低轨卫星LEO通信系统的多普勒频移估计，通过该程序可以画出多普勒频移的S曲线，可以观测处最大的多普勒频移以及变化率-LEO LEO satellite communication system of the Doppler frequency shift is estimated that the program can be drawn through the Doppler shift of the S curve can be observed to be the highest Dopp

采用QPSK调制，研究OFDM多普勒频移估计与补偿算法(Research on Doppler Frequency Shift Estimation and Compensation Algorithms for OFDM Using QPSK Modulation)

基于低轨卫星的频偏估计算法，用matlab实现，估计精度较高(frequency offset estimation on satellite)