At present

it is necessary to use the frequency reuse system with dual circular polarization in the Intelsat-V.This system needs not only the antennas with very high polarization purity

but also the polarization corrector to overcome the depolarization effect due to rain.In this paper

three kinds of polarization correctors are analyzed with the complex vector method and the equations for computing their characteristics have been obtained.All the equations for the best axial ratio

residual depolarization disturbance

error signal and the control signal are expressed here directly with the angular position errors

phase errors and amplitude errors of the phasers. Thus the regret expressed by DiFonzo may be avoided with these equations and simple direct error feed back is possible.With the equations given in this paper

it is possible to predict the performances of the polarization corrector

such as the best axial ratio and residual depolarization disturbance or to determine the specifications of the components for the corrector

such as the phaser’s phase errors

amplitude errors and angular position errors.According to the polarization situation of the coming wave

the best work region of the polarization corrector can be selected for improving the best axial ratio and decreasing the residual depolarization disturbance.