A comparision was made between Doppler Velocity Log (DVL)and Correlation Velocity Log (CVL)in their suitability for AUV.It is obvious that CVL is suitable.

• 本文从多普勒速度计程仪（DVL）和相关速度计程仪（CVL）两种速度传感器的工作机理出发，找出了CVL系统的独特优点，以此为AUV导航用速度传感器采用CVL方案的依据。