(t) and Q
(t); performing amplitude detection on the filtered mixed signals, and outputting a corresponding compensation coefficient Gain by the variable gain amplifier according to an amplitude detection result; compensating the mixing result I
(t) to obtain a compensated mixing result I<Pamp>(t); and evaluating and outputting the actual value A(t) of a filtered and compensated signal amplitude according to Q
(t) and I<Pamp>(t). According to the method for suppressing the pulse modulation continuous wave interference ofthe notch filter assisted by the variable gain amplifier, a traditional notch filter is assisted by the variable gain amplifier to achieve effective suppression for pulse modulation continuous wave interference, and can compensate for lost useful signals, which provides a basis for subsequent high-precision tracking and positioning.
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