SAR synthetic aperture radar

SAR ( Synthetic aperture radar, SAR) raw signal simulation is significant for SAR system test and development of signal processing algorithms.

合成孔径雷达（synthetic Aperture Radar，SAR）原始信号仿真对于SAR系统调试，SAR信号处理算法的研究具有重要意义。

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Secondly, according to the inherent characteristics of remote sensing images, two pertinent algorithms are proposed, one is the region-based remote sensing image fusion method, the other is the image fusion of SAR ( Synthetic Aperture Radar) and optical image based on complementary information characteristics.

其次深入研究了遥感图像的内在特征，提出了具有融合针对性的基于区域分割的图像融合算法和基于互补信息特征的图像融合算法；

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With the deep research of the polarimetric SAR ( Synthetic Aperture Radar) image classification, many supervised and unsupervised classification methods have been proposed one after another in recent years.

随着对极化SAR（synthetic Aperture Radar）图像分类研究的深入，近年来许多监督和非监督分类方法被相继提出。

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In general, Doppler parameters are the main reason that leads to degrading of the SAR ( Synthetic Aperture Radar) imaging quality.

在通常情况下，多普勒参数是影响SAR成像质量的主要因素。

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In the template-based SAR ( synthetic aperture radar) target recognition, a key problem is how to ( segment) a target image from a noisy SAR image to form a high quality target template.

在基于模板匹配的合成孔径雷达（synthetic Aperture Radar，SAR）目标识别中，一个关键问题就是如何从带有杂波的SAR图像中将目标正确分割出来，以便形成高质量的模板。

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The purpose of reconnaissance and tracking of SAR ( synthetic aperture radar) side lobe is to provide SAR overhead prewarning for ground SAR jamming system and to steer ground interference antenna aiming at SAR, so as to enhance the effectiveness of jamming system.

对合成孔径雷达（synthetic Aperture Radar，SAR）卫星旁瓣侦察和跟踪的目的是：为地面对SAR的干扰系统提供SAR卫星过顶的预警，引导地面干扰天线对准SAR卫星，提高干扰系统的效能。

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A new method of reducing speckle noise for SAR ( synthetic aperture radar) image is proposed, which combines wavelet transform and adaptive Wiener filter based SAR image scene heterogeneity. It can better preserve clutter edge and point target.

基于SAR（合成孔径雷达）图像杂波结构，结合小波变换和自适应维纳滤波提出了一种新的抑制SAR图像相干斑噪声方法，该方法能够较好保留杂波边缘和点目标。

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With the development of SAR ( synthetic aperture radar) technology, a large amount of images are made by space-borne and airborne SAR, it's important to use ATR technology in SAR images analysis and advance the level of target recognition of high-resolution radar.

合成孔径雷达（SAR）技术不断发展，星载与机载SAR成像数量极大，在SAR图像分析中应用ATR技术，加强对高分辨率雷达图像目标的识别分类具有重要价值。

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Traditional airborne SAR ( Synthetic Aperture Radar) makes use of the GPS/ INS to compensate the platform motion error to acquire high resolution images.

传统的机载合成孔径雷达（SAR）一般依赖于GPS/INS组合系统补偿平台的运动误差，并获得高分辨率的图像。

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Speckle reduction is the primary problem of SAR ( Synthetic Aperture Radar) and polarimetric SAR imagery post-processing.

相干斑抑制是合成孔径雷达（SAR）图像和极化SAR图像后处理的首要问题。

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This paper discusses a method of simulating the SAR ( Synthetic Aperture Radar) image of the object through experiments in microwave anechoic chamber with ISAR ( Inverse Synthetic Aperture Radar) technology and the contract model of the object, some SAR images are presented in the paper.

利用目标的缩比模型，通过微波暗室实验，用ISAR（逆合成孔径雷达）方法来模拟目标的SAR（星载合成孔径雷达）图像，并给出目标的成像结果。

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The present method in China for detecting ground moving target with single antenna single channel short range SAR ( Synthetic Aperture Radar) is just beginning.

探讨了单天线单通道近程合成孔径雷达（SAR）中的地面运动目标检测问题。

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Imaging of Airborne bistatic SAR ( synthetic aperture radar) which requires a two-dimensional space-variant correlation is like that of monostatic SAR.

机载双基地SAR（synthetic Aperture Radar）的成像算法与单基地类似，需要做空间变化的二维相关处理。

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Compared with the single polarized SAR ( synthetic aperture radar), polarimetric SAR ( Pol-SAR) includes more information of targets and polarimetric, which is one of the important technology of remote sensing applications.

极化合成孔径雷达（Pol-SAR）比单极化SAR包含了更多的目标信息和极化信息，已成为遥感应用的重要技术。

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SAR ( Synthetic Aperture Radar) is one of the important sensors of microwave remote sensing, and it is used in many fields of ocean researches.

SAR是微波遥感重要的传感器之一，在海洋科研的许多领域都得到了应用。

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As an important remote sensing technique, the SAR ( Synthetic Aperture Radar) system is featured by all-time and all-weather capability and high-quality image, which has found wide applications in both military and civilian systems.

作为一种重要的微波遥感技术，合成孔径雷达（SAR）技术凭借其全天候、全天时的工作特点和高分辨率的成像质量，已在军事和民用领域取得了广泛的应用。

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Doppler parameters estimation and raw signal simulation for SAR ( synthetic aperture radar) have attracted much attention in SAR technical field. The former is necessary for SAR high-quality image formation, while the latter for SAR technical study and system development.

多普勒参数估计和原始信号仿真在合成孔径雷达（synthetic Aperture Radar，SAR）技术领域广受关注，前者是SAR高质量成像的保证，后者是SAR技术研究、系统研制的必要手段。

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SAR ( Synthetic Aperture Radar) images get the rapid development and wide application because they can be obtained any-time, any-weather and with high resolution.

合成孔径雷达（synthetic Aperture Radar，SAR）图像由于其全天侯、全天时、分辨率高等优点，在军事和民用领域中都得到了应用。

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Regularization technique could enhance SAR ( Synthetic Aperture Radar) image by imposing prior information.

正则化方法通过增加先验信息约束，达到增强SAR图像特征的目的。

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SAR ( Synthetic Aperture Radar) is one of the most important orientations of modern radar technology development.

合成孔径雷达（SAR：synthetic Aperture Radar）是现代雷达技术的重要发展方向之一。

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Due to fast advancement of SAR ( Synthetic Aperture Radar) imagery technology, information theory of fully polarimetric scattering and applications in polarimetric SAR remote sensing are developed.

在遥感机制与信息理论上，以合成孔径雷达（SAR）研究为背景，发展全极化散射与SAR成像信息理论；

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A new solution of the shadow and target detection for high-resolution SAR ( synthetic aperture radar) images is presented in this paper.

提出了一种进行高分辨率SAR（synthetic Aperture Radar）图像阴影和目标检测的新思路。

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Signals in the distributed satellites SAR ( synthetic aperture radar) for the high resolution imaging are to be correlated and baseline is found to be an important factor to correlation through the analysis.

通过分析高分辨率成像与相关性之间关系问题得到：分布式合成孔径雷达（synthetic Aperture Radar，SAR）系统高分辨率成像的信号必须相关。

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It is a new tendency of SAR ( Synthetic Aperture Radar) to adopt ultra wideband signals to obtain high resolution.

采用超宽带信号实现高分辨率是综合孔径雷达的最新发展趋势。

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SAR ( Synthetic Aperture Radar) image simulation has been widely applied in designing and testifying SAR system, SAR image ortho-correction, Radar image interpretation and target recognition and so on.

SAR图像模拟技术被广泛应用于SAR系统的设计和验证、SAR图像的正射纠正、雷达图像解译和目标识别等。

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With the 2-dimension compression in range and azimuth, SAR ( Synthetic Aperture Radar) has a very high resolution and anti-jamming ability.

合成孔径雷达（SAR）采用距离和方位的二维压缩成像技术，具有很高的分辨力，而且具有较强的抗干扰能力。

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A practical use of the proposed approach is to register a SAR ( synthetic aperture Radar) image of certain region with maps.

该方法的一个实际应用在于，将某一个地区的合成孔径雷达（synthetic Aperture Radar，简称SAR）图像与地图相匹配。

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To investigate the validity of novel features in SAR ATR ( synthetic aperture radar automatic target recognition) scheme, a method based on the target's contour feature is proposed here, which fully exploits the information contained in the local spatial structure of the specific target.

提出了一种基于目标轮廓特征的合成孔径雷达目标识别（SAR ATR）方法，该方法充分利用目标的局部空间结构信息进行识别。

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In this paper, retrieval of ocean surface wind field from SAR ( synthetic aperture radar) images has been researched.

本文对SAR（合成孔径雷达）海面风场反演进行了研究。

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Based on analyses of the shortcoming of traditional series design method, it discussed the necessity and feasibility of the application of parallel method in structure collectivity design of SAR ( Synthetic Aperture Radar).

在分析传统串行设计方法缺点的基础上，探讨了合成孔径雷达（SAR）结构总体设计中运用并行工程方法的必要性和可行性。

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