尾迹

SAR图像舰船尾迹检测是线性目标检测。

The issue of wake detection is linear target detection .

SAR图像舰船及其尾迹检测研究综述

Survey of the Study on Ship and Wake Detection in SAR Imagery

一种SAR海洋图像舰船尾迹检测与判别方法

Detection and Distinguishing Method of Ship Wakes in SAR Imagery

星载SAR船舶及尾迹探测技术研究

The Technique Researching for Ship and Ship Wake Detection Using Spaceborne SAR Images

SAR图像中的船尾迹自动检测系统

Automatic Detecting System for Ship Wakes in SAR Images

一种利用SAR图像检测船舶尾迹的方法

A method for detecting ship wakes in SAR images

运动潜体湍流尾迹的SAR遥感仿真研究

Simulation research of SAR remote sensing of turbulent wake of underwater moving body

在这张照片中，彗状物质尾迹之前存在有一个奇怪的X形天体。

The images show a bizarre X-shaped object at the head of a comet-like trail of material .

SAR图像船行尾迹检测的Radon变换和形态学图像处理技术

Ship Wake Detection in SAR Images Based on Radon Transformation and Morphologic Image Processing

基于递归修正Hough变换域的舰船多尾迹检测方法

Multi-ship wakes detection method based on recursive modified Hough transform field

再入飞行物等离子体尾迹RCS的计算

Calculation for RCS of Reentry Body 's Plasma Wake

提出一种基于局部Radon变换算法的自动检测系统，用于检测SAR图像中的船尾迹。

An automatic system based on localized Radon transform was proposed for detecting ship wakes in SAR images .

基于N-S方程的尾迹面法翼型气动阻力计算

Wake integration method for airfoil drag evaluation using N-S equations

背景流场考虑为尾迹时间平均速度流场和Kármán涡街流场。

The time-averaged velocity field of the wake and Karman vortex street flow field are considered as two kinds of the background flow field .

圆柱体绕流尾迹的PIV测量

Measurements of cylinder 's wake by PIV

基于Navier-Stokes方程/自由尾迹/全位势方程的旋翼流场模拟混合方法

A hybrid method based on Navier-Stokes / free wake / full-potential solver for rotor flow simulations

LDV技术用于测量振动圆柱尾迹

Measurements in TI-IE wake of an oscillating cylinder with LDV technique

Hilbert-Huang变换方法在Duffing方程和圆柱尾迹流分析中的应用

Application of Hilbert-Huang Transform in Analysis of Duffing Equation and Wake Flow over a Cylinder

结果表明：非烧蚀钝锥模型头身部红外辐射远大于尾迹红外辐射，在相同飞行速度和环境压力条件下，模型A产生的红外辐射比模型B产生的红外辐射强。

The results show that the IR radiation of model is stronger than the IR radiation of wake , and the IR radiation of model A is stronger than model B at the same test conditions .

不同物形及来流条件造成尾迹转捩位置的改变，从而影响RCS的数值及其沿轨道的分布；

Different body shapes and flow field parameters will change the location of wake transition and eventually the value and distribution of RCS .

舰船尾迹检测作为近年来SAR图像海洋应用的一个重要方面而受到关注。

As one of the important applications in Synthetic Aperture Radar ( SAR ) images , ship wake detection has been received considerable attentions in the area of marine remote sensing .

最后，计算局部Radon变换窗口内归一化的线积分值，通过寻找Radon变换空间的极值点确定船尾迹坐标。

At last , normalized line integrals were calculated within the localized Radon transform windows and the extremum in Radon transform space was the corresponding ship wake coordinates .

Lattice-Boltzmann方法在求解钝体绕流非定常尾迹中的应用

Lattice-Boltzmann Method with Applications to Simulation of Unsteady Wakes Behind Bluff Bodies

用Kolmogorov熵极小值方法，观测到了锥体尾迹流场的主激波结构。

The bow shock structure of blunted cone wake flow is observed by the method of Kolmogorov entropy minimum values .

SAR图像上舰船尾迹的检测主要取决于分布目标所在区域与背景海面在散射系数上的差别（即反差度大小）。

The effect of the detection of the wake of ship in SAR images primarily lies on the different of radar backscatter variations between the region covering the distributed targets and the background sea surface .

论文的研究内容，主要集中在SAR图像舰船尾迹检测方法研究和现场可编程逻辑器件（FPGA）在SAR图像舰船和尾迹检测中的应用初探上。

The dissertation focuses on two aspects , that is , research on ship wakes detection in SAR images , and Field Programmable Gate Array ( FPGA ) implementation for one detection algorithm in SAR images .

高时空分辨率的NPLS图像再现了激波、膨胀波、边界层及尾迹等流场结构。

NPLS images at high spatiotemporal resolution reveal shockwave , expansion wave , boundary layer and wake in the flow .

该方法运用了Jameson的旋转差分技术，并采用等效迎角方法计入旋翼尾迹的影响。

Jameson ′ s rotating finite difference methods is adopted and the wake effect is considered by introducing an equivalent angle of attack .

ε湍流模型和界面追踪的VOF方法，对分层流中水下运动球体产生的尾迹进行了数值模拟与分析；

ε turbulence model and VOF method are used to simulate the wake characteristics of a submerged sphere moving in a stratified fluid .

使用热线风速仪和PIV测量了静子尾迹与动叶相互干涉的流场，得到了静子尾迹在下游动叶排中的传播规律。

HWA and PIV are used to measure the interaction flow between stator wake and rotor , the spreading rules of stator wake across the rotor row are obtained .