基于搜索范围预测的直扩系统多普勒频偏估计 |
胡梅霞 |
Searching range prediction based on Doppler frequency shift estimation method in direct spread spectrum systems |
图3 多普勒频偏捕获误差的CCDF图 SNR =-36.5 dB Fig.3 CCDFs of the Doppler frequency shift estimation error of the proposed method SNR =-36.5 dB |