With appropriate selection of the data rate and under normal SNR conditions, the degradation of tracking performance is quite small, and the effect of frequency refer ence instability can be ignored.

• 通过合理选择数据速率，以及在正常的再生伪码测距信噪比条件下，跟踪性能损失很小，同时频率参考源不稳定的影响可以忽略。