ID 原文 译文
9954 针对利用雷达波形实现通信功能所存在的通信速率低的问题,提出了基于步进频信号的雷达通信共享信号。 For existing communication functions by using radar waveform, the problem of low communication rate, was proposed based on step frequency signal of the radar signal communication sharing.
9955 首先结合多进制频移键控(multi-frequency shift keying,MFSK)的调制方式,建立了步进频-MFSK的一体化信号模型; ‭ First combining multi-band frequency shift keying (multi - frequency shift keying, MFSK) modulation method, established the step frequency - integration of MFSK signal model;
9956 然后推导出该信号的模糊函数和自相关特性,并分析了携带通信信息对雷达探测性能的影响; ‭And then deduce the fuzzy function of the signal and the relevant features, and analyzes the carrying communications information affect the performance of radar detection;
9957 ‭最后给出了通信信息的解调方法。 ‭In the end, the communication information of demodulation method was presented.
9958 仿真结果验证了该信号能够兼顾雷达探测威力和信息传输的效率及可靠性。 The simulation results shows that the signal can juggle radar detection power and the efficiency and reliability of information transmission.
9959 3D矢量场插值是拓扑分析与可视化应用的重要预处理步骤。 3 d vector field interpolation is an important preprocessing step of topology analysis and visualization.
9960 针对反距离权重法(inverse distance weighted,IDW)在3D矢量场插值中参考样本选择缺乏科学指导以及无法反映矢量场局部特性的局限性,提出了一种顾及局部特性的自适应3D矢量场反距离权重插值法。 ‭In view of the inverse distance weighting method (inverse short weighted, IDW) in 3 d vector field interpolation reference sample selection in the lack of scientific guidance and cannot reflect the local characteristics of the limitations of vector field, this paper proposes a with local characteristics of adaptive 3 d vector field inverse distance weighted interpolation method.
9961 首先基于距离影响度搜索初始样本集; ‭First of all, based on distance affect search initial sample set;
9962 然后对初始样本集进行分类,若其为小样本集直接采用IDW算法插值,若其为大样本集则基于矢量场局部线性近似进行优化得到优化样本集进行IDW算法插值。 And then categorize the initial sample set, if it is small sample set using IDW interpolation algorithm directly, if its for large sample set based on local linear approximation is optimized optimized vector field sample set for IDW interpolation algorithm.
9963 理论分析与实验结果表明,该方法能够自适应选择插值参考样本; ‭Theoretical analysis and experimental results show that the method to select adaptive interpolation reference sample;