CN201797041U - Measurement type double-frequency microstrip antenna - Google Patents
Measurement type double-frequency microstrip antenna Download PDFInfo
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- CN201797041U CN201797041U CN2010202838260U CN201020283826U CN201797041U CN 201797041 U CN201797041 U CN 201797041U CN 2010202838260 U CN2010202838260 U CN 2010202838260U CN 201020283826 U CN201020283826 U CN 201020283826U CN 201797041 U CN201797041 U CN 201797041U
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Abstract
A measurement type double-frequency microstrip antenna comprises an upper layer microstrip antenna with an upper layer paster, a lower layer microstrip antenna with a lower layer paster and a feed network placed in the bottom layer, wherein an insulating board is arranged between the lower layer microstrip antenna and the feed network. Since the insulating board is arranged between the lower layer microstrip antenna and the feed network, the structure is simple. The insulating board can play the function of isolating the lower layer microstrip antenna and the feed network, therefore, the mutual electromagnetic interference between the lower layer microstrip antenna and the feed network and that between upper layer microstrip antenna and the feed network can be eliminated through the measurement type double-frequency microstrip antenna, which improves the information receiving precision of the measurement type double-frequency microstrip antenna.
Description
Technical field
The utility model relates to a kind of antenna, particularly relates to a kind of measurement type double-frequency micro-strip antenna.
Background technology
Measurement type double-frequency micro-strip antenna can receive simultaneously from the signal of GPS (Global Positioning System global positioning system) L1 frequency range with from the signal of GLONASS (Global Navigation Satellite System GLONASS (Global Navigation Satellite System)) L2 frequency range, be used for as receiver of satellite navigation system, can be used for geodesic survey, control survey, real-time dynamic positioning, Ocean Surveying, water course survey, dredge and complete in measurement, aviation flight location, remote sensing application, offshore drilling location or the like the measuring system.
Existing measurement type double-frequency micro-strip antenna adopts two-layer paster structure usually, comprises the upper strata microstrip antenna with upper strata paster, the lower floor's microstrip antenna with lower floor's paster and the feeding network that places bottom.Because lower floor's microstrip antenna directly is mounted on the feeding network of bottom, therefore, when measurement type double-frequency micro-strip antenna received signal, lower floor's microstrip antenna and upper strata microstrip antenna can with the mutual generation electromagnetic interference of feeding network, thereby influence the accuracy of the reception information of measurement type double-frequency micro-strip antenna.
The utility model content
The purpose of this utility model is to avoid weak point of the prior art and a kind of simple in structure, accurate high measurement type double-frequency micro-strip antenna of reception is provided.
The purpose of this utility model realizes by following technical measures: a kind of measurement type double-frequency micro-strip antenna, comprise the upper strata microstrip antenna with upper strata paster, lower floor's microstrip antenna and the feeding network that places bottom, be provided with insulation board between described lower floor microstrip antenna and the described feeding network with lower floor's paster.
Preferably, above-mentioned insulation board is the insulation gummed paper.
Preferably, the geometric center place of above-mentioned upper strata paster is provided with the upper strata centre bore, and the geometric center place of described lower floor paster is provided with lower floor's centre bore, and described insulation board is provided with and corresponding first via hole of described upper strata centre bore; Described measurement type double-frequency micro-strip antenna also is provided with the short circuit pin, this short circuit pin penetrates described upper strata microstrip antenna, is connected with the ground wire of described feeding network from passing first via hole after described lower floor central hole penetrates described lower floor microstrip antenna from described upper strata central hole successively, and described short circuit pin is electrically connected with described upper strata paster and described lower floor paster respectively.
Preferably, above-mentioned upper strata paster is provided with four upper strata feedback points of arranging in the mode of square vertices, and the geometric center of four described upper strata feedback points overlaps with described upper strata centre bore; Described lower floor paster is provided with four lower floors' feedback points of arranging in the mode of square vertices and four and corresponding second via holes of described upper strata feedback point, and the geometric center of four described lower floors feedback overlaps with described lower floor centre bore; Described insulation board is provided with and corresponding the 3rd via hole of described upper strata feedback point, and is provided with and corresponding the 4th via hole of described lower floor feedback point; Described measurement type double-frequency micro-strip antenna also is provided with four first coaxial probes and four second coaxial probes, described first coaxial probe penetrates described upper strata microstrip antenna, is electrically connected with described feeding network from passing described the 3rd via hole after described second via hole penetrates described lower floor microstrip antenna from described upper strata feedback point, and described second coaxial probe is presented to put to penetrate from described lower floor and passed described the 4th via hole behind the described lower floor microstrip antenna and be electrically connected with described feeding network; Described feeding network is given upper strata paster feed by four described first coaxial probes, gives lower floor's paster feed by four described second coaxial probes.
Preferably, above-mentioned upper strata paster and described lower floor paster are square paster.More preferably, four jiaos of above-mentioned lower floor paster have corner cut.Still more preferably, above-mentioned corner cut is an isosceles right triangle.
Preferably, the edge, four limits of above-mentioned upper strata paster and described lower floor paster is respectively arranged with stub.Further preferably, above-mentioned stub is a rectangular flange.
Preferably, above-mentioned feeding network comprises the first electric bridge coupler, the second electric bridge coupler, the 3rd electric bridge coupler, the 4th electric bridge coupler, first micro belt shifting phase, second micro belt shifting phase, the 3rd micro belt shifting phase, the 4th micro belt shifting phase, the 5th electric bridge coupler, the 6th electric bridge coupler, first filter, second filter, the 3rd filter, the 4th filter, first low noise amplifier, second low noise amplifier, the 3rd low noise amplifier, the 4th low noise amplifier and radio-frequency (RF) Receiving Device; Wherein the signal of two adjacent described upper strata feedback points is coupled into one road signal through the described first electric bridge coupler, and this road signal inputs to the 5th electric bridge coupler after the first micro belt shifting phase phase shift; The signal of two adjacent described upper strata feedback points is coupled into one road signal through the described second electric bridge coupler in addition, and this road signal inputs to the 5th electric bridge coupler after the second micro belt shifting phase phase shift; Wherein the signal of two adjacent described lower floor feedback points is coupled into one road signal through described the 3rd electric bridge coupler, and this road signal inputs to the 6th electric bridge coupler after the 3rd micro belt shifting phase phase shift; The signal of two adjacent described lower floor feedback points is coupled into one road signal through the described second electric bridge coupler in addition, and this road signal inputs to the 6th electric bridge coupler after the 4th micro belt shifting phase phase shift; Described the 5th electric bridge coupler is coupled into one road signal with the two paths of signals by described first micro belt shifting phase and the transmission of described second micro belt shifting phase that is received, and this signal inputs to radio-frequency (RF) Receiving Device through described first filter filtering, the amplification of described first low noise amplifier, described second filter filtering, described second low noise amplifier after amplifying successively; The two paths of signals by described the 3rd micro belt shifting phase and the transmission of described the 4th micro belt shifting phase that described the 6th electric bridge coupler will receive is coupled into one road signal, and this signal inputs to radio-frequency (RF) Receiving Device through described the 3rd filter filtering, the amplification of described the 3rd low noise amplifier, described the 4th filter filtering, described the 4th low noise amplifier after amplifying successively.
The utility model compared with prior art has the following advantages: be provided with insulation board between lower floor's microstrip antenna of the utility model measurement type double-frequency micro-strip antenna and the described feeding network, it is simple in structure.Insulation board can play the effect of isolating lower floor's microstrip antenna and feeding network, can avoid occurring prior art owing to lower floor's microstrip antenna with the feeding network of bottom directly be mounted on make when the measurement type double-frequency micro-strip antenna received signal lower floor's microstrip antenna and upper strata microstrip antenna can with the situation of the mutual generation electromagnetic interference of feeding network.Therefore, the mutual electromagnetic that the utility model measurement type double-frequency micro-strip antenna can be stopped between lower floor's microstrip antenna and the feeding network is disturbed, and the mutual electromagnetic of stopping between upper strata microstrip antenna and the feeding network disturbs, thereby can improve the accuracy of the reception information of measurement type double-frequency micro-strip antenna.
Description of drawings
The utility model is described in further detail to utilize accompanying drawing, but the embodiment in the accompanying drawing does not constitute any restriction of the present utility model.
Fig. 1 is the structural representation of the measurement type double-frequency micro-strip antenna of the utility model embodiment;
Fig. 2 is the structural representation of upper strata paster of the measurement type double-frequency micro-strip antenna of the utility model embodiment;
Fig. 3 is the structural representation of lower floor's paster of the measurement type double-frequency micro-strip antenna of the utility model embodiment;
Fig. 4 be the utility model embodiment measurement type double-frequency micro-strip antenna feeding network with upper strata paster catenation principle figure;
Fig. 5 be the utility model embodiment measurement type double-frequency micro-strip antenna feeding network with the paster catenation principle figure of lower floor;
Fig. 6 is the amplification filtering schematic diagram of feeding network of the measurement type double-frequency micro-strip antenna of the utility model embodiment.
Embodiment
For making the utility model easier to understand, below in conjunction with accompanying drawing the utility model is further elaborated, but the embodiment in the accompanying drawing does not constitute any restriction of the present utility model.
A kind of measurement type double-frequency micro-strip antenna of the present utility model, as shown in Figure 1, comprise the upper strata microstrip antenna 10 with upper strata paster 11, lower floor's microstrip antenna 20 and the feeding network 30 that places bottom, be provided with insulation board 50 between lower floor's microstrip antenna 20 and the described feeding network 30 with lower floor's paster 21.
Wherein, as shown in Figure 1, upper strata microstrip antenna 10 comprises top dielectric plate 12, and it simultaneously encloses thin metal layer as upper strata ground plate 13, and another side sticks laminating sheet 11.Lower floor's microstrip antenna 20 comprises layer dielectric plate 22, and it simultaneously encloses thin metal layer as lower floor's ground plate 23, and another side pastes lower floor's paster 21.Top dielectric plate 12, upper strata ground plate 13, layer dielectric plate 22 and lower floor's ground plate 23 are respectively arranged with corresponding via hole, wear for short circuit pin 40.The signal that upper strata paster 11 receives from the L1 frequency range of GPS (Global Positioning System global positioning system), the signal that lower floor's paster 21 receives from the L2 frequency range of GLONASS (Global Navigation Satellite System GLONASS (Global Navigation Satellite System)).
Because be provided with insulation board 50 between lower floor's microstrip antenna 20 of the utility model measurement type double-frequency micro-strip antenna and the described feeding network 30, it is simple in structure.Insulation board 50 can play the effect of isolating lower floor's microstrip antenna 20 and feeding network 30, can avoid occurring prior art owing to lower floor's microstrip antenna with the feeding network of bottom directly be mounted on make when the measurement type double-frequency micro-strip antenna received signal lower floor's microstrip antenna and upper strata microstrip antenna can with the situation of the mutual generation electromagnetic interference of feeding network.Therefore, the mutual electromagnetic that the utility model measurement type double-frequency micro-strip antenna can be stopped between lower floor's microstrip antenna 20 and the feeding network 30 is disturbed, and the mutual electromagnetic of stopping between upper strata microstrip antenna 10 and the feeding network 30 disturbs, thereby can improve the accuracy of the reception information of measurement type double-frequency micro-strip antenna.
Preferably, insulation board 50 can adopt the insulation gummed paper.The insulation gummed paper has the in light weight and low advantage of cost, and can realize stopping the mutual electromagnetic interference effect between upper strata microstrip antenna 10 and the feeding network 30 effectively.
Preferably, as shown in Figure 1 to Figure 3, the geometric center place of described upper strata paster 11 is provided with upper strata centre bore 111, and the geometric center place of described lower floor paster 21 is provided with lower floor's centre bore 211, and described insulation board 50 is provided with and described upper strata centre bore 111 corresponding first via holes 51;
Described measurement type double-frequency micro-strip antenna also is provided with short circuit pin 40, this short circuit pin 40 penetrates described upper strata microstrip antenna 10, is connected with the ground wire of described feeding network 30 from passing described first via hole 51 after described lower floor centre bore 211 penetrates described lower floor microstrip antenna 20 from described upper strata centre bore 111 successively, and described short circuit pin 40 is electrically connected with described upper strata paster 11 and described lower floor paster 21 respectively.
Because the utility model measurement type double-frequency micro-strip antenna is fixed together the geometric center of upper strata paster 11 and the geometric center of lower floor's paster 21 by short circuit pin 40, and upper strata paster 11 is connected with feeding network 30 ground wires with lower floor paster 21 by short circuit pin 40.Can the electric phase center of upper strata paster 11 and lower floor's paster 21 be overlapped in the geometric center of every laminating sheet with when the electric phase center of this layer overlaps.Therefore the utility model measurement type double-frequency micro-strip antenna can be avoided moving of antenna phase center, the phase center of two frequency band signals that stably measured type double-frequency micro-strip antenna receives, thereby can reduce the signal errors of measurement type double-frequency micro-strip antenna, improve the precision that measurement type double-frequency micro-strip antenna signal receives.
Preferably, upper strata paster 11 is provided with four upper strata feedback points 112 of arranging in the mode of square vertices, and the geometric center of four described upper strata feedback points 112 overlaps with described upper strata centre bore 111; Described lower floor paster 21 is provided with 212 and four of four lower floors' feedback points of arranging in the mode of square vertices and described upper stratas feedback point 112 corresponding second via holes 221, and the geometric center of four described lower floor feedback points 212 overlaps with described lower floor centre bore 211; Described insulation board 50 is provided with and described upper strata feedback point 112 corresponding the 3rd via holes 52, and is provided with feedback point 212 corresponding the 4th via holes 53 with described lower floor;
Described measurement type double-frequency micro-strip antenna also is provided with four first coaxial probes 113 and four second coaxial probes 213, described first coaxial probe 113 penetrates described upper strata microstrip antenna 10, is electrically connected with described feeding network 30 from passing described the 3rd via hole 52 after described second via hole 221 penetrates described lower floor microstrip antenna 20 from described upper strata feedback point 112, and described second coaxial probe 213 is presented from described lower floor and put 212 and penetrate and pass described the 4th via hole 53 behind the described lower floor microstrip antenna 20 and be electrically connected with described feeding network 30; Described feeding network 30 is given upper strata paster 11 feeds by four described first coaxial probes 113, gives lower floor's paster 21 feeds by four described second coaxial probes 213.As shown in Figures 2 and 3, upper strata feedback point 112 is respectively upper strata feedback point a, upper strata feedback point b, upper strata feedback point c, upper strata feedback point d; Lower floor's feedback point 212 is respectively the feedback point e of lower floor, the feedback point f of lower floor, the feedback point g of lower floor, the feedback point h of lower floor.
The utility model measurement type double-frequency micro-strip antenna adopts every layer of four-point feed, and eight coaxial probes are respectively to upper strata paster 11 and lower floor's paster 21 feeds.Because the satellite-signal that measurement type double-frequency micro-strip antenna will receive is the right-handed circular polarization electric wave, therefore can determine the position of eight feedback points by the Electromagnetic Simulation technology, thereby make every adjacent two upper stratas feedback point 112 signals that receive differ 90 degree, every adjacent two lower floors feedback point 212 signals that receive differ 90 degree, make each feedback point scattering parameter S 11＜-20dB, axial ratio AR＜3dB angular range is about 120 °.It is 50 Ω that an adjusting feedback point position can make the input impedance of antenna, thereby omits the match circuit between low noise amplifier and the microstrip antenna.
Therefore, every laminating sheet is carried out four even feeds, and making every adjacent feedback point signal phase difference is 90 degree, can make the symmetry of the easier realization antenna pattern of microstrip antenna, make axial ratio adopt the axial ratio of single-point feedback or 2 feeds good, can be easy to receive the circular polarization electric wave of satellite in wider angle than prior art.
In addition, four even feeds of every layer of microstrip antenna of the utility model measurement type double-frequency micro-strip antenna, or two feedback points single with the general employing of prior art are compared, can make the phase center of measurement type double-frequency micro-strip antenna more stable, make it can large-sized deviation not take place, thereby can further improve the certainty of measurement of measurement type double-frequency micro-strip antenna with moving of satellite or measurement type double-frequency micro-strip antenna.
The close coupling that forms between the short circuit pin 40 and first coaxial probe 113 is equivalent to and has loaded an electric capacity, make upper strata microstrip antenna 10 be lower than the impedance matching that the resonance frequency position reaches upper strata microstrip antenna 10, thereby increased the frequency bandwidth of upper strata microstrip antenna 10, thereby guarantee that the frequency bandwidth of upper strata microstrip antenna 10 can cover the frequency bandwidth of L1 frequency range, thereby can contain the influence of multipath effect, and then improve the reliability and the precision of the received signal of upper strata microstrip antenna 10 the utility model measurement type double-frequency micro-strip antenna.
In like manner, the close coupling that forms between the short circuit pin 40 and second coaxial probe 213 is equivalent to and has loaded an electric capacity, make lower floor's microstrip antenna 20 be lower than the impedance matching that the resonance frequency position reaches lower floor's microstrip antenna 20, thereby increased the frequency bandwidth of lower floor's microstrip antenna 20, thereby guarantee that the frequency bandwidth of lower floor's microstrip antenna 20 can cover the frequency bandwidth of L2 frequency range, thereby can contain the influence of multipath effect, and then improve the reliability and the precision of the received signal of lower floor's microstrip antenna 20 the utility model measurement type double-frequency micro-strip antenna.
Top dielectric plate 12, upper strata ground plate 13, layer dielectric plate 22 and lower floor's ground plate 23 are respectively arranged with corresponding via hole, wear for first coaxial probe 113.Layer dielectric plate 22 and lower floor's ground plate 23 are respectively arranged with corresponding via hole and wear for second coaxial probe 213.
Preferably, as shown in Figures 2 and 3, upper strata paster 11 and described lower floor paster 21 are square paster.The square paster can design by easier realization paster symmetrically, and the easier processing and manufacturing of square.Can certainly adopt other symmetrical structures of prior art, as circle or the like.
Preferably, as shown in Figure 3, four jiaos of lower floor's paster 21 have corner cut 24.Four jiaos of symmetry corner cuts 24 can guarantee the symmetry of lower floor's paster 21 structures.To 11 4 jiaos of corner cuts 24 of upper strata paster, help the assembling of measurement type double-frequency micro-strip antenna.And corner cut 24 can play the effect that degenerate mode separates.Promptly make square microstrip antenna increase a degenerate mode separative element, make the resonance frequency of degenerate mode produce separation, operating frequency is between two resonance frequencys.When the degenerate mode separative element is selected when suitable, for operating frequency, the equiva lent impedance phase angular advance of a mould, and the equiva lent impedance phase angular lag of another mould when differing 90 when spending between them, have just formed circular polarization.
Preferably, corner cut 24 is an isosceles right triangle.The symmetrical structure of the easier realization of isosceles right triangle lower floor paster 21, and help making and processing.
Preferably, as shown in Figures 2 and 3, the edge, four limits of described upper strata paster 11 and described lower floor paster 21 is respectively arranged with stub 15 and stub 25.Particularly, stub 15 and stub 25 can be rectangular flange, and stub 15 and stub 25 can also adopt other shape of prior art certainly, and the number of stub 15 and stub 25 can be determined according to actual conditions.
Because the received signal of microstrip antenna is to realize by the edge of paster and the coupling between the ground plate, therefore, edge, four limits at described upper strata paster 11 and described lower floor paster 21 is provided with stub 15 and stub 25 respectively, can increase the path of patch edges, make the electric current labyrinth of flowing through upper strata paster 11 and lower floor's paster 21 extend, thereby can be in the size that satisfy under the condition of receiving satellite signal reduction measurement type double-frequency micro-strip antenna, and the impedance that can regulate antenna better makes the easier coupling receiving satellite signal of measurement type double-frequency micro-strip antenna.
Preferably, as shown in Figure 4 and Figure 5, feeding network 30 comprises the first electric bridge coupler, the second electric bridge coupler, the 3rd electric bridge coupler, the 4th electric bridge coupler, first micro belt shifting phase, second micro belt shifting phase, the 3rd micro belt shifting phase, the 4th micro belt shifting phase, the 5th electric bridge coupler, the 6th electric bridge coupler; Wherein two adjacent described upper stratas are presented the signal of putting a and upper strata feedback point b and are coupled into one road signal through the described first electric bridge coupler, and this road signal inputs to the 5th electric bridge coupler after the first micro belt shifting phase phase shift; The signal that some c and upper strata feedback point d are presented in other two adjacent described upper stratas is coupled into one road signal through the described second electric bridge coupler, and this road signal inputs to the 5th electric bridge coupler after the second micro belt shifting phase phase shift; Wherein two adjacent described lower floors present the signal of putting e and the feedback point f of lower floor and are coupled into one road signal through described the 3rd electric bridge coupler, and this road signal inputs to the 6th electric bridge coupler after the 3rd micro belt shifting phase phase shift; The signal that other two adjacent described lower floors present some g and the feedback point h of lower floor is coupled into one road signal through the described second electric bridge coupler, and this road signal inputs to the 6th electric bridge coupler after the 4th micro belt shifting phase phase shift.
Wherein the first electric bridge coupler, the second electric bridge coupler, the 3rd electric bridge coupler, the 4th electric bridge coupler, the 5th electric bridge coupler, the 6th electric bridge coupler can be the 3dB electric bridge; Described first micro belt shifting phase, second micro belt shifting phase, the 3rd micro belt shifting phase, the 4th micro belt shifting phase are 1/4 wavelength phase shifter.By foregoing circuit, respectively four upper strata feedback point signals and four lower floor's feedback point signals are coupled into the output of one road signal.
Shown in figure six, feeding network 30 also comprises first filter, second filter, the 3rd filter, the 4th filter, first low noise amplifier, second low noise amplifier, the 3rd low noise amplifier, the 4th low noise amplifier and radio-frequency (RF) Receiving Device; Described the 5th electric bridge coupler is coupled into one road signal with the two paths of signals by described first micro belt shifting phase and the transmission of described second micro belt shifting phase that is received, and this signal inputs to radio-frequency (RF) Receiving Device through described first filter filtering, the amplification of described first low noise amplifier, described second filter filtering, described second low noise amplifier after amplifying successively; The two paths of signals by described the 3rd micro belt shifting phase and the transmission of described the 4th micro belt shifting phase that described the 6th electric bridge coupler will receive is coupled into one road signal, and this signal inputs to radio-frequency (RF) Receiving Device through described the 3rd filter filtering, the amplification of described the 3rd low noise amplifier, described the 4th filter filtering, described the 4th low noise amplifier after amplifying successively.Signal can increase its accuracy after twice filtering and amplifying.
Should be noted that at last; above embodiment is only in order to the explanation the technical solution of the utility model; but not to the restriction of the utility model protection range; although the utility model has been done to explain with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can make amendment or be equal to replacement the technical solution of the utility model, and not break away from the essence and the scope of technical solutions of the utility model.
Claims (10)
1. measurement type double-frequency micro-strip antenna, comprise the upper strata microstrip antenna with upper strata paster, lower floor's microstrip antenna and the feeding network that places bottom, it is characterized in that: be provided with insulation board between described lower floor microstrip antenna and the described feeding network with lower floor's paster.
2. measurement type double-frequency micro-strip antenna according to claim 1 is characterized in that: described insulation board is the insulation gummed paper.
3. measurement type double-frequency micro-strip antenna according to claim 1, it is characterized in that: the geometric center place of described upper strata paster is provided with the upper strata centre bore, the geometric center place of described lower floor paster is provided with lower floor's centre bore, and described insulation board is provided with and corresponding first via hole of described upper strata centre bore;
Described measurement type double-frequency micro-strip antenna also is provided with the short circuit pin, this short circuit pin penetrates described upper strata microstrip antenna, is connected with the ground wire of described feeding network from passing described first via hole after described lower floor central hole penetrates described lower floor microstrip antenna from described upper strata central hole successively, and described short circuit pin is electrically connected with described upper strata paster and described lower floor paster respectively.
4. measurement type double-frequency micro-strip antenna according to claim 3 is characterized in that: described upper strata paster is provided with four upper strata feedback points of arranging in the mode of square vertices, and the geometric center of four described upper strata feedback points overlaps with described upper strata centre bore;
Described lower floor paster is provided with four lower floors' feedback points of arranging in the mode of square vertices and four and corresponding second via holes of described upper strata feedback point, and the geometric center of four described lower floors feedback overlaps with described lower floor centre bore;
Described insulation board is provided with and corresponding the 3rd via hole of described upper strata feedback point, and is provided with and corresponding the 4th via hole of described lower floor feedback point;
Described measurement type double-frequency micro-strip antenna also is provided with four first coaxial probes and four second coaxial probes, described first coaxial probe penetrates described upper strata microstrip antenna, passes described the 3rd via hole after penetrating described lower floor microstrip antenna from described mistake second hole and be electrically connected with described feeding network from described upper strata feedback point, and described second coaxial probe is presented to put to penetrate from described lower floor and passed described the 4th via hole behind the described lower floor microstrip antenna and be electrically connected with described feeding network;
Described feeding network is given upper strata paster feed by four described first coaxial probes, gives lower floor's paster feed by four described second coaxial probes.
5. measurement type double-frequency micro-strip antenna according to claim 4 is characterized in that: described upper strata paster and described lower floor paster are square paster.
6. measurement type double-frequency micro-strip antenna according to claim 5 is characterized in that: four jiaos of described lower floor paster have corner cut.
7. measurement type double-frequency micro-strip antenna according to claim 6 is characterized in that: described corner cut is an isosceles right triangle.
8. measurement type double-frequency micro-strip antenna according to claim 7 is characterized in that: the edge, four limits of described upper strata paster and described lower floor paster is respectively arranged with stub.
9. measurement type double-frequency micro-strip antenna according to claim 8 is characterized in that: described stub is a rectangular flange.
10. according to each described measurement type double-frequency micro-strip antenna in the claim 4 to 9, it is characterized in that: described feeding network comprises the first electric bridge coupler, the second electric bridge coupler, the 3rd electric bridge coupler, the 4th electric bridge coupler, first micro belt shifting phase, second micro belt shifting phase, the 3rd micro belt shifting phase, the 4th micro belt shifting phase, the 5th electric bridge coupler, the 6th electric bridge coupler, first filter, second filter, the 3rd filter, the 4th filter, first low noise amplifier, second low noise amplifier, the 3rd low noise amplifier, the 4th low noise amplifier and radio-frequency (RF) Receiving Device;
Wherein the signal of two adjacent described upper strata feedback points is coupled into one road signal through the described first electric bridge coupler, and this road signal inputs to the 5th electric bridge coupler after the first micro belt shifting phase phase shift;
The signal of two adjacent described upper strata feedback points is coupled into one road signal through the described second electric bridge coupler in addition, and this road signal inputs to the 5th electric bridge coupler after the second micro belt shifting phase phase shift;
Wherein the signal of two adjacent described lower floor feedback points is coupled into one road signal through described the 3rd electric bridge coupler, and this road signal inputs to the 6th electric bridge coupler after the 3rd micro belt shifting phase phase shift;
The signal of two adjacent described lower floor feedback points is coupled into one road signal through the described second electric bridge coupler in addition, and this road signal inputs to the 6th electric bridge coupler after the 4th micro belt shifting phase phase shift;
Described the 5th electric bridge coupler is coupled into one road signal with the two paths of signals by described first micro belt shifting phase and the transmission of described second micro belt shifting phase that is received, and this signal inputs to radio-frequency (RF) Receiving Device through described first filter filtering, the amplification of described first low noise amplifier, described second filter filtering, described second low noise amplifier after amplifying successively;
The two paths of signals by described the 3rd micro belt shifting phase and the transmission of described the 4th micro belt shifting phase that described the 6th electric bridge coupler will receive is coupled into one road signal, and this signal inputs to radio-frequency (RF) Receiving Device through described the 3rd filter filtering, the amplification of described the 3rd low noise amplifier, described the 4th filter filtering, described the 4th low noise amplifier after amplifying successively.
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| CN2010202838260U CN201797041U (en) | 2010-08-05 | 2010-08-05 | Measurement type double-frequency microstrip antenna |
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| CN2010202838260U CN201797041U (en) | 2010-08-05 | 2010-08-05 | Measurement type double-frequency microstrip antenna |
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| 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 |
| CN103022663A (en) * | 2012-12-05 | 2013-04-03 | 广州中海达卫星导航技术股份有限公司 | Small-sized double-frequency active navigation antenna device |
| WO2015039368A1 (en) * | 2013-09-23 | 2015-03-26 | 深圳市华信天线技术有限公司 | Antenna device and receiving system |
| CN103682556A (en) * | 2013-11-13 | 2014-03-26 | 南京航空航天大学 | Airborne remote antenna mounting device |
| CN104868251A (en) * | 2014-02-20 | 2015-08-26 | 联想(北京)有限公司 | Near field communication (NFC) antenna |
| CN104157954A (en) * | 2014-09-02 | 2014-11-19 | 冯铭正 | RFID microstrip antenna |
| CN105990644A (en) * | 2015-01-30 | 2016-10-05 | 深圳光启尖端技术有限责任公司 | Communication antenna, antenna system and communication device |
| CN105990644B (en) * | 2015-01-30 | 2024-03-08 | 深圳光启尖端技术有限责任公司 | Communication antenna, antenna system and communication device |
| CN109390696A (en) * | 2017-08-10 | 2019-02-26 | 佳邦科技股份有限公司 | Portable electronic devices and its stack Anneta module |
| CN109390696B (en) * | 2017-08-10 | 2022-02-08 | 佳邦科技股份有限公司 | Portable electronic device and stacked antenna module thereof |
| CN108494430A (en) * | 2018-03-21 | 2018-09-04 | 北京理工雷科雷达技术研究院有限公司 | A kind of miniaturization mm wave RF front end |
| CN108494430B (en) * | 2018-03-21 | 2020-10-09 | 北京理工雷科雷达技术研究院有限公司 | Miniaturized millimeter wave radio frequency front end |
| CN109270362A (en) * | 2018-11-09 | 2019-01-25 | 深圳市信维通信股份有限公司 | A kind of stabilization and the good RF test device of correlation |
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Granted publication date: 20110413 |