CN102738575A - Ultra-wideband four-arm spiral antenna and signal processing method - Google Patents
Ultra-wideband four-arm spiral antenna and signal processing method Download PDFInfo
- Publication number
- CN102738575A CN102738575A CN2012102182984A CN201210218298A CN102738575A CN 102738575 A CN102738575 A CN 102738575A CN 2012102182984 A CN2012102182984 A CN 2012102182984A CN 201210218298 A CN201210218298 A CN 201210218298A CN 102738575 A CN102738575 A CN 102738575A
- Authority
- CN
- China
- Prior art keywords
- filter
- amplifying circuit
- arm spiral
- frequency
- signal
- 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
Images
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The invention discloses an ultra-wideband four-arm spiral antenna and a signal processing method. The antenna comprises a passive four-arm spiral radiating antenna body, four metal feed probes, a probe positioning column and an active circuit board. The method comprises the following steps that in the active circuit board, two paths of feed signals of the metal feed probes are divided into two paths of signals sequentially through a common-frequency combiner and a splitter, and the two paths of signals respectively are high-frequency signals and low-frequency signals; the high-frequency signals are sequentially filtered through a first filter, amplified through a first amplifying circuit, filtered again through a third filter and amplified again through a third amplifying circuit to be input to the combiner; the low-frequency signals are filtered through a second filter, amplified through a second amplifying circuit, filtered through a fourth filter and amplified through a fourth amplifying circuit to be input to the combiner; and the two paths of signals are combined through the combiner and are then amplified through a fifth amplifying circuit to be output through a video connector. Compared with the prior art, the ultra-wideband four-arm spiral antenna and the method have the advantages that the frequency of the high-frequency signals is 1545MHz-1625MHz, and the frequency of the low-frequency signals is 1156MHz-1286MHz; the coverage area of the band is wider; and the structure is simple and practical.
Description
Technical field
The present invention relates to a kind of antenna, relate in particular to a kind of ultrabroad band four-arm spiral antenna and signal processing method.
Background technology
Along with having runed or the Galileo system in GPS of USA system, Muscovite GLONASS system, Europe and " No. two, the Big Dipper " satellite navigation and location system of China are arranged in the present whole world in the satellite navigation system of building.They belong to Passive Positioning System, calculate customer position information through accepting four satellite-signals.The satellite navigation Technology of Precision Measurement has been widely used in the numerous areas of economic construction and science and technology; Especially geodesy and related discipline field thereof comprise geodynamics, marine geodesy, astronomy, geophysical exploration, resource exploration, engineering survey and engineering project deformation monitoring etc.
Because most of system and antenna all are based on the single-mode of GPS of America navigation system in the market, potential safety hazard when causing time service, location; And the positioning accuracy of existing gps satellite navigation system can not satisfy the requirement of user's hi-Fix; Proposed to hold the global navigation satellite system GNSS (Global Navigation Satellite System) of all global position systems at present in the world for this reason; Antenna is as the critical component in the global position system, and its high accuracy ultra-wide band antenna GNSS antenna has become an important problem.
High-precision antenna is as the important component part of high accuracy satellite navigation receiver, and how its performance is directly connected to the size of satellite navigation receiver certainty of measurement: the phase center of antenna changes and multipath effect is the appreciable error source in the high accuracy satellite navigation measuring system; The low elevation gain of antenna influences the sensitivity of receiver.
Summary of the invention
The present invention seeks to provide a kind of signal processing method of ultrabroad band four-arm spiral antenna to the defective that prior art exists.
The present invention adopts following technical scheme for realizing above-mentioned purpose:
A kind of ultrabroad band four-arm spiral antenna of the present invention comprises passive four arm spiral radiation antenna bodies, four metal feed probes, probe reference column and active circuit plates; Said four metal feed probes are fixed on the passive four arm spiral radiation antenna bodies through the probe reference column, and passive four arm spiral radiation antenna bodies are arranged on the active circuit plate.
Preferably, equal length is stretched out on said passive four arm spiral radiation antenna bodies four limits, and to be four of the 90 ° of symmetries of being separated by long-armed, and the antenna radiator center is summit, foursquare four right angle and is distributed with four power feed hole.
Preferably, said four metal feed probes outer layer metal layers are ground plane, and the centre feed pin is a feed layer; Wherein first, second metal feed probes only uses ground plane to do ground connection use; The outer layer metal that the feed pin of the 3rd metal feed probes connects the second metal feed probes links to each other with ground, and the outer layer metal that the feed pin of while the 4th metal feed probes connects the first metal feed probes links to each other with ground; Three, the 4th metal feed probes is respectively with the signal feed-in active circuit plate of accepting.
Preferably; Said active circuit plate comprises same frequency combiner, splitter, first filter, first amplifying circuit, the 3rd filter, second filter, second amplifying circuit, the 4th filter, the 4th amplifying circuit, mixer, the 5th amplifying circuit and the 3rd amplifying circuit; Wherein connect the input of first filter and second filter behind the output serial connection splitter with frequency combiner respectively; The output of first filter is connected in series the input that connects the 4th amplifying circuit behind an amplifying circuit, the 4th filter successively; The output of second filter is connected in series the input that connects the 3rd amplifying circuit behind two amplifying circuits, the 3rd filter successively; Three, the output of the 4th amplifying circuit connects the input of mixer respectively, the input of output termination the 5th amplifying circuit of mixer.
Preferably, said probe reference column links to each other with the active circuit plate with passive antenna through glue, and altitude range is set between the 20-21mm.
A kind of signal processing method of ultrabroad band four-arm spiral antenna is following:
In the said active circuit plate; The two way feed signal of metal feed probes is divided into two paths of signals through same frequency combiner, splitter successively and is respectively high-frequency signal and low frequency signal, and said high-frequency signal amplifies once more through first filter filtering, the amplification of the first amplifying circuit signal, the filtering once more of the 3rd filter, the 3rd amplifying circuit successively and is input to mixer; Said low frequency signal is input to mixer through second filter filtering, the amplification of the second amplifying circuit signal, the 4th filter filtering, the amplification of the 4th amplifying circuit signal; Said mixer is the synthetic video-frequency connector output after the 5th amplifying circuit amplifies with two paths of signals.
Preferably, said high-frequency signal frequency is 1545MHZ-1625MHZ.
Preferably, said low frequency signal frequency is 1156MHZ-1286MHZ.
The present invention is existing, and the high-frequency signal frequency is 1545MHZ-1625MHZ for prior art, and the low frequency signal frequency is 1156MHZ-1286MHZ, and the frequency band coverage is wider, and is simple and practical.
Description of drawings
Fig. 1: four feed probes connection layouts of the present invention.
Fig. 2: probe stationary rod structure figure of the present invention.
Fig. 3: the present invention's four arm spiral radiation antenna body structure charts.
Fig. 4: active circuit plate schematic diagram of the present invention.
Embodiment
A kind of ultrabroad band four-arm spiral antenna of the present invention comprises passive four arm spiral radiation antenna bodies, four metal feed probes, probe reference column and active circuit plates; Said four metal feed probes are fixed on the passive four arm spiral radiation antenna bodies through the probe reference column, and passive four arm spiral radiation antenna bodies are arranged on the active circuit plate.
As shown in Figure 3; Said four arm spiral radiation antenna bodies adopt the FPC material to be made; Radiant body stretches out equal length, and to be four of the 90 ° of symmetries of being separated by long-armed, and the center is summit, foursquare four right angle and is distributed with four power feed hole, and the last metal radiant body of FPC is the rule symmetric figure; Each single armed edge has two trapezoidal stretching out respectively, is used to be stuck in lower floor's active circuit plate.
As shown in Figure 1, said four feed probes are set at A, B, C, D like figure respectively, and outer layer metal layer is a ground plane, and the centre feed pin is a feed layer;
As shown in Figure 2, said feed probes fixes through the probe reference column, and the probe reference column is a cylinder, and there are four four through hole Es, F, G, the Hs bigger slightly than probe in its inside, four through holes respectively with four power feed hole symmetries of passive antenna radiant body;
Said feed probes A, B, C, D; Pass the passive antenna radiant body and penetrate the active circuit plate through probe reference column E, F, G, H; Wherein A, B probe are only done ground connection use, and the summit feed pin of probe C connects the B probe and links to each other with ground, and the summit feed pin of while probe D connects the A probe and links to each other with ground; Probe C and D are respectively with the two paths of signals feed-in active circuit plate plate of accepting;
Said probe reference column links to each other with the active circuit plate with passive antenna through AB glue, and the support column altitude range is set between the 20-21mm;
As shown in Figure 4; A kind of signal processing method of ultrabroad band four-arm spiral antenna is following: in the said active circuit plate; The two way feed signal of metal feed probes is respectively high-frequency signal and low frequency signal through being divided into two paths of signals with frequency combiner 101, splitter 102 successively, and said high-frequency signal amplifies once more through 103 filtering of first filter, the amplification of first amplifying circuit, 104 signals, the 3rd filter 105 filtering once more, the 3rd amplifying circuit 112 successively and is input to mixer 110; Said low frequency signal is input to mixer 110 through 106 filtering of second filter, the amplification of second amplifying circuit, 107 signals, 108 filtering of the 4th filter, the amplification of the 4th amplifying circuit 109 signals; Said mixer 110 is synthetic video-frequency connector 113 outputs after the 5th amplifying circuit 111 amplifies with two paths of signals.
Preferably, said high-frequency signal frequency is 1545MHZ-1625MHZ.
Preferably, said low frequency signal frequency is 1156MHZ-1286MHZ.
Claims (8)
1. a ultrabroad band four-arm spiral antenna comprises passive four arm spiral radiation antenna bodies, four metal feed probes, probe reference column and active circuit plates; Said four metal feed probes are fixed on the passive four arm spiral radiation antenna bodies through the probe reference column, and passive four arm spiral radiation antenna bodies are arranged on the active circuit plate.
2. a kind of ultrabroad band four-arm spiral antenna according to claim 1; It is characterized in that stretching out equal length in said passive four arm spiral radiation antenna bodies four limits, to be four of the 90 ° of symmetries of being separated by long-armed, and the antenna radiator center is summit, foursquare four right angle and is distributed with four power feed hole.
3. a kind of ultrabroad band four-arm spiral antenna according to claim 1 is characterized in that said four metal feed probes (A, B, C, D) outer layer metal layer is a ground plane, and the centre feed pin is a feed layer; Wherein first, second metal feed probes (A, B) only uses ground plane to do ground connection use; The outer layer metal that the feed pin of the 3rd metal feed probes (C) connects the second metal feed probes (B) links to each other with ground, and the outer layer metal that the feed pin of while the 4th metal feed probes (D) connects the first metal feed probes (A) links to each other with ground; Three, the 4th metal feed probes (C, D) is respectively with the signal feed-in active circuit plate of accepting.
4. a kind of ultrabroad band four-arm spiral antenna according to claim 1; It is characterized in that said active circuit plate comprises same frequency combiner (101), splitter (102), first filter (103), first amplifying circuit (104), the 3rd filter (105), second filter (106), second amplifying circuit (107), the 4th filter (108), the 4th amplifying circuit (109), mixer (110), the 5th amplifying circuit (111) and the 3rd amplifying circuit (112); Connect the input of first filter (103) and second filter (106) behind the output serial connection splitter (102) of wherein same frequency combiner (101) respectively; The output of first filter (103) is connected in series the input that connects the 4th amplifying circuit (109) behind an amplifying circuit (104), the 4th filter (108) successively; The output of second filter (106) is connected in series the input that connects the 3rd amplifying circuit (112) behind two amplifying circuits (107), the 3rd filter (105) successively; Three, the output of the 4th amplifying circuit (112,109) connects the input of mixer (110) respectively, the input of output termination the 5th amplifying circuit (111) of mixer (110).
5. a kind of ultrabroad band four-arm spiral antenna according to claim 1 is characterized in that said probe reference column links to each other with the active circuit plate with passive antenna through glue, and altitude range is set between the 20-21mm.
6. the signal processing method of an a kind of ultrabroad band four-arm spiral antenna as claimed in claim 1 is characterized in that said method is following:
In the said active circuit plate; The two way feed signal of metal feed probes is divided into two paths of signals through same frequency combiner (101), splitter (102) successively and is respectively high-frequency signal and low frequency signal, and said high-frequency signal amplifies once more through first filter (103) filtering, the amplification of first amplifying circuit (104) signal, the 3rd filter (105) filtering once more, the 3rd amplifying circuit (112) successively and is input to mixer (110); Said low frequency signal is input to mixer (110) through second filter (106) filtering, the amplification of second amplifying circuit (107) signal, the 4th filter (108) filtering, the amplification of the 4th amplifying circuit (109) signal; Said mixer (110) is synthetic video-frequency connector (113) output after the 5th amplifying circuit (111) amplifies with two paths of signals.
7. the signal processing method of a kind of ultrabroad band four-arm spiral antenna according to claim 6 is characterized in that said high-frequency signal frequency is 1545MHZ-1625MHZ.
8. the signal processing method of a kind of ultrabroad band four-arm spiral antenna according to claim 6 is characterized in that said low frequency signal frequency is 1156MHZ-1286MHZ.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210218298.4A CN102738575B (en) | 2012-06-28 | 2012-06-28 | A kind of ultra-wideband four-arm spiral antenna and signal processing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210218298.4A CN102738575B (en) | 2012-06-28 | 2012-06-28 | A kind of ultra-wideband four-arm spiral antenna and signal processing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102738575A true CN102738575A (en) | 2012-10-17 |
| CN102738575B CN102738575B (en) | 2016-10-19 |
Family
ID=46993630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210218298.4A Active CN102738575B (en) | 2012-06-28 | 2012-06-28 | A kind of ultra-wideband four-arm spiral antenna and signal processing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102738575B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109103587A (en) * | 2018-08-06 | 2018-12-28 | 上海海积信息科技股份有限公司 | A kind of new antenna |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010045916A1 (en) * | 2000-05-18 | 2001-11-29 | Mitsumi Electric Co. Ltd. | Helical antenna, antenna unit, composite antenna |
| CN101079519A (en) * | 2007-05-31 | 2007-11-28 | 西安理工大学 | Combined antenna receiving ultra-short wave and satellite signals |
| CN202150541U (en) * | 2011-06-21 | 2012-02-22 | 无锡海极电子科技有限公司 | Active FM antenna with spirally winded shaped antenna radiator |
| CN102496783A (en) * | 2011-06-21 | 2012-06-13 | 上海海积信息科技有限公司 | Wideband satellite positioning micro-band receiving antenna based on multiband and multisystem |
-
2012
- 2012-06-28 CN CN201210218298.4A patent/CN102738575B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010045916A1 (en) * | 2000-05-18 | 2001-11-29 | Mitsumi Electric Co. Ltd. | Helical antenna, antenna unit, composite antenna |
| CN101079519A (en) * | 2007-05-31 | 2007-11-28 | 西安理工大学 | Combined antenna receiving ultra-short wave and satellite signals |
| CN202150541U (en) * | 2011-06-21 | 2012-02-22 | 无锡海极电子科技有限公司 | Active FM antenna with spirally winded shaped antenna radiator |
| CN102496783A (en) * | 2011-06-21 | 2012-06-13 | 上海海积信息科技有限公司 | Wideband satellite positioning micro-band receiving antenna based on multiband and multisystem |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109103587A (en) * | 2018-08-06 | 2018-12-28 | 上海海积信息科技股份有限公司 | A kind of new antenna |
| CN109103587B (en) * | 2018-08-06 | 2024-01-05 | 上海海积信息科技股份有限公司 | Four-arm spiral antenna |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102738575B (en) | 2016-10-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104502887B (en) | Satellite orientation based azimuth calibration method | |
| US8094087B2 (en) | Portable navigational antenna system | |
| CN101750600B (en) | Real-time high-precision locating method used for surveying and mapping and navigating | |
| CN101915928B (en) | Method and device for double-star time difference/frequency difference combined positioning | |
| CN103713295B (en) | Veneer triantennary high accuracy positioning direction-finding receiver | |
| CN102117969B (en) | Array antenna | |
| CN101916901B (en) | Double-frequency microstrip antenna | |
| CN102202258A (en) | Mobile phone positioning system and positioning method thereof | |
| CN202678506U (en) | Choke coil GNSS antenna | |
| CN206235731U (en) | A kind of GPR equipment | |
| Neben et al. | Beam-forming errors in Murchison widefield array phased array antennas and their effects on epoch of reionization science | |
| ZhG | Entanglement difference of GNSS carrier phase for vehicle attitude determination | |
| CN102738575B (en) | A kind of ultra-wideband four-arm spiral antenna and signal processing method | |
| CN104792321A (en) | Auxiliary-positioning-based land information acquisition system and method | |
| Amami | Testing patch, helix and vertical dipole GPS antennas with/without choke ring frame | |
| CN207096446U (en) | A kind of environment surveys and draws vehicle | |
| CN101975960B (en) | Method for realizing target detection and positioning by utilizing GPS satellite navigation signal and device thereof | |
| EP2678902A1 (en) | Systems and methods for providing improved tcas bearing measurement | |
| CN202678508U (en) | Satellite microstrip receiving antenna for receiving frequency bands of GPS L1 and Beidou II B1 | |
| US8952848B2 (en) | System and method for determining the location of the phase center of an antenna | |
| CN107478904B (en) | Atmospheric phase disturbance correction method based on satellite positioning system difference | |
| Guo et al. | Progress of the satellite laser ranging system TROS1000 | |
| CN203414592U (en) | Apparatus for detecting satellite double-antenna orientation product in high-low temperature cabinet | |
| CN204809409U (en) | On -vehicle high accuracy multimode beidou navigation locating antenna | |
| Helm et al. | Status of GNSS reflectometry related receiver developments and feasibility studies within the German Indonesian Tsunami Early Warning System |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent of invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 201702 Shanghai city Qingpu District No. 599, building 1, 3 Gaojing Road, Room 301 Applicant after: SHANGHAI HIGH GAIN INFORMATION TECHNOLOGY CO., LTD. Address before: 200233, building 15, building 481, Guiping Road, Shanghai, Xuhui District, 6A1 Applicant before: Shanghai High Gain Information Technology Co., Ltd. |
|
| DD01 | Delivery of document by public notice |
Addressee: SHANGHAI HIGH GAIN INFORMATION TECHNOLOGY CO., LTD. Document name: Notification of an Office Action |
|
| DD01 | Delivery of document by public notice |
Addressee: SHANGHAI HIGH GAIN INFORMATION TECHNOLOGY CO., LTD. Document name: Notification that Application Deemed to be Withdrawn |
|
| DD01 | Delivery of document by public notice |
Addressee: Liu Chunzhu Document name: Notification of Passing Examination on Formalities |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |