Wideband transient complex electromagnetic frequency spectrum monitor
A complex electromagnetic and spectrum monitoring technology, applied in the field of spatially complex electromagnetic spectrum monitoring, can solve the problems of narrow monitoring frequency band, failure to meet application scenarios and technical requirements, poor effectiveness, etc., and achieve the effect of improving monitoring rate and monitoring bandwidth
Active Publication Date: 2017-02-22
UNIV OF ELECTRONICS SCI & TECH OF CHINA
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Problems solved by technology
However, the traditional monitoring system has problems such as narrow monitoring frequency band and poor effectiveness, and cannot meet new application scenarios and technical requirements.
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[0030] A broadband transient complex electromagnetic monitor, including an antenna system, a multi-channel receiving system, a multi-channel low-frequency receiving system and a parallel cooperative processing system, the multi-channel receiving system amplifies the received complex electromagnetic target signal and processes the signal in parallel; The multi-channel low-frequency receiving system performs corresponding spectrum scanning and detection processing on the information provided by the multi-channel receiving system; the parallel cooperative processing system coordinates and distributes the work of the antenna system, multi-channel receiving system and multi-channel low-frequency receiving system.
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The invention discloses a wideband transient complex electromagnetic frequency spectrum monitor. The wideband transient complex electromagnetic frequency spectrum monitor comprises an antenna system for receiving a complex electromagnetic target signal; a multi-channel receiving system for performing amplification and signal grading parallel processing on the received complex electromagnetic target signal; a multi-channel low-frequency narrow-band receiving system for performing the corresponding frequency spectrum scanning and detection processing on the low-frequency narrow-band signal provided by the multi-channel receiving signal; a parallel cooperative processing system for distributing the work of the antenna system, the multi-channel receiving system and the multi-channel low-frequency narrow-band receiving system in coordination. The detector disclosed by the invention can monitor the electromagnetic frequency spectrum in real time within a ultra-wide frequency band range.
Description
technical field [0001] The invention relates to the technical field of space complex electromagnetic spectrum monitoring, in particular to a broadband transient complex electromagnetic spectrum monitor. Background technique [0002] Traditional electromagnetic spectrum monitoring systems can be divided into: 1. Single-channel superheterodyne receiver: only one signal can be received at a time, and full-band monitoring is realized by tuning the local oscillator signal back and forth in the entire frequency band. The speed is slow and the real-time performance is extremely poor. , limited by the local oscillator signal, the possibility of realizing ultra-wideband scanning channel by channel is almost zero; 2. Analog multi-channel receiver: the analog terminal is parallel and multi-channel, and receives at the same time, without the need for local oscillator signal to tune back and forth, so the real-time performance is very good. Its disadvantages are that the bandwidth of the...
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IPC IPC(8): H04B17/309
CPCH04B17/309
Inventor 马凯学胡建全孔令旭牟首先
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA