Magnetic Array Design · Position CRLB

Array

Sensor locations and count

Layout

Array size n 8 × 8

3integer14

Side / diameter 35.0 cm

10 cmcontinuous60 cm

Magnet and noise

Model inputs

Dipole moment M 0.1000 A·m²

0.02A·m²0.25

Channel standard deviation σ 0.300 μT

0.05μT2.00

Workspace

Position range and error threshold

PEB threshold τ 2.0 mm

Show PEB = τ surface Off · threshold height from z=5 cm

Lateral half-width ±5.0 cm

z_min cm z_max cm

Direction samples

Target in space

Drag the target, arrow, or height ruler

p / cm (+0.0, +0.0, +10.0) u (+0.000, +0.000, +1.000)

x 0.0 cm

y 0.0 cm

z 10.0 cm

Azimuth 0°

Elevation 90°

Plane PEB

z = 10.0 cm · maximum over sampled directions

9 × 9 · 24 directions

Height profile

Current pose · maximum over sampled directions

15 heights · 30 directions

Current pose · unknown direction Position rank 3 / 3

— mm

Local position bound after projecting out the unknown direction.

0 Below threshold at current pose Threshold 2.0 mm

Sampled maximum — mm

Direction range — max / min

Direction comparison

—

Known direction (reference) — mm

Unknown direction — mm

The current pose uses the unknown-direction result; the known direction is shown for reference.

Direction samples

54 directions · local refinement 24 evaluations

Median PEB—

P95 PEB—

Direction at maximum u*—

σ₁—

σ₂—

σ₃—

Regional samples

3 × 3 × 5 positions

Maximum PEB — mm

Below threshold—

Common passing height (sampled)—

Computing regional result