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- SSARES is a very effective test approach for Spaceborne SAR. SSARES为星载SAR系统的研制提供了一种行之有效的测试手段。
- High resolution spaceborne SAR gives new challenge to radiometric calibration. 高分辨率星载SAR技术的发展,对辐射定标提出了新的挑战。
- The responsive deception for spaceborne SAR is studied and improved. 分析了对星载SAR的应答式欺骗干扰,并对其进行了改进。
- Secondly, the relation between high resolution spaceborne SAR radiometric calibration and SMP is discussed. 其次,讨论了高分辨率星载SAR辐射定标与卫星运动参数的关联技术。
- Finally, an example of three-channel DPCM Spaceborne SAR is presented for varify-ing the method. 并以三波束星载SAR为例,通过仿真实例验证了该方法的有效性。
- External calibration is key method used for spaceborne SAR antenna onboard measurement. 天线外定标是实现星载SAR天线方向图在轨测试的主要手段。
- Method is developed for speckle reduction of high resolution one-look spaceborne SAR images in this paper. 提出了实现高分辨率星载SAR单视图像斑点噪声抑制的广义形态滤波法。
- To meet the demand of Spaceborne SAR system development, IECAS has developed SSARES that is used for SAR ground test. 摘要结合我国星载SAR系统的研制,中国科学院电子所成功研制出地面测试用的高精度星载合成孔径雷达目标回波信号模拟源(SSARES)。
- Caro E R. SIR-C The next generation spaceborne SAR, The Second Spaceborne Imaging Radar Symposium, April 1986, JPL. 张安安.;合成孔径雷达数据压缩方法的研究:[硕士学位论文]
- The computer simulation results of a L-band spaceborne SAR was proposed, by which the conclusion was validated. 基于L波段星载SAR天线进行了计算机仿真,验证了分析方法的正确性。
- We compare the detection performance of ground moving target of the ATI and DPCA technique for the new model of distributed spaceborne SAR in detail. 分析比较了DPCA与ATI两种动目标检测方法。 通过仿真,详细分析比较了不同噪声、杂波干扰条件下DPCA与ATI方法的动目标检测性能。
- Analyses of azimuth resolution,range migration,and factors of seleting pulse repetition frequency in spaceborne SAR are presented. 本文详细分析了高分辨率星载SAR的方位分辨率、距离徙动效应以及影响脉冲重复频率选择的因素。
- The simulation results indicate that spaceborne SAR bring forward more rigorous requirement to SMP with the increasing of resolution. 仿真结果表明,随着分辨率的提高,星载SAR对于卫星运动参数的精度提出了更严格的要求。
- Abstract: Analyses of azimuth resolution,range migration,and factors of seleting pulse repetition frequency in spaceborne SAR are presented. 文摘:本文详细分析了高分辨率星载SAR的方位分辨率、距离徙动效应以及影响脉冲重复频率选择的因素。
- For spaceborne SAR system with large squint angle, the main error source of classical range| Doppler algorithm is analyzed which causes the loss in image quality. 分析了当天线斜视角增大时,导致传统距离-普勒成像算法性能下降的主要误差来源。
- Accurate measurement of antenna pattern is important to spaceborne SAR image application, and distributed target antenna pattern measurement is widely concerned. 天线方向图的准确测量,对星载SAR图像的应用具有重要作用。 分布目标辐射定标在星载SAR天线方向图测试中受到广泛重视。
- On the basis of airborne SAR/GMTI, an algorithm of spaceborne SAR moving target detection, radial velocity estimation and relocation based on DPCA technique is presented. 在此基础上,给出了一种基于DPCA技术的星载SAR动目标检测、测速及目标定位的实现方法。
- The responsive deception for spaceborne SAR is studied and improved.The algorithm is got by analyzing the range domain and cross-range domain respectively. 摘要分析了对星载SAR的应答式欺骗干扰,并对其进行了改进。
- It is significantly meaningful to study the relation between high resolution spaceborne SAR radiometric calibration and Satellite Motion Parameters (SMP). 研究高分辨率星载SAR的辐射定标与卫星运动参数的关联技术,将具有十分重要的意义。
- Based on the limitation of formation of parasitic spaceborne SAR system,this paper studies application of coarray in anti-jamming technique for ultra sparse arrays. 针对寄生式星载SAR系统抗干扰时编队构形的限制,研究了优化阵列在超稀疏构形抗干扰中的应用。