{"title":"具有理想振幅和任意规定相位的滤波器的设计","authors":"S. A. Mohammed","doi":"10.1109/MWSYM.1981.1129870","DOIUrl":null,"url":null,"abstract":"The transfer function of a lowpass non-minimum-phase network with characteristics approximating a constant passband amplitude and any prescribed phase can be expressed in a closed form. This procedure can be used to approximate pre-distorted lowpass characteristics such that application of non-linear frequency transformation produces the desired bandpass ones. Network synthesis leads to a lowpass cross-coupled structure with diagonal cross-couplings. The method is used to design a six-cavity waveguide filter with linear phase characteristic.","PeriodicalId":120372,"journal":{"name":"1981 IEEE MTT-S International Microwave Symposium Digest","volume":"29 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1981-06-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":"{\"title\":\"Design of Filters with Ideal Amplitude and Any Prescribed Phase\",\"authors\":\"S. A. Mohammed\",\"doi\":\"10.1109/MWSYM.1981.1129870\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The transfer function of a lowpass non-minimum-phase network with characteristics approximating a constant passband amplitude and any prescribed phase can be expressed in a closed form. This procedure can be used to approximate pre-distorted lowpass characteristics such that application of non-linear frequency transformation produces the desired bandpass ones. Network synthesis leads to a lowpass cross-coupled structure with diagonal cross-couplings. The method is used to design a six-cavity waveguide filter with linear phase characteristic.\",\"PeriodicalId\":120372,\"journal\":{\"name\":\"1981 IEEE MTT-S International Microwave Symposium Digest\",\"volume\":\"29 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1981-06-15\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"1981 IEEE MTT-S International Microwave Symposium Digest\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/MWSYM.1981.1129870\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"1981 IEEE MTT-S International Microwave Symposium Digest","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/MWSYM.1981.1129870","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Design of Filters with Ideal Amplitude and Any Prescribed Phase
The transfer function of a lowpass non-minimum-phase network with characteristics approximating a constant passband amplitude and any prescribed phase can be expressed in a closed form. This procedure can be used to approximate pre-distorted lowpass characteristics such that application of non-linear frequency transformation produces the desired bandpass ones. Network synthesis leads to a lowpass cross-coupled structure with diagonal cross-couplings. The method is used to design a six-cavity waveguide filter with linear phase characteristic.
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