可计算

The foundation of this system provides a good reference to promote the standardization and intelligence of the overhaul and maintenance of vacuum switches. This paper develops a special HF pulse power supply for internal pressure estimation, which achieves the output of HF-HV sinusoidal pulse wave whose frequency and amplitude can be modified respectively, and meets the design requirements according to the results of Simulink simulation and practical experiments. With the help of AT89S52, this paper designs an I~2C serial bus based signal detection system for peak value signal acquisition of HF pulse currents, which communicates with the upper computer by asynchronous serial communication for uploading the data. In the upper computer, a human computer interface is developed by Matlab software, whose functions are to do some computation and graphic display, such as calibrating the relation curve of vacuum degree and peak value of HF pulse currents, vacuum degree computation, and vacuum lifetime evaluation analysis basing on grey forecasting model as well as making relative suggestions.

本文研制了用于真空度检测的高频脉冲电源，通过Simulink仿真和试验检验其满足设计要求，实现了电压幅值和频率独立可调的正弦波高频高压脉冲输出；利用以AT89S52为核心基于I~2C串行总线的信号检测系统实现高频脉冲电流峰值信号的采集，通过异步串行通信实现单片机与计算机之间的数据通信，将检测数据传至上位机；在上位机利用Matlab开发人机交互界面，实现相关数据处理和图形显示，包括真空度——高频脉冲电流峰值关系曲线标定、真空度数值计算、基于灰色预测模型的真空寿命评估分析和提出相应决策建议。

The calculating method in this paper can be used to preestimate spray parameters of pressure-swirl atomizer.

本文所提出的计算方法可用于离心式喷嘴雾化参数的预估。

Being short of regulation and relative theory, it is difficult to calculate the compensation of attainable interest.

在审判实践中，由于缺乏法律条文和理论上的支持，可得利益赔偿的计算困难重重。

The effect of obstacle with special size on audibility factor of DW-ILS is analyzed,and the numerical results are obtained.

采用电磁感应定理计算出了特定尺寸障碍物对分米波仪表着陆系统航向天线辐射场的散射，得到了该障碍物对跑道中心线上可听度系数影响的数值结果，并对此做出了分析。

The outcomes of this study are expected to be applied to the fields, such as Taiwan medical services, clinical education and training, medical multimedia and augmentative/alternative communication and rehabilitation technology.

本研究已获得预期的研究成果，可提供台语资讯化及计算语言学相关研发之基础，以期有效地广泛应用於医疗服务、临床教育训练、医疗多媒体和语音沟通辅助复健科技方面。

This model can provide the good base of adaptive modulation and coding and automatic repeat request as well as dynamic resource allocation.

首先分析了正交频分复用技术频域信道统计特性，说明了Nakagami-m分布能更好地描述衰落信道；然后针对高速移动及OFDM信号传输的特点，采用状态持续时间相等法建立了OFDM频域信道有限状态马尔可夫模型，分别给出了计算持续时间、状态门限及状态数、转移概率、状态差错率的一般方法及m=0.5\1\2典型值的闭式解，该模型能为自适应模型控制、混合自动重传请求 HARQ、动态资源分配等技术提供良好的基础。

This system only uses a piece of microprocessor realization control keyboard, and may realize the real-time examination, the computation, the demonstration, the printing, reports to the police, function and so on correspondence as well as disturbance automatic reset.

本系统只用一片微处理机实现控制键盘，并可实现实时的检测、计算、显示、打印、报警、通信以及干扰自动复位等功能。

In the modified drift flux model both the acceleration by gravity and the acceleration of the average volumetric flow were taken into account for the calculation of the drift velocities.

为计算漂移数学模型中的汽相速度，综合考虑了重力和流体本身的加速作用对汽相漂移速度的影响，故该漂移数学模型可用于分析多维汽液两相流。

The method is not limited in azimuthal velocity variation.

以便在中小型计算机上实现，并可输出中间结果。

of calculation by computer and itsgeneral program are also given. Baggage car XL_(22) with bogie type 209 is taken as an illustrating example to bestudied.

并以装用客车209型转向架的XL_(22)型行李车为例进行了计算，提出了悬挂参数选择的合理方案，可供设计和研究人员参考。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。