TABLE 1
INS Specifications for HG9900 Navigation-Grade INS
| INS Specification | Value |
|---|---|
| Velocity Random Walk | 1 × 10–12 m/sec3/2 |
| Angular Random Walk |  |
| Accelerometer Bias Sigma | 9.81×10–6 m/s2 |
| Accelerometer Time Constant | 3600 s |
| Gyro Bias Sigma | 1.45×10–8 rad/s |
| Gyro Time Constant | 3600 s |