CN105514542A - Dual-channel duplexer and dual-channel and duplex polarization tracker using same - Google Patents
Dual-channel duplexer and dual-channel and duplex polarization tracker using same Download PDFInfo
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- CN105514542A CN105514542A CN201510989910.1A CN201510989910A CN105514542A CN 105514542 A CN105514542 A CN 105514542A CN 201510989910 A CN201510989910 A CN 201510989910A CN 105514542 A CN105514542 A CN 105514542A
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- polarization
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- satellite
- tracker
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/20—Frequency-selective devices, e.g. filters
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
- H01Q3/30—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array
- H01Q3/34—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by electrical means
Abstract
The invention belongs to the satellite communication technical field and discloses a dual-channel duplexer and a dual-channel and duplex polarization tracker using the same. The dual-channel and duplex polarization tracker comprises an emission polarization tracker used for performing polarization adjustment on emitted signals so as to make the emitted signals match and track satellite signals; the emission polarization tracker is provided with an output end and an input end; the output end of the emission polarization tracker is provided with a dual-channel duplexer used for separating emitted signals and received signals from each other; the dual-channel duplexer is provided with an input end, an output end and two transmitting-receiving ends; and the output end of the dual-channel duplexer is provided with a reception polarization tracker used for adjusting a polarization angle to make the polarization angle match and track received satellite signals. The polarization tracker has the advantages of low loss and high tracking accuracy. With the dual-channel duplexer and a dual-channel and the duplex polarization tracker using the same of the invention adopted, space occupied by a system can be decreased under the premise that the size of an antenna can be as small as possible, and the contour and height of the system can be effectively reduced.
Description
Technical field
The invention belongs to technical field of satellite communication, particularly a kind of two-way duplexer and apply the two-way duplex polarization tracking device of this two-way duplexer.
Background technology
Due to the generally use of " communication in moving " mobile satellite antenna, the mobile vehicles such as automobile, train, steamer, aircraft can be realized in motion process, follow the tracks of communication satellite in real time, set up communication link, transmit the multimedia messagess such as voice, data, image incessantly.This system has the advantages such as communication coverage area extensively, not limits by landform region, transmission line is reliable and stable, wideband transmit, mobile communication." communication in moving " mobile satellite communication antenna system, significantly can promote the communication capacity of user in moving process, so this system can meet the multimedia communication demand of various military-civil emergency communication system under mobile status.
Antenna with carrier, because its attitude and geographical position change, can cause the former antenna to satelloid to depart from satellite direction, make communication disruption in moving process; Therefore, isolation must be carried out to these changes of antenna and make antenna unaffected, and all the time to satelloid, carry out continual satellite communication to enable " communication in moving " system.Current tracker loss is high, tracking accuracy is low.
Summary of the invention
The object of this invention is to provide a kind of two-way duplexer and apply the two-way duplex polarization tracking device of this two-way duplexer, this two-way duplex polarization tracking device low-loss is low, and tracking accuracy is high; And ensure antenna size can accomplish as far as possible little prerequisite under reduction system take up room, thus the effectively profile of reduction system and height.
For reaching above object, the present invention is achieved by the following technical solutions.
Scheme one:
Two-way duplexer, it is characterized in that: comprise two signal transmitting terminal filters, two Signal reception end filters, two E-T joints, two symmetric couplings by E-T joint between the output of described signal transmitting terminal filter and the input of Signal reception end filter connect one to one; The vacant interface of described two E-T joints is as two signal transmitting and receiving interfaces.
The feature of technique scheme and improvement further:
Further, during the vacant interface satellite-signal of one of them E-T joint, the vacant interface Transmission microwave signal of another E-T joint.
Scheme two:
Two-way duplex polarization tracking device, it is characterized in that: comprise the two-way duplexer that right is above-mentioned, also comprise and transmitting for carrying out polarization modulation formation adjustment to transmitting, transmitting adjustment being transmitted carry out matched jamming with satellite-signal polarizes tracker, carry out circular polarization and form circular polarization for exchanging whole transmitting and adjust the first circular polarizer transmitted, circular polarization adjustment transmits after filtering and launches by a signal transmitting and receiving interface of described two-way duplexer; Another signal transmitting and receiving interface satellite-signal of described two-way duplexer, and filtering formation filtering satellite-signal is carried out to satellite-signal, forming the second circular polarizer of circular polarization filtering satellite-signal for carrying out circular polarization to filtering satellite-signal, making itself and circular polarization filtering satellite-signal carry out the receiving polarization tracker of matched jamming for adjusting polarisation angles;
The described output launching polarization tracker is connected with the input of the first circular polarizer, two output correspondences of described first circular polarizer are connected with the input of two signal transmitting terminal filters, the output correspondence of described two Signal reception end filters is connected with two inputs of the second circular polarizer, and the output of described second circular polarizer is connected with the input of receiving polarization tracker.
The feature of technique scheme and improvement further:
Further, described transmitting polarization tracker comprises makes itself and satellite-signal carry out the first polarizer of matched jamming for carrying out polarization modulation to transmitting, for the first motor driving the first polarizer to rotate, the input of described first polarizer is provided with the first orthomode coupler; The output of described first polarizer is connected with the input of two-way duplexer, and the input of described first orthomode coupler is for connecting external signal emission source.
Further, described receiving polarization tracker comprises makes it carry out the second polarizer of matched jamming with the satellite-signal received for adjusting polarisation angles, for the second motor driving the second polarizer to rotate, the output of described second polarizer is provided with the second orthomode coupler; The input of described second polarizer is connected with the output of two-way duplexer, and the output of described second orthomode coupler is for connecting external data processing unit.
Further, the vacant interface correspondence of described two E-T joints is connected with two dual polarized antennas.
Two-way duplexer of the present invention and apply the two-way duplex polarization tracking device of this two-way duplexer, it is divided into the signal of a perpendicular polarization and horizontal polarization by arbitrary incoming wave signal by it by a dual polarized antenna, complete polarization decomposing, by a duplexer, transmitting-receiving frequency is separated again, below again by the polarity combination of receiving and transmitting signal, the polarization in reduction space, and a matching status and the tracking of polarization is completed by receiving polarization tracker and transmitting polarization tracker.Adopt the two-way duplexer of high isolation, launch polarization tracker and receiving polarization tracker, the isolation that this product is high, low insertion loss and accurate polarization tracking performance, for the realization of low clearance antenna for satellite communication in motion product contributes.
Accompanying drawing explanation
Fig. 1 is the principle schematic of a kind of two-way duplex polarization tracking device of the present invention;
Fig. 2 is the structural representation of a kind of two-way duplex polarization tracking device of the present invention;
Fig. 3 for the first polarizer shown in Fig. 2 to be connected with the first orthomode coupler and the second polarizer be connected with the second orthomode coupler after structural representation;
In figure: 1, launch polarization tracker; 2, two-way duplexer; 3, receiving polarization tracker; 4, dual polarized antenna; 5, the first motor; 6, the second motor; 7, the first motor driver; 8, the second motor driver; 9, the first polarizer; 10, the second polarizer; 11, the first orthomode coupler; 12, the second orthomode coupler; 13, the first circular polarizer; 14, the second circular polarizer; 15, E-T joint; 16, polarize tube stent; 17, polarize cylinder; 18, polarize sheet; 19, driving wheel; 20, driven pulley; 21, driving belt; 22, cylindrical orthogonal die cavity body; 23, absorbing load; 24, short board; 25, prismatic orthogonal mode cavity.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
With reference to Fig. 1, Fig. 2, it is the schematic diagram of a kind of two-way duplex polarization tracking device of the present invention.
Two-way duplexer 2 comprises two signal transmitting terminal filters, two Signal reception end filters, two E-T joints 15, and two symmetric couplings by E-T joint 15 between the output of signal transmitting terminal filter and the input of Signal reception end filter connect one to one; The vacant interface of two E-T joints 15 is as two signal transmitting and receiving interfaces.
During the vacant interface satellite-signal of one of them E-T joint 15, the vacant interface Transmission microwave signal of another E-T joint 15.Accept while two-way duplexer 2 can realize microwave signal and send, and accepting not interfere with each other between the microwave signal sent.Achieve and accept and send completely isolated.
Two-way duplex polarization tracking device comprises above-mentioned two-way duplexer 2, also comprise and transmitting for carrying out polarization modulation formation adjustment to transmitting, transmitting adjustment being transmitted carry out matched jamming with satellite-signal polarizes tracker 1, carry out circular polarization and form circular polarization for exchanging whole transmitting and adjust the first circular polarizer 13 transmitted, circular polarization adjustment transmits after filtering and launches by a signal transmitting and receiving interface of two-way duplexer 2; Another signal transmitting and receiving interface satellite-signal of two-way duplexer 2, and filtering formation filtering satellite-signal is carried out to satellite-signal, forming the second circular polarizer 14 of circular polarization filtering satellite-signal for carrying out circular polarization to filtering satellite-signal, making itself and circular polarization filtering satellite-signal carry out the receiving polarization tracker 3 of matched jamming for adjusting polarisation angles.
The output launching polarization tracker 1 is connected with the input of the first circular polarizer 13, two output correspondences of the first circular polarizer 13 are connected with the input of two signal transmitting terminal filters, the output correspondence of two Signal reception end filters is connected with two inputs of the second circular polarizer 14, and the output of the second circular polarizer 14 is connected with the input of receiving polarization tracker 3.
The input launching polarization tracker 1, for connecting external signal emission source, is launched transmitting of being launched by external signal emission source of polarization tracker 1 and is carried out polarization modulation and make itself and satellite-signal carry out matched jamming, then launched by two-way duplexer 2.
Receiving polarization tracker 3 using be separated by dual-linear polarization or two circularly polarised be separated satellite-signal as input, the polarisation angles that receiving polarization tracker 3 adjusts the second polarizer 10 makes it carry out matched jamming with the satellite-signal received, and reaches maximized receiving satellite signal.
Because transmitting of mobile satellite communication antenna system work is separated by nearer with tracking signal frequency, in order to transmitting signal and tracking signal effectively, have employed the two-way duplexer of considering ripple device, two Signal reception end filters and two E-T joints 15 form by two first.The effect of two-way duplexer to transmit and tracking signal is separated.In addition, the receipts frequency range clutter that HPA (high power amplifier) can also produce by the receipts resistance worry ripple device in two-way duplexer filters, the receipts frequency range clutter preventing HPA from producing enters the LNA (low noise amplifier) of receive path, affects the G/T value of antenna.
Transmitting polarization tracker 1 comprises makes itself and satellite-signal carry out the first polarizer 9 of matched jamming for carrying out polarization modulation to transmitting, the input of the first motor 5, first polarizer 9 rotated for driving the first polarizer 9 is provided with the first orthomode coupler 11; The output of the first polarizer 9 is connected with the input of two-way duplexer 2, and the input of the first orthomode coupler 11 is for connecting external signal emission source.
Receiving polarization tracker 3 comprises makes it carry out the second polarizer 10 of matched jamming with the satellite-signal received for adjusting polarisation angles, the output of the second motor 6, second polarizer 10 rotated for driving the second polarizer 10 is provided with the second orthomode coupler 12; The input of the second polarizer 10 is connected with the output of two-way duplexer 2, and the output of the second orthomode coupler 12 is for connecting external data processing unit.
First polarizer 9 is identical with the structure of the second polarizer 10, it is in this collectively polarizer, polarizer comprises polarization tube stent 16, polarization tube stent 16 is provided with by bearing the polarization cylinder 17 opened at two ends, in polarization cylinder 17, axial restraint has polarization sheet 18, polarization tube stent 16 is provided with the motor of drives polarization cylinder 17 and the rotation of polarization sheet 18, motor is the first motor 5 and the second motor 6; The output shaft of motor is provided with driving wheel 19, is coaxially arranged with driven pulley 20 outside polarization cylinder 17, between driving wheel 19 and driven pulley 20, is connected with driving belt 21.
First orthomode coupler 11 is identical with the structure of the second orthomode coupler 12, this is referred to as orthomode coupler again, orthomode coupler comprises the cylindrical orthogonal die cavity body 22 with polarization cylinder 17 coaxial communication, the free end of cylindrical orthogonal die cavity body 22 seals and is coaxially arranged with the absorbing load 23 of wedge shape in it, the signal absorption that another polarizes by absorbing load 23; Axially be provided with short board 24 in cylindrical orthogonal die cavity body 22, short board 24 is for adjusting signal shorts; The sidewall of cylindrical orthogonal die cavity body 22 is provided with the prismatic orthogonal mode cavity 25 of perpendicular connection, the radial section of prismatic orthogonal mode cavity 25 is square, and the free end of prismatic orthogonal mode cavity 25 is provided with square opening.Orthomode coupler is the device isolating two different polarized waves in circular waveguide or square wave guide system.Synthesis of exchanging goods is separated for dual-linear polarization.Dual-linear polarization antenna can be formed together with antenna, can dual circularly polarized antenna be formed with circular polarizer together with antenna.
The vacant interface correspondence of two E-T joints 15 is connected with two dual polarized antennas 4.The object that dual-linear polarization is separated or two circularly polarised is separated is reached by dual polarized antenna 4.
Due to the impact by antenna geographic location and satellite downlink point longitude and latitude difference and earth curvature, satellite repeater radiation wave polarization has certain angle relative to the polarization of satellite communication antena, this angle becomes the polarization rotation angle of satellite when antenna for satellite communication in motion points to satellite, should adjust the polarization of antenna for satellite communication in motion to mate with the polarization orientation of satellite in different regions.When antenna for satellite communication in motion works, the information on the spot at satellite polarization rotation angle is calculated by correlation formula, polarization modulation mechanism is transferred in real time by the polarization tracking unit of antenna for satellite communication in motion control system, polarization modulation mechanism drives the first motor driver 7 and the second motor driver 8, the polarizer angle that first motor driver 7 and the second motor driver 8 drive the first motor 5 and the second motor 6 to rotate respectively and carry out rotates, and makes the polarization of its same downward signal of satellite that polarizes consistent.
Two-way for SOTM satellite antenna duplex polarization tracking device of the present invention, it is divided into the signal of a perpendicular polarization and horizontal polarization by arbitrary incoming wave signal by it by a dual polarized antenna, complete polarization decomposing, by a duplexer, transmitting-receiving frequency is separated again, below again by the polarity combination of receiving and transmitting signal, the polarization in reduction space, and a matching status and the tracking of polarization is completed by receiving polarization tracker 3.Adopt the two-way duplexer of high isolation, launch polarization tracker and receiving polarization tracker, the isolation that this product is high, low insertion loss and accurate polarization tracking performance, for the realization of low clearance antenna for satellite communication in motion product contributes.
Although be below described embodiment of the present invention by reference to the accompanying drawings, the present invention is not limited to above-mentioned specific embodiments and applications field, and above-mentioned specific embodiments is only schematic, guiding, instead of restrictive.Those of ordinary skill in the art is under the enlightenment of specification, and when not departing from the scope that the claims in the present invention are protected, can also make a variety of forms, these all belong to the row of the present invention's protection.
Claims (6)
1. two-way duplexer, it is characterized in that: comprise two signal transmitting terminal filters, two Signal reception end filters, two E-T joints (15), all connected by respective E-T joint (15) correspondence between the described output of two signal transmitting terminal filters and the input of the Signal reception end filter of correspondence; The vacant interface of described two E-T joints (15) is as two signal transmitting and receiving interfaces.
2. two-way duplexer as claimed in claim 1, is characterized in that: during the vacant interface satellite-signal of one of them E-T joint (15), the vacant interface Transmission microwave signal of another E-T joint (15).
3. two-way duplex polarization tracking device, it is characterized in that: comprise the two-way duplexer (2) described in claim 1 or 2, also comprise and transmitting for carrying out polarization modulation formation adjustment to transmitting, transmitting adjustment being transmitted carry out matched jamming with satellite-signal polarizes tracker (1), carry out circular polarization and form circular polarization for exchanging whole transmitting and adjust the first circular polarizer (13) transmitted, circular polarization adjustment transmits after filtering and launches by a signal transmitting and receiving interface of described two-way duplexer (2); Another signal transmitting and receiving interface satellite-signal of described two-way duplexer (2), and filtering formation filtering satellite-signal is carried out to satellite-signal, forming second circular polarizer (14) of circular polarization filtering satellite-signal for carrying out circular polarization to filtering satellite-signal, making itself and circular polarization filtering satellite-signal carry out the receiving polarization tracker (3) of matched jamming for adjusting polarisation angles;
The described output launching polarization tracker (1) is connected with the input of the first circular polarizer (13), two output correspondences of described first circular polarizer (13) are connected with the input of two signal transmitting terminal filters, the output correspondence of described two Signal reception end filters is connected with two inputs of the second circular polarizer (14), and the output of described second circular polarizer (14) is connected with the input of receiving polarization tracker (3).
4. two-way duplex polarization tracking device as claimed in claim 3, it is characterized in that: described transmitting polarization tracker (1) comprises makes itself and satellite-signal carry out first polarizer (9) of matched jamming for carrying out polarization modulation to transmitting, for the first motor (5) driving the polarization sheet in the first polarizer (9) to rotate, the input of described first polarizer (9) is provided with the first orthomode coupler (11); The output of described first polarizer (9) is connected with the input of two-way duplexer (2), and the input of described first orthomode coupler (11) is for connecting outside source.
5. two-way duplex polarization tracking device as claimed in claim 4, it is characterized in that: described receiving polarization tracker (3) comprises makes it carry out second polarizer (10) of matched jamming with the satellite-signal received for adjusting polarisation angles, for the second motor (6) driving the polarization sheet in the second polarizer (10) to rotate, the output of described second polarizer (10) is provided with the second orthomode coupler (12); The input of described second polarizer (10) is connected with the output of two-way duplexer (2), and the output of described second orthomode coupler (12) is for connecting external data processing unit.
6. the two-way duplex polarization tracking device as described in any one of claim 3-5, is characterized in that: the vacant interface correspondence of described two E-T joints (15) is connected with two dual polarized antennas (4).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510989910.1A CN105514542B (en) | 2015-12-24 | 2015-12-24 | The two-way duplex polarization tracking device of two-way duplexer and application the two-way duplexer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510989910.1A CN105514542B (en) | 2015-12-24 | 2015-12-24 | The two-way duplex polarization tracking device of two-way duplexer and application the two-way duplexer |
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| CN105514542A true CN105514542A (en) | 2016-04-20 |
| CN105514542B CN105514542B (en) | 2018-05-04 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106207485A (en) * | 2016-06-27 | 2016-12-07 | 北京航天光华电子技术有限公司 | A kind of ku frequency range constant amplitude phase modulation feed assembly |
| CN106602264A (en) * | 2016-12-16 | 2017-04-26 | 熊猫电子集团有限公司 | Linearly polarized tracking method for mid-profile parabolic antenna |
| CN113625221A (en) * | 2021-07-12 | 2021-11-09 | 成都天贸科技有限公司 | Arrow remote signal polarization synthesis method and system |
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| FR2959908B1 (en) * | 2010-05-04 | 2012-06-15 | Thales Sa | METHOD FOR MAKING A PRINTED CIRCUIT |
| CN104798312A (en) * | 2012-11-15 | 2015-07-22 | 瑞典爱立信有限公司 | Transceiver front-end |
| CN105098360A (en) * | 2015-08-31 | 2015-11-25 | 北京遥测技术研究所 | Novel polarization tracker |
| CN205429120U (en) * | 2015-12-24 | 2016-08-03 | 西安恒达微波技术开发有限公司 | Double - circuit duplex polarization tracker of double - circuit duplexer and applied this double - circuit duplexer |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| FR2959908B1 (en) * | 2010-05-04 | 2012-06-15 | Thales Sa | METHOD FOR MAKING A PRINTED CIRCUIT |
| CN104798312A (en) * | 2012-11-15 | 2015-07-22 | 瑞典爱立信有限公司 | Transceiver front-end |
| CN105098360A (en) * | 2015-08-31 | 2015-11-25 | 北京遥测技术研究所 | Novel polarization tracker |
| CN205429120U (en) * | 2015-12-24 | 2016-08-03 | 西安恒达微波技术开发有限公司 | Double - circuit duplex polarization tracker of double - circuit duplexer and applied this double - circuit duplexer |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106207485A (en) * | 2016-06-27 | 2016-12-07 | 北京航天光华电子技术有限公司 | A kind of ku frequency range constant amplitude phase modulation feed assembly |
| CN106207485B (en) * | 2016-06-27 | 2019-05-24 | 北京航天光华电子技术有限公司 | A kind of ku frequency range constant amplitude phase modulation feed component |
| CN106602264A (en) * | 2016-12-16 | 2017-04-26 | 熊猫电子集团有限公司 | Linearly polarized tracking method for mid-profile parabolic antenna |
| CN113625221A (en) * | 2021-07-12 | 2021-11-09 | 成都天贸科技有限公司 | Arrow remote signal polarization synthesis method and system |
| CN113625221B (en) * | 2021-07-12 | 2022-03-22 | 成都天贸科技有限公司 | Arrow remote signal polarization synthesis method and system |
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| CN105514542B (en) | 2018-05-04 |
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