异步的

Heat treatment techniques which simulate the welding process of electromotor short circuit ring and short circuit bar are designed based on the actual thermal circulation on the short circuit bar.

根据电机转子导条和端环焊接过程中导条所经历的实际热循环过程，设计了模拟焊接过程的热处理工艺，对大功率异步牵引电动机转子铜合金导条和端环的焊接热影响区的组织和性能进行了研究，讨论了性能和组织的变化规律及其原因。

The simulation and experiment results show that the stator flux track is a circle, the stator current is a sine curve with few harmonics, the torque has small ripple and fast dynamic response.

仿真和实验结果证明了本文实现的全速度范围异步电机间接转矩控制方案是可行的，系统具有良好的动静态性能，在具有较高开关频率的中小功率应用场合有着非常好的应用前景。

In the third chapter of this thesis, a SOTs which could differentially release model drug gliclazide from two drug layers was designed and prepared, such SOTs could release model drug gliclazide at relative faster rate during the first few hours while release gliclazide at relative lower rate in the following hours.

本文的第三章中，设计并制备了一种新型的异步释放格列齐特三层渗透泵片，该三层渗透泵片能在初期几个小时内以较快的速率释放模型药物，而在随后的时间里缓慢的释放模型药物。

A standard developed to meet the requirements of portable consumer imaging and multimedia applications — what the IEEE refers to as the standard for High Rate Wireless Personal Area Networks.(The IEEE defines High Rate as 20 Mbps or better.) It is based on a centralized and connection-oriented ad-hoc networking topology. The standard also supports peer-to-peer connectivity and isochronous and asynchronous data.

802.15.3标准的开发主要用于满足便携式用户成像和多媒体应用的需求。802.15.3标准也就是IEEE所指的高速无线个人局域网标准，IEEE规定其传输速率不低于20Mbps.802.15.3标准建立在一个集中的，面向连接的特别的网络拓扑基础，支持对等连接和同步、异步数据传输。

In order to solve the problem of serious fluctuation of starting current in traditional control scheme, the author puts forward a new kind of starting method which can limit voltage value to achieve the goal of reducing fluctuation of the current by using zero voltage vector during the stage of starting.

文章分析了异步电动机直接转矩控制系统的工作原理及起动过程，针对传统控制方案存在起动电流波动严重的问题，提出一种通过在起动过程增加零电压矢量的方法限制电压值，达到减小电流波动的目的，对此进行了仿真研究，仿真结果表明该方法是有效的。

STG can also represent the behavior of an asynchronous control circuit through signal transition in the graph.

STG具有强大的描述和建模能力，通过信号跳变的情况来描述各事件之间的相互关系，从而来捕获系统的行为特征，所以STG能够代表一个异步控制电路的行为特性。

To guarantee the simulation results correction and speedup the simulation, the scheme for efficient PAPSoCS is proposed and the virtual topology star is constructed to match the path of messae passing for solving algorithm-architecture adequation problem.

为保证仿真结果的正确和提高仿真速率，所提出的连续系统的高效的部分异步并行仿真方案和适应消息传递的星型虚拟拓扑结构方案可有效地解决连续系统仿真的&算法-结构匹配问题&。

But with wind power capacity enlarging constantly and stochastic and incontrollable wind energy, wind asynchronous generator' s frequent startup will take inverse impact to wind power system stability, which is one of the most important restricting factor on wind power' s large-scale development.

然而，随着风电装机容量的不断扩大，风能的随机性和不可控性，使得相对频繁起动的风力异步发电机，对风电系统稳定性的影响也愈来愈大，成为制约风力发电规模发展的主要因素之一。

The Hilbert amplitude envelope of the stator current includes the low frequency of fault characteristic, thus it can reduce the signal length by resample the Hilbert amplitude envelope of the stator current by downsampling, which can avoid spectrum aliasing. Then it can reduce the computation time of the MUSIC Method for the spectrum analysis to the resampled signals for the given bandwidth. Meanwhile combining continuous subdivision Fourier transform and rotor slot harmonics based slip estimation it can in advance estimate the concrete values of the fault characteristic frequency, and then inquiry purposely the fault feature component information in the stator current spectrum in order to accomplish the broken rotor bar fault with high sensitivity and h reliability, which eliminates adverse effect of issuable false peaks to the fault detection and formed a novel scheme to detect broken rotor bar fault.

定子电流Hilbert幅值包络信号包含了低频的故障特征频率调制信号，故通过对定子电流Hilbert幅值包络信号进行降采样率重采样、减少分析信号长度，可避免低频段频谱混叠，再对减少的重采样数据进行具有超分辨率的MUSIC低频段估计，可大大降低MUSIC算法频谱估计时间；运用连续细化傅里叶变换和转子齿槽谐波转差率估计技术，可预知故障特征频率精确值，从而可有目的地查询故障分量，消除MUSIC虚假波峰对故障检测混淆的影响，大大提高了故障检测的灵敏度和可靠性，以此形成异步电动机转子断条故障检测新方法。

During the design of VXI-bus Serial Controller Module, the functions of VXI-bus including time-sequence for VXI interface, resource management, interrupt process, bus arbitration, are accomplished. To advance the performance and stability, the FPGA technic is used to implement the kerneled code including serial bus time-sequence switching to VXI interface time-sequence, the UART, the Parameterized Baud Generator and"Pipeling frame". The handle type of Data Transfer Bus for VXI-bus is researched thoroughly, and the format of serial data transfer is designed.

在VXI总线串行控制器设计中，实现了VXI总线控制器的基本功能，包括VXI总线接口时序、总线仲裁、超时处理等；同时利用先进的FPGA技术实现了串行总线时序向VXI总线时序的转换、通用异步收发器、参数化波特率发生器、流水线结构等功能模块；在设计中还深入研究了VXI总线数据传输的各种操作类型，制定了串行数据传输的编码格式。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失