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1、软件无线电接收机中数字正交变换的研究与DSP实现2008???u27?+SCIENCE&TECHNOLOGYINFORMATION?H???C???????C??AMA(n)cos!0A(n)sin!0FMA0cos[kBFm(n)+!0]A0sin[kBFm(n)+!0]DSBm(n)0SSBm(n)m"(n)?????????j???b?v?l???????????????A???LDSP?????6??1????1?c????1(???/???C???h???s?????T?????A???+1?+??????
2、??210007)wY????wF?u?????????????j???k???????C?????????????????????G,???E?????????????C??,?s???C??w2?????????p?e??????????????????,?????eDSP??????????????????????w0???s?????????????????????j???b?v???eDSP???????????????????????hw0wY???t??wF?????????j;????????????;DSP
3、TheresearchofnumeralorthogonaltransformationinsoftwareradioandDSPrealizationCHENTao1HUBin1liuxigu1(PostgraduateTeam1ICE,PLAUST,Nanjing210007,China)wYAbstractwFthisarticleanalyzedthemathexpressionoftherealsignalfromthesoftwareradio.Inthearticle,therewereseveralnumer
4、alsorthogonaltransformationshadbeenshowedwithorthogonaltransformationtheory.AndthenumeralsorthogonaltransformationshadbeenrealizedwithDSP.Atlastwerealizedthatthenumeralsorthogonaltransformationswasrightatreceiverofthesoftwareradio,whichwascompletedwithDSP.wYKeyword
5、swFsoftwareradio;numeralorthogonaltransformation;DSP0.?(???????????j???????g?dJeoMitola?e1992?????D?L????????,???l???k?????????a???N???/?hw2?I???nw2?D???n???s?e????????,?C?7??????,??????????w2?8?b???8????w2?????J?Gw2?????D??w2?s???????X?e???????Y,?????;??A/D??D/A??
6、?????9???????????r??,???A?b?????N???????K?hw2???/?h?????????????s??????w0???=?s?????g?????+????,?8?b???G?????????s,?????????8?????????_???sw0?p?????????g?????8?b???8?????????????????j??,?????b?v???????s???8?b???G?????????????????????????O?Q??,?5?g???e?????????j????
7、???????????????d?????w?p???????l???e?O?H???????6??w0?????????j?????N???v?????K?h?????v?????/?h??????,?s???Y?v?a???s???-?????a?????j???g?????????Fw0?u???g?e?A???????????j???b?v?????=?&?C???????b???????????????G,?????E?????????????????????????0?EDSP?7?C???6,???s?
8、????+?????????????????????j???b?v?l???e?????????????????????hw0?????C?v???T???a???C,?u?????C???????p?e?????????????C??,?u?????C???????????p?e????
