Cross polarization interference canceler and cross polarization interference eliminating apparatus using the same

A cross polarization interference canceler comprising:

• digital conversion means for subjecting a demodulated signal of one channel to an analog-to-digital conversion out of two channels which are independently formed using carriers having the same frequency but having planes of polarization which are mutually orthogonal;
• interference canceling means for canceling interference caused by said one channel of said two channels by subtracting from a demodulated signal of another channel of said two channels, a component of the demodulated signal being digitally converted by said digital conversion means;
• and
• integrator means for carrying out an integration process with respect to the demodulated signal which is cancelled of the interference by said interference canceling means to provide a negative feedback to said interference canceling means so that a D.C. offset introduced by the analog-to-digital conversion is eliminated by said negative feedback.