CN106252887A - A kind of satellite communication transmitting-receiving subassembly and bidimensional active phase array antenna - Google Patents
A kind of satellite communication transmitting-receiving subassembly and bidimensional active phase array antenna Download PDFInfo
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- CN106252887A CN106252887A CN201610808602.9A CN201610808602A CN106252887A CN 106252887 A CN106252887 A CN 106252887A CN 201610808602 A CN201610808602 A CN 201610808602A CN 106252887 A CN106252887 A CN 106252887A
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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
- H01Q3/36—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 with variable phase-shifters
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/10—Polarisation diversity; Directional diversity
Abstract
The invention discloses a kind of satellite communication transmitting-receiving subassembly and bidimensional active phase array antenna, this phased array antenna includes dual-polarized antenna array, the transmitting-receiving subassembly with Double RF passage polarization modulation function, transmitting-receiving feeding network, control and bus plane, support frame, heat abstractor and structural acessory etc..The present invention carries out dual-linear polarization antenna element independent polarization adjustment technology inside transmitting-receiving subassembly, the N road horizontal polarization signals received and vertical polarization signal are become N road signal by polarization modulation, 1 road signal is become after signal syntheses, be conducive to the width phase control of polarization modulation signal, it is to avoid signal first synthesize after the shortcoming that should not control mutually of signal width.By connecting without cable between the multiple module of this antenna, effectively utilizing bulk, system uses phased-array technique to carry out spatial beams scanning, can realize the high-speed traffic with satellite system.
Description
Technical field
The technical field that the present invention relates to covers radar, communicates, navigates, electronic warfare, detects receipts and remote-control romote-sensing etc., specifically
For a kind of satellite communication transmitting-receiving subassembly and bidimensional active phase array antenna.Invention is also particularly suited for use in and on mobile carrier, carry out satellite
During communication, carry out the satellite communication terminal phased array antenna system of the functions such as satellite-signal fast Acquisition, tracking, polarization modulation in time
System.
Background technology
When satellite communication, traditional antenna form is reflector antenna and flat plate array antenna, and such antenna exists at present
Communications Market occupies most share.Along with the growth requirement of electronic information and the movement velocity of mobile carrier are more come
The fastest, the phased array antenna installing low section on the platform of high-speed motion becomes a kind of trend, is also that current China is each logical
The urgent needs that antenna system is proposed by letter ICBM SHF satellite terminal user.In China, the satellite communication of Ku frequency range be one important
Communication spectrum, in this frequency range, satellite uses linear polarization, wherein receives frequency and tranmitting frequency is mutually perpendicular polarization
Form, in major part occasion, due to factors such as the position of terminal antenna, attitudes, the polarization of aerial signal on ground, and defend
The polarization mismatch of star signal, it is therefore desirable in good time carry out polarization modulation.In conventional Ku band satellite communication antenna, root
According to the difference of antenna form, the mode of polarization modulation has a various ways:
1, traditional reflector antenna, has the feature such as high-gain, low cost of manufacture, but its volume heaviness, dismounting is not
Just, tracking velocity is slow etc. there is bigger inferior position, and the Feed Horn that its polarization modulation mode is rotational line polarization in aspect, this
Mode speed is slower, it is impossible to well adapt to the demand of high maneuverability platform.
The advantages such as 2, flat plate array antenna, has combined coefficient high, easy to process, and array beams synthesis is flexible, its machinery
There is beam position and easily deviate the shortcoming of predetermined direction in tracking mode aspect, polarization modulation mode is for be divided into phase by flat plate array
Deng four parts, use signal syntheses mode carry out polarization modulation, this mode relies on the piecemeal of front, the width to signal
Consistent property requires higher.
3, one-dimensional active phase array antenna, it is excellent with sweep antenna mutually that mechanical scanning antennas taken into account by the antenna of this kind of system
Point, and on azimuth plane, there is not the shortcoming of gain scan loss, but the slowest in the development of satellite communication field, main
If due to the mechanism yet suffering from mechanical scanning, high speed platform be there is also polarization mismatch and the slow shortcoming of tracking velocity.
Summary of the invention
It is an object of the invention to avoid the weak point in above-mentioned background technology, it is provided that a kind of satellite communication transmitting-receiving subassembly
And bidimensional active phase array antenna system, this system has mechanical servo control mechanism, wave beam deflection speed soon, and polarization modulation is fast,
The advantages such as quick tracking can be realized, there is the highest future in engineering applications.
The technical solution adopted in the present invention is: a kind of satellite communication transmitting-receiving subassembly, including 2N radio-frequency channel 10, polarization
Adjust circuit and signal syntheses port 12；The vertical polarization passage of N number of dual polarized antenna unit and horizontal polarization passage respectively with
2N radio-frequency channel 10 connects one to one；Two passages the most adjacent in 2N radio-frequency channel 10 are received by polarization modulation circuit
Dual polarized signals carry out the signal after polarization modulation output N road polarization modulation, the signal after the polarization modulation of N road is through signal syntheses
Network synthesizes 1 road signal, and this road signal exports through signal syntheses port 12；Wherein, N is the natural number more than or equal to 1；
After the radiofrequency signal that outside inputs is divided into N road by the signal distribution network of polarization modulation circuit, each road is penetrated
Frequently it is divided into identical two paths of signals after signal phase shift, and according to communication requirement, amplitude and the phase place of two paths of signals is adjusted,
Two paths of signals after adjustment is gone out by dual polarization antenna radiation.
Wherein, described polarization modulation circuit includes that 3N switch, 4N wave filter, 2N LNA, 2N power are put
Big device, 6N phase shifter, N number of 2-in-1 1 combiner, N number of 1 point of 2 shunt and signal syntheses/distribution network；Vertical polarization signal and
After horizontal polarization signals distinguishes the most filtered, low noise amplification and phase shift under the control of each switch, by 2 tunnels after phase shift
Signal synthesizes 1 tunnel radiofrequency signal through 2-in-1 1 combiner, and N road radiofrequency signal one_to_one corresponding moved through the N number of phase shifter receiving passage
It is input to signal syntheses/distribution network the most respectively by switch；The radiofrequency signal received is divided into by signal syntheses/distribution network
Export through N number of switch one_to_one corresponding behind N road and send out N number of phase shifter of passage and carry out phase shift process, the phase shift of every road process after letter
Number being divided into 2 identical tunnel radiofrequency signals through 1 point of 2 shunt, every road radiofrequency signal is the most shifted, warp after power amplification and filtering
Switch output is to dual polarized antenna unit.
A kind of satellite communication bidimensional active phase array antenna, including dual-polarized antenna array 2, M transmitting-receiving subassembly 3 and transmitting-receiving
Feeding network 4, dual-polarized antenna array 2 has M × N number of dual polarized antenna unit composition, it is characterised in that: every N number of dual polarization sky
The vertical polarization passage of line unit and horizontal polarization passage are respectively with 2N radio-frequency channel 10 one_to_one corresponding of transmitting-receiving subassembly 3 even
Connect；The signal syntheses port 12 of transmitting-receiving subassembly 3 is connected with the radio frequency interface 14 of transmitting-receiving feeding network 4.
Wherein, described M × N number of dual polarized antenna unit forms dual-polarized antenna array 2 according to default arrangement mode, double
Polarized antenna arrays 2 is connected with transmitting-receiving subassembly 3 by cable or quick connector, and dual-polarized antenna array 2 is micro-for dual polarization
Band aerial array, dual-polarized element antenna array or dual polarization radiating guide array.
Wherein, described transmitting-receiving feeding network 4 be to be used for carrying out the U-shape structure that the merits such as signal are divided or not etc. merit is not divided, and adopts
Print with micro-strip printed board and form；Transmitting-receiving feeding network 4 includes radio frequency interface 14 and the total mouth of radio frequency 15, the quantity of radio frequency interface 14
Identical with the quantity of transmitting-receiving subassembly 3, each radio frequency interface 14 is connected with a synthesis port 12 of transmitting-receiving subassembly 3 respectively, penetrates
Frequently signal is exported by the total mouth of radio frequency 15 or is inputted.
Wherein, also including controlling and bus plane 5, described control and bus plane 5 include micro-strip printed board, are arranged on micro-strip
The controlling control interface 17 that interface 13 is connected and control of the control of printed board lower surface and power supply apparatus and transmitting-receiving subassembly 3
Mouth 16 total with power supply；Controlling with the total mouth of power supply 16 is multi-core connector, for control signal input, power supply input and communication letter
Number transmitting-receiving.
Use and have the beneficial effects that produced by technique scheme:
1, the present invention utilizes integrated structure, improves the space availability ratio of antenna array, reduces whole system simultaneously
Size.
2, the present invention utilizes and carries out dual-linear polarization antenna element independent polarization adjustment technology inside transmitting-receiving subassembly, is conducive to
The width phase control of polarization modulation signal, it is to avoid signal first synthesize after the shortcoming that should not control mutually of signal width.
3, in the present invention, the feeding network of integrated control circuit and special shape is utilized to achieve the nothing of whole system
The Miniaturization Design of cabled manner, beneficially whole system.
4, the integral structure adnexa of the present invention is conducive to the heat radiation of system, integrated and Miniaturization Design, reduces
The height of system.
Accompanying drawing explanation
Fig. 1 is the graphics of satellite communication bidimensional active phase array antenna of the present invention.
Fig. 2 is the clustered architecture schematic diagram of the present invention.
Fig. 3 is the side view of the transmitting-receiving subassembly of the present invention.
Fig. 4 is the transmitting-receiving subassembly structured flowchart of the present invention.
Fig. 5 is the transmitting-receiving feeding network schematic diagram of the present invention.
Fig. 6 is control and the bus plane schematic diagram of the present invention.
Fig. 7 is support frame schematic diagram of the present invention.
Detailed description of the invention
Below, in conjunction with Fig. 1-Fig. 7, the present invention will be further described.
As shown in Figure 1 and Figure 2, a kind of satellite communication bidimensional active phase array antenna 1, for a kind of Integration Design structure.Should
Transmitting-receiving subassembly 3 that phased array antenna by dual-polarized antenna array 2, has Double RF passage polarization modulation function, transmitting-receiving transmission network
The compositions such as network 4, control and bus plane 5, support frame 6, fan installing plate 7, heat sink 8 and structural acessory 9；Support frame 6 is
Platy structure, it is internally provided with transmitting-receiving subassembly 3, and the upper surface of support frame 6 is fixed with dual-polarized antenna array 2, carriage
The lower surface of frame 6 is fixed with control and bus plane 5, controls to be provided with transmitting-receiving feeding network between bus plane 5 and transmitting-receiving subassembly 3
4；The both sides of support frame 6 are respectively arranged with fan installing plate 7 and heat sink 8, fan installing plate 7 are provided with multiple for pacifying
The space of dress fan, the other both sides of support frame 6 are provided with installation adnexa 9.
Described dual-polarized antenna array 2 arranges not just for Dual-polarized Micro Strip Array, also includes dual-polarized oscillator sky
Linear array, dual polarization radiating guide array etc.；Dual-polarized antenna array 2 by M × N number of dual polarized antenna unit according to set row
Mode for cloth forms array and is arranged on the upper surface of support frame 6, by cable or quick connector and the transmitting-receiving subassembly 3 of rear end
It is connected.
As it is shown on figure 3, the side surface configuration with the transmitting-receiving subassembly 3 of Double RF passage polarization modulation function has multiple dissipating
Hot tooth 11, the dual polarization passage of dual-polarized antenna array 2 by electric connector respectively with M transmitting-receiving subassembly 3 on setting radio frequency
Passage 10 is corresponding to be connected；Inside transmitting-receiving subassembly 3, two the most adjacent radio-frequency channels carry out dual polarization by polarization modulation circuit
The polarization modulation of signal.Assuming that the radio-frequency channel number of each transmitting-receiving subassembly is 2N, N is natural number, by believing after polarization modulation
Number passage becomes N, and the signal after the N road within transmitting-receiving subassembly 3 synthesizes becomes 1 tunnel by internal signal syntheses network, leads to
Cross signal syntheses port 12 and become 1 tunnel, be connected with the radio frequency interface 14 of transmitting-receiving feeding network 4.Arrange in the bottom of transmitting-receiving subassembly 3
Controlling interface 13, be connected with the control joint 17 of control and bus plane 5, connected mode can be inserted or the side of cable by fast
Formula.
As shown in Figure 4, polarization modulation circuit includes 3N switch, 4N wave filter, 2N LNA, 2N power amplifier, 6N
Individual phase shifter, N number of 2-in-1 1 combiner, N number of 1 point of 2 shunt and signal syntheses/distribution network；Each dual polarized antenna unit will
The vertical polarization signal that receives and horizontal polarization signals under the control of each switch respectively the most filtered, low noise amplification and
After phase shift, through 2-in-1 1 combiner, the signal after phase shift being synthesized 1 tunnel radiofrequency signal, N road radiofrequency signal one_to_one corresponding is through receiving passage
N number of phase shifter carry out phase shift after be input to signal syntheses/distribution network by switch respectively；Signal syntheses/distribution network will
The radiofrequency signal received be divided into N road after through N number of switch one_to_one corresponding export send out passage N number of phase shifter carry out phase shift process,
Signal after the phase shift of every road processes is divided into 2 identical tunnel radiofrequency signals through 1 point of 2 shunt, every road radiofrequency signal is the most shifted,
Through switch output to dual polarized antenna unit after power amplification and filtering.
As it is shown in figure 5, transmitting-receiving feeding network 4 is U-shape structure, carry out therein signal etc. merit divide or the merit such as not
Point, using micro-strip printed board to print and form, radio frequency interface 14 is connected with the synthesis port 12 of transmitting-receiving subassembly 3 respectively, signal syntheses
Export by the total mouth of radio frequency 15 or input afterwards.
As shown in Figure 6, control and bus plane 5 include micro-strip printed board and be arranged on the control of micro-strip printed board lower surface with
Power supply apparatus, and the control interface 17 being connected with transmitting-receiving subassembly 3, arrange control and electricity controlling the side with bus plane 5
The total mouth in source 16, form is multi-core connector, inputs and used by signal of communication mainly as control signal, power supply.
As it is shown in fig. 7, support frame 6 is platy structure, as supporting used by modules.The side of support frame 6 sets
Putting fan installing plate 7, fan installing plate 7 arranging multiple circular space to install fan to carry out system radiating.Supporting
The side of framework 6 arranges heat sink 8, in order to steam sheds.Installation adnexa 9 is set in the symmetrical both sides that support frame 6 is other, makees
For integrated antenna installation supplementary structure on designed mounting platform.
Operation principle
Telecommunication satellite owing to using is typically linear polarization operation, when carrier is in different locus, and antenna
Different to the polarizing angle of same satellite, therefore, polarizing angle needs to adjust.The process that polarizing angle adjusts is to gather residing for antenna carrier
Positional information, in conjunction with the longitude of satellite, calculate the antenna polarizing angle to satellite, by the control polarization modulation of component internal
Module controls antenna polarization in real time, makes antenna polarization match with satellite polarization.
At the reception passage of signal, the signal from satellite first passes around dual-linear polarization antenna element and is received, two-way
Signal has respectively entered the radio-frequency channel that receiving unit is corresponding, by the phase shifter within radio-frequency channel, attenuator according to calculating
The polarizing angle gone out, carries out Signal Matching adjustment, and synthesizes a road signal, and signal is through component internal filter filtering, further
Improve the isolation of receiving and transmitting signal, and respectively by two-stage low-noise amplifier, enter radio frequency network and carry out signal syntheses.
The present invention is when carrying out signal and receiving, and according to information such as the geographical position residing for antenna system, platform stances, calculates
Go out required beam pointing-angle.During work, satellite-signal is transferred to receiving unit by antenna element by the array of Antenna aperture,
Complete filtering and the amplification of signal, make signal meet the signal to noise ratio of requirement, then enter the feeding network of component internal, complete letter
Number synthesis, radiofrequency signal realizes signal syntheses by the feeding network between assembly, the wave beam needed for formation.In whole process
In, the displacement yardage of phase shifter is realized by ripple control operation board.Realized by comprehensive routing layer between component internal, assembly and assembly
Control, for functions such as distribution.
When signal is launched, first being carried out signal promotion by transmitting prime, the signal level of input meets first order power amplifier
Promotion demand.Pumping signal initially enters power division network, and the seam in component internal arranges amplifier and carries out signal level benefit
Repay, after the power division network of component internal, respectively enter each transmission channel, carry out signal amplification, and by often organizing dual polarization two
After road signal adjusts, via dual-linear polarization antenna element, signal amplitude is shot out.
Claims (6)
1. a satellite communication transmitting-receiving subassembly, it is characterised in that: include 2N radio-frequency channel (10), polarization modulation circuit and signal
Synthesis port (12)；The vertical polarization passage of N number of dual polarized antenna unit and horizontal polarization passage respectively with 2N radio-frequency channel
(10) connect one to one；Two passages the most adjacent in 2N radio-frequency channel (10) are received the dual polarization of coming by polarization modulation circuit
Signal carries out the signal after the polarization modulation of polarization modulation output N road, and the signal after the polarization modulation of N road synthesizes through signal syntheses network
Being 1 road signal, this road signal exports through signal syntheses port (12)；Wherein, N is the natural number more than or equal to 1；
After the radiofrequency signal that outside inputs is divided into N road by the signal distribution network of polarization modulation circuit, each road radio frequency is believed
It is divided into identical two paths of signals after number phase shift, and according to communication requirement, amplitude and the phase place of two paths of signals is adjusted, adjust
After two paths of signals gone out by dual polarization antenna radiation.
A kind of satellite communication transmitting-receiving subassembly the most according to claim 1, it is characterised in that: described polarization modulation circuit bag
Include 3N switch, 4N wave filter, 2N LNA, 2N power amplifier, 6N phase shifter, N number of 2-in-1 1 combiner, N number of 1
Divide 2 shunts and signal syntheses/distribution network；Vertical polarization signal and horizontal polarization signals difference under the control of each switch
After the most filtered, low noise amplification and phase shift, 2 road signals after phase shift are synthesized 1 tunnel radiofrequency signal, N through 2-in-1 1 combiner
Road radiofrequency signal one_to_one corresponding through receive passage N number of phase shifter carry out phase shift after respectively by switch be input to signal syntheses/point
Distribution network；Signal syntheses/distribution network the radiofrequency signal received is divided into N road after through N number of switch one_to_one corresponding export send out logical
N number of phase shifter in road carries out phase shift process, and the signal after the phase shift of every road processes is divided into 2 identical road radio frequency letters through 1 point of 2 shunt
Number, every road radiofrequency signal is the most shifted, after power amplification and filtering through switch output to dual polarized antenna unit.
3. a satellite communication bidimensional active phase array antenna, including dual-polarized antenna array (2), as claimed in claim 1 or 2
M transmitting-receiving subassembly (3) and transmitting-receiving feeding network (4), dual-polarized antenna array (2) has M × N number of dual polarized antenna unit group
Become, it is characterised in that: the vertical polarization passage of every N number of dual polarized antenna unit and horizontal polarization passage respectively with transmitting-receiving subassembly
(3) 2N radio-frequency channel (10) connects one to one；The signal syntheses port (12) of transmitting-receiving subassembly (3) and transmitting-receiving feeding network
(4) radio frequency interface (14) is connected；Wherein, M is the natural number more than 1.
A kind of satellite communication bidimensional active phase array antenna the most according to claim 3, it is characterised in that: described M × N
Individual dual polarized antenna unit is according to default arrangement mode composition dual-polarized antenna array (2), and dual-polarized antenna array (2) is by electricity
Cable or quick connector are connected with transmitting-receiving subassembly (3), dual-polarized antenna array (2) be Dual-polarized Micro Strip Array row, bipolar
Change element antenna array or dual polarization radiating guide array.
5. according to a kind of satellite communication bidimensional active phase array antenna described in claim 3 or 4, it is characterised in that: described
Transmitting-receiving feeding network (4) be for carrying out the U-shape structure that the merits such as signal are divided or not etc. merit is not divided, use micro-strip printed board printing and
Become；Transmitting-receiving feeding network (4) includes radio frequency interface (14) and the total mouth of radio frequency (15), the quantity of radio frequency interface (14) and transmitting-receiving subassembly
(3) quantity is identical, and each radio frequency interface (14) is connected with synthesis port (12) of transmitting-receiving subassembly (3) respectively, radio frequency
Signal is exported by the total mouth of radio frequency (15) or is inputted.
A kind of satellite communication bidimensional active phase array antenna the most according to claim 3, it is characterised in that: also include controlling
Include micro-strip printed board with bus plane (5), described control and bus plane (5), be arranged on the control of micro-strip printed board lower surface
The control interface (17) that is connected with the control interface (13) of transmitting-receiving subassembly (3) with power supply apparatus and controlling and the total mouth of power supply
(16)；Controlling with the total mouth of power supply (16) is multi-core connector, receives for control signal input, power supply input and signal of communication
Send out.
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| CN201610808602.9A CN106252887B (en) | 2016-09-08 | 2016-09-08 | A kind of satellite communication transmitting-receiving subassembly and bidimensional active phase array antenna |
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| CN106252887B CN106252887B (en) | 2019-01-22 |
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| CN106646386A (en) * | 2016-11-21 | 2017-05-10 | 北京无线电测量研究所 | Multi-polarization microwave emitter and emission method |
| CN106785492A (en) * | 2017-01-18 | 2017-05-31 | 中国电子科技集团公司第十四研究所 | A kind of communication antenna submatrix feeding network |
| CN106953658A (en) * | 2017-01-20 | 2017-07-14 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | High integration AESA transmitting-receiving subassembly |
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