CN202678508U - Satellite microstrip receiving antenna for receiving frequency bands of GPS L1 and Beidou II B1 - Google Patents
Satellite microstrip receiving antenna for receiving frequency bands of GPS L1 and Beidou II B1 Download PDFInfo
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- CN202678508U CN202678508U CN2011205004956U CN201120500495U CN202678508U CN 202678508 U CN202678508 U CN 202678508U CN 2011205004956 U CN2011205004956 U CN 2011205004956U CN 201120500495 U CN201120500495 U CN 201120500495U CN 202678508 U CN202678508 U CN 202678508U
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- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 claims description 9
- 239000000919 ceramic Substances 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
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Abstract
The utility model discloses a wideband satellite positioning microstrip receiving antenna for receiving frequency bands of GPS L1 and Beidou II B1. The microstrip receiving antenna comprises a microstrip antenna, a bottom-layer grounding patch and a feed network printed circuit board arranged at the bottom layer. The microstrip receiving antenna is characterized in that the microstrip antenna is composed of an upper-layer patch and an antenna dielectric slab; the microstrip antenna and the bottom-layer grounding patch are connected with the feed network printed circuit board by a mode with a plurality of feed pins; the feed network on the printed circuit board comprises a bridge coupler, a first low-noise amplifier, a filter and a second low-noise amplifier; and signals of two feed points of the microstrip antenna are coupled to form a path of signals by the bridge coupler, amplified by the first low-noise amplifier, filtered by the filter, amplified by the second low-noise amplifier in sequence, and then input to a radio-frequency signal receiving device. The multi-satellite multi-frequency microstrip receiving antenna is a multi-satellite multi-frequency wide-band antenna which can be used for covering the GPS L1, and the Beidou II B1.
Description
Technical field:
The utility model relates to a kind of reception antenna, particularly a kind of broadband satellite fix Microstrip Receiving Antenna for receiving GPS L1 and the Big Dipper two generations B1 frequency range.
Background technology:
As everyone knows, existing double-frequency micro-strip antenna is as measurement type antenna, usually can only receive from GPS (Global Positioning System global positioning system) L1 frequency band signals with from GLONASS (Global Navigation Satellite System GLONASS (Global Navigation Satellite System)) signal of L1 frequency range or the signal of two above successive bands, such as the L1 frequency range of the L1 frequency range of gps system, GLONASS system and the Chinese Big Dipper two generations system navigation frequency range etc.
Development along with multimodal satellite navigation, location technology, need multisystem that navigation, positioning service are provided simultaneously, therefore, the user can select to accept needed satellite-signal as required voluntarily in actual use, the performance of antenna is directly connected to the height of final certainty of measurement, the variation of antenna phase center and multipath effect are to affect the topmost source of error of precision, and the antenna low elevation gain affects the sensitivity of receiver.The navigation of using is at present accepted in the antenna, and its frequency coverage, radiation beam width etc. are difficult to reach simultaneously real requirement.
The phase center of antenna and its geometric center should be consistent in theory.Yet, the phase center of antenna is actually that intensity with signal input is different with direction to be changed, the instantaneous position of phase center when namely observing (generally claiming phase center) and theoretic phase center are with inconsistent, and this deviation is called the antenna phase center position deviation.The impact of this deviation can reach several millimeters to several centimetres, is a major issue in the Antenna Design so how to reduce the antenna phase center position deviation.Common antenna all is to only have a distributing point, the phase center poor stability of this kind antenna, and ability of anti-multipath is poor.
The utility model content:
In view of above-mentioned technical problem, the utility model provides a kind of broadband satellite fix Microstrip Receiving Antenna for receiving GPS L1 and the Big Dipper two generations B1 frequency range.This Antenna Design is that a plurality of feeds are accepted the RF signal, by optimizing the arrangement of of feed, can be coaxial so that accept physics phase place and the electric phase center of a plurality of frequency band signals, make the deviation that receives signal be almost 0, reach the purpose that suppresses the multipath interference signal, simultaneously, because multi-band signal has stable same phase center, therefore, adopt this antenna also to possess the preferably characteristics of phase center stability.This antenna can receive from the L1 of GPS and from the signal of the B1 frequency range in two generations of the Big Dipper.This antenna structure is relatively simple simultaneously, and Receiver Precision is very high.
Concrete technical scheme of the present utility model is as follows:
Be used for to receive the satellite Microstrip Receiving Antenna of GPS L1 and the Big Dipper two generations B1 frequency range, comprise microstrip antenna, bottom ground patch and place the feeding network printed circuit board (PCB) of bottom;
Described microstrip antenna is made of upper strata paster and antenna medium plate; Described microstrip antenna, bottom ground patch are connected with the feeding network printed circuit board (PCB) by the mode of many feedback pins; The described feeding network of stating on the printed circuit board (PCB) comprises electric bridge coupler, the first low noise amplifier, filter, the second low noise amplifier; The signal of two feedback points of described microstrip antenna amplifies through the first low noise amplifier after described electric bridge coupler is coupled into one road signal successively, and filter filtering and the second low noise amplifier are input to the radiofrequency signal receiving device after amplifying.
In the such scheme, described printed circuit board (PCB) bottom also is provided with a signal output port.
In the such scheme, described microstrip antenna is for long 40mm, wide 40mm, and dielectric constant is the squaerial that consists of of the ceramic dielectric plate of 9-10.
In the such scheme, edge, described microstrip antenna four limit is respectively arranged with apart from shape Great Wall line.
In the such scheme, described printed circuit board (PCB) is the rectangle printed circuit board (PCB) of long 54mm, wide 54mm.
Microstrip Receiving Antenna described in the utility model, as many stars of the multifrequency wide frequency antenna that can contain GPS L1 and the Big Dipper two generations B1 frequency range, can be widely used in the earth mapping, Ocean Surveying, water course survey, dredge and complete the occasions such as measurement, seismic monitoring, bridge deformation monitoring, mountain landslide supervision, dock container operation.
Description of drawings:
Further specify the utility model below in conjunction with the drawings and specific embodiments.
Fig. 1 is the general structure schematic diagram of the utility model embodiment;
Fig. 2 is the microstrip antenna structure schematic diagram of the utility model embodiment;
Fig. 3 is the schematic block circuit diagram of the feeding network printed circuit board (PCB) of the utility model embodiment.
Embodiment:
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
As shown in Figure 1, satellite Microstrip Receiving Antenna described in the utility model, whole physical structure comprise microstrip antenna 10, bottom ground patch 20 and place the feeding network printed circuit board (PCB) 30 of bottom.Wherein, microstrip antenna 10, bottom ground patch 20 are connected with feeding network printed circuit board (PCB) 30 by the mode of many (two) feedback pin 40.In addition, the printed circuit board (PCB) bottom also is provided with a signal output port 50.
As shown in Figure 2, microstrip antenna is made of upper strata paster 11 and antenna medium plate 12.Be specially long 40mm, wide 40mm, dielectric constant is the squaerial that consists of of the ceramic dielectric plate of 9-10.And edge, microstrip antenna four limit is respectively arranged with apart from shape Great Wall line 13.
Printed circuit board (PCB) is the rectangle printed circuit board (PCB) of long 54mm, wide 54mm.As shown in Figure 3, the feeding network circuit structure on the plate comprises electric bridge coupler, the first low noise amplifier, filter, the second low noise amplifier.Circuit theory is that the signal of two feedback points 14 (a, b) of microstrip antenna amplifies through the first low noise amplifier after described electric bridge coupler is coupled into one road signal successively, and filter filtering and the second low noise amplifier are input to the radiofrequency signal receiving device after amplifying.
According to such scheme, microstrip antenna of the present utility model can receive the signal from the L1 frequency range of GPS and the Big Dipper two generations B1 frequency range, also can avoid simultaneously the movement of antenna phase center, by stablizing the phase center of two frequency band signals that multifrequency microstrip antenna receives, thereby can reduce the signal errors of multifrequency microstrip antenna, improve the precision that the multifrequency microstrip antenna signal receives.
Above demonstration and described basic principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that describes in above-described embodiment and the specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (5)
1. be used for to receive the satellite Microstrip Receiving Antenna of GPS L1 and the Big Dipper two generations B1 frequency range, comprise microstrip antenna, bottom ground patch and place the feeding network printed circuit board (PCB) of bottom; It is characterized in that,
Described microstrip antenna is made of upper strata paster and antenna medium plate; Described microstrip antenna, bottom ground patch are connected with the feeding network printed circuit board (PCB) by the mode of many feedback pins; The described feeding network of stating on the printed circuit board (PCB) comprises electric bridge coupler, the first low noise amplifier, filter, the second low noise amplifier; The signal of two feedback points of described microstrip antenna amplifies through the first low noise amplifier after described electric bridge coupler is coupled into one road signal successively, and filter filtering and the second low noise amplifier are input to the radiofrequency signal receiving device after amplifying.
2. according to claim 1 reception antenna is characterized in that, described printed circuit board (PCB) bottom also is provided with a signal output port.
3. according to claim 1 and 2 reception antenna is characterized in that, described microstrip antenna is for long 40mm, wide 40mm, and dielectric constant is the squaerial that consists of of the ceramic dielectric plate of 9-10.
4. according to claim 1 and 2 reception antenna is characterized in that, edge, described microstrip antenna four limit is respectively arranged with apart from shape Great Wall line.
5. according to claim 1 and 2 reception antenna is characterized in that, described printed circuit board (PCB) is the rectangle printed circuit board (PCB) of long 54mm, wide 54mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205004956U CN202678508U (en) | 2011-12-05 | 2011-12-05 | Satellite microstrip receiving antenna for receiving frequency bands of GPS L1 and Beidou II B1 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205004956U CN202678508U (en) | 2011-12-05 | 2011-12-05 | Satellite microstrip receiving antenna for receiving frequency bands of GPS L1 and Beidou II B1 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202678508U true CN202678508U (en) | 2013-01-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205004956U Expired - Lifetime CN202678508U (en) | 2011-12-05 | 2011-12-05 | Satellite microstrip receiving antenna for receiving frequency bands of GPS L1 and Beidou II B1 |
Country Status (1)
| Country | Link |
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| CN (1) | CN202678508U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106654580A (en) * | 2017-01-22 | 2017-05-10 | 深圳市鼎耀科技有限公司 | Beidou multi-system integrated antenna |
| CN107004958A (en) * | 2014-11-03 | 2017-08-01 | 阿莫技术有限公司 | Wideband patch antenna module |
| CN107966720A (en) * | 2017-12-27 | 2018-04-27 | 深圳华大北斗科技有限公司 | Satellite signal receiver and global position system |
| CN108233963A (en) * | 2017-11-22 | 2018-06-29 | 天津津航计算技术研究所 | Novel measuring appearance receiver low noise amplifier circuit |
-
2011
- 2011-12-05 CN CN2011205004956U patent/CN202678508U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107004958A (en) * | 2014-11-03 | 2017-08-01 | 阿莫技术有限公司 | Wideband patch antenna module |
| CN106654580A (en) * | 2017-01-22 | 2017-05-10 | 深圳市鼎耀科技有限公司 | Beidou multi-system integrated antenna |
| CN108233963A (en) * | 2017-11-22 | 2018-06-29 | 天津津航计算技术研究所 | Novel measuring appearance receiver low noise amplifier circuit |
| CN107966720A (en) * | 2017-12-27 | 2018-04-27 | 深圳华大北斗科技有限公司 | Satellite signal receiver and global position system |
| CN107966720B (en) * | 2017-12-27 | 2024-02-20 | 深圳华大北斗科技股份有限公司 | Satellite signal receiver and satellite positioning system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 201702 Shanghai city Qingpu District No. 599, building 1, 3 Gaojing Road, Room 301 Patentee after: SHANGHAI HIGH GAIN INFORMATION TECHNOLOGY CO., LTD. Address before: 200233, room 418, 904 Guiping Road, Shanghai, Xuhui District Patentee before: Shanghai High Gain Information Technology Co., Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20130116 |
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| CX01 | Expiry of patent term |