... 特征点提取以及图片匹配Features Finding and Images Matching 旋转估计Rotation Estimation 自动校准Autocalibration ...
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Furthermore, the influence of multi-path is more severe. This paper will investigate the main problems in ship imaging such as signal model, imaging algorithm, muti-path and rotation estimation.
本文从回波模型、成像算法、多径效应、舰船运动估计等方面对舰船成像展开研究。
参考来源 - 舰船目标ISAR成像研究Moreover, conventional rotation estimation methods based on two-dimensional correlation approach is computationally heavy and thus practically difficult.
此外,传统的基于二维相关的旋转估计方法计算量较大,在实际应用往往难于实现。
参考来源 - 图像超分辨率重建技术研究·2,447,543篇论文数据，部分数据来源于NoteExpress
An approximate expression of the volume of body of rotation together with its error estimation is derived on the basis of theory of numbers.
本文用数论方法推导出一个计算旋转体体积的近似公式，并给出该近似公式的误差估计。
Upon this frame, use matrix Lie group to express the rotation space, then base on Bayesian estimation framework, calculate the minimum mean squared error bounds which use the matrix Lie groups.
在这种框架中，利用李群来表示旋转空间，然后基于贝叶斯估计结构，计算了利用李群的表示的最小均方误差估计性能界限。
The first part is about the features extraction, including the estimation of source level of the ship-radiated noise and the line extraction of the rotation frequency of propeller noise spectrum.
首先是舰船辐射噪声特征量的提取，包括舰船总声源级的估计和螺旋桨轴频线谱的提取。
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