发明名称 |
METHOD AND DEVICE FOR COMPARING TEMPORAL FREQUENCY BY COHERENT CARRIER WAVE PHASE |
摘要 |
<P>PROBLEM TO BE SOLVED: To provide a method for comparing temporal frequencies by a coherent carrier wave phase capable of high precision comparison. <P>SOLUTION: The method detects the topology of carrier wave signals, enhances measurement resolution when performing bidirectional temporal comparison by communication satellite relay, and easily solves multiple solutions generated by transmission delay measurement by using a main carrier wave and a sub-carrier wave signal neared by coherence therewith. <P>COPYRIGHT: (C)2008,JPO&INPIT |
申请公布号 |
JP2008122290(A) |
申请公布日期 |
2008.05.29 |
申请号 |
JP20060308124 |
申请日期 |
2006.11.14 |
申请人 |
NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL & TECHNOLOGY |
发明人 |
IMAE MASATO;SUZUYAMA TOMOYA;FUJII YASUHISA |
分类号 |
G04G5/00;G01R23/15;G04C9/04;G04R20/00 |
主分类号 |
G04G5/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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