According to P-code features of large Doppler frequency shift and long code period, the method that shortens the scope of carrier frequency search is studied.
针对P码多普勒频移大、周期长的特点，本文探讨了缩短载频搜索范围的方法。
2
By the traditional means, people tried to search for a closed form of the analytical expression of the "range doppler" cell's area.