Apparatus and method for determining the range and bearing in a

Details Apparatus and method for determining the range and bearing in a Apparatus and method for determining the range and bearing in a

1983-09-21

1986-07-15

Strecker, Gerard R.

Electricity: measuring and testing

Magnetic

Displacement

89 4117, 318647, 324246, 364444, G01R 3302, G06G 778, G01B 714, G05F 100

Patent

active

046008837

ABSTRACT:
Orthogonal components of electromagnetic field perturbations due to objects characterized by electric or magnetic dipoles are measured along orthogonal axes in a plane. The components are proportional with (3 cos.sup.2 .theta.-1) and (3 cos .theta. sin .theta.), where .theta. is the bearing of the dipole center relative to the device for measuring the field components. .theta. is readily determined from these equations and the range of the object can also be determined from knowledge of the dipole moment.

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