Initial alignment theories and methods for strapdown inertial navigation system Initial alignment for strapdown inertial navigation system 并列题名:Initial alignment for strapdown inertial navigation system Non-coaxial rotation compound modulation technology for strapdown inertial navigation system Lgorithms for a strapdown inertial navigation system 并列题名:Lgorithms for a strapdown inertial navigation system Rotary modulation strapdown inertial navigation system Research on a new moving-base alignment approach and error depression of strapdown intertial navigation system 并列题名:Rotary modulation strapdown inertial navigation system Sea experiment for marine inertial navigation system