ID 原文 译文
48366 针对双领航自主水下机器人(autonomous underwater vehicle,AUV)协同导航系统编队设计对系统可观测性的要求,采用非线性系统李导数可观测性分析方法以及矩阵条件数分析理论对基于相对距离量测的双领航者协同导航方法的可观测性进行了定性和定量分析,得出了系统可观测性大小取决于主从AUV间的距离向量以及从AUV速度向量之间的相互关系。 For double pilot autonomous underwater robot (autonomous underwater vehicle, the AUV) collaborative navigation system formation observability of the system design, by using lie derivative nonlinear system observability analysis method and the theory of matrix condition number analysis based on the relative distance measurement of double leading observability of collaborative navigation method has carried on the qualitative and quantitative analysis, it is concluded that the system observability depend upon the distance between the master-slave AUV vector as well as the relationship between the AUV velocity vector.
48367 针对从AUV处于运动、静止两种状态,分别采用扩展卡尔曼滤波技术对双领航者协同导航算法进行了不同航迹条件下的仿真,对系统的可观测性条件进行了验证。 Stationary from AUV in motion, two kinds of state, respectively, using extended kalman filtering technology to the double leading collaborative navigation algorithms under the condition of different track simulation, the system observability conditions are verified.
48368 针对反隐身作战需求,讨论了云计算及其军事应用,提出了战术云概念; For anti-stealth operational needs, cloud computing is discussed and its military application, puts forward the concept tactical cloud;
48369 基于战术云提出了一种云协同网络集群反隐身火控攻击引导技术,分析了其火控工作原理,设计了其系统结构和功能组成,给出了其体系架构,描述了其工作过程,并归纳总结出该新型火控系统的4项关键技术,即云协同探测、云战术决策、云无源火控、云网络制导,为新一代火控攻击引导系统研制提供了参考,具有很强的工程应用前景。 Tactics based on the cloud proposes a collaborative network of cloud cluster anti-stealthy fire control techniques to guide, analyses the working principle of the fire control, design the structure and function of the system, its architecture is given, and describes its working process, and summarizes the new fire control system of the four key technologies, namely collaborative detection of cloud, the cloud passive fire control tactical decisions, cloud, cloud network guidance, as a new generation of fire control provides reference guide system is being developed, has the very strong engineering application prospects.
48370 针对基于非下采样轮廓波变换(non-subsampled contourlet transform,NSCT)的红外和可见光图像融合存在的目标信息不明确、融合图像对比度较低的问题,提出了NSCT和独立分量分析(independent component analysis,ICA)的红外和可见光图像融合方法。 Based on the sampling profile under the wavelet transform (non - subsampled contourlet transform, NSCT) of infrared and visible light image fusion of targets information not clear, low fusion image contrast, put forward the NSCT and independent component analysis (independent component analysis, the ICA) of infrared and visible light image fusion method.
48371 首先采用NSCT对红外和可见光图像进行多尺度、多方向分解,然后对分解后的红外和可见光图像的低通子带系数采用基于ICA的图像融合方法,得到低通融合图像。 First of all, the infrared and visible light image using NSCT multi-scale decomposition, multiple directions, then after decomposition of the infrared and visible light image low-pass subband coefficients of the image fusion method based on ICA, low-pass fusion image.
48372 再使用以邻域系数差和信息熵为标准的带通图像融合规则对带通子带系数进行融合,得到带通融合图像。 To use based on neighborhood differential coefficient and the information entropy of bandpass image fusion rules to fusion of bandpass subband coefficients, get bandpass fusion image.
48373 最后对低通融合图像和带通融合图像进行NSCT的逆变换,从而得到最终的融合图像。 Finally, the low pass fusion image and bandpass fusion image NSCT inverse transformation, and the final fusion image is obtained.
48374 仿真实验验证了本文方法的有效性。 Simulation results verify the validity of the method in this paper.
48375 在认知超宽带(cognitive ultra-wideband,CUWB)通信系统中,检测与躲避(detection and avoidance,DAA)策略通过感知首要用户(primary user,PU)所处频段,然后用脉冲波形设计等方法来规避所占频段以获得共存通信的效果。 In cognitive ultra-wideband (cognitive ultra - wideband, CUWB) communication system, the detection and avoid (detection and avoidance, DAA) strategy by the primary user perception (primary user, PU) spectrum, then use to circumvent the spectrum of pulse waveform design method to achieve coexistence communication effect.