Method for determining whole-cycle ambiguity of three-frequency carrier phase of BeiDou navigation system
A technology of Beidou navigation system and whole circle ambiguity, which is applied in the application field of Beidou satellite navigation, can solve the problems of determination result error, narrow-lane combined ambiguity calculation result deviating from the real value, etc., and achieve the goal of eliminating orbit error and random noise error Effect
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[0056] The method for determining the integer ambiguity of the three-frequency carrier phase of the Beidou navigation system according to the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.
[0057] The Beidou navigation system tri-frequency carrier phase integer ambiguity determination method according to the present invention comprises the following steps:
[0058] (1) According to the characteristics of the three carrier frequencies of Beidou satellite navigation signals B1, B2, and B3, the carrier measurement data of the three frequencies are multiplied by specific coefficients (required to be an integer combination whose sum of the coefficients is 0) for linear Combination to form carrier phase combination observations. Then, in different carrier linear combinations, according to the selection criteria that the combined wavelength is as large as possible and the ionospheric coefficient is as small...
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