With increasing of Doppler frequency offset, status of channel doesn′t hold stabilization for long and whole correlation of false codes hasn′t satisfied require of channel estimation.
随着多普勒频偏的增大，信道状况无法长时间保持平稳，伪码的完整相关已经不能满足信道估计的要求。
2
It is a new application for DIS (Digital image Stabilization) to the infrared image processing field, in infrared homing seeker of single channel-controlled air defense missile.