Acquisition device for dual-frequency and multi-frequency microwave links to measure precipitation and measurement method based on this acquisition device
A microwave link and collection device technology, applied in measurement devices, rainfall/precipitation meters, signal transmission systems, etc., can solve the problems of collected data errors, staying, and using too many instruments.
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Embodiment 1
[0032] Such as figure 1 As shown, the acquisition device used for dual-frequency and multi-frequency microwave links to measure precipitation, the components of the acquisition device are as follows, at first there is a broadband signal generator 1, and a microwave electronic switch at the transmitting end connected to the broadband signal generator 2. The microwave electronic switch at the transmitting end is provided with n transmitting antennas 3 of different frequencies, and the transmitting antennas 3 are respectively connected to the electronic switch 2 at the transmitting end; secondly, there is a wideband signal spectrum analyzer 4, and a broadband signal spectrum analyzer 4 The receiving end microwave electronic switch 5 connected to the instrument 4, the receiving end microwave electronic switch 5 is provided with n receiving antennas 6 of different frequencies, the receiving antenna 6 corresponds to the transmitting antenna 3, and is connected to the receiving end m...
Embodiment 2
[0036] On the basis of Embodiment 1, we further disclose a microwave electronic switch controller, and configure the microwave electronic switch controller at the sending end and the receiving end respectively, thereby forming a microwave electronic switch controller 71 at the sending end, a receiving end Microwave electronic switch controller 72. In this embodiment, the microwave electronic switch controller can be implemented with a single-chip circuit, or a combination of a PC and peripheral circuits can be used to generate a timing square wave signal of 0~5V as the input control signal of the microwave electronic switch. The microwave electronic switch timing signals at the transmitter and receiver must be synchronized. In order to ensure the unified allocation of square wave signals, we can directly use the single-chip microcomputer for synchronization, or use a PC to connect multiple peripheral square wave transmitting circuits to the PC. wave transmitter circuit.
Embodiment 3
[0038] More preferably, on the basis of Embodiment 1 or Embodiment 2, we further disclose that the recorder 81 at the sending end and the recorder 82 at the receiving end are also included.
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