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发明背景本发明是关于雷达、声纳和类似的信号接收系统的信号处理机,特别是关于控制上述系统中干扰和其它噪声的旁瓣相消电路。特别应强调的是本发明是美国专利3,202,990中发表的基本中频旁瓣相消电路的改进,3,202.990是1965年8月24日发表的,P.W.Howells被指定为当时提出申请的受托者。
BACKGROUND OF THE INVENTION The present invention relates to signal processors for radar, sonar, and similar signal receiving systems and, in particular, to sidelobe canceling circuits for controlling interference and other noises in such systems. In particular, it should be emphasized that the present invention is an improvement of the basic IF sidelobe cancellation circuit disclosed in U.S. Patent 3,202,990, issued August 24, 1965, P.W. Houells was designated as the trustee for the time being filed.