night sky background是什么意思

网络释义

用法例句

Theoretical methods of improving the performance of dim-point target recognition under sea and sky background;

改善海空背景下红外弱点目标识别性能的理论方法探讨

By analyzing the character of IR image and the rules about IR radiation of the objects in sky background,this paper presents the way to compose and display the real time IR back-ground image of antiaircraft missile.

本文通过分析红外图像的特点和天空背景中各景物的红外辐射规律,提出和完成了防空导弹作战环境的动态红外背景图像的合成及其在模拟显示方法。

Research on image sequence compression method of celestial background;

星空背景图像序列压缩编码方法研究

Followed,based on the IR catalogue data,an approach for modelling the celestial background observed in any time,on any eyeshot and at any visual angel,is presented.

针对深空背景空间目标的红外图像仿真问题,首先根据热平衡理论,对典型空间目标进行建模,得到目标不同部分的温度;然后建立目标的红外辐射模型,得到目标的红外辐射光谱特性;接着提出了一种基于红外星表数据库的星空背景建模方法,模拟任意时刻,任意视场大小和指向的红外星空背景;最后得到了不同距离、不同姿态空间目标与深空背景合成的红外图像仿真序列,实现了探测器不断接近目标过程中的红外辐射图像仿真。

Based on the catalogue data, it is presented an approach for modeling and simulating the celestial background observed in any time and at any places.

提出了一种基于星表数据的建模和仿真方法,模拟在任意观测时刻、任意观测地点观测到的星空背景。

Research on real-time dim target detection algorithm in deep space;

深空背景弱小目标实时检测算法研究

Background gap, seismogenic gap and approaching shock before Boketu and Dedu moderate earthquake occurred on Feb.

５级中强震群前后的背景空区、孕震空区、逼近地震等。

Some results are as follows:① A background gap of M≥5.

结果表明:①汶川地震前38a龙门山断裂带及其附近形成5级地震背景空区,震前6。

Research on Background Suppression and Target Detection of IR Image under Sea-sky Background;

海空背景下红外图像背景抑制及目标检测算法研究

Research on Technique about IR Small Ship Target Detection of Complicated Sea-sky Background;

复杂海空背景下红外舰船小目标检测技术研究

Detection Algorithm of the Region Containing Dim Target under Sea-sky Background

海空背景下确定弱小目标潜在区域的方法

A New Algorithm of Small Target Detection for Ifrared Image in Background of Sea and Sky

一种海空背景下红外小目标检测新算法

Research on Technique of Pretreatment and Small Target Detection of Sea-sky Background IR Image;

海空背景条件下图像预处理和小目标检测技术研究

She was looking at the sea, and her form was outlined on the blue ocean and sky.

她凝望着大海，背景是蓝色的海与天空。

The"Empty"Space--The Mystery of the Background Space in Posters by Shigeo Fukuda;

“空”的空间——福田繁雄海报背景空间的奥秘

New detection algorithm for dim IR point targets under complicated sea and sky background

海空复杂背景下红外弱点目标检测新算法

Study of Infrared Radiation Feature of Dim Point-targets Under Complicated Background of Sea and Sky

海空复杂背景下弱点目标红外辐射特征研究

Detection of small targets within sea clutter using spatiotemporal chaos

基于时空混沌的海杂波背景下小目标检测

Study and simulation of background suppression based on IR low-altitude complex conditions

基于红外复杂低空背景的背景抑制研究与仿真

Research on the Educational and Professional Background of the Presidents of Colleges and Universities in Shanghai

上海本科院校校长的教育背景和职业背景分析

Image Simulation Approach of Targets in Celestial Background

星空背景下空间碎片的图像仿真研究

Regional Characteristics in an Era of Modernization,Internationalization and Commercialization Unconscious construction of contemporary urban public space in Shanghai

现代化、国际化、商业化背景下的地域特色 当代上海城市公共空间的非自觉选择

ANALYSIS ON LIANYUNGANG URBAN SPATIAL DEVELOPMENT STRATEGY ALONG WITH JIANGSU COASTAL DEVELOPMENT

新时期连云港城市空间跨越发展战略解析——江苏沿海开发背景下的应对策略

the outline of objects seen against the sky.

以天空为背景映出的轮廓。

silhouetted against the sky

以天空为背景显出轮廓的

The energy of scalar partrcles under the background of barriolaVilenkin space-time;

Barriola-Vilenkin时空背景下标量粒子的能量