模拟固定速度和数字式可变速。
概述电气化铁路用可变速传动技术的变迁。
The changes in variable speed drive technology for electrified railways are summarized.
该系统体积小，可变速风扇提供最大的应用灵活性。
The systems small footprint and variable speed blower provide maximum application flexibility.
可变速的水泵：新的可变速的泵在压力鼓系统上面也有改进。
Variable Speed: New variable speed pumps offer a noticeable improvement over accumulator tank systems.
信息比特帧(可能有可变速率)被提供给实现一矩阵的缓冲器。
Frames of information bits (which may have variable rates) are provided to a buffer implementing a matrix.
本发明提供一种小型且耐用性高的可变速的牵引传动变速装置。
There is provided a compact and highly durable variable-speed traction drive transmission device.
本文所述是可变速齿形带传动的研究设计成果，应用于微型汽车。
What the article introduces is the result of the study and design of gearshift gear-belt transmission and it is used in mini-cars.
此外，可变速驱动器的操作与不同系统部件的脉宽调制控制相结合。
Further, the operation of the variable speed drive is combined with a pulse width modulation control of different system components.
业务层还控制着可变速度标识，车道结束标志和许多可变信息标志。
The operational layer controls also variable speed signs, lane closing symbols and variable message signs.
研究采用可变速率传输的满负荷蜂窝无线通信系统的面积频谱效率。
The area spectral efficiency of fully loaded cellular radio communication systems with variable-rate transmission is investigated.
我们还分析了在多用户多径分集方案中如何支持可变质量可变速率的多媒体业务。
We also analyze how to provide multimedia services with the variable quality and variable information rate in the proposed system.
分析表明，这种组合式动态可变速旋转粗粉分离器代表着粗粉分离器的发展趋势。
The analysis shows that this kind of dynamic classifier is typical development direction of coal classifier.
本发明提供一种可变速驱动器，该可变速驱动器用于操作制冷系统内的压缩机马达。
A variable speed drive is provided for operating a compressor motor in a refrigerant system.
由此，匝道调节率与可变速度限制间高效的联合控制对于提高道路性能显得尤为重要。
Therefore, an effective combination of ramp metering and variable speed limit control is important to achieve a good performance.
在制冷系统控制器确定为低负荷情况时，可变速驱动控制器以运转的较低速度模式操作压缩机马达。
When a low load situation has been determined by the refrigerant system controls, the variable speed drive operates the compressor motor at lower speed mode of operation.
阐述了神经网络学习算法，设计了高速公路可变速度标志神经网络控制器，并对控制器进行了仿真研究。
The neural network algorithm is formulated and the controller is designed. Simulation research is carried out by taking full advantage of a computer.
在一种可以用可变速率传输的数据通信系统中，高速率分组数据传输改进了正向链路的应用，并降低了传输延迟。
In a data communication system capable of variable rate transmission, high rate packet data transmission improves utilization of the forward link and decreases the transmission delay.
我们考虑在压机上安装一个可变速的驱动装置，这样我们就可以冲压铝件时降低速度，冲压钢件时恢复原来的速度。
"We looked into installing a variable speed drive on the press," explains Yager, "so we could stamp the aluminum at the slower speed and the steel at the original speed."
针对高速公路可变速度控制是一个非线性时变系统，难于用数学模型准确建模这一特点，提出了神经网络控制方法。
The variable speed control for freeway traffic is a nonlinear and time variable system, it is difficult to model with a mathematical model. A neural network control method is put forward.
本次系统实现了基于AMBE2000的低速率语音通信，该芯片采用改进的多带激励(MBE)算法，能实现可变速率低比特率、高语音音质的语音压缩编码。
This system realized a voice communication system based on the AMBE2000, this chip USES the MBE algorithm to obtain low changeable communication rate, and high speech quality.
所公开的是一种无级变速器，其构造成可产生总是大于输入速度的可变的输出速度。
Disclosed is a CVT configured to produce a variable output speed that is always greater than an input speed.
在一个实施例中，无级变速器产生总是低于输入速度的可变的输出速度。
In one embodiment, a CVT produces a variable output speed that is always lower than an input speed.
本发明公开了一种可变活塞式液压无级变速器。
The invention discloses a variable piston type hydraulic stepless transmission, which comprises a variable container and a transmission.
该车可提供两种引擎以供选择，一种是1.5升可变气门正时引擎配备四速自动或五速手动变速器。
There will be two four-cylinder engine choices on offer: one is a 1.5-liter unit with variable valve timing and either a four-speed automatic or a five-speed manual transmission.
该车可提供两种引擎以供选择，一种是1.5升可变气门正时引擎配备四速自动或五速手动变速器。
There will be two four-cylinder engine choices on offer: one is a 1.5-liter unit with variable valve timing and either a four-speed automatic or a five-speed manual transmission.
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