So the method that the Doppler frequency shift which obtained using theforecast approachaids the carrier tracking loop is proposed.
基于卫星轨道可模化、可预测的特性，提出了利用轨道预报得到的多普勒频移来辅助环路跟踪的新方法。
2
In this approach developers use models purely as AIDS to understanding the business or solution domain, or for analyzing the architecture of a proposed solution.
在这种方法中开发人员把模型纯粹的作为理解业务或者方案领域，或者分析被提议的方案架构的辅助手段。
3
Now that you have a useful toolkit of network diagnostic AIDS, it's time to look at a logical, step-by-step approach to troubleshooting common problems.