Secondary carrier stripping tracking method
The invention provides a secondary carrier stripping tracking method which comprises the following steps: mixing an input signal with a local medium frequency signal to obtain a medium frequency mixing signal; carrying out downsampling processing to obtain a medium frequency mixing downsampled signa...
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| creator | WEI JINGFA ZHONG XIAOMIN SHI BIN ZHANG FAN |
| description | The invention provides a secondary carrier stripping tracking method which comprises the following steps: mixing an input signal with a local medium frequency signal to obtain a medium frequency mixing signal; carrying out downsampling processing to obtain a medium frequency mixing downsampled signal, the data rate of which is lower than that of the medium frequency mixing signal; mixing the medium frequency mixing downsampled signal with a carrier loop output signal; carrying out zero clearing on the output mixing signal to output I and Q branch signals; and obtaining the frequency and phasedifferences between the input signal and the local signal by means of calculation of an identifier and filtration of a filter. According to the method provided by the invention, the data sampling ratecan be reduced, the data size can be reduced and hardware resources can be saved.
本发明提供了种二次载波剥离跟踪方法，输入信号与本地中频信号混频得到中频混频信号，降采样处理，得到比中频混频信号更低数据速率的中频混频减采样信号，中频混频减采样信号与载波环路输出信号混频，输出的混频信号经过积分清零输出I、Q支路信号，经过鉴别器计算，滤波器滤波得到输入信号与本地信号之间的 |
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本发明提供了种二次载波剥离跟踪方法，输入信号与本地中频信号混频得到中频混频信号，降采样处理，得到比中频混频信号更低数据速率的中频混频减采样信号，中频混频减采样信号与载波环路输出信号混频，输出的混频信号经过积分清零输出I、Q支路信号，经过鉴别器计算，滤波器滤波得到输入信号与本地信号之间的</description><language>chi ; eng</language><subject>ANALOGOUS ARRANGEMENTS USING OTHER WAVES ; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES ; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES ; MEASURING ; PHYSICS ; RADIO DIRECTION-FINDING ; RADIO NAVIGATION ; TESTING</subject><creationdate>2018</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20180629&DB=EPODOC&CC=CN&NR=108226966A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20180629&DB=EPODOC&CC=CN&NR=108226966A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>WEI JINGFA</creatorcontrib><creatorcontrib>ZHONG XIAOMIN</creatorcontrib><creatorcontrib>SHI BIN</creatorcontrib><creatorcontrib>ZHANG FAN</creatorcontrib><title>Secondary carrier stripping tracking method</title><description>The invention provides a secondary carrier stripping tracking method which comprises the following steps: mixing an input signal with a local medium frequency signal to obtain a medium frequency mixing signal; carrying out downsampling processing to obtain a medium frequency mixing downsampled signal, the data rate of which is lower than that of the medium frequency mixing signal; mixing the medium frequency mixing downsampled signal with a carrier loop output signal; carrying out zero clearing on the output mixing signal to output I and Q branch signals; and obtaining the frequency and phasedifferences between the input signal and the local signal by means of calculation of an identifier and filtration of a filter. According to the method provided by the invention, the data sampling ratecan be reduced, the data size can be reduced and hardware resources can be saved.
本发明提供了种二次载波剥离跟踪方法，输入信号与本地中频信号混频得到中频混频信号，降采样处理，得到比中频混频信号更低数据速率的中频混频减采样信号，中频混频减采样信号与载波环路输出信号混频，输出的混频信号经过积分清零输出I、Q支路信号，经过鉴别器计算，滤波器滤波得到输入信号与本地信号之间的</description><subject>ANALOGOUS ARRANGEMENTS USING OTHER WAVES</subject><subject>DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES</subject><subject>LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES</subject><subject>MEASURING</subject><subject>PHYSICS</subject><subject>RADIO DIRECTION-FINDING</subject><subject>RADIO NAVIGATION</subject><subject>TESTING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2018</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZNAOTk3Oz0tJLKpUSE4sKspMLVIoLinKLCjIzEtXKClKTM4GMXJTSzLyU3gYWNMSc4pTeaE0N4Oim2uIs4duakF-fGpxQWJyal5qSbyzn6GBhZGRmaWZmaMxMWoAk8cp5g</recordid><startdate>20180629</startdate><enddate>20180629</enddate><creator>WEI JINGFA</creator><creator>ZHONG XIAOMIN</creator><creator>SHI BIN</creator><creator>ZHANG FAN</creator><scope>EVB</scope></search><sort><creationdate>20180629</creationdate><title>Secondary carrier stripping tracking method</title><author>WEI JINGFA ; ZHONG XIAOMIN ; SHI BIN ; ZHANG FAN</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN108226966A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2018</creationdate><topic>ANALOGOUS ARRANGEMENTS USING OTHER WAVES</topic><topic>DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES</topic><topic>LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES</topic><topic>MEASURING</topic><topic>PHYSICS</topic><topic>RADIO DIRECTION-FINDING</topic><topic>RADIO NAVIGATION</topic><topic>TESTING</topic><toplevel>online_resources</toplevel><creatorcontrib>WEI JINGFA</creatorcontrib><creatorcontrib>ZHONG XIAOMIN</creatorcontrib><creatorcontrib>SHI BIN</creatorcontrib><creatorcontrib>ZHANG FAN</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>WEI JINGFA</au><au>ZHONG XIAOMIN</au><au>SHI BIN</au><au>ZHANG FAN</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Secondary carrier stripping tracking method</title><date>2018-06-29</date><risdate>2018</risdate><abstract>The invention provides a secondary carrier stripping tracking method which comprises the following steps: mixing an input signal with a local medium frequency signal to obtain a medium frequency mixing signal; carrying out downsampling processing to obtain a medium frequency mixing downsampled signal, the data rate of which is lower than that of the medium frequency mixing signal; mixing the medium frequency mixing downsampled signal with a carrier loop output signal; carrying out zero clearing on the output mixing signal to output I and Q branch signals; and obtaining the frequency and phasedifferences between the input signal and the local signal by means of calculation of an identifier and filtration of a filter. According to the method provided by the invention, the data sampling ratecan be reduced, the data size can be reduced and hardware resources can be saved.
本发明提供了种二次载波剥离跟踪方法，输入信号与本地中频信号混频得到中频混频信号，降采样处理，得到比中频混频信号更低数据速率的中频混频减采样信号，中频混频减采样信号与载波环路输出信号混频，输出的混频信号经过积分清零输出I、Q支路信号，经过鉴别器计算，滤波器滤波得到输入信号与本地信号之间的</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ANALOGOUS ARRANGEMENTS USING OTHER WAVES DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION TESTING |
| title | Secondary carrier stripping tracking method |
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