发明名称 APPARATUS AND METHOD FOR CALCULATING BIAS BETWEEN FREQUENCIES
摘要 PROBLEM TO BE SOLVED: To provide a bias-between-frequencies calculation apparatus capable of finding a delay amount in the ionosphere accurately in spite of a simple structure. SOLUTION: The bias-between-frequencies calculation apparatus 10 is provided with a data acquisition section 11, a bias-between-frequencies calculation section 12, and a data output section 13, etc. The acquisition section 11 inputs each first pseudorange by a first frequency and each second pseudorange by a second frequency from a GPS satellite 40 up to each GPS receivers 20, 21, 22, ..., through a communication line 41 from each GPS receivers 20, 21, 22, .... The calculation section 12 substitutes a plurality of first and second pseudoranges inputted from the acquisition section 11 into a predetermined arithmetic expression, and calculates a bias between frequencies by the first and second frequencies. The output section 13 outputs the bias between the frequencies calculated by the calculation section 12, to the GPS receivers 20, 21, 22, ... through the communication line 41. COPYRIGHT: (C)2006,JPO&NCIPI
申请公布号 JP2006023144(A) 申请公布日期 2006.01.26
申请号 JP20040200213 申请日期 2004.07.07
申请人 NEC CORP 发明人 HIROE NOBUO
分类号 G01S19/07;G01S19/32;G01S19/40 主分类号 G01S19/07
代理机构 代理人
主权项
地址