{"title":"旋转叶片的两点模型","authors":"S. V. Zhitnik, M. Stepanov","doi":"10.17212/1727-2769-2022-3-31-41","DOIUrl":null,"url":null,"abstract":"In this paper, the angular noises of the rotating blades of a radar object are considered. A multipoint geometric model of rotating blades of a single propeller is considered. On its basis, analytical expressions are obtained that make it possible to calculate the angular coordinates of the apparent center of radiation of a propeller with rotating blades. Also, on the basis of a multi-point geometric model, relations were obtained that make it possible to synthesize a two-point geometric model of rotating propeller blades. Theoretical results are confirmed by mathematical mode¬ling for two configurations of a single-rotor small-sized aircraft: with one rotating blade and with two rotating blades.","PeriodicalId":448354,"journal":{"name":"Proceedings of the Russian higher school Academy of sciences","volume":"67 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2022-09-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Two-point model of rotating blades\",\"authors\":\"S. V. Zhitnik, M. Stepanov\",\"doi\":\"10.17212/1727-2769-2022-3-31-41\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"In this paper, the angular noises of the rotating blades of a radar object are considered. A multipoint geometric model of rotating blades of a single propeller is considered. On its basis, analytical expressions are obtained that make it possible to calculate the angular coordinates of the apparent center of radiation of a propeller with rotating blades. Also, on the basis of a multi-point geometric model, relations were obtained that make it possible to synthesize a two-point geometric model of rotating propeller blades. Theoretical results are confirmed by mathematical mode¬ling for two configurations of a single-rotor small-sized aircraft: with one rotating blade and with two rotating blades.\",\"PeriodicalId\":448354,\"journal\":{\"name\":\"Proceedings of the Russian higher school Academy of sciences\",\"volume\":\"67 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2022-09-29\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Proceedings of the Russian higher school Academy of sciences\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.17212/1727-2769-2022-3-31-41\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings of the Russian higher school Academy of sciences","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.17212/1727-2769-2022-3-31-41","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
In this paper, the angular noises of the rotating blades of a radar object are considered. A multipoint geometric model of rotating blades of a single propeller is considered. On its basis, analytical expressions are obtained that make it possible to calculate the angular coordinates of the apparent center of radiation of a propeller with rotating blades. Also, on the basis of a multi-point geometric model, relations were obtained that make it possible to synthesize a two-point geometric model of rotating propeller blades. Theoretical results are confirmed by mathematical mode¬ling for two configurations of a single-rotor small-sized aircraft: with one rotating blade and with two rotating blades.
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