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The static and dynamic performances of BLDCM were simulated,and the back electromotive force,phase current,torque and speed curves were demonst...

该模型准确易行，便于替换和修改，为今后分析该类电机和对其控制策略的研究提供了新的方法。

In order to improve the protection and maneuvering capability of armored vehicle, and reduce its weight, Using the 25mm ballistic curve canon and 105mm simulated Armor Piercing ammunition, influence of thickness, obliquity, and constraint condition of ceramic composite armor on the anti elastic performance was studied when subjected to the large inclination impact, DOP method was used to evaluate the anti elastic performance of composite armors.

胡丽萍，王智慧，侯圣英，郭领，王鹏中国兵器科学研究院宁波分院烟台事业部，山东烟台 264003 为了提高装甲车辆的防护和机动能力，减轻其自重，采用25 mm弹道炮和底推式105 mm穿甲模拟弹进行试验，研究大倾角陶瓷复合装甲结构单元中陶瓷的厚度、倾角、约束条件等因素对抗穿甲性能的影响规律。

A standard test rig is constructed from fabric and foam to form a simulated chair with the back at a right angle to the base. This enables the ignition source to be kept in permanent contact with both back and seat throughout the test.

一个标准的测试装配由织物和泡沫材料构成，用于模仿一个与基础面呈一定角度的带靠背的椅子，这要能够使在整个测试过程中火源能够一直与椅背和椅面保持接触。

Bistatic SAR data of simulated point and surface scatter response are focused by the algorithm and the quality of the image demonstrates the effectiveness and high resolution of the algorithm in large squint angle and large base line length case.

通过对点目标与面目标的成像仿真得到的成像结果及其质量评估指标表明：该算法可以在大基线长度、大斜视角的情况下实现高分辨成像。

And then,the effect trend of key factors on air-conditioning cooling load of representative base station was simulated by the software...

最后对不同节能设计方案的组合进行了模拟分析，给出了广州地区通信基站的节能设计策略。

Firstly the basic principle of OFDM and its anti-multi-path-fading are briefly introduced in this paper. Then basing on this point, we researched the basic principle, the coding designing and the algorithm of the signal detection of these MIMO-OFDM systems. At the same time, the performances of STBC-OFDM and SFBC-OFDM were analyzed and simulated under short wave circumstance, and got some useful conclusions, they have certain reference value for more research of short wave communication in future.

本文首先介绍了OFDM系统的基本原理以及它对抗多径的基本原理，然后在此基础上，对其所形成的几种MIMO-OFDM系统的基本工作原理，码字设计以及相应的信号检测算法进行了研究，详细分析研究了STBC-OFDM和SFBC-OFDM系统的性能并在短波信道下对其性能进行了仿真和对比分析，得出了有用的结论，这对以后短波通信的深入研究具有参考价值。

The effects of cycling controls can be easily simulated for planning adequate load management strategies.

的影响 骑自行车的控制可以很容易地模拟规划足够的负荷管理策略。

The simulated results are compared with the experimental results and are found to be in good agreement.

将模拟结果和实验结果进行了对比，吻合较好。

The experimental results are found to be in good agreement with the simulated results.

最后根据仿真结果做了实验，和仿真结果基本吻合。

Therefore, the radiative forcing simulated can be of good representative and the uncertainty is relatively small.

因此，辐射强迫的计算结果具有一定的代表性，不确定性相对较小。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。