利用最大熵谱估计的方法对四种飞机目标数据进行外推处理，并在此基础上进行逆合成孔径成像。
The maximum entropy method is adopted to extrapolate data, and ISAR image is obtained based on this.
简要说明了干涉仪合成孔径声纳基本原理和信号处理过程：合成孔径成像、干涉图获取与处理和相位解卷。
InSAS basic principle and signal processing including SAS imaging, interferogram acquisition and processing, phase unwrapping are simply introduced.
合成孔径成像是提高图像方位向分辨率的有效方法，但算法运算量大，在机载条件下往往实时性得不到保证。
The focused synthetic aperture imaging processing is the available method to improve the azimuth resolution, but the operational quantity is so large that it could not accomplish in real time.
合成孔径成像算法是合成孔径雷达技术中的关键技术之一，距离多普勒算法是成像算法中最经典最常用的算法。
The synthetic aperture imaging algorithm is one of the key of the synthetic aperture radar technique, and the range-doppler algorithm is the most classical and common algorithm.
合成孔径成像系统在获得高截止频率的同时，降低了系统的中频性能，并且合成孔径成像系统的信息获取在方向上具有可选择性。
The cut-off spatial frequency is got higher at the cost of the loss of mid-spatial frequency, and the information got by the system are different in all directions.
在合成孔径雷达成像处理中，一般采用多视处理来消除纹斑噪声。
For imaging processing of synthetic aperture radar, speckles usually are removed with multi-look processing.
然后建立了合成孔径雷达的系统模型，介绍了原始回波的模拟方法和R - D成像算法。
And then it introduces synthetic aperture radar system model, the original echo of the simulation methods and R-D imaging algorithm.
合成孔径声呐成像中，主要通过自聚焦校正剩余相位误差。
In synthetic aperture sonar imaging, the residual phase error is mainly corrected via autofocus.
研究这种尾迹特征及其合成孔径雷达(SAR)成像，就有可能利用SAR来检测这个水下运动物体。
It is probably using Synthetic Aperture Radar (SAR) to detect submerged moving body through studying these wake features and its imaging by SAR.
逆合成孔径雷达（ISAR）转台成像中散射点越距离单元徙动（MTRC）时有发生。
Migration though resolution cell(MTRC) of scatters often occurs in inverse synthetic aperture radar(ISAR) imaging.
文章研究了机载合成孔径雷达(SAR)在大斜视角下的成像算法，并分析了算法的成像性能。
This paper studies image algorithms and analyses imaging quality of air-borne Synthetic Aperture Radar (SAR) in large squint mode.
有效的射频干扰(RFI)抑制技术是超宽带合成孔径雷达(uwb - SAR)成像质量的重要保证。
Radio Frequency Interference (RFI) plays an important role on the quality of Ultra-Wide Band Synthetic Aperture Radar (UWB-SAR) imaging.
其次，对合成孔径微波辐射成像的三项关键技术进行了深入研究。
In the second place, three kinds of key technology of synthetic aperture microwave radiometric imaging are further studied.
运动补偿是逆合成孔径雷达成像的关键。
Motion compensation is a key step for inverse synthetic aperture radar (ISAR) imaging.
运动补偿是合成孔径声纳（SAS）成像的关键问题，SAS系统一般利用多接收元回波信号的互相关特性进行运动补偿。
Movement compensation is the key technique in synthetic aperture sonar(SAS) imaging, and it is normally realized in SAS system by the cross correlation of the raw echo data of multiple-receiver.
非合作的机动多目标相对于雷达射线的姿态是时变的，而且目标间可能存在相对运动，给逆合成孔径雷达(ISAR)成像造成较大困难。
Inverse synthetic aperture radar (ISAR) imaging of non-cooperative maneuvering multi-target is a challenging task due to its time-varying orientation and the relative motion among targets.
理想情况下，SAR回波多普勒信号是线性调频信号，采用合成孔径原理提高方位向成像分辨率。
In ideal circumstances, the back scattered echo signal of SAR is chirp signal. With synthetic aperture theory, high azimuth resolution imaging to distant targets can be attained.
该文针对正侧视合成孔径雷达工作体制下运动目标成像、定位问题进行研究。
This paper addresses the research of ground moving target imaging and positioning in Synthetic Aperture Radar (SAR) system.
合成孔径雷达（SAR）成像具有数据量巨大、算法比较复杂等特点。
Synthetic aperture radar(SAR)image has some common features such as huge data volume, relative complex algorithm.
本文提出一种星载合成孔径雷达(SAR)成像处理方法。
A method is proposed to perform the spaceborne Synthetic Aperture Radar (SAR) image processing.
本文主要根据机载合成孔径雷达实测数据进行多普勒参数估计和成像算法的研究。
This paper mainly investigated the estimation methods of doppler parameters and the imaging algorithms of airborne stripe SAR.
该文讨论了在合成孔径雷达实时成像处理器中，采用子孔径带通滤波成像处理方法的方位预处理的设计，构造了一种用大规模可编程逻辑器件实现方位预处理的电路结构。
This paper describes the design and realization of the azimuth preprocess in the real-time imaging processor of SAR with programmable logic device by the method of sub-aperture using band-pass filter.
运用计算机技术，对合成孔径聚焦超声成像系统进行了仿真，同时，给出了仿真结果。
In this paper, computer technology is used to simulate an ultrasonic imaging system of synthetic aperture focusing. According to computer simulating technology, the simulated results are derived.
逆合成孔径雷达成像中平动补偿可以分为两步进行，即平动粗补偿（包络对齐）和平动精补偿（自聚焦） 。
The motion compensation of Inverse synthetic aperture radar (ISAR) target can be decomposed into two steps: first the envelope alignment and then the autofocusing.
在干涉合成孔径声纳成像系统研究中，声纳信号采集与处理是该领域的主要研究内容。
Signal acquisition and processing are major research contents in the field of Interferometric Synthetic Aperture Sonar(InSAS).
高时效性和大数据量是合成孔径雷达(SAR)实时成像处理系统的两个主要问题。
The data volume and the high real-time are the two vital problems of Synthetic Aperture Radar (SAR) real-time imaging system.
合成孔径雷达成像技术作为一种新的雷达成像技术，现已广泛应用于军事和国民经济的许多领域中。
As a new imaging technology, Synthetic Aperture Radar (SAR) imaging technology has evolved to satisfy a variety of application for both civilian and military users.
提出了一种实现合成孔径雷达(SAR)成像处理的并行算法。
An efficient parallel algorithm for synthetic aperture radar (SAR) imaging is presented in this paper.
干涉相位图的降噪滤波，是干涉合成孔径雷达成像中必须的步骤之一。
Noise filtering for interferometric phase image, is one of key problems in InSAR imaging.
逆合成孔径雷达(ISAR)重点论述用固定雷达对活动目标成像，例如对飞机成像或对船成像等。
Inverse Synthetic Aperture Radars (ISAR) is mainly to describe fixed radar imaging moving targets such as airplane and ship.
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