这是一篇有关多普勒频移估计问题的文章，主要是在高速移动环境下，很容易产生多普勒频移，为了消除干扰，必须得到确切的多普勒品议大小，从而采用合适的方法消除-This is an article about the Doppler shift estimation articles, mainly in the high-speed mobile environment, it is prone to Doppler shift, in order to eliminate the interference, Doppler product must be the exact size recommended, so that appropriate the way to eliminate