短語詞組短語GPS phase -ambiguity GPS相位模糊度phase integer ambiguity 相位整周模糊度GPS carrier phase integer ambiguity GPS 載波相位整周模糊度QPSK phase ambiguity QPSK 相位模糊integer carrier phase ambiguity 整周模糊度phase ambiguity resolution 相位模糊度解算phase -shift ambiguity 相位模糊性integer phase ambiguity 整數(shù)相位模糊carrier phase ambiguity resolution 整周模糊度解算 返回 phase ambiguity