CN106771653A - A kind of sudden and violent real-time detection devices, systems and methods of Rapid Radio - Google Patents

A kind of sudden and violent real-time detection devices, systems and methods of Rapid Radio Download PDF

Info

Publication number
CN106771653A
CN106771653A CN201611063812.6A CN201611063812A CN106771653A CN 106771653 A CN106771653 A CN 106771653A CN 201611063812 A CN201611063812 A CN 201611063812A CN 106771653 A CN106771653 A CN 106771653A
Authority
CN
China
Prior art keywords
violent
sudden
rapid radio
radio
real
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201611063812.6A
Other languages
Chinese (zh)
Other versions
CN106771653B (en
Inventor
裴鑫
李健
陈卯蒸
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xinjiang Astronomical Observatory of CAS
Original Assignee
Xinjiang Astronomical Observatory of CAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xinjiang Astronomical Observatory of CAS filed Critical Xinjiang Astronomical Observatory of CAS
Priority to CN201611063812.6A priority Critical patent/CN106771653B/en
Publication of CN106771653A publication Critical patent/CN106771653A/en
Application granted granted Critical
Publication of CN106771653B publication Critical patent/CN106771653B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R29/00Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar Systems Or Details Thereof (AREA)

Abstract

The invention provides a kind of sudden and violent real-time detection devices, systems and methods of Rapid Radio, the sudden and violent real-time detection device of Rapid Radio includes that data acquisition is searched and memory cell and search result release quickly unit with pretreatment unit, in real time, search in real time and utilize shared drive buffer technology with memory cell, the shared multi-task parallel that realizes by data in each intermodule is processed, improve processing speed, the effect that Rapid Radio is searched in real time cruelly is reached, and memory data output is reduced, reduce equipment cost;Search result release quickly unit can notify that other scopes carry out quick multiband tracking observation by search result real-time release to network.

Description

A kind of sudden and violent real-time detection devices, systems and methods of Rapid Radio
Technical field
The present invention relates to a kind of sudden and violent observation device of Rapid Radio, system and method, it is applied to Rapid Radio and visits in real time cruelly Survey and related science research.
Background technology
Rapid Radio sudden and violent (Fast Radio Burst, abbreviation FRB) is find in astronomical observation in recent years a kind of unknown , mysterious, very brief and bright radio pulse.2007, scientist looked in the distance in the Australian 64 meters of radio of Parkes for the treatment of Mirror finds, is found that 6 times again afterwards first when achieving data.Then, found in A Leixibai observatories of U.S. observation data 7th case.The physical mechanism of FRB, specific source in universe etc. are still unknown, and its origin cause of formation is currently astronomical research Hot issue.In recent years, many astronomers are numerous and confused carries out repeating treatment to conventional observation data, and is found that many FRB Phenomenon.2015, first FRB detected from linear polarization is found that in the archive data of the green bank radio telescope in the U.S. 110523, with landmark meaning, dispersion shows the liftoff ball 10 in the FRB sources~6,000,000,000 light-years.2015-05-17 to 06- 02, in the U.S., A Leixibo radio telescopes observe the recurrent obtburst of FRB 121102, and this is repetition of the First Observation to FRB Outburst, is the impressive progress of FRB researchs, helps to study the origin and Burst mechanism of FRB.
FRB be a kind of duration extremely short (millisecond magnitude), flow it is high (typically hundreds of milli centres to several Jansky, Karl Guthes it Between), the burst with polarization characteristic.The broadband signal of FRB outbursts is when cosmic space is propagated by space dust, freely electricity Son etc. influences, and the frequency electromagnetic wave high electromagnetic wave lower than frequency first reaches the earth, and therefore pulse signal occurs extending even disappearing The phenomenon of mistake.This is essentially identical with the spatial dispersion phenomenon of pulsar signal, but its dispersion range is wider, can be from tens to thousands of cm-3Pc, because dispersion measure (abbreviation DM) parameter space is huge, De-dispersion treatment and doubtful sample will be carried out for each DM parameter This identification, also Exact calculation will be carried out after the rough lookup of DM values for doubtful value, and amount of calculation is huge.Currently searched FRB is found from conventional archive data, or data are first recorded, and processed offline is then carried out again, this On the one hand the mode of kind wastes memory space, and on the other hand also needing to longer time carries out data processing, it is impossible to realize online Real-time monitoring and multiwave tracking observation, i.e., once radio wavelength band discovery after can notify that optics, infrared or its all band enter The rapid tracking observation of row.
The content of the invention
(1) technical problem to be solved
In order to solve prior art problem, preferably carry out real-time search research and the multiband tracking observation of FRB, this hair It is bright there is provided a kind of sudden and violent real-time detection devices, systems and methods of Rapid Radio.
(2) technical scheme
The invention provides a kind of sudden and violent real-time detection device of Rapid Radio, including:Data acquisition and pretreatment unit, in real time Search and memory cell and search result release quickly unit;Wherein, the data acquisition and pretreatment unit are to fast rapid fire Electric sudden and violent observation signal is sampled and is pre-processed, and is obtained Rapid Radio and is observed data cruelly;The real-time search and memory cell pair The Rapid Radio observes data and carries out real-time processing cruelly, extracts the sudden and violent candidate's body of Rapid Radio and is stored;The search As a result release quickly unit externally sends the corresponding information of the sudden and violent candidate's body of the Rapid Radio, realizes sudden and violent real-time of Rapid Radio Search, store and issue.
(3) beneficial effect
From above-mentioned technical proposal as can be seen that the sudden and violent real-time detection device of Rapid Radio of the invention, system and method have Following beneficial effect:
Search in real time and utilize shared drive buffer technology with memory cell, carried out in each intermodule by data shared real Show multi-task parallel treatment, improve processing speed, reach the effect that Rapid Radio is searched in real time cruelly, and reduce data Amount of storage, reduces equipment cost;Search result release quickly unit can notify other by search result real-time release to network Scope carries out quick multiband tracking observation.
Brief description of the drawings
Fig. 1 is the structural representation of the sudden and violent real-time detection device of Rapid Radio of the embodiment of the present invention;
Fig. 2 is the process chart of the sudden and violent real-time detection device of Rapid Radio of the embodiment of the present invention;
Fig. 3 shows for the real-time search of the sudden and violent real-time detection device of Rapid Radio of the embodiment of the present invention with the structure of memory cell It is intended to;
Fig. 4 is the flow chart of the sudden and violent real-time detecting method of Rapid Radio of the embodiment of the present invention.
Symbol description
1- radio telescopes;The sudden and violent observation signal of 2- Rapid Radios;3- time-frequency reference signals;The networks of 4- 10,000,000,000;
10- data acquisitions and pretreatment unit;
20- is searched and memory cell in real time;
The network ports of 21- 10,000,000,000;22- shared drive buffering areas;23- buffer states tag slot;24- disk arrays;25- UDP message bag receiver module;The sudden and violent search module of 26- Rapid Radios;27- document management modules;
30- search result release quickly units.
Specific embodiment
The invention provides a kind of sudden and violent real-time detection devices, systems and methods of Rapid Radio, can be sudden and violent to Rapid Radio (FRB) Real-time detection is carried out, such as observes that FRB events are just recorded to data, greatly save disk storage space;Meanwhile, monitoring After to FRB events can also release quickly, notify that other scopes carry out rapid tracking observation.
A kind of sudden and violent real-time detection device of Rapid Radio is the embodiment of the invention provides, as shown in figure 1, it includes:Data are adopted Collection is searched and memory cell 20 and search result release quickly unit 30 with pretreatment unit 10, in real time.
Wherein, data acquisition and pretreatment unit 10 are carried out using time-frequency reference signal 3 to the sudden and violent observation signal 2 of Rapid Radio Sampling and pre-process, obtain Rapid Radio and observe data cruelly, search in real time with memory cell 20 to the sudden and violent observation data of Rapid Radio Real-time processing is carried out, the sudden and violent candidate's body of Rapid Radio is extracted, search result release quickly unit 30 is by the sudden and violent candidate's body of Rapid Radio Corresponding information externally sends, it is achieved thereby that the sudden and violent real-time search of Rapid Radio, storage and issue.
Data acquisition can be based on FPGA platform with pretreatment unit 10, including:Sampling module, multiphase filter, plural number FFT module, correlation computations module and data transmit module.
Referring to Fig. 2, data acquisition and pretreatment unit 10 complete sampling, multiphase filtering passage divide, plural FFT, The operation such as correlation computations and data packing, specifically, data acquisition is received with pretreatment unit 10 and transmitted from radio telescope 1 The sudden and violent observation signal 2 of Rapid Radio for coming, the sudden and violent observation signal 2 of Rapid Radio includes the first intermediate-freuqncy signal and the second intermediate-freuqncy signal, adopts Egf block sample obtaining sampled data to the sudden and violent observation signal 2 of Rapid Radio.To eliminate the broadband signal of FRB outbursts in transmission To the dispersive influence for being acted on by interstellar matter during the earth and being caused, the time-domain signal after sampling is converted into first here Then frequency domain, first carried out at time delay total bandwidth for the signal of v is divided into the n subchannel with a width of Δ v to each subchannel again Manage to eliminate dispersion.Multiphase filter carries out frequency channel division to sampled data and obtains multi-channel sampling data, and plural FFT becomes Mold changing block carries out plural FFT to multi-channel sampling data, obtains multichannel frequency domain data, to obtain sudden and violent inclined of Rapid Radio Shake information, correlation computations module carries out related operation, obtains Rapid Radio and observe data cruelly to multichannel frequency domain data, and data are beaten Bag sending module Rapid Radio is observed data cruelly and is packaged as UDP message bag and is sent to search and memory cell 20 in real time.
Searching in real time can use high-performance computer (HPC) with memory cell 20, can be to the sudden and violent observation data of Rapid Radio Obtained in real time, candidate's body is searched, preserve and display etc., searched single with pretreatment with memory cell 20 and data acquisition in real time It is attached by 10,000,000,000 networks 4 between unit 10, high speed data transfer is carried out using udp protocol.
Search in real time and realize data sharing in each intermodule by using shared drive buffering area with memory cell 20, with The parallel processing effect for reach data acquisition, network exchange, calculating and storing in real time.
As shown in figure 3, search being included with memory cell 20 in real time:UDP message bag receiver module 25, Rapid Radio is searched cruelly Module 26, document management module 27 and disk array 24.UDP message bag receiver module 25 receives data acquisition and pretreatment unit The Rapid Radio of the 10 UDP message bag forms for sending observes data cruelly, and it is quick that the sudden and violent search module of Rapid Radio 26 pairs is received Radio storm observation data are calculated in real time, and the sudden and violent candidate's body of Rapid Radio is filtered out to be observed cruelly in data from Rapid Radio, text Rapid Radio comprising the sudden and violent candidate's body of Rapid Radio is observed data and is preserved by part management module 27 cruelly.
Search with memory cell 20 operationally in real time, the buffering of multiple shared drive buffering areas 22 and is opened up in internal memory Zone state tag slot 23, buffer state tag slot 23 is used to identify the state of each shared drive buffering area.First, in buffering The state of each shared drive buffering area is set to " sky " in zone state tag slot 23;Data acquisition and pretreatment unit 10 will After data transfer to 10,000,000,000 network ports 21 searched in real time with memory cell, UDP message bag receiver module 25 receives UDP message The Rapid Radio of bag form observes data cruelly, and Rapid Radio is observed the shared drive buffering that data write state is " sky " cruelly Qu Zhong, the state that Rapid Radio observes the shared drive buffering area of data cruelly is written into buffer state tag slot 23 by this It is set to " pending " by " sky ";
The sudden and violent search module 26 of Rapid Radio is to state for the Rapid Radio in the shared drive buffering area of " pending " is seen cruelly Surveying data carries out real-time processing, if finding the sudden and violent candidate's body of Rapid Radio in Rapid Radio observes data cruelly, just by fast rapid fire The state of the corresponding shared drive buffering area of electric candidate's body cruelly is designated " to be saved " by " pending ";Document management module 27 will State observes data write-in disk array 24, write-in disk battle array cruelly for the Rapid Radio in the shared drive buffering area of " to be saved " The state of the shared drive buffering area is set to " sky " by " to be saved " after row 24;If the sudden and violent search module 26 of Rapid Radio is not The sudden and violent candidate's body of Rapid Radio is found in Rapid Radio observes data cruelly, just the shared interior of the sudden and violent candidate's body of Rapid Radio will not be found The state for depositing buffering area is designated " sky " by " pending ", by above-mentioned shared drive buffering area mechanism, improves processing speed, Realize the real-time search of the sudden and violent candidate's body of Rapid Radio.
Further, because the sudden and violent search module of Rapid Radio is the maximum module of computation burden, search single with storage in real time Unit 20 can comprising the sudden and violent search module 26 of multiple Rapid Radios, the sudden and violent search module 26 of multiple Rapid Radios it is parallel to state " to treat Rapid Radio in the shared drive buffering area for the treatment of " observes data cruelly carries out real-time processing, further to improve Rapid Radio The real-time search processing speed of sudden and violent candidate's body.Above-mentioned framework and process have passed through algorithm and search strategy optimization, improve calculating Efficiency is reaching the effect of real-time processing.HPC can be using in Intel Xeon E5-2630 V3 CPU processing cores, 64G Deposit, the high-performance computer of 48TB memory spaces, it would however also be possible to employ other computing devices or data processing platform (DPP).
Referring to Fig. 2, the sudden and violent search module 26 of Rapid Radio completes Stokes' parameter calculating, Radio frequency interference elimination, De-dispersion The operations such as calculating, matched filtering and candidate's body extraction, finally export candidate's volume data with to be saved.Specifically, Rapid Radio Sudden and violent search module 26 include Stokes' parameter calculating sub module, Radio frequency interference eliminate submodule, De-dispersion calculating sub module, With wave filter and candidate's body extracting sub-module.First, Rapid Radio is calculated by Stokes' parameter calculating sub module and observes number cruelly According to Stokes' parameter, Stokes' parameter (I, Q, U, V) such as following formula (1):
I:A_amp+B_amp, Q:A_amp-B_amp, U:2 [AB_re], V:2[AB_im] (1)
Wherein, A_amp is the intermediate frequency auto-correlation amplitude of the first radiofrequency signal, B_amp be the second radiofrequency signal intermediate frequency from Correlation magnitude, AB_re is the intermediate frequency cross-correlation real part of the first radiofrequency signal and the second radiofrequency signal, and AB_im believes for the first radio frequency Number and the second radiofrequency signal intermediate frequency cross-correlation imaginary part.Because communication base station, radar, satellite and electronic equipment etc. can be to radio frequently Section is interfered, if do not eliminated the treatment effect by signal is influenceed on interference, so then Radio frequency interference eliminates submodule These radio interferences are eliminated in frequency domain.Then De-dispersion calculating sub module is observed data conversion by Rapid Radio cruelly De-dispersion is carried out to time domain, because the dispersion measure of FRB is unknown, can be used in certain DM scopes Z, be to be spaced to each with n Individual DM values are all calculated, and then enter line search to the method that each De-dispersion value carries out candidate's body lookup.Due to the pulse of FRB Width is different, it is necessary to search single pulse signal to each group of time domain data of the dispersion that disappeared, using a rectangular filter form Matched filter, optimum pulse width is obtained by the time width of the rectangle frame of continuous Transformation Matching wave filter, work as rectangle Frame just comprising whole pulse profile when be optimum pulse width, matched filter filters out of band data, number in a leave strip According to.The time width of matched filter can be 2 index to save search time, such as 1ms, 2ms, 4ms, 8ms, 16ms, 32ms, 64ms, 128ms etc..Last candidate's body extracting sub-module determines whether doubtful sample by the signal to noise ratio of pulse, if This Rapid Radio is just observed Data Identification for Rapid Radio is waited cruelly by a fixed threshold value, such as signal to noise ratio of pulse cruelly more than the threshold value Body is selected, and exports to preserve.The threshold value can be set according to the electromagnetic environment of radio telescope.
Search result release quickly unit 30 can use computer, and real-time monitoring searches state, and it is received searches in real time Data are observed cruelly with the Rapid Radio comprising the sudden and violent candidate's body of Rapid Radio that memory cell 20 is preserved, and calculates Rapid Radio see cruelly Arrival time and the day area coordinate of signal are surveyed, and arrival time and day area coordinate are sent to infrared telescope, light by network Telescope or its all band telescope are learned, so that other scopes carry out rapid tracking observation.
The sudden and violent real-time detection device of Rapid Radio of the embodiment of the present invention, can set observation bandwidth, highest according to observation requirementses Up to 2.5GHz, a width of 500MHz of Current observation band, frequency channel number is 512, and temporal resolution is 64.512 microseconds, and spectrum is differentiated Rate is 0.976MHz, and DM search areas are 0~2000cm-3Pc, searching pulsewidth can be from 1 millisecond to the several seconds.All parameters all can root It is adjusted according to actual demand.
Due to high with the data rate that pretreatment unit is exported from data acquisition, for example, for two-way, 512 passages, The situation of 64.512 microseconds integration, plural correlation computations, the data rate of its output is 969Mbps, and the record data of a day reaches To 10TB, if so big data volume needs the disk memory array of Large Copacity using the pattern of traditional processed offline, increase Input cost is added.And the sudden and violent real-time detection device of Rapid Radio of the invention is used, by data acquisition and pretreatment unit The data of output carry out real-time processing, and only valid data are recorded, and useless data are just lost, and data volume is compressed to very much One of more than, and search result Real-time Feedback can be effectively reduced memory data output and equipment cost.
The sudden and violent real-time detection device of the Rapid Radio is installed in certain 26 meter radio telescope system, using L-band (RF: Observation experiment 1400-1720MHz) is carried out, tracking has been carried out to the pulsar B0329+54 that flow and pulsewidth are all closer to and has been seen Survey, the flow in the source is 203mJy, and pulse width is 6.6ms, more similar to FRB signals.It is the number of 8.3 seconds to the duration According to being searched in real time, 11 pulses are recorded, because the cycle in the source is 0.714 second, therefore all pulses in data All identified, meanwhile, the dispersion measure and the DM values (26.833cm in the source for searching-3Pc) also more it coincide.
Present invention also offers a kind of sudden and violent real-time detection system of Rapid Radio, it includes the sudden and violent real-time detection of above-mentioned Rapid Radio The radio telescope 1 that device and real-time detection device sudden and violent with Rapid Radio are connected.
Referring to Fig. 4, present invention also offers a kind of sudden and violent real-time detecting method of Rapid Radio, it utilizes above-mentioned Rapid Radio sudden and violent Real-time detection device, is sampled and is pre-processed to the sudden and violent observation signal of Rapid Radio first, is obtained Rapid Radio and is observed data cruelly; Then observation data sudden and violent to Rapid Radio carry out real-time processing, extract the sudden and violent candidate's body of Rapid Radio;It is finally that Rapid Radio is sudden and violent The corresponding information of candidate's body externally sends, it is achieved thereby that the sudden and violent real-time search of Rapid Radio, storage and issue.
So far, combined accompanying drawing has been described in detail to the embodiment of the present invention.According to above description, art technology Personnel should have to the sudden and violent real-time detection devices, systems and methods of Rapid Radio of the invention and clearly recognize.
The sudden and violent real-time detection devices, systems and methods of Rapid Radio of the invention, search with memory cell using shared in real time Core buffer technology, the shared multi-task parallel that realizes by data in each intermodule is processed, and improves processing speed, is reached The effect that Rapid Radio is searched in real time cruelly is arrived, and has reduced memory data output, reduced equipment cost;Search result is quickly sent out Cloth unit can notify that other scopes carry out quick multiband tracking observation by search result real-time release to network.
It should be noted that in accompanying drawing or specification text, the implementation for not illustrating or describing is affiliated technology Form known to a person of ordinary skill in the art, is not described in detail in field.Additionally, above-mentioned definition to each element and not only limiting The various modes mentioned in embodiment, those of ordinary skill in the art can simply be changed or be replaced to it, for example:
(1) direction term mentioned in embodiment, for example " on ", D score, "front", "rear", "left", "right" etc., be only ginseng The direction of accompanying drawing is examined, not for limiting the scope of the invention;
(2) above-described embodiment can be based on design and the consideration of reliability, and the collocation that is mixed with each other is used or and other embodiment Mix and match is used, i.e., the technical characteristic in different embodiments can freely form more embodiments.
Particular embodiments described above, has been described in detail to the purpose of the present invention, technical scheme and beneficial effect, Should be understood that and the foregoing is only specific embodiment of the invention, be not intended to limit the invention, it is all in the present invention Spirit and principle within, any modification, equivalent substitution and improvements done etc., should be included in protection scope of the present invention it It is interior.

Claims (10)

1. the sudden and violent real-time detection device of a kind of Rapid Radio, it is characterised in that including:Data acquisition is searched with pretreatment unit, in real time Seek and memory cell and search result release quickly unit;Wherein,
The data acquisition and pretreatment unit are sampled and are pre-processed to the sudden and violent observation signal of Rapid Radio, obtain Rapid Radio Sudden and violent observation data;
The real-time search observes data cruelly with memory cell to the Rapid Radio carries out real-time processing, extracts Rapid Radio Sudden and violent candidate's body is simultaneously stored;
The search result release quickly unit externally sends the corresponding information of the sudden and violent candidate's body of the Rapid Radio, realizes quick Real-time search, storage and the issue of radio storm.
2. the sudden and violent real-time detection device of Rapid Radio as claimed in claim 1, it is characterised in that the real-time search is single with storage Unit realizes the sudden and violent real-time search of Rapid Radio using shared drive buffering area.
3. the sudden and violent real-time detection device of Rapid Radio as claimed in claim 1, it is characterised in that the real-time search is single with storage Unit includes:UDP message bag receiver module, the sudden and violent search module of Rapid Radio, document management module and disk array;Wherein,
The UDP message bag receiver module receives the data acquisition and observes number cruelly with the Rapid Radio of pretreatment unit transmission According to;
The sudden and violent search module of the Rapid Radio is observed data and is calculated in real time cruelly to the Rapid Radio for receiving, from Rapid Radio The sudden and violent candidate's body of Rapid Radio is filtered out in sudden and violent observation data;
Rapid Radio comprising the sudden and violent candidate's body of Rapid Radio is observed data and is preserved by the document management module cruelly.
4. the sudden and violent real-time detection device of Rapid Radio as claimed in claim 3, it is characterised in that the real-time search is single with storage Unit also includes:Multiple shared drive buffering areas and a buffer state tag slot;
In the buffer state tag slot, the state of each shared drive buffering area is arranged to " sky ";
The Rapid Radio that the UDP message bag receiver module is received observes data and is written into state for the shared drive of " sky " delays cruelly Rush in area, in the buffer state tag slot, be written into the shape that Rapid Radio observes the shared drive buffering area of data cruelly State is arranged to " pending " by " sky ";
State is observed data and is searched cruelly by the Rapid Radio cruelly for the Rapid Radio in the shared drive buffering area of " pending " Module carries out real-time processing;
If finding the sudden and violent candidate's body of Rapid Radio in Rapid Radio observes data cruelly, the sudden and violent candidate's body of Rapid Radio is corresponding common The state for enjoying core buffer is arranged to " to be saved " by " pending ";State is in the shared drive buffering area of " to be saved " Rapid Radio observe data cruelly disk array write by document management module, and state is delayed for the shared drive of " to be saved " The state for rushing area is arranged to " sky ";
If finding the sudden and violent candidate's body of Rapid Radio not in Rapid Radio observes data cruelly, the sudden and violent candidate's body of Rapid Radio is not found The state of shared drive buffering area be arranged to " sky " by " pending ".
5. the sudden and violent real-time detection device of Rapid Radio as claimed in claim 4, it is characterised in that the Rapid Radio searches mould cruelly Block is multiple, the sudden and violent search module of the multiple Rapid Radio it is parallel to state for the shared drive buffering area of " pending " in it is fast Fast radio storm observation data carry out real-time processing.
6. the sudden and violent real-time detection device of Rapid Radio as claimed in claim 1, it is characterised in that the data acquisition and pretreatment Unit includes:Sampling module, multiphase filter, plural FFT module, correlation computations module and data transmit module; Wherein,
The sampling module sample obtaining sampled data to the sudden and violent observation signal of Rapid Radio;
The multiphase filter carries out frequency channel division to sampled data and obtains multi-channel sampling data;
The plural FFT module carries out plural FFT to multi-channel sampling data, obtains multichannel frequency domain data;
The correlation computations module carries out related operation to multichannel frequency domain data, obtains Rapid Radio and observes data cruelly;
The data transmit module Rapid Radio is observed cruelly data be packaged as UDP message bag and be sent in real time search with Memory cell.
7. the sudden and violent real-time detection device of Rapid Radio as claimed in claim 3, it is characterised in that the Rapid Radio searches mould cruelly Block includes:Stokes' parameter calculating sub module, Radio frequency interference eliminate submodule, De-dispersion calculating sub module, matched filter With candidate's body extracting sub-module;Wherein,
The Stokes' parameter calculating sub module calculates the Stokes' parameter that Rapid Radio observes data cruelly;
The Radio frequency interference eliminates submodule and eliminates radio interference;
The De-dispersion calculating sub module Rapid Radio is observed data is cruelly converted into time domain and carries out De-dispersion;
The matched filter obtains the sudden and violent optimum pulse width of Rapid Radio;
Candidate's body extracting sub-module judges that whether Rapid Radio observes data comprising the sudden and violent candidate's body of Rapid Radio cruelly.
8. the sudden and violent real-time detection device of Rapid Radio as claimed in claim 1, it is characterised in that the search result release quickly Unit sends to infrared telescope or optical telescope the corresponding information of the sudden and violent candidate's body of Rapid Radio by network.
9. the sudden and violent real-time detection system of a kind of Rapid Radio, it is characterised in that cruelly real-time including the Rapid Radio described in claim 1 The radio telescope that detection device and real-time detection device sudden and violent with Rapid Radio are connected.
10. a kind of sudden and violent real-time detecting method of Rapid Radio of the sudden and violent real-time detection device of Rapid Radio described in utilization claim 1, It is characterised in that it includes:
The sudden and violent observation signal of Rapid Radio is sampled and pre-processed, Rapid Radio is obtained and is observed data cruelly;
Observation data sudden and violent to Rapid Radio carry out real-time processing, extract the sudden and violent candidate's body of Rapid Radio and are stored;
The corresponding information of the sudden and violent candidate's body of Rapid Radio is externally sent, the sudden and violent real-time search of Rapid Radio, storage and issue is realized.
CN201611063812.6A 2016-11-25 2016-11-25 A kind of sudden and violent real-time detection devices, systems, and methods of Rapid Radio Active CN106771653B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611063812.6A CN106771653B (en) 2016-11-25 2016-11-25 A kind of sudden and violent real-time detection devices, systems, and methods of Rapid Radio

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611063812.6A CN106771653B (en) 2016-11-25 2016-11-25 A kind of sudden and violent real-time detection devices, systems, and methods of Rapid Radio

Publications (2)

Publication Number Publication Date
CN106771653A true CN106771653A (en) 2017-05-31
CN106771653B CN106771653B (en) 2019-05-14

Family

ID=58901841

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201611063812.6A Active CN106771653B (en) 2016-11-25 2016-11-25 A kind of sudden and violent real-time detection devices, systems, and methods of Rapid Radio

Country Status (1)

Country Link
CN (1) CN106771653B (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109991479A (en) * 2019-03-22 2019-07-09 中国科学院新疆天文台 The sudden and violent real-time detection apparatus, system and method for the Rapid Radio of multibeam receiver
CN110427878A (en) * 2019-07-31 2019-11-08 中国科学院新疆天文台 A kind of sudden and violent signal recognition method of Rapid Radio and system
CN110926455A (en) * 2019-12-03 2020-03-27 中国科学院新疆天文台 Self-adaptive radio frequency interference elimination method for radio astronomical signals
CN111292222A (en) * 2020-01-22 2020-06-16 中国科学院新疆天文台 Pulsar de-dispersion device and method
CN111487473A (en) * 2020-04-16 2020-08-04 中国科学院新疆天文台 Automatic detection system and method for rapid radio storm
CN111624411A (en) * 2020-05-07 2020-09-04 上海交通大学 Solar radio storm intensity judgment method and system based on utility function comprehensive evaluation
CN116451030A (en) * 2023-06-16 2023-07-18 中国科学院国家天文台 Baseband data pulse searching method and system based on GPU
CN116482449A (en) * 2023-06-20 2023-07-25 中国科学院国家天文台 Real-time detection method for fast electric storm

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103674022A (en) * 2013-12-19 2014-03-26 中国空间技术研究院 Method for rapidly calculating integer ambiguity of pulsar navigation
CN104156981A (en) * 2014-07-30 2014-11-19 云南大学 Automatic real-time solar radio burst detection method based on image processing
CN104820207A (en) * 2015-05-08 2015-08-05 中国科学院新疆天文台 Real-time correlator based on FPGA, GPU and CPU mixed architecture
KR101555046B1 (en) * 2013-12-26 2015-10-06 (주)에스이티시스템 Method for detecting solar radio burst
CN106124859A (en) * 2016-08-03 2016-11-16 山东大学(威海) Solar radio solar radio burst variable-resolution spectral means based on high-speed AD acquisition card and method thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103674022A (en) * 2013-12-19 2014-03-26 中国空间技术研究院 Method for rapidly calculating integer ambiguity of pulsar navigation
KR101555046B1 (en) * 2013-12-26 2015-10-06 (주)에스이티시스템 Method for detecting solar radio burst
CN104156981A (en) * 2014-07-30 2014-11-19 云南大学 Automatic real-time solar radio burst detection method based on image processing
CN104820207A (en) * 2015-05-08 2015-08-05 中国科学院新疆天文台 Real-time correlator based on FPGA, GPU and CPU mixed architecture
CN106124859A (en) * 2016-08-03 2016-11-16 山东大学(威海) Solar radio solar radio burst variable-resolution spectral means based on high-speed AD acquisition card and method thereof

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109991479A (en) * 2019-03-22 2019-07-09 中国科学院新疆天文台 The sudden and violent real-time detection apparatus, system and method for the Rapid Radio of multibeam receiver
CN110427878A (en) * 2019-07-31 2019-11-08 中国科学院新疆天文台 A kind of sudden and violent signal recognition method of Rapid Radio and system
CN110926455B (en) * 2019-12-03 2021-08-27 中国科学院新疆天文台 Self-adaptive radio frequency interference elimination method for radio astronomical signals
CN110926455A (en) * 2019-12-03 2020-03-27 中国科学院新疆天文台 Self-adaptive radio frequency interference elimination method for radio astronomical signals
CN111292222A (en) * 2020-01-22 2020-06-16 中国科学院新疆天文台 Pulsar de-dispersion device and method
CN111292222B (en) * 2020-01-22 2023-05-12 中国科学院新疆天文台 Pulsar dispersion eliminating device and method
CN111487473A (en) * 2020-04-16 2020-08-04 中国科学院新疆天文台 Automatic detection system and method for rapid radio storm
CN111487473B (en) * 2020-04-16 2022-07-19 中国科学院新疆天文台 Automatic detection system and method for rapid radio storm
CN111624411A (en) * 2020-05-07 2020-09-04 上海交通大学 Solar radio storm intensity judgment method and system based on utility function comprehensive evaluation
CN111624411B (en) * 2020-05-07 2021-10-26 上海交通大学 Solar radio storm intensity judgment method and system based on utility function comprehensive evaluation
CN116451030A (en) * 2023-06-16 2023-07-18 中国科学院国家天文台 Baseband data pulse searching method and system based on GPU
CN116451030B (en) * 2023-06-16 2023-09-05 中国科学院国家天文台 Baseband data pulse searching method and system based on GPU
CN116482449A (en) * 2023-06-20 2023-07-25 中国科学院国家天文台 Real-time detection method for fast electric storm
CN116482449B (en) * 2023-06-20 2023-09-08 中国科学院国家天文台 Real-time detection method for fast electric storm

Also Published As

Publication number Publication date
CN106771653B (en) 2019-05-14

Similar Documents

Publication Publication Date Title
CN106771653B (en) A kind of sudden and violent real-time detection devices, systems, and methods of Rapid Radio
CN104301052B (en) Seamless collecting and real-time frequency spectrum monitoring implementation method based on FPGA
Srivastav et al. A highly digital multiantenna ground-penetrating radar (GPR) system
CN107171749B (en) Method for determining Doppler shift of radio signal directly reflected by moving object
CN109991479A (en) The sudden and violent real-time detection apparatus, system and method for the Rapid Radio of multibeam receiver
Sun et al. MIMO-MC radar: A MIMO radar approach based on matrix completion
CN108414966A (en) A kind of wideband correlation direction-finding system and method based on time-modulation
CN110515098A (en) Anti- broadband interference Beidou vehicle-mounted integral machine
FR2805614A1 (en) Location method for radio signal sources uses network of sensors linked to two receivers providing data for processing with covariance matrix method
CN107359956B (en) A kind of dynamic plasma sheath channel detection method
CN107976673A (en) Improve the MIMO radar imaging method of large scene target imaging quality
CN104730538B (en) Rayleigh and sodium laser radar integration method and system based on time division and wavelength division multiplex
CN108828546A (en) A kind of space-based multichannel moving-target radar receiving processing system and method
CN107483130A (en) One kind joint broader frequency spectrum perceives and angle-of- arrival estimation method
CN108535686B (en) Time difference positioning method for cutting off broadband linear frequency modulation signal
CN116087890B (en) Environmental signal acquisition and analysis system and method for improving radar electronic countermeasure performance
CN100420163C (en) Frequency domain receiving method for super broad band radio communication system
CN106850104A (en) The quick frequency-selective systems of NVIS and its method based on passive monitoring
CN105204044A (en) Cross-correlation processing device based on radio frequency direct sampling navigation inverted signal
Zhang et al. Wireless tomography, Part III: Compressed sensing for ultra-wideband signals
CN115913291A (en) Non-line-of-sight channel modeling method for underground coal mine intelligent super-surface wireless communication
Yarovoy et al. Ultra-wideband technology today
Kardashev et al. An omnidirectional search for monopulse signals from astronomical objects
La Tosa et al. Maximum averaged likelihood estimation tree for Anchor-Less localization exploiting IR-UWB multipaths
Saiko et al. Method of Increasing the Efficiency of Managing Energy Potential Protected Radioliniy Terahertz Range using Artificial Intelligence (short paper).

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant