{"title":"使用频谱反滤波器的二进制码脉冲压缩及其特性","authors":"H. Takase, M. Shinriki","doi":"10.23919/IRS.2017.8008242","DOIUrl":null,"url":null,"abstract":"Mismatched processing of codes with multi-range resolution is revisited. The inverse of a binary code's spectrum is used as the transfer function of the mismatched filter. We calculate the mismatch losses for all combinations of binary codes in the range of code length L≤25 and find codes with very small mismatch loss compared with those of the conventional codes. The Doppler characteristics for various output pulse widths and relations between band-limitation of a receiver and SIF output waveforms are clarified by simulations. We also discuss how a desired signal waveform depends on mismatch loss.","PeriodicalId":430241,"journal":{"name":"2017 18th International Radar Symposium (IRS)","volume":"86 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2017-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":"{\"title\":\"Pulse compression for binary codes using spectrum inverse filters and their properties\",\"authors\":\"H. Takase, M. Shinriki\",\"doi\":\"10.23919/IRS.2017.8008242\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Mismatched processing of codes with multi-range resolution is revisited. The inverse of a binary code's spectrum is used as the transfer function of the mismatched filter. We calculate the mismatch losses for all combinations of binary codes in the range of code length L≤25 and find codes with very small mismatch loss compared with those of the conventional codes. The Doppler characteristics for various output pulse widths and relations between band-limitation of a receiver and SIF output waveforms are clarified by simulations. We also discuss how a desired signal waveform depends on mismatch loss.\",\"PeriodicalId\":430241,\"journal\":{\"name\":\"2017 18th International Radar Symposium (IRS)\",\"volume\":\"86 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2017-06-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2017 18th International Radar Symposium (IRS)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.23919/IRS.2017.8008242\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2017 18th International Radar Symposium (IRS)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.23919/IRS.2017.8008242","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Pulse compression for binary codes using spectrum inverse filters and their properties
Mismatched processing of codes with multi-range resolution is revisited. The inverse of a binary code's spectrum is used as the transfer function of the mismatched filter. We calculate the mismatch losses for all combinations of binary codes in the range of code length L≤25 and find codes with very small mismatch loss compared with those of the conventional codes. The Doppler characteristics for various output pulse widths and relations between band-limitation of a receiver and SIF output waveforms are clarified by simulations. We also discuss how a desired signal waveform depends on mismatch loss.
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