Interference suppression systems

Claim 1

A SIDE LOBE SUPPRESSION SYSTEM FOR DIRECTIONAL RECEIVING SYSTEMS INCLUDING: A FIRST DIRECTIONAL AND POSITIONABLE ANTENNA HAVING A RADIATION PATTERN INCLUDING A MAIN LOBE AND A PLURALITY OF SIDE LOBES FOR RECEIVING A FIRST SIGNAL HAVING AN INFORMATION COMPONENT AND INTERFERENCE COMPONENETS CORRESPONDING TO WAVE ENERGY RECEIVED BY THE MAIN AND SIDE LOBES, RESPECTIVELY, OF SAID FIRST ANTENNA; A PLURALITY OF SECONDARY DIRECTIONAL ANTENNAE EACH HAVING ITS DIRECTIONAL PATTERN SUBSTANTIALLY IN FIXED COINCIDENCE WITH A DIFFERENT ONE OF THE SIDE LOBES OF SAID FIRST ANTENNA EACH FOR RECEIVING AN INTERFERENCE SIGNAL SUBSTANTIALLY CORRESPONDING TO AN INTERFERENCE COMPONENT OF SAID FIRST SIGNAL; A PLURALITY OF FIRST MEANS EACH RESPECTIVELY RECEIVING AN INTERFERENCE SIGNAL FROM ONE OF SAID PLURALITY OF SECONDARY DIRECTIONAL ANTENNAE; SECOND MEANS FOR COMBINING THE SIGNALS RECEIVED BY SAID PLURALITY OF FIRST MEANS TO PRODUCE A RESULTANT SIGNAL; THIRD MEANS RESPONSIVE TO SAID FIRST AND SAID RESULTANT SIGNALS FOR DEVELOPING A REMAINDER SIGNAL REPRESENTING THE ALTERNATING CURRENT DIFFERENCE BETWEEN SAID FIRST SIGNAL AND SAID RESULTANT SIGNAL; A PLURALITY OF FOURTH MEANS EACH RESPECTIVELY COUPLED TO A DIFFERENT ONE OF SAID PLURALITY OF FIRST MEANS AND TO SAID FIRST ANTENNA AND EACH RESPONSIVE TO THE INTERFERENCE SIGNAL RECEIVED BY ITS ASSOCIATED FIRST MEANS AND THE CORRESPONDING INTERFERENCE COMPONENT OF SAID FIRST SIGNAL FOR DEVELOPING A TIMING CONTROL SIGNAL REPRESENTING THE TIMING DIFFERENCE BETWEEN SAID RECEIVED INTERFERENCE SIGNAL AND A RESPECTIVE INTERFERENCE COMPONENT OF SAID FIRST SIGNAL; A PLURALITY OF FIFTH MEANS EACH RESPECTIVELY COUPLED TO A DIFFERENT ONE OF SAID PLURALITY OF FIRST MEANS AND TO SAID THIRD MEANS, EACH FOR DEVELOPING AN AMPLITUDE CONTROL SIGNAL REPRESENTING THE AMPLITUDE DIFFERENCE BETWEEN SAID RECEIVED INTERFERENCE SIGNAL FROM ITS ASSOCIATED FIRST MEANS AND A RESPECTIVE INTERFERENCE COMPONENT OF SAID REMAINDER SIGNAL; AND CONTROL MEANS ASSOCIATED WITH EACH OF SAID PLURALITY OF FIRST MEANS AND EACH RESPONSIVE TO TIMING AND AMPLITUDE CONTROL SIGNALS ASSOCIATED THEREWITH FOR CONTROLLING THE TIMING AND AMPLITUDE OF THE INTERFERENCE SIGNAL RECEIVED BY THE ASSOCIATED ONE OF SAID PLURALITY OF FIRST MEANS SUCH THAT UPON SUBTRACTION OF SAID RESULTANT SIGNAL FROM SAID FIRST SIGNAL SAID INTERFERENCE COMPONENTS ARE SUBSTANTIALLY ELIMINATED FROM SAID REMAINDER SIGNAL.