利用旋磁波导系统的耦合波方程，推出了旋转四磁极磁化场铁氧体波导的极化变换矩阵，分析了旋转场变极化器的基本原理及控制方式，给出了实验结果。

Polarization transform matrix of rotary quadrapole magnetized field ferite waveguide is deduced by coupled wave equation.The basic principle and control ways of the rotary field ferrite variable polarizer are analyzed.The experimental results are describled.

TM277 TN95