CN104301053A - Frequency spectrum monitoring device capable of effectively evading radio interference - Google Patents
Frequency spectrum monitoring device capable of effectively evading radio interference Download PDFInfo
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- CN104301053A CN104301053A CN201410595651.XA CN201410595651A CN104301053A CN 104301053 A CN104301053 A CN 104301053A CN 201410595651 A CN201410595651 A CN 201410595651A CN 104301053 A CN104301053 A CN 104301053A
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Abstract
The invention discloses a frequency spectrum monitoring device capable of effectively evading radio interference. The frequency spectrum monitoring device comprises a monitoring antenna, a monitoring receiver, a frequency spectrum analyzing device, a data diverter arranged between the monitoring receiver and the frequency spectrum analyzing device, a signal amplifier arranged between the monitoring antenna and the monitoring receiver, and a signal filter arranged between the signal amplifier and the monitoring receiver. The frequency spectrum analyzing device is used for analyzing frequency spectrum data received by the monitoring receiver according to the preset analysis bandwidth and the center frequency so that the scanning frequency spectrum range of a signal can be obtained, whether the signal frequency point exceeds the threshold value or not is determined according to the scanning frequency spectrum range and the preset threshold value, and when the signal frequency point exceeds the threshold value, it is determined that interference exists, and accordingly the frequency band where the frequency point is located is removed according to the set interference removing bandwidth; when the signal frequency point is in the threshold value range, the frequency band meeting the requirement is obtained according to the set frequency band width.
Description
Technical field
The present invention relates to radio spectrum analysis technical field, particularly relate to one and effectively evade the wireless spectrum monitoring device of interference.
Background technology
At space flight measurement and control, under the electromagnetic environment of UAV TT & C and Modem radio observing and controlling complexity, because frequency spectrum resource is densely distributed, system, in complex environment system, effectively cannot be evaded causing the radio of interference.
Meanwhile, because equipment volume in prior art is comparatively large, carry also inconvenience, Consumer's Experience is poor.
Summary of the invention
The embodiment of the present invention effectively evades the wireless spectrum monitoring device of interference by providing one, solve in prior art, under the electromagnetic wave environment of complexity, cannot to the technical problem causing the radio of interference effectively to evade, and then achieve can effectively to the technique effect that the radio of interference is evaded.
Embodiments provide one and effectively evade the wireless spectrum monitoring device of interference, comprise: monitoring aerial, monitoring receiver and arrangements for analyzing frequency, wherein, monitoring aerial comprises antenna element and first circuit board and second circuit board, antenna element is arranged on first circuit board, second circuit board and first circuit board are overlapped by connector, and, electric current is applied to monitoring aerial by described connector control first circuit board and second circuit board and generation current distributes, data distribution device is also comprised between monitoring receiver and arrangements for analyzing frequency, the data-signal that monitoring receiver receives is shunted, thus obtain the preconditioned data signal corresponding to setting band limits, also signal amplifier is comprised between monitoring aerial and monitoring receiver, the data-signal received monitoring aerial carries out amplification and is resent to monitoring receiver, between signal amplifier and monitoring receiver, also comprise traffic filter, signal filtering is carried out to the signal after amplifying,
Arrangements for analyzing frequency is analyzed according to the analysis bandwidth sum centre frequency preset the signal received by monitoring receiver, thus obtain the scanning spectral range of signal, according to the spectral range of scanning, and the threshold value preset, determine whether signal frequency point exceedes threshold value, when exceeding threshold value, determine disturbed, thus according to the interference rejecting bandwidth of setting, the frequency range at frequency place is rejected; When signal frequency point is within the scope of threshold value, be met the frequency range of requirement according to the bin width of setting.
Further, connector extends from the side in the region of first circuit board and second circuit board overlap towards opposite side and is electrically connected with first circuit board and second circuit board.
Further, arrangements for analyzing frequency obtains signal frequency point in analysis and exceedes threshold value, rejects bandwidth by after the rejecting of the frequency range at frequency place, carry out threshold value judgement to next frequency in sweep limits according to the interference of setting.
The one or more technical schemes provided in the embodiment of the present invention, at least have following technique effect or advantage:
1, the wireless spectrum monitoring device of interference is effectively evaded owing to have employed one, comprise: monitoring aerial, monitoring receiver and arrangements for analyzing frequency, wherein, monitoring aerial comprises antenna element and first circuit board and second circuit board, and antenna element is arranged on first circuit board, and second circuit board and first circuit board are overlapped by connector, and electric current is applied to monitoring aerial by described connector control first circuit board and second circuit board and generation current distributes; Between monitoring receiver and arrangements for analyzing frequency, also comprise data distribution device, the data-signal that monitoring receiver receives is shunted, thus obtain the preconditioned data signal corresponding to setting band limits; Also signal amplifier is comprised between monitoring aerial and monitoring receiver, the data-signal received monitoring aerial carries out amplification and is resent to monitoring receiver, between signal amplifier and monitoring receiver, also comprise traffic filter, signal filtering is carried out to the signal after amplifying; Arrangements for analyzing frequency is analyzed according to the analysis bandwidth sum centre frequency preset the signal received by monitoring receiver, thus obtain the scanning spectral range of signal, according to the spectral range of scanning, and the threshold value preset, determine whether signal frequency point exceedes threshold value, when exceeding threshold value, determine disturbed, thus according to the interference rejecting bandwidth of setting, the frequency range at frequency place is rejected; When signal frequency point is within the scope of threshold value, the frequency range of requirement is met according to the bin width of setting, so, solve in prior art, when electromagnetic wave environment is complicated, cannot to the technical problem causing the radio of interference effectively to evade, and then achieve can effectively to the technique effect that the radio of interference is evaded.
2, because the monitoring aerial adopted comprises antenna element and first circuit board and second circuit board, antenna element is arranged on first circuit board, second circuit board and first circuit board are overlapped by connector, and, electric current is applied to monitoring aerial by described connector control first circuit board and second circuit board and generation current distributes, thus improves antenna performance, improves the efficiency receiving radio-frequency spectrum.
Accompanying drawing explanation
Fig. 1 effectively evades the module diagram disturbing wireless spectrum monitoring device in the embodiment of the present invention.
Embodiment
The embodiment of the present invention effectively evades the wireless spectrum monitoring device of interference by providing one, solve in prior art, under the electromagnetic wave environment of complexity, cannot to the technical problem causing the radio of interference effectively to evade, and then achieve can effectively to the technique effect that the radio of interference is evaded.
In order to solve above-mentioned to the technical problem causing the radio of interference effectively to evade, cannot being described in detail technique scheme below in conjunction with Figure of description and concrete execution mode.
As shown in Figure 1, this effectively evade interference wireless spectrum monitoring device comprise: monitoring aerial 101, monitoring receiver 102, and arrangements for analyzing frequency 103.
Wherein, monitoring aerial 101 comprises antenna element and first circuit board and second circuit board, antenna element is arranged on first circuit board, second circuit board and first circuit board are overlapped by connector, and electric current is applied to monitoring aerial by described connector control first circuit board and second circuit board and generation current distributes; Connector extends from the side in the region of first circuit board and second circuit board overlap towards opposite side and is electrically connected with first circuit board and second circuit board.Adopt such monitoring aerial 101, the characteristic of antenna is improved, thus improve the efficiency receiving radio-frequency spectrum.
Wherein, between monitoring receiver 102 and frequency spectrum grading plant 103, also comprise data distribution device 104, the frequency spectrum data that this data distribution device 104 pairs of monitoring receivers 102 receive is shunted, thus obtains the preprocessed data corresponding to setting band limits; Signal amplifier 105 and traffic filter 106 is comprised successively between monitoring aerial 101 and monitoring receiver, wherein, the frequency spectrum data that signal amplifier 105 pairs of monitoring aerials 101 receive amplifies, and traffic filter 106 carries out filtering to the frequency spectrum data after amplifying, thus obtain the higher frequency spectrum data of signal to noise ratio.
The frequency spectrum data received is monitored frequency range in monitoring range according to parameter configuration by monitoring receiver 102 one by one, after a monitoring tasks carrying, carry out the monitoring of next task voluntarily, until selected task all terminates, after each monitoring task is complete, the analog signal of catching shows by monitoring receiver 102 in digital form, and signal is transmitted through the network to arrangements for analyzing frequency in digital form
This arrangements for analyzing frequency 103 carries out analysis to the frequency spectrum data received according to the analysis bandwidth sum centre frequency preset and obtains range of scanned frequencies.When getting the center frequency point of frequency spectrum data, the sweep limits of signal can be determined according to the analysis bandwidth of delimiting, analyze the bandwidth scope that more exposes thoroughly wider, analyze the less sweep limits of bandwidth narrower, analyze by delimiting the scanning density that bandwidth monitors frequency spectrum, and centre frequency determines the sweep limits of frequency according to the width of channel.
This arrangements for analyzing frequency is to the frequency range of scanning, whether threshold value is exceeded according to the threshold value determination signal frequency point preset, if exceed threshold value, confirm that frequency is disturbed, reject bandwidth according to the interference of setting the frequency range at frequency place is rejected, and threshold value judgement is proceeded to next frequency of sweep limits, if frequency is within the scope of threshold value, the channel size according to setting draws the frequency range met the demands.
After the sweep limits of the genuine frequency of arrangements for analyzing frequency 103, according to the threshold value set as reference level, interfere information is confirmed by the reference level of setting, when finding that frequency is disturbed, reject bandwidth according to interference disturbed frequency is got rid of, then continue to search for successively from the available frequency of the next one, when not finding noise spot within the scope of setting frequency range, determine that this frequency range meets channel requirement, preserve into data queue as available channel, the channel quantity obtained as required is foundation, data queue preserves increased number of available channels results and reports display one by one.
By above-mentioned technical scheme, effectively the radio of interference is evaded.
Although describe the preferred embodiments of the present invention, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of the scope of the invention.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from this
Bright spirit and scope.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (3)
1. effectively evade the wireless spectrum monitoring device of interference for one kind, it is characterized in that, comprise: monitoring aerial, monitoring receiver and arrangements for analyzing frequency, wherein, monitoring aerial comprises antenna element and first circuit board and second circuit board, and antenna element is arranged on first circuit board, and second circuit board and first circuit board are overlapped by connector, and electric current is applied to monitoring aerial by described connector control first circuit board and second circuit board and generation current distributes; Between monitoring receiver and arrangements for analyzing frequency, also comprise data distribution device, the data-signal that monitoring receiver receives is shunted, thus obtain the preprocessed data corresponding to setting band limits; Also signal amplifier is comprised between monitoring aerial and monitoring receiver, the frequency spectrum data received monitoring aerial carries out amplification and is resent to monitoring receiver, between signal amplifier and monitoring receiver, also comprise traffic filter, filtering is carried out to the frequency spectrum data after amplifying;
Arrangements for analyzing frequency is analyzed according to the analysis bandwidth sum centre frequency preset the frequency spectrum data received by monitoring receiver, thus obtain the scanning spectral range of signal, according to the spectral range of scanning, and the threshold value preset, determine whether signal frequency point exceedes threshold value, when exceeding threshold value, determine disturbed, thus according to the interference rejecting bandwidth of setting, the frequency range at frequency place is rejected; When signal frequency point is within the scope of threshold value, be met the frequency range of requirement according to the bin width of setting.
2. according to claim 1 effectively evading disturbs wireless spectrum monitoring device, it is characterized in that, connector extends from the side in the region of first circuit board and second circuit board overlap towards opposite side and is electrically connected with first circuit board and second circuit board.
3. according to claim 1 effectively evading disturbs wireless spectrum monitoring device, it is characterized in that, monitoring receiver, monitoring one by one the frequency range in monitoring range according to parameter configuration, after a monitoring task completes, automatically performs the monitoring of next task.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410595651.XA CN104301053A (en) | 2014-10-30 | 2014-10-30 | Frequency spectrum monitoring device capable of effectively evading radio interference |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410595651.XA CN104301053A (en) | 2014-10-30 | 2014-10-30 | Frequency spectrum monitoring device capable of effectively evading radio interference |
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| CN104301053A true CN104301053A (en) | 2015-01-21 |
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| CN201410595651.XA Pending CN104301053A (en) | 2014-10-30 | 2014-10-30 | Frequency spectrum monitoring device capable of effectively evading radio interference |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108810923A (en) * | 2017-05-04 | 2018-11-13 | 展讯通信（上海）有限公司 | AFH interferes the judgment method and device, computer readable storage medium, receiver of frequency point |
| CN110445556A (en) * | 2019-07-30 | 2019-11-12 | 成都安杰联科技有限公司 | A kind of device and method of detection and positioning ETC interference unit |
| CN112511479A (en) * | 2019-09-16 | 2021-03-16 | 郑州宇通客车股份有限公司 | Carrier communication method |
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| JP2000196503A (en) * | 1998-12-28 | 2000-07-14 | Nec Corp | Reception monitor |
| CN102130733A (en) * | 2011-04-19 | 2011-07-20 | 中国电子科技集团公司第五十四研究所 | Radio spectrum sensing realization method |
| CN102334234A (en) * | 2009-02-25 | 2012-01-25 | 日本电气株式会社 | Radio |
| CN204231369U (en) * | 2014-10-30 | 2015-03-25 | 成都新光微波工程有限责任公司 | One effectively evades the wireless spectrum monitoring device of interference |
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2014
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2000196503A (en) * | 1998-12-28 | 2000-07-14 | Nec Corp | Reception monitor |
| CN102334234A (en) * | 2009-02-25 | 2012-01-25 | 日本电气株式会社 | Radio |
| CN102130733A (en) * | 2011-04-19 | 2011-07-20 | 中国电子科技集团公司第五十四研究所 | Radio spectrum sensing realization method |
| CN204231369U (en) * | 2014-10-30 | 2015-03-25 | 成都新光微波工程有限责任公司 | One effectively evades the wireless spectrum monitoring device of interference |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108810923A (en) * | 2017-05-04 | 2018-11-13 | 展讯通信（上海）有限公司 | AFH interferes the judgment method and device, computer readable storage medium, receiver of frequency point |
| CN110445556A (en) * | 2019-07-30 | 2019-11-12 | 成都安杰联科技有限公司 | A kind of device and method of detection and positioning ETC interference unit |
| CN110445556B (en) * | 2019-07-30 | 2022-03-22 | 成都安杰联科技有限公司 | Device and method for detecting and positioning ETC (electronic toll Collection) interference unit |
| CN112511479A (en) * | 2019-09-16 | 2021-03-16 | 郑州宇通客车股份有限公司 | Carrier communication method |
| CN112511479B (en) * | 2019-09-16 | 2023-05-09 | 宇通客车股份有限公司 | Carrier communication method |
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