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为了使训练更有针对性和计划性,训练模拟器的评估功能应做到评估内容覆盖全面、贴合训练大纲、综合考虑训练过程中的各种因素、评估方式多样灵活等。根据训练模拟器评估功能需求以及已有研制经验,分别讨论了理论考试、操作训练评分、复杂训练课题评分以及辅助评估四种评分方式的设计思路,并提出了一种训练评分的处理流程。数据采集、专家系统和综合模糊评价法技术的应用在训练模拟器评估系统设计中起到很关键的作用。除了对以上关键技术应用的研究,在该课题上的研究应该重点放在提高智能化和灵活性上,以适应未来的复杂大型模拟器或者多模拟器的联网训练。 相似文献
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介绍了一种多目标模拟器及其特点,利用该模拟器可以模拟几十个方位、俯仰、距离都不同的目标,阐述一种新颖的多目标模拟器与雷达系统的工作过程,最后给出模拟器与雷达系统的信号流及模拟器角度控制器的组成框图。 相似文献
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PN序列因其优良的自相关性而被广泛应用.然而,PN序列因其自相关函数存在众多边峰、序列长度必须为2m-1(m∈Z)等而影响了其实用价值.本文提出了通过巴克码/正交巴克码/超巴克码与PN序列组合构造一种新的命名为低/零自相关(LZA)训练序列的设计方法.仿真证明:该法产生的LZA训练序列具有长度可以任意确定、除零时延处外该序列均有低/零自相关值、产生时所需储存容量和电路单元小、保密性高等优点.与众所周知的PN序列相比,LZA序列弥补了训练序列的不足,具有较高的理论意义和实用价值. 相似文献
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Wireless Personal Communications - The wireless technology plays a vital role in various fields such as aerospace, home appliances and global positioning system etc. This is important, especially... 相似文献
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Zhengbin Xu Jian Guo Cheng Qian Wenbin Dou 《Journal of Infrared, Millimeter and Terahertz Waves》2011,32(12):1434-1445
In this paper, a W-band single pole single throw (SPST) switch based on a novel PIN diode model is presented. The PIN diode is modeled using a full-wave electromagnetic (EM) simulator and its parasitic parameters under both forward and reverse bias states are described by a T-network. By this approach, the measurement-based model, which is usually a must for high performance switch design, is no longer necessary. A compensation structure is optimized to obtain a high isolation of the switch. Accordingly, a W-band SPST switch is designed using a full wave EM simulator. Measurement results agree very well with simulated ones. Our measurements show that the developed switch has less than 1.5 dB insertion loss under the ??on?? state from 88 GHz to 98 GHz. Isolation greater than 30 dB over 2 GHz bandwidth and greater than 20 dB over 5 GHz bandwidth can be achieved at the center frequency of 94 GHz under the ??off?? state. 相似文献
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在简要介绍高层体系结构(High Level Architecture,HLA)技术的基础上,提出基于HLA开发的机载预警雷达训练模拟器的设计方案、各部分的功能以及联邦开发方法。详细说明训练模拟器中雷达检测及跟踪模块和雷达场景生成模块这两个重要模块的实现原理。最后给出该雷达训练模拟器的仿真运行情况。 相似文献
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Real-time digital simulation of power electronic systems requires significant computational resources due to increasingly complex system configurations, control algorithms, and higher switching frequency. Consequently, it is prudent to exploit various computer resources for optimizing the design of simulators/controllers for such systems. This paper presents the design and implementation details of a real-time digital simulator for a Voltage-Source-Converter-based Distribution STATic COMpensator (D-STATCOM) power system. The design process adopts a modular approach utilizing distributed digital signal processor/field-programmable gate array resources of a digital processing platform. The design has been validated by using an experimental setup of a 5-kVA D-STATCOM system. 相似文献
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Wireless Personal Communications - In this paper, we introduce a novel signal characteristic, which is ubiquitous in the vast majority of communication signals. That is, a modulated signal is of an... 相似文献
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介绍了一种基于FPGA的微波着陆系统信号模拟器,采用基于函数发生器方式设计,由计算机根据微波着陆系统的信号格式计算各种信号数据,将信号数据灵活下载到存储器中,按照要求可产生正常或异常的信号及控制时序.实际测试和应用证明,信号模拟器的性能指标达到设计要求.该方法可应用于多种信号模拟器的设计. 相似文献
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本文介绍了一种计算机辅助高炮手训练器研制和主要功能及实现技术.该模拟器用于一二炮手追随瞄准击发、四炮手的航路装定训练,可供选择目标4种,航路1 500条.所有飞机,导弹图形逼真,报读声,爆炸声真实可信.该模拟器现用于双37高炮训练,只要将提前点的计算公式作适当修改,就可以用于25炮或57炮的训练. 相似文献