机译:多普勒扩展的时间选择无线电信道的频率估计的Cramer-Rao界
National Communications Research Lab, Southeast University, Nanjing 210096, China;
National Communications Research Lab, Southeast University, Nanjing 210096, China;
National Communications Research Lab, Southeast University, Nanjing 210096, China;
Cramer-Rao Lower Bound (CRLB); Time selective channel; Doppler-shift;