CN109061552A - A kind of novel quick polycyclic radio-signal direction finding algorithm - Google Patents
A kind of novel quick polycyclic radio-signal direction finding algorithm Download PDFInfo
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- CN109061552A CN109061552A CN201810444538.XA CN201810444538A CN109061552A CN 109061552 A CN109061552 A CN 109061552A CN 201810444538 A CN201810444538 A CN 201810444538A CN 109061552 A CN109061552 A CN 109061552A
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- radio
- bearing
- direction finding
- ring
- radio bearing
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Classifications
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- 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
- G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
- G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
- G01S3/14—Systems for determining direction or deviation from predetermined direction
Abstract
The present invention relates to a kind of polycyclic radio-signal direction finding algorithm, the algorithm comprises the steps of: the first step, collecting sample value；Second step carries out direction finding using ring is slightly caught, and obtains the first radio bearing, and carry out interpolation to the first radio bearing, obtains the second radio bearing；Third step obtains third radio bearing, and carry out interpolation to third radio bearing, obtains the 4th radio bearing to the second radio bearing using ring progress direction finding is carefully caught；4th step catches ring using essence to the 4th radio bearing and carries out direction finding, obtains the 5th radio bearing, the 5th radio bearing is current wireless telecommunication direction.By the invention it is possible to realize a kind of polycyclic radio-signal direction finding algorithm.
Description
Technical field
The present invention relates to direction-finding station field, especially a kind of polycyclic radio-signal direction finding algorithm.
Background technique
It, be according to the phase difference currently measured calculation related to sample progress when carrying out direction finding using correlation interferometer theory
Method obtains maximally related orientation, as incoming wave orientation, fine as far as possible this requires carrying out the sample of related algorithm, sample
Orientation stepping just determines that system measures the precision in incoming wave orientation.By taking 1 ° of index request as an example: this will be current phase
Result can be just obtained after all carrying out related operation per phase difference once in 360 ° in difference and sample.Realizing the operation, there are two types of sides
Formula: first, if using serial structure, will take a significant amount of time, and direction finding result just loses actual effect, second, if adopting
With parallel organization, a large amount of hardware resource will be spent.
Summary of the invention
To solve the above-mentioned problems, the present invention proposes one kind based on the above issues, proposes that a kind of polycyclic radio signal is surveyed
To algorithm, which is characterized in that the algorithm comprises the steps of:
The first step, collecting sample value；
Second step carries out direction finding using ring is slightly caught, and obtains the first radio bearing, and carry out interpolation to the first radio bearing,
Obtain the second radio bearing；
Third step obtains third radio bearing, and wireless to third to the second radio bearing using ring progress direction finding is carefully caught
Electric orientation carries out interpolation, obtains the 4th radio bearing；
4th step catches ring using essence to the 4th radio bearing and carries out direction finding, obtains the 5th radio bearing, the 5th radio side
Position is current wireless telecommunication direction.
Further, the sample value of the first step is that stepping is 10 ° of progress in the range of 0 ° in the horizontal plane ~ 360 °
Acquisition.
Further, described slightly to catch ring, carefully catch that ring, essence catches ring is to make answering for the different measurement accuracy shown a C language
With program, the precision for slightly catching ring is 10 °, and the precision for carefully catching ring is 5 °, and the precision that the essence catches ring is
0.625°。
Further, interpolation is carried out to the first radio bearing in the second step, takes the first radio bearing and the
Positive and negative these three azimuthal points of 10 ° of sample value of one radio bearing horizontal plane carry out interpolation, and interpolation precision is 5 °.
Further, interpolation is carried out to third radio bearing in the third step, takes third radio bearing and the
Positive and negative these three azimuthal points of 5 ° of sample value of three radio bearing horizontal planes carry out interpolation, and interpolation precision is 0.625 °.
The purpose of the present invention is realized by the technical program: a kind of polycyclic radio-signal direction finding algorithm.
The invention has the following advantages that
1. direction finding result has actual effect.
2. spending less amount of hardware resource.
Detailed description of the invention
Fig. 1 is a kind of flow chart of polycyclic radio-signal direction finding algorithm.
Specific embodiment
The present invention will be further described with reference to the accompanying drawing, but protection scope of the present invention is not limited to following institute
It states.
As shown in Figure 1, a kind of polycyclic radio-signal direction finding algorithm, which is characterized in that the algorithm includes following step
It is rapid:
The first step, collecting sample value；
Second step carries out direction finding using ring is slightly caught, and obtains the first radio bearing, and carry out interpolation to the first radio bearing,
Obtain the second radio bearing；
Third step obtains third radio bearing, and wireless to third to the second radio bearing using ring progress direction finding is carefully caught
Electric orientation carries out interpolation, obtains the 4th radio bearing；
4th step catches ring using essence to the 4th radio bearing and carries out direction finding, obtains the 5th radio bearing, the 5th radio side
Position is current wireless telecommunication direction.
Further, the sample value of the first step is that stepping is 10 ° of progress in the range of 0 ° in the horizontal plane ~ 360 °
Acquisition.
Further, described slightly to catch ring, carefully catch that ring, essence catches ring is to make answering for the different measurement accuracy shown a C language
With program, the precision for slightly catching ring is 10 °, and the precision for carefully catching ring is 5 °, and the precision that the essence catches ring is
0.625°。
Further, interpolation is carried out to the first radio bearing in the second step, takes the first radio bearing and the
Positive and negative these three azimuthal points of 10 ° of sample value of one radio bearing horizontal plane carry out interpolation, and interpolation precision is 5 °, example: current
Orientation values are 20 °, and positive and negative 10 ° of present orientation are 10 ° and 30 °, the interpolation between 10 °, 20 ° and 30 °, the angle ° after interpolation
It is 10 °, 15 °, 20 °, 25 °, 30 °.
Further, interpolation is carried out to third radio bearing in the third step, takes third radio bearing and the
Positive and negative these three azimuthal points of 5 ° of sample value of three radio bearing horizontal planes carry out interpolation, and interpolation precision is 0.625 °, example: when
Front place value is 25 °, and positive and negative 5 ° of present orientation are 20 ° and 30 °, the interpolation between 20 °, 25 °, 30 °, the angle ° after interpolation
For 20.625 °, 21.25 °, 21.875 °, 22.5 °, 23.125 °, 23.75 °, 24.375 °, 25 °, 25.625 °, 26.25 °,
26.875°、27.5°、28.125°、28.75°、29.375°、30°。
It should be noted that for simple description, therefore, it is stated as a systems for each embodiment of the method above-mentioned
The combination of actions of column, but those skilled in the art should understand that, the application is not limited by the described action sequence, because
For according to the application, certain some step be can be performed in other orders or simultaneously.Secondly, those skilled in the art also should
Know, the embodiments described in the specification are all preferred embodiments, related movement and unit not necessarily this Shen
It please be necessary.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, is not described in some embodiment
Part, reference can be made to the related descriptions of other embodiments.
Those of ordinary skill in the art will appreciate that realizing all or part of the process in above-described embodiment method, being can be with
Relevant hardware is instructed to complete by computer program, the program can be stored in computer-readable storage medium
In, the program is when being executed, it may include such as the process of the embodiment of above-mentioned each method.Wherein, the storage medium can be magnetic
Dish, CD, ROM, RAM etc..
The above disclosure is only the preferred embodiments of the present invention, cannot limit the right model of the present invention with this certainly
It encloses, therefore equivalent changes made in accordance with the claims of the present invention, is still within the scope of the present invention.
Claims (5)
1. a kind of polycyclic radio-signal direction finding algorithm, which is characterized in that the algorithm comprises the steps of:
The first step, collecting sample value；
Second step carries out direction finding using ring is slightly caught, and obtains the first radio bearing, and carry out interpolation to the first radio bearing,
Obtain the second radio bearing；
Third step obtains third radio bearing, and wireless to third to the second radio bearing using ring progress direction finding is carefully caught
Electric orientation carries out interpolation, obtains the 4th radio bearing；
4th step catches ring using essence to the 4th radio bearing and carries out direction finding, obtains the 5th radio bearing, the 5th radio side
Position is current wireless telecommunication direction.
2. a kind of polycyclic radio-signal direction finding algorithm according to claim 1, which is characterized in that the first step
Sample value is that stepping is 10 ° and is acquired in the range of 0 ° in the horizontal plane ~ 360 °.
3. a kind of polycyclic radio-signal direction finding algorithm according to claim 1, which is characterized in that it is described slightly catch ring,
Carefully catch that ring, to catch ring be the application program for making the different measurement accuracy shown a C language to essence, the precision for slightly catching ring is 10 °,
The precision for carefully catching ring is 5 °, and the precision that the essence catches ring is 0.625 °.
4. a kind of polycyclic radio-signal direction finding algorithm according to claim 1, which is characterized in that in the second step
Interpolation is carried out to the first radio bearing, takes positive and negative 10 ° of the sample of the first radio bearing and the first radio bearing horizontal plane
These three azimuthal points of this value carry out interpolation, and interpolation precision is 5 °.
5. a kind of polycyclic radio-signal direction finding algorithm according to claim 1, which is characterized in that in the third step
Interpolation is carried out to third radio bearing, takes positive and negative 5 ° of the sample of third radio bearing and third radio bearing horizontal plane
It is worth these three azimuthal points and carries out interpolation, interpolation precision is 0.625 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810444538.XA CN109061552B (en) | 2018-05-10 | 2018-05-10 | Novel rapid multi-ring radio signal direction finding algorithm |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810444538.XA CN109061552B (en) | 2018-05-10 | 2018-05-10 | Novel rapid multi-ring radio signal direction finding algorithm |
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| Publication Number | Publication Date |
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| CN109061552A true CN109061552A (en) | 2018-12-21 |
| CN109061552B CN109061552B (en) | 2023-09-19 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101470187A (en) * | 2007-12-26 | 2009-07-01 | 中国科学院声学研究所 | High-precision direction finding method used for linear array |
| CN102175988A (en) * | 2011-01-21 | 2011-09-07 | 电子科技大学 | Direction finding method of correlative interferometer based on dimension division |
| CN105676171A (en) * | 2016-01-04 | 2016-06-15 | 国家无线电监测中心 | Single channel dual base station ultra-short wave signal spatial positioning method |
| CN205880195U (en) * | 2016-07-22 | 2017-01-11 | 成都国蓉科技有限公司 | Radio direction finding system |
-
2018
- 2018-05-10 CN CN201810444538.XA patent/CN109061552B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101470187A (en) * | 2007-12-26 | 2009-07-01 | 中国科学院声学研究所 | High-precision direction finding method used for linear array |
| CN102175988A (en) * | 2011-01-21 | 2011-09-07 | 电子科技大学 | Direction finding method of correlative interferometer based on dimension division |
| CN105676171A (en) * | 2016-01-04 | 2016-06-15 | 国家无线电监测中心 | Single channel dual base station ultra-short wave signal spatial positioning method |
| CN205880195U (en) * | 2016-07-22 | 2017-01-11 | 成都国蓉科技有限公司 | Radio direction finding system |
Non-Patent Citations (2)
| Title |
|---|
| 李华会: "《基于阵列合成的相关干涉仪测向算法的实现》", 《，中国优秀博硕士学位论文全文数据库(硕士)信息科技辑》 * |
| 谢浩: "信号源测向与定位研究", 《中国优秀博硕士学位论文全文数据库(硕士)信息科技辑》 * |
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