Finally the example of a point target imaging is presented.
最后给出了点目标的成像示例。
To a point target there is no extent information can be used.
图像中低信噪比点目标检测与跟踪，从理论上讲是一个难题。
Point target recognition is the most difficult task in anti-missile system.
点目标识别是反导系统中最困难的问题之一。
Background suppression is a key technology of motive infrared point target detection.
背景抑制是红外运动点目标检测的核心技术之一。
To detect a moving point target that is submerged in noisy background is a very difficult problem.
要把淹没在噪声背景中的运动点目标检测出来是一个十分困难的问题。
The method is used for forecast and evaluation of thermal imaging system for point target performance.
所述方法可用于热成像系统点目标性能预测与评估。
The detection algorithm for the low SNR point target in image sequences and its performance is studied.
序列图像中低信噪比运动点目标的检测算法及其性能分析。
The moving point target detection technology has been a hot issue in the area of signal and image processing.
运动点目标检测技术，是信号和图像处理领域的热点研究课题。
Low SNR point target detection is the currently research focus, energy accumulation is one of its key elements.
低信噪比小目标检测是当前的研究热点，能量积累是其关键技术之一。
A lot of low altitude objects and the characteristics of point target make the detection and tracking even harder.
大量的低空背景景物以及点目标的特点——远距离、低信噪比、强杂波等，增加了目标检测和跟踪的难度。
In this paper, we discussed an algorithm for decision trajectory during detecting slowly moving point target in low SNR.
本文讨论了低信噪比条件下缓动点目标检测技术中候选轨迹的确定算法。
The Gauss model of point target image irradiance and the calculation model of the infrared radiation power are established.
因此建立一个高精度的光谱辐照度和光谱辐亮度标准是非常必要的。
The effective detection for point target in low SNR IR images is dependent greatly on the suppression of background clutter.
低信噪比条件下点目标的检测性能在很大程度上依赖于对红外背景杂波的抑制情况。
The technology of point target detection in IR image sequences is a difficult subject of information processing in recent years.
红外图像中点目标检测技术是近年来信息处理研究的热点和难点之一。
Therefore, point target detection of remote imaging is hot and difficult in infrared image detection and processing in recent years.
因此，远距离成像的点目标检测问题是近年来小目标红外图像检测与处理研究的热点和难点。
For the lack of point target and line detection in the above mentioned methods, a new parameter estimation method is then introduced.
由于以上方法无法检测点、线目标，本文提出了一种新的参数估计方法。
Detection of moving point target in infrared sequence images with complex background is the emphasis and difficulty of target detection.
在复杂背景红外序列图像中，运动点目标的检测一直是研究的重点和难点。
The author calibrates the point target of standard lambert slab and derives the theoretical formula of its lidar scattering cross section.
推导了点目标的激光雷达散射截面的理论公式，对标准朗伯平板点目标进行了定标。
For large probe beam divergence the SNR is relatively poor, and even a streaky signal process is predicted if a point target is scanned across.
系统发射的探测光束发散角较大时，信噪比较差，且光束扫过点目标可能出现条纹状信号过程。
A new nonparametric algorithm based on mathematical morphology is proposed for the detection of dim moving point target in infrared image sequence.
提出了一种新的基于数学形态学的红外图像序列中弱点状运动目标的非参数检测算法。
On this basis, we created simulation models for echo signals of SAR, analyzed several typical errors and got the point target echo with these errors.
在此基础上，建立了SAR回波信号的仿真模型，并针对几种典型的误差形式进行了进一步的分析，得到了带有误差的点目标回波模型。
In general, point target detection of Infrared image can be divided into three phases, followed by image preprocessing, target segmentation and target detection.
红外图像点目标检测一般可分为三个阶段，依次为图像预处理、目标分割和目标检测。
The theoretical models of point target, extended target and line target are established based on the concept of equivalent scattering area and laser ranging equation.
根据激光测距方程，引入了等效散射面积的概念，分别建立了对点目标、扩展目标和线形目标测距的理论模型。
The Adaptive Time-delay Neural Network (ATNN) based on exo-atmospheric space point target IR radiation sequences is proposed in order to improve the recognition rate.
为提高目标的正确识别率，提出一种基于空间点目标红外辐射序列的自适应时延神经网络(atnn)识别方法。
A novel method to detect and track small moving point target in image sequence is proposed in this paper, based on combination of the correlation of multi-frames and wave gate techniques.
提出了一种基于多帧相关技术与波门选通技术相结合的快速目标识别与跟踪方法。
In this paper, some automatic recognition techniques of the point target are introduced. The corresponding problems are reviewed. Finally, the prospect of such a research area is discussed.
本文概述了远距离目标即点目标自动识别的技术方法，评述了与之有关的一些问题，并就其今后可能的发展趋势提出了一些看法。
Finally, imaging simulation of point target in the condition of antenna micro-motion is done. Imaging results before and after compensation are compared combined with imaging characteristic.
最后在天线微动条件下对点目标进行了成像仿真，并结合成像特征对天线微动补偿前后的结果进行了分析比较。
The realized SAR echo signal simulator based on point target and simple distributed target now, however, its application scopes is very limited, and requires further study and more research.
虽然目前已有基于点目标和简单分布目标的回波模拟器系统，然而其应用领域非常有限，尚待进一步研究和完善。
They are relative motion orbit simulation system for point target, MDIS simulation system for point target, and MDIS simulation system for general image sequences which include background scene.
最后，实现了点目标相对运动轨迹仿真系统，点目标电子稳像仿真系统和存在背景图像的电子稳像系统三个仿真演示系统。
Compared with the PGA autofocus algorithm, the minimum entropy algorithm needs not isolate prominent point target in image domain and is especially suitable for the images without specific ch...
同相位梯度自聚焦算法相比，最小熵算法无需在图像域分离出强点目标，因而特别适用于无任何明显特征的图像。
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