ID 原文 译文
7404 在目标运动速度相同时,目标发现概率更高。 In the target movement speed phase at the same time, the target detection probability is higher.
7405 在算例的飞行条件下,目标发现概率比垂线扫描法提高约15个百分点。 In case of flight condition, the target detection probability about 15% higher than that of vertical scanning method.
7406 针对反舰导弹同时到达实施饱和攻击的战术要求,首先基于控制导弹发射顺序和发射间隔时间的思路,在考虑海洋环境因素对导弹速度影响的条件下,提出了反舰导弹同时临空打击单舰和编队目标的临空时间协同方法; Against anti-ship missiles and reach its saturation attack tactics requirements, first of all, based on the control of missile launch sequence and interval time of train of thought, in considering the effects of Marine environment factors on the missile speed conditions, puts forward the anti-ship missile airport hit single ship and fleet targets at the same time the opening time of collaborative method;
7407 然后,基于通过航路规划控制导弹的飞行航程的思路,建立了航路对称计算模型和动态椭圆计算模型,提出了通过规划航程相等的航路实现导弹同时临空的控制方法. Then, based on through the thinking of missile flight route planning control, route symmetry calculation model is established and the dynamic calculation model of elliptical proposed by equal route planning range missile opening at the same time.
7408 仿真结果表明:该方法可实现齐射的导弹以不同的飞行航路同时到达目标,解决了反舰攻击时发射平台须较长时间保持阵位的问题,提高了导弹攻击和兵力行动的效率。 The control method of the simulation results show that this method can realize a volley of missiles with different flight route to target at the same time, solved the anti-ship attack launch platform must be a long time to keep the array is a problem, improve the efficiency of the missile attack and force action.
7409 首先,给出了水下作战实验仿真的内涵和重要作用,并从水下信息攻防精细化仿真及复杂系统高性能计算两类应用需求,讨论了发展信号级水下作战实验复杂声纳系统仿真技术发展需求,介绍了国内外相关的技术概况。 First, presents the connotation and the important role of underwater warfare simulation, and information from underwater offensive and defensive fine simulation and high performance computing complex system two kinds of application requirements, discusses the development of signal level underwater operations experiment complex sonar system simulation technology development needs, this paper introduces the general situation at home and abroad related technologies.
7410 接着,分析了信号级水下作战实验复杂声纳系统仿真技术需要重点研究的科学问题,并从水声信号宽带波形快速预报、基于高性能平台的信号级仿真建模及大规模信号级仿真系统调控策略等3个方面论述了信号级水下作战实验复杂声纳系统关键仿真技术,包括其研究内容和作者所在团队研究成果; Then, the paper analyzes the signal level underwater operations experiment complex sonar system simulation technology is important to study the scientific issues, and quickly from broadband acoustic signal waveform forecast, based on the signal level of high performance platform mass signal level simulation modeling and simulation system control strategy for three aspects discusses the signal level and other underwater warfare experiment simulating complex sonar system key technology, including its research content and research result of the author team;
7411 最后,给出了信号级水下作战实验复杂声纳系统仿真技术进一步的研究方向。 Finally, gives the signal level underwater operations experiment complex sonar system simulation technology further research direction.
7412 线性调频(linear frequency modulation,LFM)信号是一类重要的水声信号,在低信噪比(signal-tonoise ratio,SNR)和α稳定分布噪声条件下,对LFM信号进行识别会遇到一些困难。 LFM (linear frequency modulation, LFM signal is a kind of important underwater acoustic signal, in the low SNR (signal - tonoise thewire, SNR) and alpha stable distribution noise conditions, the LFM signal recognition will encounter some difficulties.
7413 针对这个问题,在浅海水声多途脉冲噪声信道条件下,提出了适用于低SNR条件的LFM信号识别方法。 Aiming at this problem, under the condition of shallow sea underwater acoustic channel of multiplicity impulse noise, put forward the suitable for LFM signal identification method of low SNR conditions.