By using the after-treatment software GAMIT/GLOBK of high precision GPS, it treats with the observational data of class-B GPS control network for the Xiamen Jimei cross-sea bridge.

利用高精度GPS后处理软件GAMIT/GLOBK对厦门集美跨海大桥B级GPS控制网的实测数据进行处理，分析海潮对GPS控制网的影响，指出海潮改正对近海短时间GPS观测高程方向的影响可达数厘米。

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