查询词典 asynchronous communication

With the design flow,an asynchronous standard cell was developed,with which an asynchronous circuit chip was implemented.

但是，在集成电路设计领域，异步电路始终没有得到大规模的发展和应用，其中一个重要的原因就是

In this paper, according to the theory of electromagnetic fields, firstly, electromagnetic field of large and medium asynchronous motor is calculated from the angle of coupled fields, secondly, the end voltage of the stator is taken as constraint condition and starting current in stator is iterated in the numeral computation process, finally starting current and starting torque at rated voltage are gained, and by comparing calculation results with test results ,starting performance of large and medium asynchronous motor meet the demand of project practice.

本文根据电磁场理论，从耦合场的弱耦合角度首先计算了大中型异步电动机的电磁场，在电磁场的数值计算过程中，以定子端电压为约束条件，对定子起动电流进行了迭代计算，得到了额定电压下的起动电流和起动转矩，并把正弦时变场计算结果与实测结果进行对比，表明大中型异步电动机的起动性能的计算结果满足工程实际的需要。

According to the principle of vector control used in an asynchronous motor, a simulation model of the asynchronous motor in electric vehicle and vector control system in rotor flux orientation was established with the help of Matlab/Simulink software.

根据异步电机矢量控制原理，建立了电动汽车用异步电机的仿真模型和转子磁场定向下的矢量控制系统模型，并在Matlab/Simulink软件环境下对其进行建模。

In the dissertation, we presented a method to calculate the start oscillation length and real starting asynchronous velocity parameter. In the meantime, when the effect of two or more azimuthally asymmetric space harmonics in the high power broadband helix TWT on the start oscillation length and real starting asynchronous velocity parameter were also analyzed.

数值计算表明：增大渐变的强度，就可以增加起振长度，而且当渐变的强度增大到一定值时就不会产生返波振荡；当衰减器靠近输入段时，起振长度就随之减小；当增大衰减器的长度或减小衰减量时，相对起振电流随之减小，可见衰减器对起振条件确实有明显的影响。

Manufacturers are experimenting with clockless microprocessors, including some that are completely asynchronous and some that have local components with clocks tied together by asynchronous networks.

制造商们正在试验无时钟的微处理器，其中有的是完全异步的，有的局部部件有时钟，用异步网络连接在一起。

Then detailedly introduces the principle of pole-changing modulating speed and design feature in times pole proportion and non times pole proportion in the Mixed pole-changing simplex winding multispeed asynchronous motor , carry on discuss to the main parts of electrical machinery electromagnetism computation; by using VISUAL BASIC under WINDOWS platform for computer-aided design method for the mixed pole-changing simplex winding multispeed asynchronous machine, carries on profound analysis for the computer-aided design in the following aspect such as rotor and setting flush piece size, groove shape size, the rotor and setting winding connection, and start performance.

本文在介绍了单绕组多速电动机的概况，阐述了目前多速电机的发展现状与前景；利用槽号相位图以及混相原理对变极绕组进行了研究，确定了绕组的混相方案；并详细地介绍了混相变极单绕组多速电机在倍极比与非倍极比时的变极调速原理以及设计特点；对电机电磁计算的主要几个部分进行了讨论；介绍了使用WINDOWS平台下的VISUAL BASIC对混相变极单绕组多速异步电机的计算机辅助设计方法，对混相变极单绕组多速异步电机的定转子冲片尺寸、槽形尺寸、定转子绕组接法、定转子相带、起动性能的几个方面的计算机辅助计算进行了深刻分析；最后，对混相变极单绕组多速异步电机的样机检测试验结果进行了分析。

For finite number of frequency bins, the maximum throughput of synchronous system is about twofold to that of asynchronous system. It can be seen that the synchronous FH—CDMA system is related to slotted ALOHA system, and the asynchronous system is related to unslotted ALOHA system.

此外，还对ALOHA系统与FH—CDMA系统作了比较，得出：当要求分组错误概率较小时，FH—CDMA系统的吞吐量比ALOHA系统大得多；窄带系统中的时槽与FH—CDMA系统中的同步跳频相对应，而窄带系统中的非时槽则与FH—CDMA系统中的异步跳频相对应。

Two cylinders drive the tipping unit, loading the bars; one asynchronous motor drives chain motion mechanism, implementing the feed and back off movement of bars; bar lifting movement in the process of chamfering and blanking movement after machining are carried out by another two cylinders; one asynchronous motor rotates the bar and one cylinder swings the wheel head when grinding; the feeding of the wheel head is accomp...

它通过控制两套汽缸驱动翻爪完成上料，一台异步电动机驱动链条式多轮运动机构完成磨削前的进料和磨削后的退料，两套汽缸完成磨削倒角加工时的预料和加工完成后的落料，一台异步电机在磨削加工时驱动棒料旋转，一个汽缸驱动磨头在加工时摆动，一台步进电机驱动磨头实现磨削进给，两套汽缸驱动翻爪完成下料，而磨头是用一台异步电机驱动砂轮旋转的机构，并给出了控制系统原理图及程序流程图，解决了控制器输入点数相对不足的技术问题。

This paper introduces the design and imp lementation of an asynchronous-communications system which emp loys TL16C554A as its core hardware, including the selection of the asynchronous-communications elements, the circuitry design, the temporal logic and software realization.

根据微型无人机飞控计算机与外围多个设备进行通信的需要，介绍了由 TL16C554A 芯片组成的多路异步串行通信系统的设计与实现，包括扩展异步串行接口的方案选择、硬件电路设计、时序逻辑实现及软件实现。

This paper starts with the analysis of power loss of Asynchronous Motors, discusses the performance characteristics, energy-saving theory, energy-saving effects, anti-EMI of protectors and other problems that should be noticed when three-phase Asynchronous Motor switches from △ connection to Y connection.

本文从分析异步电动机的功率损失入手，阐述了三相异步电动机Δ-Y切换降压运行的工作特性、节能原理、节电效果、节能保护器应采取的抗干扰措施以及其它应注意的问题。

As of Tuesday, Google's results were still censored in China.

截至周二，谷歌的搜索结果仍受中国审查。

In order to make the positive action increase and negative one decrease, the sub-forces of the social factors must be adjusted to form a centripetal force.

在这一过程中，人的主体性发挥是社会有机体健康发展的灵魂。