Solution method for satellite navigation time service and time keeping in clock synchronization system
The invention discloses a solution method for satellite navigation time service and time keeping in a clock synchronization system. A satellite navigation high-precision time service subsystem provides a high-precision PPS reference signal for a time synchronous subsystem; the time synchronous subsy...
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| creator | WANG JIAN LAI WENYONG YANG KUN TANG DAOYONG |
| description | The invention discloses a solution method for satellite navigation time service and time keeping in a clock synchronization system. A satellite navigation high-precision time service subsystem provides a high-precision PPS reference signal for a time synchronous subsystem; the time synchronous subsystem enables the time of travelling wave fault location devices in all substations to be kept synchronous with that of the satellite navigation high-precision time service subsystem by receiving the high-precision PPS reference signal; the travelling wave fault location devices generate travelling waves which are sent to fault points by taking the substations as initial positions, record the sending time t of the travelling waves, receive the travelling waves reflected back to the initial positions by the fault points, record the receiving time t of the travelling waves and calculate the distance X between the fault points and the initial positions, wherein the X is equal to 1/2*vt, the v is light velocity and the |
| format | Patent |
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A satellite navigation high-precision time service subsystem provides a high-precision PPS reference signal for a time synchronous subsystem; the time synchronous subsystem enables the time of travelling wave fault location devices in all substations to be kept synchronous with that of the satellite navigation high-precision time service subsystem by receiving the high-precision PPS reference signal; the travelling wave fault location devices generate travelling waves which are sent to fault points by taking the substations as initial positions, record the sending time t of the travelling waves, receive the travelling waves reflected back to the initial positions by the fault points, record the receiving time t of the travelling waves and calculate the distance X between the fault points and the initial positions, wherein the X is equal to 1/2*vt, the v is light velocity and the</description><language>chi ; eng</language><subject>ANALOGOUS ARRANGEMENTS USING OTHER WAVES ; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES ; ELECTRIC COMMUNICATION TECHNIQUE ; ELECTRICITY ; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES ; MEASURING ; MULTIPLEX COMMUNICATION ; PHYSICS ; RADIO DIRECTION-FINDING ; RADIO NAVIGATION ; TESTING</subject><creationdate>2017</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=20171003&DB=EPODOC&CC=CN&NR=107231206A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25562,76317</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20171003&DB=EPODOC&CC=CN&NR=107231206A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>WANG JIAN</creatorcontrib><creatorcontrib>LAI WENYONG</creatorcontrib><creatorcontrib>YANG KUN</creatorcontrib><creatorcontrib>TANG DAOYONG</creatorcontrib><title>Solution method for satellite navigation time service and time keeping in clock synchronization system</title><description>The invention discloses a solution method for satellite navigation time service and time keeping in a clock synchronization system. A satellite navigation high-precision time service subsystem provides a high-precision PPS reference signal for a time synchronous subsystem; the time synchronous subsystem enables the time of travelling wave fault location devices in all substations to be kept synchronous with that of the satellite navigation high-precision time service subsystem by receiving the high-precision PPS reference signal; the travelling wave fault location devices generate travelling waves which are sent to fault points by taking the substations as initial positions, record the sending time t of the travelling waves, receive the travelling waves reflected back to the initial positions by the fault points, record the receiving time t of the travelling waves and calculate the distance X between the fault points and the initial positions, wherein the X is equal to 1/2*vt, the v is light velocity and the</description><subject>ANALOGOUS ARRANGEMENTS USING OTHER WAVES</subject><subject>DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES</subject><subject>ELECTRIC COMMUNICATION TECHNIQUE</subject><subject>ELECTRICITY</subject><subject>LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES</subject><subject>MEASURING</subject><subject>MULTIPLEX COMMUNICATION</subject><subject>PHYSICS</subject><subject>RADIO DIRECTION-FINDING</subject><subject>RADIO NAVIGATION</subject><subject>TESTING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2017</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNiz0KwkAQRtNYiHqH8QBCfkBrCYqVjfZh2UySIbszITMG4ukF4wGsPnjvfeukeUh4GQlDROukhkZGUGcYAhkCu4la9_VGEUFxnMgjOK4X0CMOxC0Qgw_ie9CZfTcK03u56ayGcZusGhcUd7_dJPvr5VneDjhIhTo4j4xWlfcsPeVFlqfHc_FP8wHZLUBU</recordid><startdate>20171003</startdate><enddate>20171003</enddate><creator>WANG JIAN</creator><creator>LAI WENYONG</creator><creator>YANG KUN</creator><creator>TANG DAOYONG</creator><scope>EVB</scope></search><sort><creationdate>20171003</creationdate><title>Solution method for satellite navigation time service and time keeping in clock synchronization system</title><author>WANG JIAN ; LAI WENYONG ; YANG KUN ; TANG DAOYONG</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN107231206A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2017</creationdate><topic>ANALOGOUS ARRANGEMENTS USING OTHER WAVES</topic><topic>DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES</topic><topic>ELECTRIC COMMUNICATION TECHNIQUE</topic><topic>ELECTRICITY</topic><topic>LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES</topic><topic>MEASURING</topic><topic>MULTIPLEX COMMUNICATION</topic><topic>PHYSICS</topic><topic>RADIO DIRECTION-FINDING</topic><topic>RADIO NAVIGATION</topic><topic>TESTING</topic><toplevel>online_resources</toplevel><creatorcontrib>WANG JIAN</creatorcontrib><creatorcontrib>LAI WENYONG</creatorcontrib><creatorcontrib>YANG KUN</creatorcontrib><creatorcontrib>TANG DAOYONG</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>WANG JIAN</au><au>LAI WENYONG</au><au>YANG KUN</au><au>TANG DAOYONG</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Solution method for satellite navigation time service and time keeping in clock synchronization system</title><date>2017-10-03</date><risdate>2017</risdate><abstract>The invention discloses a solution method for satellite navigation time service and time keeping in a clock synchronization system. 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| language | chi ; eng |
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| subjects | ANALOGOUS ARRANGEMENTS USING OTHER WAVES DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING MULTIPLEX COMMUNICATION PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION TESTING |
| title | Solution method for satellite navigation time service and time keeping in clock synchronization system |
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