ID |
原文 |
译文 |
48976 |
其核心思想是从不同的角度巧妙地利用回波间的相关性,通过分析与速度有关的相位或距离信息完成目标速度估计。 |
Its core ideas skillfully using echo from different angles, the correlation between through the analysis phase or distance information related to the speed of speed estimation for achieving goals. |
48977 |
所提算法不仅有效地利用了运动目标帧间距离走动的信息,还充分利用了运动目标在正负频率步进信号体制下耦合时移相反的特性,其结果能够直接实现高速运动目标的精确测速,完成目标微动特性的测量。 |
Proposed algorithm not only effectively use the motion target frame of the distance between the moving information, also make full use of the moving target under the positive and negative stepped frequency signal system coupled with opposite characteristics, its results can directly implement high-speed motion target speed measuring precision, the characteristic of micro measurement for achieving goals. |
48978 |
仿真结果证明了所提算法的有效性。 |
The simulation results prove the effectiveness of the proposed algorithm. |
48979 |
为有效分析机载雷达湍流场产生机理以及在有因次和无因次条件下的湍流变化规律,利用快速傅里叶变换三维对称特性产生出三维零均值高斯噪声,结合Von Karman模型建立了空间三维湍流场模型,并提出了一种机载雷达湍流信号的处理算法。 |
Mechanism for effective analysis of airborne radar turbulent flow field and under the condition of dimensional and dimensionless turbulent change rule, using the fast Fourier transform 3-d symmetric feature to produce three dimensional zero mean gaussian noise, combined with the Von Karman model space three-dimensional turbulent flow field model is established, and put forward a kind of turbulence in airborne radar signal processing algorithms. |
48980 |
在三维湍流场计算机仿真中引入了湍流尺度和湍流强度参数。 |
In three-dimensional turbulent flow field simulation of turbulence scale and turbulence intensity parameter is introduced. |
48981 |
仿真结果表明,产生的三维湍流场能较好地符合实际情形,可以满足机载雷达对湍流目标检测的飞行仿真要求。 |
The simulation results show that the three-dimensional turbulent flow field can be well in line with the actual circumstances, can satisfy for turbulent airborne radar target detection requirements of flight simulation. |
48982 |
此外,在有因次情形下的湍流变化规律与无因次情形下基本是一致的,但其波动幅度要大于无因次情形。 |
In addition, the change law of turbulent flow in a dimensional case and dimensionless case is basically consistent, but its volatility than dimensionless situation. |
48983 |
针对智能虚拟维修环境中多Agent协同作业求解问题,提出一种基于任务驱动方法的协同虚拟维修训练体系框架,并构建基于该框架下的协作感知-规划-行为(sense-plan-action,SPA)关系模型,在该模型中使用参数化表达方法来量化多Agent协同作业过程,并将任务求解过程转化为时序信息、属性状态演变、目标决策等多通道框架驱动协同作业的实现,解决了多Agent协同作业的逻辑关系问题。 |
In intelligent virtual maintenance environment more Agent work together to solve problems, and put forward a kind of collaborative virtual maintenance training system based on task driving method framework, and build based on the framework of collaborative perception - planning - behavior (sense - plan - the action, SPA) relational model, used in the model parametric representation methods to quantify the Agent more collaborative process, and the task solving process into a state of temporal information, attributes, evolution, goal driven collaborative decision-making such as multi-channel framework implementation, solve the Agent more collaborative logic relationship problems. |
48984 |
最后,将该方法应用于轮式工程机械协同虚拟维修仿真过程中,实现了协同虚拟维修可视化,验证了任务驱动方法在协同虚拟训练中的可行性。 |
Finally, the method was applied to wheel type construction machinery in collaborative virtual maintenance simulation process, realize the collaborative virtual visualization of maintenance, to verify the feasibility of task driving method in the collaborative virtual training. |
48985 |
针对无人直升机的大范围鲁棒控制问题,提出局部H∞最优线性变参数(linear parameter varying,LPV)速度(local H∞optimal LPV velocity,LHOV)控制方法。 |
For a wide range of unmanned helicopter and robust control problems, put forward the local h-infinity optimal linear parameter varying (linear parameter varying, LPV) speed (local h-infinity optimal LPV velocity, LHOV) control method. |