Improved cycle slip detection method for generalized continuation extrapolation Doppler
The invention provides an improved cycle slip detection method for generalized continuation extrapolation Doppler, which comprises the following steps of: 1, acquiring single-frequency observation data to obtain a carrier phase observation value and a Doppler observation value; 2, judging whether si...
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| creator | DAI YUANLIU FU QIANG LIANG WEIBIN FU WENTAO LI JINGJING BAI YANG JI YUANFA ZHAO SONGKE SUN XIYAN JIA QIANZI |
| description | The invention provides an improved cycle slip detection method for generalized continuation extrapolation Doppler, which comprises the following steps of: 1, acquiring single-frequency observation data to obtain a carrier phase observation value and a Doppler observation value; 2, judging whether signal interruption or lock losing occurs or not, and selecting latest prior data according to lock losing time or sampling interval; 3, establishing a generalized extrapolation model by using the acquired prior data; 4, resolving a constant coefficient of the generalized extrapolation model; 5, establishing a Doppler extrapolation polynomial by using the calculated constant coefficient; 6, calculating a Doppler extrapolation value at the next moment by using an extrapolation polynomial; 7, using the extrapolation Doppler value to participate in Doppler calculation cycle slip; 8, subtracting cycle slip values detected by adjacent epochs; ninthly, the absolute value and the integer value of the difference cycle slip v |
| format | Patent |
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2, judging whether signal interruption or lock losing occurs or not, and selecting latest prior data according to lock losing time or sampling interval; 3, establishing a generalized extrapolation model by using the acquired prior data; 4, resolving a constant coefficient of the generalized extrapolation model; 5, establishing a Doppler extrapolation polynomial by using the calculated constant coefficient; 6, calculating a Doppler extrapolation value at the next moment by using an extrapolation polynomial; 7, using the extrapolation Doppler value to participate in Doppler calculation cycle slip; 8, subtracting cycle slip values detected by adjacent epochs; ninthly, the absolute value and the integer value of the difference cycle slip v</description><subject>ANALOGOUS ARRANGEMENTS USING OTHER WAVES</subject><subject>CALCULATING</subject><subject>COMPUTING</subject><subject>COUNTING</subject><subject>DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES</subject><subject>ELECTRIC DIGITAL DATA PROCESSING</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>2023</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZAj3zC0oyi9LTVFIrkzOSVUozsksUEhJLUlNLsnMz1PITS3JyE9RSMsvUkhPzUstSszJrAKpzc8rycwrTQSrSa0oKUosyM-B8FzyCwpyUot4GFjTEnOKU3mhNDeDoptriLOHbmpBfnxqcUFiMtC4knhnP0NDM3NjM2NTQ0djYtQAANl7Ovo</recordid><startdate>20230912</startdate><enddate>20230912</enddate><creator>DAI YUANLIU</creator><creator>FU QIANG</creator><creator>LIANG WEIBIN</creator><creator>FU WENTAO</creator><creator>LI JINGJING</creator><creator>BAI YANG</creator><creator>JI YUANFA</creator><creator>ZHAO SONGKE</creator><creator>SUN XIYAN</creator><creator>JIA QIANZI</creator><scope>EVB</scope></search><sort><creationdate>20230912</creationdate><title>Improved cycle slip detection method for generalized continuation extrapolation Doppler</title><author>DAI YUANLIU ; 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2, judging whether signal interruption or lock losing occurs or not, and selecting latest prior data according to lock losing time or sampling interval; 3, establishing a generalized extrapolation model by using the acquired prior data; 4, resolving a constant coefficient of the generalized extrapolation model; 5, establishing a Doppler extrapolation polynomial by using the calculated constant coefficient; 6, calculating a Doppler extrapolation value at the next moment by using an extrapolation polynomial; 7, using the extrapolation Doppler value to participate in Doppler calculation cycle slip; 8, subtracting cycle slip values detected by adjacent epochs; ninthly, the absolute value and the integer value of the difference cycle slip v</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | ANALOGOUS ARRANGEMENTS USING OTHER WAVES CALCULATING COMPUTING COUNTING DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES ELECTRIC DIGITAL DATA PROCESSING LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION TESTING |
| title | Improved cycle slip detection method for generalized continuation extrapolation Doppler |
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