Ship wakes′ scattering illumination abates with speed accretion of the ship,according to the analytic results, and bubble density,motion,diameter distribution will change with that.
用自行设计的测试系统测量了不同航速下船舶尾流的散射光信号,并选用一维离散小波Dmeyer小波对散射光信号进行了5层小波分析。
Sorting and recognition processes are carried out for ship wakes of three different speeds by use of SGGA.
船舶尾流形貌包含着船舶类型、船舶吨位、船舶航速等方面的信息,对尾流目标的识别是船舶识别的一种有用途径。
Study of scattering properties by ship wakes;
舰船尾流散射特性的研究
The normalized volume scattering function and energy distributing function of bubble populations in ship wakes are calculated by Mie theory,and based on which,the forward light scattering properties of bubble populations is analyzed.
利用Mie理论计算了舰船尾流气泡群的归一化体散射函数和散射能量分布函数,分析了尾流气泡群的前向光散射特性。
The energy distribution properties of light scattered by bubbles in far ship wakes were studied to study the detection and homing mode of optical wakes.
根据米氏理论推导了舰船尾流气泡群的光散射能量分布函数的计算公式,基于此公式对干净的尾流气泡群和覆盖着两种典型有机膜的脏尾流气泡群的能量分布函数进行了数值计算,得到了它们的能量分布特性。
Turbidity and light extinction characteristic of ship wake is calculated and analyzed based on the Mie s scattering theory.
阐述了介质的浊度、消光和朗伯公式之间的关系、基于Mie散射理论,计算和分析了舰船尾流的浊度和消光特性。
Large number of microbubbles in ship wake field scatter laser beam passing through them more intensively than sea water,where forward scattering takes dominant position.
舰船尾流场中的大量微气泡会使通过它的激光产生比普通海水强烈得多的散射效应,尾流场中微气泡的前向散射占主导地位,且在一定入射波长下,相对散射光强与气泡半径呈线性关系,气泡半径越大,对激光的散射越明显,这样照射到接收器上的光斑位置就会发生偏移,通过对接收器上光斑中心位置的计算,可以达到探测尾流场的目的。
For researching the ship wake characteristic and mechanism by means of experimental measurement and theoretical analyse.
为了对水面舰船尾流的特性和产生机理进行试验测量和理论分析,并以此为基础,建立舰船气泡尾流模拟系统,进而研制声光复合尾流自导系统。
Study of persistence of bubble characteristics of a surface ship wake
水面舰船尾流气泡特征的持续性研究
Ship Backwash Simulation Based on Particle System
基于粒子系统的舰船尾流建模与仿真
Study on performance of conductivity probe for detecting wake of ship
检测舰船尾流的电导率探头性能的研究
Experimental Study on Light Scattering Spatial Spectrum Distribution of the Ship Wake;
舰船尾流光散射空间谱分布的实验研究
Research on the Detecting System for the Forward Light Scattered by Ship Wakes
舰船尾流的前向光散射特性测试系统研究
Analysis of Chemistry Medicine Produced Screen of Air Bubble to Simulate Warship Wake
化学药剂产生气泡幕模拟舰船尾流分析
Pilot Experimental Study of a Prototype Optical Wake Detector
激光探测舰船尾流气泡样机初步实验研究
Relation Among Conductivity Characteristic of Ship Wake,Seawater Temperature and Bubble Distribution
水面舰船尾流电导率特性与海水温度和气泡分布的关系研究
The plate on the stern of a ship inscribed with the ship's name.
装在舰船尾部的舰船名牌.
Studies on Effect of Air Wake on Slope and Landing Property of Carrier Aircraft
舰尾流对舰载飞机下滑特性影响研究
An improved automatic detection algorithm for ship wakes in the SAR images
一种改进的SAR图像舰船尾迹检测算法
CFD Numerical Simulation of Ship Air-wake
舰船舰面空气流场的CFD数值模拟探讨
Influence of Carrier Air Wake on Carrier-Based Aircraft Landing Trajectory and Dynamic Response
舰尾流对舰载机着舰轨迹和动态响应的影响研究
The Simulation Study of Ocean Ship Wakes Imaging by SAR;
海洋舰船尾迹合成孔径雷达成像仿真研究
Research on Ship Wakes Detection in SAR Images;
合成孔径雷达图像海面舰船尾迹检测方法研究
Multi-ship wakes detection method based on recursive modified Hough transform field
基于递归修正Hough变换域的舰船多尾迹检测方法
Detection of SAR Image Ship Wake Based on Hough Transform
基于Hough变换的SAR图像舰船尾迹检测方法
the motorboat's wake capsized the canoe.
独木舟被汽船尾流打翻。