高分辨距离象是高频区雷达目标识别的最基本的依据。
In high frequency region, the radar range profiles are chosen as feature vectors for target recognition.
另外，为了达到设计上的分辨距离还要有良好的照明和反衬度。
In addition, to obtain the designed resolution distance, GND lighting and good contrast are necessary.
本文主要对高分辨距离像雷达目标识别方法进行了研究和探索。
This thesis mainly investigates the methods of radar target recognition based on High Range Resolution Profile (HRRP).
讨论了基于高分辨距离像(hrrp)的目标长度特征提取原理。
The basic theory of extraction of target projection length using high resolution range profile (HRRP) is discussed.
高分辨距离像的畸变补偿是空间目标ISAR成像过程中的重要环节。
Distortion compensation of high resolution range (HRR) profiles plays an important role in ISAR imaging of space target with high speed.
雷达高分辨距离像包含目标的几何结构特征，已广泛应用于雷达目标识别领域。
Radar high resolution range profile provides potentially discriminative structure feature on the geometry of target, which has been used widely on radar target recognition.
文中对高分辨距离象用于目标识别的两个方面的特征进行了分析，提出了相关角度的概念。
The profile is seriously affected by the bearing. In order to make the radar target recognition more sffective, the definitions of correlation length and correlation angle are given.
该方法采用少量FCPR信号子脉冲对目标频域响应进行采样，即可提取目标高分辨距离像信息。
Target frequency domain response is sampled with only a few FCPR sub-pulses, from which target high resolution range information is reconstructed exactly.
主动探测通过不同的波形设计方法，研究了各种高分辨力信号实现高分辨距离像的方法及其优缺点和应用。
For active detection, through the different methods of waveform design, ways to synthesize high-resolution range profiles by different high-resolution signals is researched.
频率步进合成高分辨雷达体制受目标径向运动速度的影响极大，为了获取目标准确的高分辨距离像，需要做运动补偿。
Target velocity has a big negative effect on synthetic high resolution range profiles of step frequency radar. In order to obtain precise profiles, velocity compensation is indispensable.
由于雷达的高分辨距离像对方位变化非常敏感，模板库中对每个目标都必须按较小的方位范围建立所有有关方位的模板。
Due to the aspect sensitivity of high-resolution range profile (HRRP), the template database should include all the templates for each small aspect range.
阐述了置信度原理，根据导弹目标距离像识别的特点提出了一种适用于高分辨距离像识别的置信度函数，进而提出了距离像序贯识别方法。
Due to the aspect sensitivity of high-resolution range profile (HRRP), tradition al radar HRRP target recognition methods usually use average profile within some aspect region as aspect template.
基于对HRRP空间雷达自动目标识别中冗余噪声匹配的分析，研究了高分辨距离像的特征选择方法，提出了一种基于目标子空间的雷达自动目标识别方法。
This thesis studies the feature selection method of HRRP and proposes a RATR method in target subspace based on the analysis of noise-match in HRRP space.
能看清长城的最远距离取决于成像系统(眼睛)的角度分辨率以及长城与它周围环境的对比度。
The distance the wall could be seen depends on the angular resolution of the imaging system (the eye) and the contrast of the wall vs. background.
较低的分辨率可以有效地应用在较大的屏幕下，这有利于那些近视的用户，并可以使用户从较远的距离来看屏幕上所显示的内容。
Lower resolution can be effectively used with larger screen; this will help those short-sighted users, and allows the user to read screens from a farther distance.
我会知道的，我像这样子近距离的凝视你的眼睛深处，就能分辨你是我的儿子。
I would know. If I look very closely — like this — into your eyes, I can tell you are my son.
有工具可以帮助您基于距离和摄像头高度等因素来选择适合您需求的分辨率和镜头。
There are tools available that help you choose the resolution and lens that fits your needs, based on factors like distance and camera height.
基于最小分辨对比度准则，研究了天空背景下红外点目标的最大探测距离估计方法。
This paper investigates the approach to estimate the maximum detection range of an infrared point_target against sky background based on the minimum resolved contrast(MRC)criteria.
正在学看东西的小孩子，开始时只能分辨二维形态，他不能判断距离和深度。
The child learning to see first distinguishes only two-dimensional shape; it cannot judge distances, depths.
首先，给出了宽带雷达信号具有高分辨能力的直观解释，推导了频率步进雷达合成高分辨一维距离像的通用数学表达式。
First, the basic expression of high-resolution one dimensional range profile of the stepped frequency (SF) is deduced to explain the high resolution of the wideband signals.
光分辨率是以距离到镭射点直径的比例关系来描述的。
Optical resolution is expressed as a ratio of the distance to the resolution spot divided by the diameter of the spot.
基于飞机目标高分辨一维距离像，给出了一种目标识别方法。
In this paper, based on aircraft range profile of high resolution radar target, a recognition method was presented.
然后提出了可用于高距离分辨力雷达目标识别的一维距离象多分辨分解和目标结构特征的多分辨描述方法。
Then, in the light of high-resolution radar target one dimensional range profiles, it is decomposed in multi-resolution and the multi-resolution feature description are obtained.
本文以高距离分辨率技术为基础，通过理论分析和仿真，寻找一种解决低空目标探测与跟踪的新途径。
Through theory analysis and simulation, this article presents a new method of low altitude target detection and tracking, based on high distance resolution technology.
雷达的距离分辨率与发射信号的带宽成反比，要获得大的距离分辨率，必须发射宽带雷达信号。
Radar range resolution is influenced by its bandwidth, in order to obtain high range resolution, radar must emit wideband waveform.
此外，对于二维成像，距离向分辨率和方位向分辨率也是必须考虑的因素。
Moreover, for two-dimensional imaging, range resolution and cross-range resolution are also mentioned in the paper.
频率步进雷达是一种距离高分辨率雷达，运动补偿是其实现距离高分辨的关键。
Frequency stepped radar is a high range resolution radar, and motion compensation is the key technique to realize high resolution of range.
频率步进雷达是一种距离高分辨率雷达，运动补偿是其实现距离高分辨的关键。
Frequency stepped radar is a high range resolution radar, and motion compensation is the key technique to realize high resolution of range.
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