ID |
原文 |
译文 |
9684 |
研究了利用多元组结构来提高角度精度的方法,相较于传统的三元组,多元组的幅度取值存在冗余,可以通过优化求解,获得各辐射单元的最优的幅度取值,给出了在此最优幅度下多元组所能达到的最优仿真角度误差方差的表达式。 |
Studied the method of using multiple group structure to improve the precision of Angle, compared with the traditional triad, the diverse group of redundancy of amplitude values, can solve, through optimizing for the size of the optimal value of each radiating element is given under the optimal range of diverse groups can achieve the optimal simulation, the expression of the Angle error variance. |
9685 |
数值计算结果表明,幅度优化后的多元组能够显著提高射频仿真系统的角度精度。 |
Numerical calculation results show that the amplitude of the optimized multivariate group can significantly improve the precision of the Angle of the radio frequency simulation system. |
9686 |
研究结果对于射频仿真技术能力的提升具有理论意义和应用价值。 |
The results for the ability of the rf simulation technology has theoretical significance and application value. |
9687 |
面向舰载机舰面保障效率和资源利用率等效能指标,系统分析了一站式保障流程约束和资源约束条件,建立了舰载机多机舰面一站式保障调度的数学优化模型。 |
For aircraft ship surface to ensure efficiency and resource utilization efficiency index, such as system analysis the one-stop security process constraints and resource constraints, established carrier-borne machine more ships face one-stop security scheduling mathematical optimization model. |
9688 |
针对传统优化算法难以求解大规模调度问题,提出了一种Memetic算法。 |
According to traditional optimization algorithm is difficult to solve large scale scheduling problem, this paper proposes a Memetic algorithm. |
9689 |
首先,为了使可更新类资源负载均衡化,采用一种嵌入资源分配策略的串行调度方案; |
First of all, in order to make the renewable resource load equalization, using an embedded resource allocation strategy serial scheduling scheme; |
9690 |
其次,设计了一种基于子拓扑结构的自适应变异策略以提升算法的探索能力,并引入基于模拟退火机制的局部搜索方法; |
Secondly, we design a child topology based adaptive mutation strategy to enhance the algorithm of exploring ability, and local search method based on simulated annealing mechanism is introduced into; |
9691 |
最后,基于不同调度规模案例的仿真结果验证了模型和算法的可行性和有效性。 |
Finally, based on the different size case of scheduling simulation results verify the feasibility and effectiveness of the model and algorithm. |
9692 |
针对线性调频(linear frequency modulated,LFM)信号在低信噪比条件下的信号检测问题,提出将广义S变换(generalized S transform,GST)与Hough变换相结合(generalized S transform based on Hough transform,GSTH)信号检测方法。 |
For linear frequency modulation (linear frequency modulated, LFM signal in low SNR signal detection problem, proposed to the generalized S transform (generalized S transform, GST) combined with Hough transform (generalized S transform -based on Hough transform, GSTH) signal detection method. |
9693 |
从理论层面推导出LFM信号在进行GST后对应的参数特性,论证Hough变换的可行性,推导出GSTH变换后LFM信号与噪声的概率密度分布函数,给出了基于奈曼-皮尔逊准则进行峰值检测时,检测门限的计算方法与确定流程。 |
Is derived from the theoretical level in GST corresponding parameters, the characteristics of LFM signal, the demonstration of the feasibility of Hough transform is derived after GSTH transformation of LFM signal and noise, the probability density distribution function is given based on the rule of nai man - Pearson during peak detection, the calculation method of the detection threshold and determination process. |