Double-waveband microwave signal detection device

• Main Authors: QIU SHAOJUN, WANG YA, HU ZHIYOU, YU YONGJUN
• Format: Patent
• Language: Chinese; English
• Published: 14.05.2019
• Subjects: ANALOGOUS ARRANGEMENTS USING OTHER WAVES; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES; MEASURING; PHYSICS; RADIO DIRECTION-FINDING; RADIO NAVIGATION; TESTING

The invention provides a double-waveband microwave signal detection device, which comprises a first waveband band-pass filter, a second waveband band-pass filter, a first waveband numerical control attenuator, a second waveband numerical control attenuator, a signal detection unit and a real-time control unit, wherein the first waveband numerical control attenuator is connected with the first waveband band-pass filter; the second waveband numerical control attenuator is connected with the second waveband band-pass filter; the signal detection unit is used for carrying out wave detection to obtain a modulation signal from an attenuated input signal; and the real-time control unit is connected with the signal detection unit and is used for controlling the signal detection unit to be selectively connected with the first waveband numerical control attenuator or the second waveband numerical control attenuator and carrying out frequency measurement and output on the modulation signal obtained by wave detection. By