CN101662328A - Portable ultrashort wave frequency hopping radio station performance detector - Google Patents
Portable ultrashort wave frequency hopping radio station performance detector Download PDFInfo
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Abstract
The invention discloses a portable ultrashort wave frequency hopping radio station performance detector, which comprises a coupler connected with a tested station, wherein a small part of signals transmitted by a high-power transmitting radio station are coupled and sent to a radio frequency processing module through a coupling end of the coupler; the radio frequency processing module cuts the frequency band by using various filters and sends the obtained radio frequency signal frequency group to the data acquisition card; the data acquisition card carries out digital processing on the obtained radio frequency signal frequency group; the control board performs short-time FFT conversion on baseband signals from the data acquisition card, then calculates parameters, and sends results to an external touch screen for display. The radio technology of the application software realizes miniaturization, modularization and universalization, integrates partial functions of instruments such as an oscilloscope, a frequency spectrograph and a modulation domain analyzer, and can finish automatic measurement of indexes such as channel switching time, frequency hopping rate, frequency hopping bandwidth and frequency hopping frequency set of short-wave and ultrashort-wave frequency hopping radio stations.
Description
Technical field
The present invention relates to digital processing field, especially relate to a kind of performance detector of portable ultrashort wave frequency hopping station.
Background technology
Present stage adopts integrated test system or frequency spectrograph, oscilloscope, Modulation analysis instrument etc. to concentrate together at the detection of frequency hopping radio set more and detects, and not only number of devices is many but also bulky during detection, and perhaps measuring accuracy does not often reach desirable requirement.There is not a kind of portable frequency hopping radio set performance detector that integrates multiple kind of functions such as frequency spectrograph, oscilloscope, Modulation analysis instrument.
Summary of the invention
The objective of the invention is to overcome the defective of prior art, a kind of function of integrating instruments such as oscilloscope, frequency spectrograph, modulating domain analyzing instrument is provided, can finishes the performance detector of portable ultrashort wave frequency hopping station of the automatic measurement of indexs such as channel switching time to shortwave, ultrashort wave frequency hopping station, frequency hopping rate, frequency hopping bandwidth, frequency hopping frequency set.
The object of the present invention is achieved like this:
Performance detector of portable ultrashort wave frequency hopping station, comprise the coupler that is connected with tested radio station, the signal of high-power transmitting station emission is coupled out a fraction of signal sends into the radio frequency processing module by its coupled end, its degree of coupling is generally between 40dB～60dB, and it guarantees that detecting instrument can not burnt out by high-power signal; Radio frequency processing module utilization various filters is cut apart frequency range, so that the processing of rear end equipment, also can alleviate the pressure of back-end processing, and the radio frequency processing module is sent the radio frequency signal frequency group that obtains into data collecting card; Data collecting card carries out digitized processing with the radio frequency signal frequency group that obtains; Control board is made short time FFT transform to the baseband signal from data collecting card, calculating parameter then, and the result send on the external touch and shows.
Described data collecting card comprises analog to digital converter, digital down converter and the field programmable gate array that connects successively, analog to digital converter carries out bandpass sampling with the radio frequency signal frequency group of input, obtain the if sampling signal, digital down converter fades to base band with digitized if sampling signal, obtain I, the Q data of quadrature, carry out base band signal process by field programmable gate array, the gained baseband signal is sent into control board.
Beneficial effect of the present invention:
Performance detector of portable ultrashort wave frequency hopping station application software radiotechnics of the present invention, miniaturization, modularization, generalization have been realized, integrate the partial function of instruments such as oscilloscope, frequency spectrograph, modulating domain analyzing instrument, can finish the automatic measurement of indexs such as channel switching time to shortwave, ultrashort wave frequency hopping station, frequency hopping rate, frequency hopping bandwidth, frequency hopping frequency set.
Description of drawings
The present invention will illustrate by example and with reference to the mode of accompanying drawing, wherein:
Fig. 1 is a system configuration schematic diagram of the present invention.
Embodiment
Disclosed all features in this specification, or the step in disclosed all methods or the process except mutually exclusive feature and/or step, all can make up by any way.
Disclosed arbitrary feature in this specification (comprising any accessory claim, summary and accompanying drawing) is unless special narration all can be replaced by other equivalences or the alternative features with similar purpose.That is, unless special narration, each feature is an example in a series of equivalences or the similar characteristics.
Performance detector of portable ultrashort wave frequency hopping station, shown in accompanying drawing 1, comprise the coupler that is connected with tested radio station, the signal of high-power transmitting station emission is coupled out a fraction of signal sends into the radio frequency processing module by its coupled end, its degree of coupling is 50dB, and it guarantees that detecting instrument can not burnt out by high-power signal; Radio frequency processing module in the present embodiment is divided frequency range as shown in table 1 below by filter:
| Frequency range | Passband low side frequency (MHz) | The high-end frequency of passband (MHz) | Sample rate (MHz) | Transition band low side bandwidth (MHz) | The high-end bandwidth of transition band (MHz) |
| ??1 | ??0 | ??30 | ??65 | ??----------- | ??5 |
| ??2 | ??30 | ??44 | ??50 | ??10 | ??12 |
| ??3 | ??43 | ??58 | ??65 | ??21 | ??14 |
| ??4 | ??57 | ??64 | ??50 | ??14 | ??22 |
| ??5 | ??63 | ??71 | ??55 | ??16 | ??23 |
| ??6 | ??70 | ??79 | ??60 | ??20 | ??22 |
| ??7 | ??78 | ??88 | ??65 | ??26 | ??19 |
Table 1
Data collecting card carries out digitized processing with the radio frequency signal frequency group that obtains; Data collecting card comprises analog to digital converter, digital down converter and the field programmable gate array that connects successively, analog to digital converter carries out bandpass sampling with the radio frequency signal frequency group of input, sample frequency is that 65MHz obtains the if sampling signal, digital down converter fades to base band with digitized if sampling signal, obtain I, the Q data of quadrature, carry out base band signal process by field programmable gate array, the gained baseband signal is sent into control board.Control board is made short time FFT transform to the baseband signal from data collecting card, calculating parameter then, and the result send on the external touch and shows.
It is the S3C2410X flush bonding processor of core that control board is selected for use with ARM920T, and ARM9 series processors main feature is as follows: support 32 ARM instruction set and 16 Thumb instruction set; 5 level production lines; 32 single AMBA bus interface; MMU supports WindowsCE; PalmOS, Symbian OS, Linux etc., MPU supports real time operating system, comprises Vxworks; Unified Data Cache and instruction Cache.ARM920T nuclear is made up of ARM9TDMI, memory management unit (MMU) and high-speed cache three parts.Wherein MMU can the managing virtual internal memory, and high-speed cache is by independently 16KB address and 16KB data high-speed Cache form.Touch-screen on the control board adopts 8 " touch-screen.If when the spectral characteristic of detection signal, the frequency hopping radio set performance detector can detect the frequency and the amplitude size of measured signal automatically after start, can reach the function of frequency spectrograph substantially.
The present invention is not limited to aforesaid embodiment.The present invention expands to any new feature or any new combination that discloses in this manual, and the arbitrary new method that discloses or step or any new combination of process.
Claims (3)
1. performance detector of portable ultrashort wave frequency hopping station comprises the coupler that is connected with tested radio station, the signal of high-power transmitting station emission is coupled out a fraction of signal sends into the radio frequency processing module by its coupled end; Radio frequency processing module utilization various filters is cut apart frequency range, and the radio frequency signal frequency group that obtains is sent into data collecting card; Data collecting card carries out digitized processing with the radio frequency signal frequency group that obtains; Control board is made short time FFT transform to the baseband signal from data collecting card, calculating parameter then, and the result send on the external touch and shows.
2. performance detector of portable ultrashort wave frequency hopping station according to claim 1, it is characterized in that: described data collecting card comprises the analog to digital converter that connects successively, digital down converter and field programmable gate array, analog to digital converter carries out bandpass sampling with the radio frequency signal frequency group of input, obtain the if sampling signal, digital down converter fades to base band with digitized if sampling signal, obtain the I of quadrature, the Q data, carry out base band signal process by field programmable gate array, programmable gate array software carries out data analysis, and the gained baseband signal is sent into control board.
3. performance detector of portable ultrashort wave frequency hopping station according to claim 1 is characterized in that: described control board utilization ARM chip is realized user interface as primary processor.
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| CN200910307535A CN101662328A (en) | 2009-09-23 | 2009-09-23 | Portable ultrashort wave frequency hopping radio station performance detector |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102075269A (en) * | 2010-12-24 | 2011-05-25 | 北京航空航天大学 | Method for measuring hopping speed and frequency conversion time of high-speed frequency-hopping signals |
| CN102315890A (en) * | 2011-09-28 | 2012-01-11 | 吴成海 | Frequency hopping performance detection card type structure module based on PXI bus |
| CN103368672A (en) * | 2013-07-10 | 2013-10-23 | 利尔达科技集团股份有限公司 | Portable wireless channel analyzer and wireless channel quality inspection method |
| CN103530213A (en) * | 2012-07-06 | 2014-01-22 | 成都林海电子有限责任公司 | Testing device of modulator based on PCI bus interface |
| CN104683049A (en) * | 2014-12-10 | 2015-06-03 | 中国人民解放军63888部队 | Ultra-short wave channel state sensing device based on energy detection |
| CN104883204A (en) * | 2015-05-26 | 2015-09-02 | 南昌大学 | Short-wave frequency hopping communication system based on general software radio platform |
| CN104936196A (en) * | 2015-06-25 | 2015-09-23 | 苏州市英富美欣科技有限公司 | 2.4G frequency band based gateway installation site acquisition method |
| CN105050098A (en) * | 2015-06-25 | 2015-11-11 | 苏州市英富美欣科技有限公司 | Network node networking method based on 2.4G frequency band |
| CN105162537A (en) * | 2015-06-25 | 2015-12-16 | 苏州市英富美欣科技有限公司 | Interactive hand-held terminal based on 2.4G frequency band |
| CN105915238A (en) * | 2016-06-24 | 2016-08-31 | 中国人民解放军63888部队 | Radio monitoring device |
| CN109379311A (en) * | 2018-09-30 | 2019-02-22 | 中国人民解放军战略支援部队信息工程大学 | Ultrashort wave signal specific recognition methods based on convolutional neural networks |
| CN111884677A (en) * | 2020-07-22 | 2020-11-03 | 中国人民解放军国防科技大学 | Method and device for testing frequency hopping rate in built-in test of frequency hopping communication equipment |
-
2009
- 2009-09-23 CN CN200910307535A patent/CN101662328A/en active Pending
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102075269A (en) * | 2010-12-24 | 2011-05-25 | 北京航空航天大学 | Method for measuring hopping speed and frequency conversion time of high-speed frequency-hopping signals |
| CN102315890A (en) * | 2011-09-28 | 2012-01-11 | 吴成海 | Frequency hopping performance detection card type structure module based on PXI bus |
| CN102315890B (en) * | 2011-09-28 | 2015-05-13 | 吴成海 | Frequency hopping performance detection card type structure module based on PXI bus |
| CN103530213B (en) * | 2012-07-06 | 2015-06-17 | 成都林海电子有限责任公司 | Testing device of modulator based on PCI bus interface |
| CN103530213A (en) * | 2012-07-06 | 2014-01-22 | 成都林海电子有限责任公司 | Testing device of modulator based on PCI bus interface |
| CN103368672A (en) * | 2013-07-10 | 2013-10-23 | 利尔达科技集团股份有限公司 | Portable wireless channel analyzer and wireless channel quality inspection method |
| CN104683049B (en) * | 2014-12-10 | 2017-05-31 | 中国人民解放军63888部队 | A kind of ultrashort wave channel status sensing device based on energy measuring |
| CN104683049A (en) * | 2014-12-10 | 2015-06-03 | 中国人民解放军63888部队 | Ultra-short wave channel state sensing device based on energy detection |
| CN104883204A (en) * | 2015-05-26 | 2015-09-02 | 南昌大学 | Short-wave frequency hopping communication system based on general software radio platform |
| CN104936196A (en) * | 2015-06-25 | 2015-09-23 | 苏州市英富美欣科技有限公司 | 2.4G frequency band based gateway installation site acquisition method |
| CN105050098A (en) * | 2015-06-25 | 2015-11-11 | 苏州市英富美欣科技有限公司 | Network node networking method based on 2.4G frequency band |
| CN105162537A (en) * | 2015-06-25 | 2015-12-16 | 苏州市英富美欣科技有限公司 | Interactive hand-held terminal based on 2.4G frequency band |
| CN105162537B (en) * | 2015-06-25 | 2017-09-19 | 苏州市英富美欣科技有限公司 | A kind of interactive hand-held terminal based on 2.4G frequency ranges |
| CN104936196B (en) * | 2015-06-25 | 2018-05-01 | 苏州市英富美欣科技有限公司 | Gateway installation site acquisition methods based on 2.4G frequency ranges |
| CN105050098B (en) * | 2015-06-25 | 2019-02-01 | 苏州市英富美欣科技有限公司 | The network-building method of network node based on 2.4G frequency range |
| CN105915238A (en) * | 2016-06-24 | 2016-08-31 | 中国人民解放军63888部队 | Radio monitoring device |
| CN109379311A (en) * | 2018-09-30 | 2019-02-22 | 中国人民解放军战略支援部队信息工程大学 | Ultrashort wave signal specific recognition methods based on convolutional neural networks |
| CN109379311B (en) * | 2018-09-30 | 2021-08-17 | 中国人民解放军战略支援部队信息工程大学 | Ultra-short wave specific signal identification method based on convolutional neural network |
| CN111884677A (en) * | 2020-07-22 | 2020-11-03 | 中国人民解放军国防科技大学 | Method and device for testing frequency hopping rate in built-in test of frequency hopping communication equipment |
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Application publication date: 20100303 |