CN107800441B - 一种信号处理方法及系统 - Google Patents
一种信号处理方法及系统 Download PDFInfo
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- CN107800441B CN107800441B CN201711011435.6A CN201711011435A CN107800441B CN 107800441 B CN107800441 B CN 107800441B CN 201711011435 A CN201711011435 A CN 201711011435A CN 107800441 B CN107800441 B CN 107800441B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/0003—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain
- H04B1/0007—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain wherein the AD/DA conversion occurs at radiofrequency or intermediate frequency stage
- H04B1/001—Channel filtering, i.e. selecting a frequency channel within the SDR system
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/0003—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain
- H04B1/0007—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain wherein the AD/DA conversion occurs at radiofrequency or intermediate frequency stage
- H04B1/0017—Digital filtering
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/0003—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain
- H04B1/0007—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain wherein the AD/DA conversion occurs at radiofrequency or intermediate frequency stage
- H04B1/0021—Decimation, i.e. data rate reduction techniques
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CN201711011435.6A CN107800441B (zh) | 2017-10-26 | 2017-10-26 | 一种信号处理方法及系统 |
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CN201711011435.6A CN107800441B (zh) | 2017-10-26 | 2017-10-26 | 一种信号处理方法及系统 |
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CN107800441A CN107800441A (zh) | 2018-03-13 |
CN107800441B true CN107800441B (zh) | 2021-05-28 |
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CN109525267A (zh) * | 2018-11-26 | 2019-03-26 | 宁夏金硅信息技术有限公司 | 一种信号处理方法及系统 |
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CN100587504C (zh) * | 2008-01-18 | 2010-02-03 | 杭州万工科技有限公司 | 一种数字同步采样方法 |
CN101510756A (zh) * | 2009-03-06 | 2009-08-19 | 山东大学 | 基于mimo实时测试平台的数字信号下变频处理系统 |
JP5126204B2 (ja) * | 2009-11-05 | 2013-01-23 | セイコーエプソン株式会社 | 周波数変換回路 |
CN103647513A (zh) * | 2013-12-24 | 2014-03-19 | 苏州国越信息科技有限公司 | 一种数字下变频器 |
CN105375937B (zh) * | 2015-11-11 | 2018-10-02 | 中国电子科技集团公司第四十一研究所 | 一种数字中频可变带宽成形滤波器及滤波方法 |
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Inventor after: Wang Zhenger Inventor after: Zhan Hai Inventor after: Jiang Peihua Inventor before: Wang Zhenger Inventor before: Yang Wei |
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Effective date of registration: 20210508 Address after: 100088 No.209, building 1, East District, yard 10, xibeiwangdong Road, Haidian District, Beijing Applicant after: HUIZHONGXINGZHI TECHNOLOGY (BEIJING) Co.,Ltd. Applicant after: NINGXIA JINGUI INFORMATION TECHNOLOGY Co.,Ltd. Address before: No.209, building 1, East District, No.10 Yuandong Road, northwest, Haidian District, Beijing Applicant before: HUIZHONGXINGZHI TECHNOLOGY (BEIJING) Co.,Ltd. |
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Address after: 09 / F, 13 / F, building 683, zone 2, No. 5, Zhongguancun South Street, Haidian District, Beijing 100081 Patentee after: HUIZHONG XINGZHI TECHNOLOGY (BEIJING) CO.,LTD. Patentee after: Ningxia golden silicon Information Technology Co., Ltd Address before: 100088 No.209, building 1, East District, yard 10, xibeiwangdong Road, Haidian District, Beijing Patentee before: HUIZHONG XINGZHI TECHNOLOGY (BEIJING) CO.,LTD. Patentee before: Ningxia golden silicon Information Technology Co., Ltd |