Lock-In Amplifier Technology in Laser Gyroscope North Finder of Constant Rate Biasing

Table 2

Typical performance parameters for the inertial components.

Sources of errors	Values
The constant drift noise of the gyroscope (𝑏^𝑔)	0.02°/h
The random drift noise of the gyroscope (𝑛^𝑔(𝑡))	0.01°/h
The installation error of the gyroscope (𝑐^𝑔)	10′′
The scale-factor error of the gyroscope (𝑠^𝑔)	10 ppm
The constant drift noise of the accelerometer (𝑏^𝑎)	100 μg
The random drift noise of the accelerometer (𝑛^𝑎(𝑡))	50 μg
The installation error of the accelerometer (𝑐^𝑎)	10′′
The scale-factor error of the accelerometer (𝑠^𝑎)	10 ppm