CALIBRATION DEVICE FOR ARRAY ANTENNA WIRELESS RECEIVER

摘要

In an array antenna radio receive system comprising an array antenna containing a plurality of antenna elements and a plurality of radio reception units provided for said antenna elements, a calibration signal with substantiallyy the same frequency band as a spread signal used for spread spectrum communications is passed through said radio reception units and the delay characteristic or amplitude characteristic of said radio reception units is detected from said calibration signal that has passed said radio reception units.