ID 原文 译文
47766 引入循环优化思想来解决多个高斯谱回波混合时的谱矩估计问题。 Introduction of loop optimization ideas to solve the multiple spectral moments of the gaussian spectrum mixed echo estimation problem.
47767 给出了将谱矩估计的二维搜索问题转化为两个一维搜索的快速算法。 Given the spectral moment estimation of two-dimensional search problem into two one dimensional search fast algorithm.
47768 理论和仿真实验与分析表明,提出的方法适用于信噪比较低的情况。 Theory and simulation experiments and analysis show that the proposed method is suitable for the low signal noise ratio (SNR).
47769 提出了一种高分辨率合成孔径雷达(synthetic aperture radar,SAR)杂波图像的仿真方法。 This paper proposes a high-resolution synthetic aperture radar (synthetic aperture radar, SAR) clutter simulation method of the image.
47770 在分析了两种用于高分辨率SAR杂波图像建模的统计模型(广义Gamma分布和广义复合分布)特性的基础上,推导了其相应的基于非线性变换法的生成函数的解析式。 On the analysis of the two kinds of used in high resolution SAR clutter statistical model of image modeling (generalized Gamma distribution and generalized composite distribution characteristic, on the basis of its corresponding was deduced based on the analytic expression of nonlinear transformation method of generating function.
47771 然后,在由实测图像中估计与人为设定两种模型参数获取方式下,分别仿真了广义Gamma分布和广义复合分布的SAR杂波图像。 Then, in the estimated from the measured images with arbitrary access method, two kinds of model parameters were simulated the distribution of the generalized Gamma distribution and generalized composite SAR clutter image.
47772 实验结果表明,所仿真图像的直方图均与相应的理论概率密度函数吻合,验证了仿真方法的有效性。 The experimental result shows that the simulation of the image histogram and the corresponding probability density function theory, verify the validity of the simulation method.
47773 综合考虑目标的散布特点以及航空磁探仪探测能力,推导了磁探仪应召搜索概率评估的解析模型。 Considering the spread characteristics of the target and aeromagnetic finder detection ability, magnetic finder was deduced call search probability analytical model of the assessment.
47774 针对解析评估模型中探测宽度为战术设定值无法准确描述目标磁特性的变化对搜索概率影响的问题,提出了等效平均探测宽度模型。 Detection width in the work of analytical evaluation model for tactical Settings cannot accurately describe the change of magnetic properties of the target to the search, the influence on the probability, the equivalent average width detection model was proposed.
47775 根据建立的航空磁探测相遇模型和检测模型,给出了等效平均探测宽度模型的求解算法。 According to the mathematical models of airborne magnetic detection met and testing model, gives the equivalent average width detection algorithm of solving the model.