Howtosignalprocessing
Rate random walk, which is sometimes called bias drift, has units of deg /s3/2.
What is rate random walk?
Rate random walk – Characterized by power spectral density that falls off as 1/frequency2 and represents bias fluctuations caused in the long term primarily due to temperature effects. A low rate random walk is important for long-term dead reckoning performance.
What is gyro scale factor?
Scale Factor is a ration of input (angular velocity) and output value. The deviation of the scale factor to the ideal output is called scale factor error, which is normally displayed in percentage (%).
What is an IMU sensor?
An IMU is a specific type of sensor that measures angular rate, force and sometimes magnetic field. IMUs are composed of a 3-axis accelerometer and a 3-axis gyroscope, which would be considered a 6 axis IMU. They can also include an additional 3-axis magnetometer, which would be considered a 9 axis IMU.
What is IMU bandwidth?
The bandwidth is the maximum frequency to which a sensor or system will respond. This frequency is typically defined at the point where the response has dropped to half power, or the -3 dB point on a Bode mangitude plot.
