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2022 3rd China International SAR Symposium (CISS)最新文献

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Research on Sliding spotlight imaging algorithm 滑动聚焦成像算法研究
2022 3rd China International SAR Symposium (CISS) Pub Date : 2022-11-02 DOI: 10.1109/CISS57580.2022.9971246
Qiang Li, Lipeng Feng, Hui Wang, Shichao Zheng, Sili Wu, Zhiqiang Sun
{"title":"Research on Sliding spotlight imaging algorithm","authors":"Qiang Li, Lipeng Feng, Hui Wang, Shichao Zheng, Sili Wu, Zhiqiang Sun","doi":"10.1109/CISS57580.2022.9971246","DOIUrl":"https://doi.org/10.1109/CISS57580.2022.9971246","url":null,"abstract":"Based on the mathematical model of sliding spotlight SAR (Synthetic Aperture Radar), this paper proposes a sliding spotlight imaging processing algorithm based on ECS algorithm. The algorithm first uses Deramp processing to eliminate the azimuthal spectrum aliasing in gliding spotlight mode, and then uses extended CS processing and phase compensation to achieve accurate range compression processing, range migration correction, azimuthal phase compensation and azimuthal compression processing, so as to achieve unified imaging in the whole field. This paper presents the detailed derivation and implementation process of the whole algorithm based on the linear geometric model, and the computer simulation results verify the effectiveness of the algorithm.","PeriodicalId":331510,"journal":{"name":"2022 3rd China International SAR Symposium (CISS)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129554960","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
CISS 2022 Cover Page CISS 2022封面
2022 3rd China International SAR Symposium (CISS) Pub Date : 2022-11-02 DOI: 10.1109/ciss57580.2022.9971275
{"title":"CISS 2022 Cover Page","authors":"","doi":"10.1109/ciss57580.2022.9971275","DOIUrl":"https://doi.org/10.1109/ciss57580.2022.9971275","url":null,"abstract":"","PeriodicalId":331510,"journal":{"name":"2022 3rd China International SAR Symposium (CISS)","volume":"69 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129559902","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Space-borne millimeter wave SAR integration test method 星载毫米波SAR集成测试方法
2022 3rd China International SAR Symposium (CISS) Pub Date : 2022-11-02 DOI: 10.1109/CISS57580.2022.9971241
Zhaokai Pan, Shuo Wang, Zhiqiang Sun, Yue Pang, Hui Wang
{"title":"Space-borne millimeter wave SAR integration test method","authors":"Zhaokai Pan, Shuo Wang, Zhiqiang Sun, Yue Pang, Hui Wang","doi":"10.1109/CISS57580.2022.9971241","DOIUrl":"https://doi.org/10.1109/CISS57580.2022.9971241","url":null,"abstract":"With the development of millimeter wave technology, the application of millimeter wave SAR system is becoming more and more extensive. and the domestic millimeter wave SAR technology is becoming more and more mature. However, due to the higher frequency and shorter wavelength of the millimeter wavelength band, the test of the millimeter wave SAR system is more difficult. In this paper, the research on the SAR test method of millimeter wave band SAR is carried out for several key indicators of millimeter wave SAR system, which is used to analyze the time domain and frequency domain performance of millimeter wave SAR system. At the same time, for several important stages in the testing process, the study of key test items and test methods is carried out.","PeriodicalId":331510,"journal":{"name":"2022 3rd China International SAR Symposium (CISS)","volume":"04 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129192159","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A Global-to-Local Thresholding Method for Object Enhancement in SAR Images SAR图像目标增强的全局到局部阈值分割方法
2022 3rd China International SAR Symposium (CISS) Pub Date : 2022-11-02 DOI: 10.1109/CISS57580.2022.9971368
Yusong Bai, Jian Kang
{"title":"A Global-to-Local Thresholding Method for Object Enhancement in SAR Images","authors":"Yusong Bai, Jian Kang","doi":"10.1109/CISS57580.2022.9971368","DOIUrl":"https://doi.org/10.1109/CISS57580.2022.9971368","url":null,"abstract":"Speckle effect exhibited in Synthetic Aperture Radar (SAR) images significantly influences the interpretation performance of the follow-up tasks, such as object recognition. Although many contrast enhancement methods have been proposed for discriminating objects from the background, their performances often degrade in SAR images. To achieve better contrast between objects and the background, a global-to-local thresholding method is proposed for SAR object enhancement. Specifically, we first obtain two global thresholds for object segmentation based on entropy maximization and Ostu methods. Then, detailed object structures can be enhanced based on an adaptive local thresholding. After several iterations of the local processing, we can obtain the enhanced SAR objects with high contrast with respect to the background. Based on the experiments on real SAR images, the proposed method demonstrates better performance than other contrast enhancement algorithms.","PeriodicalId":331510,"journal":{"name":"2022 3rd China International SAR Symposium (CISS)","volume":"225 ","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120877955","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Optimal Design of Multiple Antennas Based on Maximum Rate and Antenna Selection Algorithm 基于最大速率和天线选择算法的多天线优化设计
2022 3rd China International SAR Symposium (CISS) Pub Date : 2022-11-02 DOI: 10.1109/CISS57580.2022.9971393
Jiongyuan Zhou, Jin Wang, Yunchi Shi, Yu Tian, Jie Chen
{"title":"Optimal Design of Multiple Antennas Based on Maximum Rate and Antenna Selection Algorithm","authors":"Jiongyuan Zhou, Jin Wang, Yunchi Shi, Yu Tian, Jie Chen","doi":"10.1109/CISS57580.2022.9971393","DOIUrl":"https://doi.org/10.1109/CISS57580.2022.9971393","url":null,"abstract":"Compared with conventional SAR, multi-antenna SAR has more system degrees of freedom, and has significant advantages in high-resolution wide swath imaging, moving target detection and interference suppression. In order to improve the analysis bandwidth of multi-antenna SAR system, a joint optimization algorithm of multi-antenna SAR system based on bandwidth maximization and antenna selection is proposed. The analytical bandwidth maximization model is built under the RS constraint, using the Rayleigh-Ritz theorem to find the optimal amplification factor after some relaxation. The amplification factor and the antenna selection sequence are processed by the method of separating two variables in turn, and the analytical solution is deduced according to the optimization theorem to find the optimal antenna selection sequence. The simulation results show that, compared with the traditional algorithm, the proposed algorithm can significantly improve the analysis bandwidth and bit error rate of the system in the multi-antenna SAR system.","PeriodicalId":331510,"journal":{"name":"2022 3rd China International SAR Symposium (CISS)","volume":"39 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121465778","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Research on Image Registration of Different Wavebands Based on SIFT Algorithm 基于SIFT算法的不同波段图像配准研究
2022 3rd China International SAR Symposium (CISS) Pub Date : 2022-11-02 DOI: 10.1109/CISS57580.2022.9971248
Yuehan Gu, Hui Wang, Yuxuan Bie, Rui Yang, Yujia Li
{"title":"Research on Image Registration of Different Wavebands Based on SIFT Algorithm","authors":"Yuehan Gu, Hui Wang, Yuxuan Bie, Rui Yang, Yujia Li","doi":"10.1109/CISS57580.2022.9971248","DOIUrl":"https://doi.org/10.1109/CISS57580.2022.9971248","url":null,"abstract":"With the continuous development of space industry, the types of remote sensing data obtained are increasing. Image registration is widely studied as a key step in image applications. However, the research of existing image registration methods focuses on the same band and the same data source, and there are relatively few studies on different data sources for different bands and different angles. For the images of different wavebands obtained by different types of sensors in the same scene, this paper uses the existing SAR images and optical images of different wavebands to register the different source images based on SIFT algorithm. Experimental results show that the algorithm has a good effect in the registration work between different source images.","PeriodicalId":331510,"journal":{"name":"2022 3rd China International SAR Symposium (CISS)","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126291527","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Attribute Scattering Center Extracting Method Based on Time-Frequency Representations 基于时频表示的属性散射中心提取方法
2022 3rd China International SAR Symposium (CISS) Pub Date : 2022-11-02 DOI: 10.1109/CISS57580.2022.9971172
Lu Tongtong, He Xinyi, Wang Shuang, Shi Guochang, Xie Bing, Zhang Runjun, Jing Haitao
{"title":"Attribute Scattering Center Extracting Method Based on Time-Frequency Representations","authors":"Lu Tongtong, He Xinyi, Wang Shuang, Shi Guochang, Xie Bing, Zhang Runjun, Jing Haitao","doi":"10.1109/CISS57580.2022.9971172","DOIUrl":"https://doi.org/10.1109/CISS57580.2022.9971172","url":null,"abstract":"This article presents a new approach to extract attribute scattering center (ASC) of radar model, which can extract ASC with only single frequency sweep angle RCS data. In order to analyze Doppler frequency characteristics in time-frequency representations (TFR), we use smooth pseudo Wigner Ville distribution(SPWVD) to analyze local scattering center (LSC) and distribute scattering center (DSC). Inverse Radon transform (IRT) is used to estimate parameters in LSC model, and DSC parameters are directly calculated from TFR, and the scatter center results are compared with target model in a figure, and RCS is rebuilt with ASC model, which show this method can extract scattering center in a effectively and accurate way.","PeriodicalId":331510,"journal":{"name":"2022 3rd China International SAR Symposium (CISS)","volume":"146 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132015966","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Radar signal recognition based on deep convolutional neural network in complex electromagnetic environment 复杂电磁环境下基于深度卷积神经网络的雷达信号识别
2022 3rd China International SAR Symposium (CISS) Pub Date : 2022-11-02 DOI: 10.1109/CISS57580.2022.9971410
Zhang Qi, Yewei Chen, Yuan Liu, Anqi Xu, Li Li, Jianpu Li
{"title":"Radar signal recognition based on deep convolutional neural network in complex electromagnetic environment","authors":"Zhang Qi, Yewei Chen, Yuan Liu, Anqi Xu, Li Li, Jianpu Li","doi":"10.1109/CISS57580.2022.9971410","DOIUrl":"https://doi.org/10.1109/CISS57580.2022.9971410","url":null,"abstract":"To solve the problem that tradition signal recognition algorithms cannot effectively recognize the contaminated and diverse radar signals in complex and variable Electronic Warfare (EW) environment, a new recognition method based on deep convolutional neural network (CNN) and time-frequency (TF) analysis is proposed. Firstly, the TF images of radar signals are extracted as the inputs to the CNN model. Then, a new network, called CNN-TF, is constructed to analyze these time-frequency images and use the robustness of CNN to suppress the noise interference. Thirdly, a complete and diverse signal librai7 is constructed based on the complex EW environment, and the librai7 is used to train and test CNN-TF. Finally, trained CNN-TF will be used for signal recognition. Simulation results show that the proposed algorithm not only improves the performance of signal recognition, but also has excellent anti-noise performance, which makes the proposed algorithm adapt to the complex and variable electronic warfare environment.","PeriodicalId":331510,"journal":{"name":"2022 3rd China International SAR Symposium (CISS)","volume":"51 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131480410","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Thermal Design and Welding Process of a Radar Double-sided Module 雷达双面模块的热设计与焊接工艺
2022 3rd China International SAR Symposium (CISS) Pub Date : 2022-11-02 DOI: 10.1109/CISS57580.2022.9971174
Xiaojing Fan, Yong Zhao, Yabin Li, Na Wang, Hongying Zhang
{"title":"Thermal Design and Welding Process of a Radar Double-sided Module","authors":"Xiaojing Fan, Yong Zhao, Yabin Li, Na Wang, Hongying Zhang","doi":"10.1109/CISS57580.2022.9971174","DOIUrl":"https://doi.org/10.1109/CISS57580.2022.9971174","url":null,"abstract":"In order to ensure the safety and stability of the operation of a radar double-sided module and prevent the high-power devices in the module from overheating during operation, a thermal design scheme is proposed for the design of structural parts, the distribution of high-power devices and the cooling structure. The technical difficulties of microwave dielectric substrate welding of double-sided modules are analyzed, and the integrated welding process is adopted to realize the welding of double-sided modules dielectric boards, which improves the soldering area ratio of the dielectric boards and reduces the thermal resistance of the components. The temperature field simulation and analysis are carried out through ANSYS Workbench thermal simulation software, which verifies the rationality of thermal design. The result, the reliability of the assembly is ensured by thermal design and the design of the microwave dielectric substrate welding process.","PeriodicalId":331510,"journal":{"name":"2022 3rd China International SAR Symposium (CISS)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130832568","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Research on Radar/AIS Combined Surveillance Technology 雷达/AIS联合监视技术研究
2022 3rd China International SAR Symposium (CISS) Pub Date : 2022-11-02 DOI: 10.1109/CISS57580.2022.9971303
Yewei Chen, Jianpu Li, Wen Jiang, Baoan Zhu, Gang Fang
{"title":"Research on Radar/AIS Combined Surveillance Technology","authors":"Yewei Chen, Jianpu Li, Wen Jiang, Baoan Zhu, Gang Fang","doi":"10.1109/CISS57580.2022.9971303","DOIUrl":"https://doi.org/10.1109/CISS57580.2022.9971303","url":null,"abstract":"Aiming at the problems of low azimuth resolution, miss detection of close-range multi-targets and vulnerable to adverse sea conditions of airborne maritime surveillance radar, the radar/AIS combined surveillance technology is proposed. Through the target track fusion processing of airborne maritime surveillance radar and automatic identification system (AIS), the detection defects of air-based radar are compensated, and the surveillance system is more stable in adverse sea conditions, so as to achieve the complementary performance advantages between the two sensors. Simulation results show that the proposed technology not only helps to identify military or civilian targets, but also improves the target tracking accuracy and reliability of the surveillance system, which makes the proposed technology of great research significance.","PeriodicalId":331510,"journal":{"name":"2022 3rd China International SAR Symposium (CISS)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130858428","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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