Dual-polarized single channel full-digital radio monitoring direction-finding mobile station system
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A radio monitoring, single-channel technology, applied in the direction of diversity/multi-antenna system, space transmit diversity, etc., can solve the problem of no dual-polarization system, can no longer meet the needs of digital communication signal monitoring, expensive and other problems, to achieve expansion Dynamic application range, cost-effective, enhanced feature analysis effect
Inactive Publication Date: 2009-07-29
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However they are only vertically polarized systems, not dual polarized systems, and are expensive
Equipment that can only monitor analog communication signals can no longer meet the needs of digital communication signal monitoring
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[0013] control attached figure 1 , its structure mainly includes the vertical polarization interferometer direction-finding antenna array A, the horizontal polarization interferometer direction-finding antenna array B, the vertical polarization monitoring antenna C, the horizontal polarization monitoring antenna D, the first electric rotary switch unit 1, the second Two rotary switch units 2, the first selector 3, UPS, the first three-function RF amplifier 5, the second three-function RF amplifier 6, radio frequency preprocessor 7, single-channel monitoring and direction-finding receiver 8, PC 9. Monitoring direction finding processor 10, second selector 11, first RF amplifier 12, nth RF amplifier 13, router 14, battery pack or mains power 15, vehicle head orientation indicator 16, printer 17, electronic compass 18. GPS.
[0014] The connection relationship among them: the direction-finding antenna array A of the vertical polarization interferometer, the direction-finding ant...
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Abstract
The present invention is a dual-polarization single-channel all-digital radio monitoring and direction-finding mobile station system, including a vertical polarization interferometer direction-finding antenna array, a horizontal polarization interferometer direction-finding antenna array, a vertical polarization monitoring antenna, and a horizontal polarization monitoring antenna , the first rotary switch unit, the second rotary switch unit, the first selector, the first three-function RF amplifier, the second three-function RF amplifier, RF preprocessor, single-channel monitoring direction-finding receiver, PC Machine, monitoring and direction finding processor, second selector, first RF amplifier, nth RF amplifier, inverter power supply, head position indicator, GPS, electronic compass, printer, router. Advantages: The composite active dual-polarization interferometer direction-finding antenna array is used to solve the problem of mutual coupling between antenna array elements. A pair of antenna elements are sampled at the same time to ensure synchronization, fast and accurate. The RF preprocessor is used for phase / amplitude / phase conversion and storage of the RF signal. Amplifier with amplification, straight-through, and attenuation functions, automatic switching, expanding the dynamic application range of received signals, high direction finding accuracy and sensitivity, stable and reliable, and excellent cost performance.
Description
technical field [0001] The invention relates to a dual-polarization single-channel all-digital radio monitoring and direction-finding mobile station system, belonging to the technical field of array signal digital processing and direction-finding in communication technology. Background technique [0002] With the deepening of radio management work, some low-end user markets need economical and affordable monitoring equipment, so a system represented by the DDF190 system of German R / S company appeared, which uses a single-channel receiver to realize monitoring and direction finding. . However, they are only vertically polarized systems, not dual polarized systems, and are expensive. Equipment that can only monitor analog communication signals can no longer meet the needs of digital communication signal monitoring. Contents of the invention [0003] The purpose of the present invention is to propose a dual-polarization single-channel all-digital radio monitoring and direct...
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