Interferometric receiver for electromagnetic signals

Details Interferometric receiver for electromagnetic signals Interferometric receiver for electromagnetic signals

1987-04-22

1999-04-13

Blum, Theodore M.

Communications: directive radio wave systems and devices (e.g.,

Directive

Beacon or receiver

455275, G01S 504

Patent

active

058942866

ABSTRACT:
An interferometric receiver for electromagnetic signals comprises at least two reception channels. Each channel consists of an antenna (A1), followed by a single sideband mixer (M12) and a mixer (M14).
As a local signal, the mixer (M14) receives a signal similar to the received signals, taken, for example, from an auxiliary antenna (AR) followed by a limiting amplifier (ALR). The first mixer (M12) receives a frequency from a generator (GFI), which frequency is equal to the value of the intermediate frequency used in the stages (FI1) of this type following the mixer (M14). A phase processing can then be carried out and different countermeasures taken, the simplest of which is a visualization (VI).

REFERENCES:
patent: 4160252 (1979-07-01), Lucas et al.

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