two-dimensional programmable positioner for antenna measurement

This positioner is sophisticated programmable electromechanical equipment, which has 2D programmable and 1D manual translation.

1  Overview of positioner    This positioner is sophisticated programmable electromechanical equipment, which hastwo-dimensional programmable and one-dimensional manual translation (adopting the phasecenter adjustment of measurement antenna) function.

2  Design proposal of 2D programmable positoner2.1  Main technical index1)  Movement mode: Direction, Polarization2)  Rotating angle's range0~+360° (Direction axis) continuously speed: 1°/s ~ 9°/s (0.15 ~1.5 rpm)0~+360° (Polarization axis) continuously speed: 1°/s ~ 9°/s (0.15 ~1.5 rpm)

3)  Position accuracy: Direction±0.2°, Polarization±0.2°4)  Translation range: ±400mm, manual5)   Loading weight: 50Kg (table-board of direction axis),20Kg(table-board of polarization axis)6)  Diameter of loading tray in direction axis: F6207)  Diameter of loading tray in polarization axis: F1508)  Working mode: constant speed, interval touching9)  Indoor environmental condition: 0~400C,RH:85%10) Positioner’s ontroller is controlled by local or remote

Such positioner is a key part of antenna far-field measurement.

two-dimensional programmable positioner for antenna measurement