Strapdown Dynamically Tuned Gyroscope with advantages of high precision, long life time, wide dynamic range, and high reliability, and now has been widely used in water surface and land strapdown system, fast true-north seeking instrument, helicopter light guidance platform, television antenna tracker, and so on. The gyroscope also can be used in spaceflight strapdown inertial system and the land, sea, aviation, spaceflight transporter strapdown and platform type attitude system.