通过对不同坐标系下的数学模型的分析，设计了转子磁链的观测模型及无传感器的模型参考自适应理论对速度的辨识。

Through analyzed mathematical model of different coordinate systems , we designed the rotor flux observation model and speed identification baseed on model reference adaptive system ( MRAS ) of speed sensor-less .

目前，在并行计算机系统中存在的一个普遍现象是，计算机的理论峰值速度可以非常之高，但是在实际应用中的有效速度却往往相去甚远。

At present , a common phenomenon of parallel computer system is that the theoretical peak speed of the computer can be very high , but in the practical application of the effective speed is lower .

最后分析导致充填介质的实际冲击速度值（通过实验所得）与理论冲击速度值（通过计算得到）产生差异的原因。

Finally , the reason analyzed that leads to the difference of the practice impact speed value ( it is taken by experiment ) and the theoretic speed value ( it is taken by calculation ) .

通过对手扶拖拉机传动系统和动力性能等方面的分析，提出了东风-12型手扶拖拉机在运输作业中的车速以不超过最大理论运输速度较为适宜。

On the analysis of the transmission and dynamic characteristics of the walking tractor , it was proposed that the speed of a - walking tractor in transportation must not be higher than its maximum theoretical transport speed .

结果表明，理论推进速度基本反映了工作面采放循环变化趋势，并提出了与理论推进速度相应的循环作业方式。

The result indicates , the theory advances the speed to reflect basically the working range adopts and puts the circulation variation tendency , have put forward and advanced the circulation homework way corresponding in speed with the theory .

通过对比饱和水的理论P波速度与实际P波速度，可以得到天然气水合物饱和度。

A qualitative estimate of gas hydrate saturation can be obtained by comparing the theoretical P-wave velocity for full-water saturation to actual P-wave velocity .

本文对永磁同步电机伺服驱动系统采用的SVPWM理论和无速度传感器矢量控制技术做了详细论述，对传统的滑模位置观测器做了改进。

In this paper , the servo drive system adopts both SVPWM and speed sensorless vector control techniques are discussed in detail and the traditional sliding-mode observer for position has been improved .

提出了一个基于矢量控制和MRAS理论的无速度传感器矢量控制调速系统，该系统包括转子磁通推算器和转速推算器。

Presents a speed-adjustable system of sensorless vector control for general-purpose induction motors , which is based on the vector control theory and the MRAS theory . The proposed system includes a rotor flux estimator and a speed estimator .

针对按经典控制理论设计的速度调节器和实际运行结果出入大的问题，提出用二次型性能指标最优调节器（LQSF）的设计思想，实现永磁同步伺服系统的速度环调节器的设计。

Aiming at the problem that the speed regulator parameters designed by classical control theory are very different from that used in practical , the design of speed regulator of Permanent Magnet Synchronous Servo System is put forward by means of Linear Quadratic State Feedback ( LQSF ) .

散居幼儿心理理论的发展速度低于在园幼儿；

The Diaspora develops more slowly than the kindergarten 's children .

仿真结果表明，适当的简化能显著提高理论光谱计算速度。

Nitrogen CARS spectrum calculation results are in agreement with those in other literatures .

定义了李亚普诺夫函数，根据其稳定性理论确定了速度自适应律。

The speed adaptive scheme of speed estimation is obtain utilizing Lyapunov 's stability theory .