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本文给出多卜勒频率fd录取的三种方案,在时间量化误差及设备复杂程度方面进行了比较,得出适用于多卜勒导航的精度高、设备省的f_d录取方案。
In this paper, three schemes of Doppler frequency fd acquisition are given. Compared with the time quantization error and equipment complexity, the fd acquisition scheme suitable for Doppler navigation with high precision and equipment saving is obtained.