Directional Noise Floor
Directional Noise Floor
Directional Noise Floor
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<strong>Directional</strong> <strong>Noise</strong> <strong>Floor</strong>• Horizontal Wave Gages can only measurethe component of the orbital velocities thatare projected down the beam.• If wave energy is propagatingperpendicular to the beam then very littlevelocity is projected down the beam andhence very little of the wave is measured.• At the same time the noise is isotropic –evenly spread over all directions.