Importance

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Abstract

A monopulse tracking apparatus comprises first to fourth electromagnetic horns disposed symmetrically to each other in an azimuthal direction and elevation direction in a 2.times.2 matrix state, a first hybrid circuit for creating the sum signal and difference signal of the first and second electromagnetic horns, a second hybrid circuit for creating the sum signal and difference signal of the third and fourth electromagnetic horns, a third hybrid circuit supplied with the respective sum signals of the first and second hybrid circuits and for outputting the sum signal and difference signal thereof, a fourth hybrid circuit supplied with the respective difference signals of the first and second hybrid circuits and outputting the sum signal and difference signal thereof, and a fifth hybrid circuit for creating the sum signal and difference signal of the first and fourth electromagnetic horns or the second and third electromagnetic horns.

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First Claim