This NS-N1B Dynamic Fiber Optic Gyro North Finder adopt high precision fiber optic gyroscope and quartz accelerometer as the core components, mainly composed of inertial measurement unit, data acquisition and processing unit, precision indexing mechanism and control display unit, and other parts. According to the using characteristics, at the same time, it can increase the GPS/BD/GNSS receiver, odometer sensor, altimeter and star sensor components, as well as provide carrier and true north azimuth. It also can provide the vehicle motion, speed and position information. Products can be used for a missile launch, weapon targeting, and radar, antennas, vehicles and other objects of dynamic and static initial alignment and direction control etc.