CN102709677A - Multi-mode and multi-frequency circularly polarized receiving antenna for positioning Beidou second generation satellite - Google Patents
Multi-mode and multi-frequency circularly polarized receiving antenna for positioning Beidou second generation satellite Download PDFInfo
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- CN102709677A CN102709677A CN2012101602786A CN201210160278A CN102709677A CN 102709677 A CN102709677 A CN 102709677A CN 2012101602786 A CN2012101602786 A CN 2012101602786A CN 201210160278 A CN201210160278 A CN 201210160278A CN 102709677 A CN102709677 A CN 102709677A
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Abstract
The invention belongs to the technical field of an antenna, and especially relates to a multi-mode and multi-frequency circularly polarized receiving antenna. The multi-mode and multi-frequency circularly polarized receiving antenna is mainly used for solving the problem that the existing technology can not consider the antenna performance and the preparation technique. The multi-mode and multi-frequency circularly polarized receiving antenna comprises a hollow antenna bracket, a radiating element and a feed line; the hollow antenna bracket (1) adopts an integrated structure of which upper part is in the shape of circular truncated cone and the lower part is in the shape of column; the radiating element adopts two symmetrical metal band wire radiating bodies (2) and a radiating body (3); the width of the metal band wires of two radiating elements is as follows: W is not more than 4mm and not less than 8mm; the metal band wires are intermitted uniformly at equal width according to the spiral angle alpha being not more than 70 degrees and not less than 55 degrees, and the metal band wires are twisted to the top end of the antenna bracket (1) from the lower end of the antenna bracket; the feed line (4) adopts the transition line form, is lifted to the top end from the inner part of the antenna bracket to perform the balanced power feeding; and the metal band wire radiating bodies (2) and the radiating body (3) are connected with an outer conductor and a core wire of the feed line (4) respectively. The multi-mode and multi-frequency circularly polarized receiving antenna is wide in bandwidth, good in directional diagram, small in polarized axial ratio, and simple in manufacturing technique; the multi-mode and multi-frequency circularly polarized receiving antenna can be applied to the positioning of the Beidou second generation satellite.
Description
Technical field
The present invention relates to antenna technical field, particularly relate to multimode multifrequency circular polarization reception antenna, can be used for the Big Dipper two generations satellite fix.
Background technology
Traditional satellite fix reception antenna has microstrip antenna, right-angled intersection element antenna, four-arm spiral antenna etc.; Mostly these antenna is single mode or arrowband work; Promptly can only receiving world locational system GPS, a satellite system signal among Big Dipper BD or the GLONASS GLONASS; When realizing multiple-frequency operation, its directional diagram is not very desirable.Thereby application receives certain restriction.
Chinese patent CN 201120317215.8 discloses a kind of military Big Dipper two generations satellite fix multimode multifrequency circular polarization reception antenna; This antenna adopts the variant of circular cone isogonism both arms helical antenna; On the circular cone support, feeder line rises to the top along a hurricane band wire spoke beam wherein and carries out balanced feeding with two equiangular spiral metal tape wire spoke beams.Though this antenna function admirable, the width of its metal tape wire spoke beam is gradual change, makes complicated process of preparationization, has limited the use of antenna.
Summary of the invention
The objective of the invention is to deficiency, the simple Big Dipper of a kind of excellent performance and preparation technology two generations satellite fix multimode multifrequency circular polarization reception antenna is provided to above-mentioned prior art.
For realizing above-mentioned purpose; The present invention includes: hollow antenna holder, radiating element and feeder line; Radiating element adopts two the metal tape wire spoke beams (2) and the radiant body (3) of symmetry; Be wrapped in the outer surface of hollow antenna holder, it is characterized in that: described metal tape wire spoke beam (2) and radiant body (3) with equilibrium etc. wide interval, be wound to the top of antenna holder from the lower end of antenna holder; Described feeder line adopts the transition line structure, rises to the top from hollow sting inside and carries out balanced feeding.
The transition line structure that said feeder line adopts is that the outer conductor with the feeder line bottom position all wraps heart yearn, and the outer conductor of feeder line tip position is parallel with heart yearn, wraps to the outer conductor portion gradual change in feeder line centre position heart yearn.
Said metal tape wire spoke beam (2) links to each other with heart yearn with the outer conductor of feeder line respectively with radiant body (3).
It is columniform integrative-structure for conical, bottom that described hollow antenna holder adopts top.
The present invention makes it easy to be wrapped on the hollow antenna holder because a day tape beta radiation body (2) and (3) adopts wide structure, has simplified the preparation technology of antenna; Because feeder line adopts the version of transition line, the balanced feeding and the impedance conversion in antenna broadband have been realized simply simultaneously; Because feeder line directly rises to the top through hollow antenna holder inside and carries out balanced feeding, shorten the length of feeder line in addition, reduced the antenna making cost.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the central shaft cutaway view of Fig. 1;
Fig. 3 is the sketch map of the gradual change part of feeder line among Fig. 2;
Fig. 4 is an antenna standing wave ratio measured drawing of the present invention;
Fig. 5 is the actual measurement directional diagram of antenna of the present invention at the height frequency;
Fig. 6 is the axial ratio measured drawing of antenna of the present invention at the height frequency.
Embodiment
With reference to Fig. 1, the Big Dipper two generations satellite fix multimode multifrequency circular polarization reception antenna of the present invention provides following 3 kinds of embodiment:
The Big Dipper two generations satellite fix multimode multifrequency circular polarization reception antenna of the present invention comprises hollow antenna holder 1, pair of metal band wire spoke beam 2 and 3, feeder line 4 and antenna base 5.Its hollow core antenna holder 1 employing top is that truncated cone-shaped, bottom are columniform integrative-structure; The ratio of its top round platform diameter d and lower cylindrical diameter D is: d/D=0.3, and the ratio of the height h of top truncated cone-shaped and the overall height H of antenna holder is h/H=0.45; Pair of metal band wire spoke beam 2 and 3 is arranged on the outer surface of hollow antenna holder 1, forms symmetrical structure; Feeder line 4 is worn to the top by hollow antenna holder 1 inside and carried out balanced feeding, and is as shown in Figure 2; Antenna base 5 is used for fixing the feed connection 6 of hollow antenna holder 1 and feeder line 4.
The pair of metal band wire spoke beam 2 and the radiant body 3 of said symmetry; The width W of its metal tape line is taken as 6mm; And both with equilibrium etc. wide interval; ° be wound to the top of hollow antenna holder 1 according to pitch angle alpha will=60, and link to each other with outer conductor with the heart yearn of feeder line 4 respectively at top end from the lower end of hollow antenna holder 1.
With reference to Fig. 3, feeder line 4 adopts the transition line structure, and promptly the outer conductor of feeder line 4 bottom positions all wraps heart yearn, and the outer conductor of feeder line 4 tip positions is parallel with heart yearn, wraps to the outer conductor portion gradual change in feeder line 4 centre positions heart yearn.
The Big Dipper two generations satellite fix multimode multifrequency circular polarization reception antenna of the present invention comprises hollow antenna holder 1, pair of metal band wire spoke beam 2 and 3, feeder line 4 and antenna base 5.Its hollow core antenna holder 1 employing top is that truncated cone-shaped, bottom are columniform integrative-structure, and the ratio of its top round platform diameter d and lower cylindrical diameter D is d/D=0.3, and the ratio of the height h of top truncated cone-shaped and the overall height H of antenna holder is h/H=0.45; Pair of metal band wire spoke beam 2 and 3 is arranged on the outer surface of hollow antenna holder 1; The width W of its metal tape line is taken as 4mm; And both with equilibrium etc. wide interval; ° be wound to the top of hollow antenna holder 1 according to pitch angle alpha will=55, and link to each other with outer conductor with the heart yearn of feeder line 4 respectively, form symmetrical structure at top end from the lower end of hollow antenna holder 1.
The Big Dipper two generations satellite fix multimode multifrequency circular polarization reception antenna of the present invention comprises hollow antenna holder 1, pair of metal band wire spoke beam 2 and 3, feeder line 4 and antenna base 5.Its hollow core antenna holder 1 employing top is that truncated cone-shaped, bottom are columniform integrative-structure, and the ratio of its top round platform diameter d and lower cylindrical diameter D is d/D=0.3, and the ratio of the height h of top truncated cone-shaped and the overall height H of antenna holder is h/H=0.45; The width W of pair of metal band wire spoke beam 2 and 3 metal tape line is taken as 8mm; And both with equilibrium etc. wide interval; ° be wound to the top of hollow antenna holder 1 from the lower end of hollow antenna holder 1 according to pitch angle alpha will=70; And link to each other with outer conductor with the heart yearn of feeder line 4 respectively at top end, form symmetrical structure.Feeder line 4 is worn to the top by hollow antenna holder 1 inside and is carried out balanced feeding, and as shown in Figure 2, its structure is identical with embodiment 1; The feed connection 6 of hollow antenna holder 1 and feeder line 4 is fixed together through antenna base 5.
Effect of the present invention can further specify through following measured data:
Claims (6)
1. the Big Dipper two generations satellite fix multimode multifrequency circular polarization reception antenna; Comprise hollow antenna holder, radiating element and feeder line; Radiating element adopts two the metal tape wire spoke beams (2) and the radiant body (3) of symmetry, is wrapped in the outer surface of hollow antenna holder, it is characterized in that:
Described metal tape wire spoke beam (2) and radiant body (3), the width W of its metal tape line is identical, and with equilibrium etc. wide interval, be wound to the top of antenna holder, 4mm≤W≤8mm, 55 °≤α≤70 ° from the lower end of antenna holder according to pitch angle alpha will;
Described feeder line adopts the transition line structure, rises to the top from hollow sting inside and carries out balanced feeding.
2. the Big Dipper two generations satellite fix multimode multifrequency circular polarization reception antenna according to claim 1; It is characterized in that the transition line structure that said feeder line adopts; Be that outer conductor with the feeder line bottom position all wraps heart yearn; The outer conductor of feeder line tip position is parallel with heart yearn, wraps to the outer conductor portion gradual change in feeder line centre position heart yearn.
3. the Big Dipper two generations satellite fix multimode multifrequency circular polarization reception antenna according to claim 1 and 2 is characterized in that metal tape wire spoke beam (2) links to each other with heart yearn with the outer conductor of feeder line respectively with radiant body (3).
4. the Big Dipper two generations satellite fix multimode multifrequency circular polarization reception antenna according to claim 1 is characterized in that it is that truncated cone-shaped, bottom are columniform integrative-structure that hollow antenna holder adopts top.
5. the Big Dipper two generations satellite fix multimode multifrequency circular polarization reception antenna according to claim 1 is characterized in that the top round platform diameter d of described hollow antenna holder and the ratio of lower cylindrical diameter D are: d/D=0.3.
6. the Big Dipper two generations satellite fix multimode multifrequency circular polarization reception antenna according to claim 1 is characterized in that the ratio of overall height H of height h and the antenna holder of described hollow antenna holder top truncated cone-shaped is: h/H=0.45.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101602786A CN102709677A (en) | 2012-05-22 | 2012-05-22 | Multi-mode and multi-frequency circularly polarized receiving antenna for positioning Beidou second generation satellite |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101602786A CN102709677A (en) | 2012-05-22 | 2012-05-22 | Multi-mode and multi-frequency circularly polarized receiving antenna for positioning Beidou second generation satellite |
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| Publication Number | Publication Date |
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| CN102709677A true CN102709677A (en) | 2012-10-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101602786A Pending CN102709677A (en) | 2012-05-22 | 2012-05-22 | Multi-mode and multi-frequency circularly polarized receiving antenna for positioning Beidou second generation satellite |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105703061A (en) * | 2016-03-23 | 2016-06-22 | 上海航天测控通信研究所 | Helical antenna |
| CN108281785A (en) * | 2018-01-23 | 2018-07-13 | 北京微纳星空科技有限公司 | A kind of mobile satellite communication handheld terminal antenna |
| CN109037917A (en) * | 2018-07-23 | 2018-12-18 | 南京华讯方舟通信设备有限公司 | Helical antenna with coupled structure |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3923329B2 (en) * | 2002-02-07 | 2007-05-30 | 株式会社ヨコオ | Compound antenna |
| CN101394020A (en) * | 2008-11-13 | 2009-03-25 | 上海交通大学 | Ultra-wideband flat helical antenna having back chamber |
| CN201623259U (en) * | 2009-12-30 | 2010-11-03 | 中国电子科技集团公司第三十六研究所 | Composite loaded plane helical antenna |
| CN202205885U (en) * | 2011-08-26 | 2012-04-25 | 西安星网天线技术有限公司 | Military Beidou second-generation satellite positioned multimode multi-frequency polarized receiving antenna |
-
2012
- 2012-05-22 CN CN2012101602786A patent/CN102709677A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3923329B2 (en) * | 2002-02-07 | 2007-05-30 | 株式会社ヨコオ | Compound antenna |
| CN101394020A (en) * | 2008-11-13 | 2009-03-25 | 上海交通大学 | Ultra-wideband flat helical antenna having back chamber |
| CN201623259U (en) * | 2009-12-30 | 2010-11-03 | 中国电子科技集团公司第三十六研究所 | Composite loaded plane helical antenna |
| CN202205885U (en) * | 2011-08-26 | 2012-04-25 | 西安星网天线技术有限公司 | Military Beidou second-generation satellite positioned multimode multi-frequency polarized receiving antenna |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105703061A (en) * | 2016-03-23 | 2016-06-22 | 上海航天测控通信研究所 | Helical antenna |
| CN105703061B (en) * | 2016-03-23 | 2019-04-16 | 上海航天测控通信研究所 | A kind of helical antenna |
| CN108281785A (en) * | 2018-01-23 | 2018-07-13 | 北京微纳星空科技有限公司 | A kind of mobile satellite communication handheld terminal antenna |
| CN109037917A (en) * | 2018-07-23 | 2018-12-18 | 南京华讯方舟通信设备有限公司 | Helical antenna with coupled structure |
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Application publication date: 20121003 |