CN108549061A - A kind of clustering method of signal - Google Patents
A kind of clustering method of signal Download PDFInfo
- Publication number
- CN108549061A CN108549061A CN201810371330.XA CN201810371330A CN108549061A CN 108549061 A CN108549061 A CN 108549061A CN 201810371330 A CN201810371330 A CN 201810371330A CN 108549061 A CN108549061 A CN 108549061A
- Authority
- CN
- China
- Prior art keywords
- index address
- pdwi
- channel number
- doai
- orientation
- 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
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/41—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00 using analysis of echo signal for target characterisation; Target signature; Target cross-section
- G01S7/418—Theoretical aspects
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
The present invention relates to a kind of clustering methods of signal in electromagnetic environment signal monitoring field, first receiver read pulse describing word PDWi, and orientation Doai, carrier frequency Rfi further according to pulse descriptive word PDWi calculate the index address of the PDWi；The content deposited in PDWi index address is judged again, if adjacent index address does not have channel number mark under orientation Doai, detection is the same as adjacent index address on the carrier frequency Rfi of orientation Doai；The content deposited in index address is judged, channel number mark is determined whether, if adjacent index address does not have channel number mark on carrier frequency Rfi, detection is the same as adjacent index address under the carrier frequency Rfi of orientation Doai；The present invention gives the methods of index address hash table, can be clustered in real time, quickly to detecing the collection of letters number, it is ensured that absolutely obtain signal；It also applies the adjacent up and down of orientation Doai and carrier frequency Rfi simultaneously be associated with so that the carrier of signal correctly can provide guarantee by sorting signals since movement or the frequency agility of radar signal are without dividing to subsequent signal processing.
Description
Technical field
The present invention relates to a kind of clustering methods of signal in electromagnetic environment signal monitoring field.
Background technology
It is intensive, complicated and changeable due to modern electromagnetic so that the signal received is very intensive, if not to this
A little signals are sorted out and are diluted, and are difficult to quickly come out Signal separator, especially Gao Zhongying signal and low repetition signal
When mixing, low repetition signal will be submerged, and sorting does not come out；In order to adapt to the impulse density of extraneous 1,000,000/second,
It, just will not pulse-losing, it is ensured that absolutely obtain signal so be less than 1us to the processing time of each pulse；It is existing
Clustering method have very much, such as：Neural network, vector machine, Kalman filtering etc., when these methods all need to spend very much
Between, it is difficult to be widely used in engineering.
Invention content
The present invention gives the methods of index address hash table, can be clustered in real time, quickly to detecing the collection of letters number, it is ensured that
Absolutely obtain signal；The adjacent up and down of orientation Doai and carrier frequency Rfi is also applied simultaneously to be associated with so that the carrier of signal by
It, being capable of correct sorting signals offer to subsequent signal processing in movement or the frequency agility of radar signal without dividing
It ensures.
The object of the present invention is achieved like this：
Step 1 is expressed as the serial number of input pulse from receiver read pulse describing word PDWi, i；
Step 2 calculates the index address of the PDWi according to the orientation Doai of pulse descriptive word PDWi, carrier frequency Rfi；
Step 3 judges the content deposited in the PDWi index address, channel number mark is determined whether, if there is the mark
The PDWi is just directly stored in corresponding channel number by will；
Step 4 calculates if not having channel number mark with adjacent index address on the orientation Doai of carrier frequency Rfi；To index ground
The content deposited in location is judged, channel number mark is determined whether, if so, channel number to be then stored in the index address of PDWi
In, and PDWi is stored in corresponding channel number；
Step 5 detects if adjacent index address does not have channel number mark on orientation Doai under the orientation Doai of carrier frequency Rfi
Adjacent index address；The content deposited in index address is judged, channel number mark is determined whether, if so, then by channel
In the index address of number deposit PDWi, and PDWi is stored in corresponding channel number；
Step 6 detects if adjacent index address does not have channel number mark under orientation Doai on the carrier frequency Rfi of orientation Doai
Adjacent index address；The content deposited in index address is judged, channel number mark is determined whether, if so, then by channel
In the index address of number deposit PDWi, and PDWi is stored in corresponding channel number；
Step 7 detects if adjacent index address does not have channel number mark on carrier frequency Rfi under the carrier frequency Rfi of orientation Doai
Adjacent index address；The content deposited in index address is judged, channel number mark is determined whether, if so, then by channel
In the index address of number deposit PDWi, and PDWi is stored in corresponding channel number；
Step 8, if assigning new tunnel number to Addj without channel number mark is found in adjacent and lower neighbour on carrier frequency Rfi,
And PDWi is stored in new channel number；Then it is transferred to step 1, continues to read pulse, move in circles.
When the present invention works, first, the PDWi received from receiver is established into index according to orientation Doai and carrier frequency Rfi
Then address searches whether there is or not channel number is established in corresponding address, if there is channel number, then the PDWi is stored in corresponding channel
In；If without channel number, first presses carrier frequency Rfi and search neighbour up and down, it, should if having channel number during carrier frequency Rfi or more is adjacent
In the address of channel number deposit index, and the PDWi is stored in corresponding channel；If do not had in the lower channel of carrier frequency Rfi
Channel number is found, then being searched again whether there is or not channel number in the neighbour up and down of orientation Doai, if had during orientation Doai or more is adjacent
The channel number is then stored in the address of index by channel number, and the PDWi is stored in corresponding channel；If in orientation Doai
With channel number is not found in carrier frequency Rfi or more neighbours, then assign new channel number to this PDWi, and channel number be stored in rope
In the address drawn, so recycles, gathered in the same channel by same orientation Doai, with the signal of carrier frequency Rfi, for signal processing
Various signals are quickly sorted, since modern radar is frequency agile radar mostly, in order to allow each Frequency point of agile radar to be placed on
In the same channel, so when building channel, to compare the adjacent up and down of carrier frequency Rfi, compare model of the number adjacent up and down by agile
It encloses to determine, general agile range is scheduled on 1Ghz, and it is not static to carry the platform of radar, is typically moved, so, it builds logical
The adjacent up and down of orientation Doai is also searched when road, consider that orientation Doai's is slowly varying, not the channel due to variation of orientation Doai
Division.
The beneficial effects of the present invention are the method that the invention gives index address hash table can be real-time, quickly right
It detects the collection of letters number to be clustered, it is ensured that absolutely obtain signal；The adjacent up and down of orientation Doai and carrier frequency Rfi is also applied simultaneously
Association so that the carrier of signal is since movement or the frequency agility of radar signal are without dividing, at subsequent signal
Reason correctly can provide guarantee by sorting signals.
Description of the drawings
Fig. 1 is the work flow diagram of the present invention.
Specific implementation mode
The object of the present invention is achieved like this：First, the radar pulse electromagnetic wave received is by being quantified as arteries and veins
Rush describing word PDWi；Pulse descriptive word PDWi includes the orientation DoaiDoa of incoming wave, frequency Rf, arrival time Toa, pulse width
Pw and impulse amplitude Pa etc.；Then start quickly to cluster, this method is as follows：
Step 1 is expressed as the serial number of input pulse from receiver read pulse describing word PDWi, i；
Step 2 calculates the index address of the PDWi according to the orientation Doai of pulse descriptive word PDWi, carrier frequency Rfi；
Step 3 judges the content deposited in PDWi index address, determines whether channel number mark, if there is the mark
The PDWi is just directly stored in corresponding channel number by will；
Step 4 calculates if not having channel number mark with adjacent index address on the orientation Doai of carrier frequency Rfi；To index ground
The content deposited in location is judged, channel number mark is determined whether, if so, channel number to be then stored in the index address of PDWi
In, and PDWi is stored in corresponding channel number；
Step 5 detects if adjacent index address does not have channel number mark on orientation Doai under the orientation Doai of carrier frequency Rfi
Adjacent index address；The content deposited in index address is judged, channel number mark is determined whether, if so, then by channel
In the index address of number deposit PDWi, and PDWi is stored in corresponding channel number；
Step 6 detects if adjacent index address does not have channel number mark under orientation Doai on the carrier frequency Rfi of orientation Doai
Adjacent index address；The content deposited in index address is judged, channel number mark is determined whether, if so, then by channel
In the index address of number deposit PDWi, and PDWi is stored in corresponding channel number；
Step 7 detects if adjacent index address does not have channel number mark on carrier frequency Rfi under the carrier frequency Rfi of orientation Doai
Adjacent index address；The content deposited in index address is judged, channel number mark is determined whether, if so, then by channel
In the index address of number deposit PDWi, and PDWi is stored in corresponding channel number；
Step 8, if assigning new tunnel number to Addj without channel number mark is found in adjacent and lower neighbour on carrier frequency Rfi,
And PDWi is stored in new channel number；Then it is transferred to step 1, continues to read pulse, move in circles.
When the present invention works,
1）It is expressed as the serial number of input pulse from receiver read pulse describing word PDWi, i；
2）Take orientation Doai, the carrier frequency Rfi of pulse descriptive word PDWi, it is assumed that the resolving power of Doa is that the resolving power of 0.352o, Rf are
1Mhz is indicated with 10 and 16 respectively, calculates the address Rfaddi of the address D oaaddi and carrier frequency Rfi of orientation Doai；It will
Doai masks low two, and Rfi masks low five, i.e. Doai moves to right two and is expressed as Doaaddi=Doai》2, Rfi move to right
Five are expressed as Rfaddi=Rfi》5, Addi=Rfaddi《8+ Doaaddi, Addi are just the index address of the PDWi；I.e.
Doa is the same index address in the input pulse of 1.4o, Rf within the scope of 32Mhz；
3）The content deposited in index address is judged, channel number mark is determined whether, if there is the mark, just should
PDWi is directly stored in corresponding channel number；
4）If not having channel number mark, detection is the same as adjacent channel on the orientation Doai of carrier frequency Rfi；Calculate the side with carrier frequency Rfi
The index address Addj=[Rfaddi+ (Doaaddi-j)] in adjacent channel on the Doai of position, wherein j are to search neighbour on orientation Doai
Adjacent number, j=1,2 ... ..., be generally up to 2；Content in Addj is judged, channel number mark is determined whether, if
Have, then assigns channel number to Addi, and PDWi is stored in corresponding channel number；Then it is transferred to step 1, continues to read pulse；
5）If adjacent index address does not have channel number mark on orientation Doai, detection is the same as adjacent rope under the orientation Doai of carrier frequency Rfi
Draw address；It calculates with index address Addj=[Rfaddi+ (Doaaddi+j)] adjacent under the orientation Doai of carrier frequency Rfi, wherein j
To search adjacent adjacent number under orientation Doai, j=1,2 ... ..., generally it is up to 2；Content in Addj is judged, is judged
Whether there is or not channel number marks, have, then assign channel number to Addi, and PDWi is stored in corresponding channel number；Then it is transferred to step
1, continue to read pulse；
6）If adjacent index address does not have channel number mark under orientation Doai, detection is the same as adjacent rope on the carrier frequency Rfi of orientation Doai
Draw address；The upper neighbour index address Addj=[(Rfaddi-j)+Doaaddi] with orientation Doai carrier frequency Rfi is calculated, wherein j is
Search the upper adjacent adjacent number of carrier frequency Rfi, j=1,2 ... ..., here j maximums take 16 and applicable frequency agility ranging from 1Ghz；It is right
Content in Addj is judged, channel number mark is determined whether, if so, then assigning channel number to Addi, and PDWi is deposited
Enter in corresponding channel number；Then it is transferred to step 1, continues to read pulse；
7）If adjacent index address does not have channel number mark on carrier frequency Rfi, detection is the same as adjacent index under the carrier frequency Rfi of orientation Doai
Address；It is to look into calculate with index address Addj=[(Rfaddi+j)+Doaaddi] adjacent on orientation Doai carrier frequency Rfi, wherein j
Look on carrier frequency Rfi adjacent adjacent number, j=1,2 ... ..., here j be less than or equal to 16 and be applicable in frequency agility ranging from 1Ghz；It is right
Content in Addj is judged, channel number mark is determined whether, if so, then assigning channel number to Addi, and PDWi is deposited
Enter in corresponding channel number；Then it is transferred to step 1, continues to read pulse；
8）If assigning new tunnel number to Addj, and PDWi is deposited without channel number mark is found in neighbour above or below carrier frequency Rfi
Enter in new channel number；Then it is transferred to step 1, continues to read pulse, move in circles.
The invention is not limited in above-described embodiments, on the basis of technical solution disclosed by the invention, the skill of this field
For art personnel according to disclosed technology contents, one can be made to some of which technical characteristic by not needing performing creative labour
A little to replace and deform, these are replaced and deformation is within the scope of the invention.
Claims (1)
1. a kind of clustering method of signal, which is characterized in that
Step 1 is expressed as the serial number of input pulse from receiver read pulse describing word PDWi, i；
Step 2 calculates the index address of the PDWi according to the orientation Doai of pulse descriptive word PDWi, carrier frequency Rfi；
Step 3 judges the content deposited in the PDWi index address, channel number mark is determined whether, if there is the mark
The PDWi is just directly stored in corresponding channel number by will；
Step 4 calculates if not having channel number mark with adjacent index address on the orientation Doai of carrier frequency Rfi；To index ground
The content deposited in location is judged, channel number mark is determined whether, if so, channel number to be then stored in the index address of PDWi
In, and PDWi is stored in corresponding channel number；
Step 5 detects if adjacent index address does not have channel number mark on orientation Doai under the orientation Doai of carrier frequency Rfi
Adjacent index address；The content deposited in index address is judged, channel number mark is determined whether, if so, then by channel
In the index address of number deposit PDWi, and PDWi is stored in corresponding channel number；
Step 6 detects if adjacent index address does not have channel number mark under orientation Doai on the carrier frequency Rfi of orientation Doai
Adjacent index address；The content deposited in index address is judged, channel number mark is determined whether, if so, then by channel
In the index address of number deposit PDWi, and PDWi is stored in corresponding channel number；
Step 7 detects if adjacent index address does not have channel number mark on carrier frequency Rfi under the carrier frequency Rfi of orientation Doai
Adjacent index address；The content deposited in index address is judged, channel number mark is determined whether, if so, then by channel
In the index address of number deposit PDWi, and PDWi is stored in corresponding channel number；
Step 8, if assigning new tunnel number to Addj without channel number mark is found in adjacent and lower neighbour on carrier frequency Rfi,
And PDWi is stored in new channel number；Then it is transferred to step 1, continues to read pulse, move in circles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810371330.XA CN108549061B (en) | 2018-04-24 | 2018-04-24 | Signal clustering method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810371330.XA CN108549061B (en) | 2018-04-24 | 2018-04-24 | Signal clustering method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108549061A true CN108549061A (en) | 2018-09-18 |
| CN108549061B CN108549061B (en) | 2022-02-11 |
Family
ID=63512213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810371330.XA Active CN108549061B (en) | 2018-04-24 | 2018-04-24 | Signal clustering method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108549061B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110806563A (en) * | 2019-11-19 | 2020-02-18 | 西南交通大学 | Radiation source signal clustering and sorting method based on radar pulse aliasing degree judgment |
| CN113075637A (en) * | 2021-04-29 | 2021-07-06 | 中国船舶重工集团公司第七二三研究所 | Airborne PD radar signal sorting method based on pulse descriptor data compression |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3922676A (en) * | 1964-11-12 | 1975-11-25 | Us Navy | Signal sorting device |
| JPH05189353A (en) * | 1992-01-14 | 1993-07-30 | Nec Corp | Channel number setting system for information processing system |
| CN101094179A (en) * | 2007-07-16 | 2007-12-26 | 中兴通讯股份有限公司 | Method and device for looking up route indexed in multiple stages |
| CN102879765A (en) * | 2012-09-27 | 2013-01-16 | 哈尔滨工程大学 | Quick signal sorting method on basis of clustering statistical analysis |
| CN103150269A (en) * | 2011-12-06 | 2013-06-12 | 广东新岸线计算机系统芯片有限公司 | Method and system for controlling data cache |
| CN103954935A (en) * | 2014-05-12 | 2014-07-30 | 哈尔滨工业大学 | Radar signal sorting method under minimum L1 bound norm |
| CN108226869A (en) * | 2017-12-13 | 2018-06-29 | 扬州健行电子科技有限公司 | A kind of detection method of the radar signal of PRF staggering |
| CN112986928A (en) * | 2021-03-11 | 2021-06-18 | 哈尔滨工程大学 | Signal sorting multi-source fusion processing method in complex electromagnetic environment |
-
2018
- 2018-04-24 CN CN201810371330.XA patent/CN108549061B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3922676A (en) * | 1964-11-12 | 1975-11-25 | Us Navy | Signal sorting device |
| JPH05189353A (en) * | 1992-01-14 | 1993-07-30 | Nec Corp | Channel number setting system for information processing system |
| CN101094179A (en) * | 2007-07-16 | 2007-12-26 | 中兴通讯股份有限公司 | Method and device for looking up route indexed in multiple stages |
| CN103150269A (en) * | 2011-12-06 | 2013-06-12 | 广东新岸线计算机系统芯片有限公司 | Method and system for controlling data cache |
| CN102879765A (en) * | 2012-09-27 | 2013-01-16 | 哈尔滨工程大学 | Quick signal sorting method on basis of clustering statistical analysis |
| CN103954935A (en) * | 2014-05-12 | 2014-07-30 | 哈尔滨工业大学 | Radar signal sorting method under minimum L1 bound norm |
| CN108226869A (en) * | 2017-12-13 | 2018-06-29 | 扬州健行电子科技有限公司 | A kind of detection method of the radar signal of PRF staggering |
| CN112986928A (en) * | 2021-03-11 | 2021-06-18 | 哈尔滨工程大学 | Signal sorting multi-source fusion processing method in complex electromagnetic environment |
Non-Patent Citations (2)
| Title |
|---|
| YU ZHIFU ET AL.: "A Multi-parameter Synthetic Signal Sorting Algorithm Based on Clustering", 《THE EIGHTH INTERNATIONAL CONFERENCE ON ELECTRONIC MEASUREMENT AND INSTRUMENTS》 * |
| 陆效梅: "一种实用的复杂信量分选技术", 《舰船电子对抗》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110806563A (en) * | 2019-11-19 | 2020-02-18 | 西南交通大学 | Radiation source signal clustering and sorting method based on radar pulse aliasing degree judgment |
| CN113075637A (en) * | 2021-04-29 | 2021-07-06 | 中国船舶重工集团公司第七二三研究所 | Airborne PD radar signal sorting method based on pulse descriptor data compression |
| CN113075637B (en) * | 2021-04-29 | 2022-06-07 | 中国船舶重工集团公司第七二三研究所 | Airborne PD radar signal sorting method based on pulse descriptor data compression |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108549061B (en) | 2022-02-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109856631B (en) | Intelligent coal caving method based on real-time monitoring of thickness variation of top coal | |
| CN109270497B (en) | Multidimensional parameter pre-sorting method for radar pulse signals | |
| CN106405518A (en) | Complex system radar signal grade correlating, clustering and sorting method | |
| CN108490410A (en) | A kind of two-coordinate radar is to extra large target joint-detection tracking | |
| US11533590B2 (en) | Method for converging sensed information of multiple sensors and device thereof | |
| CN108549061A (en) | A kind of clustering method of signal | |
| CN108919193A (en) | A kind of parameter agile radar signal sorting method excavated based on sequence fragment | |
| CN106405510B (en) | A kind of track delet method based on pseudo- sliding window L decision rule | |
| CN106597365A (en) | Complex electronic signal time-difference positioning method based on time-domain clustering | |
| GB2122449A (en) | Detecting targets and suppressing clutter in radar | |
| CN103941236A (en) | Multi-parameter rasterizing sliding signal statistic screening processing method | |
| CN110879881B (en) | Mouse track recognition method based on feature component hierarchy and semi-supervised random forest | |
| CN108562875A (en) | A kind of method for separating of prior data bank matching method to radar signal | |
| CN106019251A (en) | Radar positioning method and device and ETC transaction method and system | |
| CN111693945A (en) | Method and system for identifying modulation mode between pulses, computer equipment and storage medium | |
| CN105866769B (en) | Multi-target TBD (track-before-detect) method for parallel computation | |
| CN104375139B (en) | Pulse Doppler radar ranging improvement method based on one-dimensional set method | |
| CN108549055A (en) | A kind of method for separating of same orientation multi-section homotype or different shaped radar signal | |
| Lan et al. | A hand gesture recognition system based on 24GHz radars | |
| CN108645505B (en) | Stochastic resonance weak signal detection method | |
| CN112751633B (en) | Broadband spectrum detection method based on multi-scale window sliding | |
| CN104360339B (en) | Laser radar air strip scanning boundary identification method and device | |
| JP2000346932A (en) | Target tracking method and target tracking radar apparatus | |
| CN110426696B (en) | Pulse defect radar signal characteristic sequence searching method | |
| CN109765425A (en) | A kind of pulse signal frequency analysis method weighted based on time difference between peak value and energy |
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 |