Line-of-Sight Rate Estimation Based on UKF for Strapdown Seeker

Table 5

Seeker and gyro parameters table.

Model item	Parameters
Strapdown seeker
Bias	Uniform distribution U(0, 0.028°)
Image processing uncertainty	Normal distribution N(0, 0.028°)
Quantized error	Uniform distribution U(0, 0.028°)
Frame frequency	50 Hz
Gyro STIM202
Bias	60°/h
Bias stability	60°/h
Scale factor accuracy	200 ppm