{"title":"光谱干扰对相干分布式阵列高精度测距的影响","authors":"Serge R. Mghabghab, J. Nanzer","doi":"10.1109/USNC-URSI.2019.8861991","DOIUrl":null,"url":null,"abstract":"The effects of noise-like interference on spectrally-sparse, high-accuracy microwave ranging for coherent distributed antenna arrays are analyzed in this work. Coherent operation between separate nodes in distributed arrays is dependent on the level of accuracy in estimating the internode distances. Internode ranging accuracy is mainly affected by the waveform characteristics along with the signal-to-noise ratio (SNR), or the signal-to-interference-plus-noise ratio (SINR) in the case of added interference. In this work it is shown that the optimal bandwidth of the ranging waveform (a spectrally-sparse, two-tone signal) is dependent on the spectral shape of the interference.","PeriodicalId":383603,"journal":{"name":"2019 USNC-URSI Radio Science Meeting (Joint with AP-S Symposium)","volume":"22 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2019-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Effects of Spectral Interference on High-Accuracy Ranging in Coherent Distributed Arrays\",\"authors\":\"Serge R. Mghabghab, J. Nanzer\",\"doi\":\"10.1109/USNC-URSI.2019.8861991\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The effects of noise-like interference on spectrally-sparse, high-accuracy microwave ranging for coherent distributed antenna arrays are analyzed in this work. Coherent operation between separate nodes in distributed arrays is dependent on the level of accuracy in estimating the internode distances. Internode ranging accuracy is mainly affected by the waveform characteristics along with the signal-to-noise ratio (SNR), or the signal-to-interference-plus-noise ratio (SINR) in the case of added interference. In this work it is shown that the optimal bandwidth of the ranging waveform (a spectrally-sparse, two-tone signal) is dependent on the spectral shape of the interference.\",\"PeriodicalId\":383603,\"journal\":{\"name\":\"2019 USNC-URSI Radio Science Meeting (Joint with AP-S Symposium)\",\"volume\":\"22 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2019-07-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2019 USNC-URSI Radio Science Meeting (Joint with AP-S Symposium)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/USNC-URSI.2019.8861991\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2019 USNC-URSI Radio Science Meeting (Joint with AP-S Symposium)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/USNC-URSI.2019.8861991","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Effects of Spectral Interference on High-Accuracy Ranging in Coherent Distributed Arrays
The effects of noise-like interference on spectrally-sparse, high-accuracy microwave ranging for coherent distributed antenna arrays are analyzed in this work. Coherent operation between separate nodes in distributed arrays is dependent on the level of accuracy in estimating the internode distances. Internode ranging accuracy is mainly affected by the waveform characteristics along with the signal-to-noise ratio (SNR), or the signal-to-interference-plus-noise ratio (SINR) in the case of added interference. In this work it is shown that the optimal bandwidth of the ranging waveform (a spectrally-sparse, two-tone signal) is dependent on the spectral shape of the interference.
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