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calibration/artifacts/rtk_imu_calibration_v1/rotation_smoke/rotation_result.json
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{
"R_RTK_IMU": [
[
-0.999754381938718,
0.021803011844914608,
0.003975483470215314
],
[
0.021793866945340735,
0.9997597719617833,
-0.0023293197487744975
],
[
-0.0040253146336934244,
-0.002242106467980424,
-0.9999893848440022
]
],
"rpy_deg": [
-179.8715356137635,
0.23063416255936714,
178.75119441523574
],
"gyro_bias_by_session_rad_s": {
"priority_174005_174515": [
-0.00018079953472427648,
-9.3706764772758e-05,
-1.6471539455612585e-05
],
"priority_174905_175450": [
-0.0001527801061740737,
-0.0001164065722445753,
-5.5002757975692905e-05
],
"priority_175910_180530": [
0.00010732176614734042,
-9.217694744503191e-05,
0.00037171055222583177
],
"slope_190548_190730": [
-0.0001400513048024026,
-9.490085614046164e-05,
-7.313488292136488e-05
],
"circle_193412_193642": [
-5.9488404294769446e-05,
-0.00029434501957892675,
0.000102661594942897
],
"loop_194223_195003": [
-0.0002980828626939094,
9.137138703447405e-05,
4.430930647242609e-05
],
"accel_195608_195958": [
5.9388956272647935e-05,
9.900621296014341e-06,
8.065768586636302e-05
],
"motion_sms_154023_154359": [
0.0016442968972331072,
0.00012387305081956675,
8.435528364463815e-08
]
},
"time_offset": {
"offset_s": 0.08500000000000035,
"peak_correlation": 0.46191352508231565,
"second_best_correlation": 0.460889710037625,
"evaluated_samples": 12384,
"reliable": false
},
"convention": {
"name": "heading_opposite__pitch_nose_up",
"heading_sign": 1.0,
"pitch_sign": -1.0,
"roll_sign": 1.0
},
"convention_scores_deg": {
"north_cw__pitch_nose_up__roll_right_down": 1.6671304616155285,
"north_cw__pitch_opposite": 1.7955511909491206,
"heading_opposite__pitch_nose_up": 1.6669796415371239,
"heading_opposite__pitch_opposite": 19.709790964275243
},
"pair_count": 6164,
"residual_rms_deg": 1.6669796415371239,
"residual_median_deg": 0.6097138083592458,
"residual_p95_deg": 2.9952512236242987,
"rotation_std_deg": [
1.0204560247927847,
0.06460681216547948,
0.11838973994567728
],
"information_singular_values": [
818353.8002481281,
235774.70975965378,
3151.7390576048515
],
"per_session_rms_deg": {
"priority_174005_174515": 0.7068100152136895,
"priority_174905_175450": 1.7590065687347056,
"priority_175910_180530": 3.0674316757114104,
"slope_190548_190730": 2.07580304513421,
"circle_193412_193642": 0.6574485751543728,
"loop_194223_195003": 0.6594363752510715,
"accel_195608_195958": 0.7631418065216562,
"motion_sms_154023_154359": 3.709386878989403
},
"loo_delta_deg": {},
"ok": false,
"notes": [
"transform convention: p_RTK = R_RTK_IMU p_IMU",
"residual time convention: t_IMU = t_RTK + +0.000000 s",
"GNHPR convention score gap=0.0002 deg",
"time-offset correlation was ambiguous; held residual offset at zero",
"empirical best GNHPR convention differs from protocol expectation; manual verification required",
"rotation failed one or more strict acceptance gates"
]
}