CN107659333A - The co-located interference cancellation device in multi-section transceiver radio station - Google Patents
The co-located interference cancellation device in multi-section transceiver radio station Download PDFInfo
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- CN107659333A CN107659333A CN201710846705.9A CN201710846705A CN107659333A CN 107659333 A CN107659333 A CN 107659333A CN 201710846705 A CN201710846705 A CN 201710846705A CN 107659333 A CN107659333 A CN 107659333A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/50—Circuits using different frequencies for the two directions of communication
- H04B1/52—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa
- H04B1/525—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa with means for reducing leakage of transmitter signal into the receiver
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/401—Circuits for selecting or indicating operating mode
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/44—Transmit/receive switching
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a kind of co-located interference cancellation device in multi-section transceiver radio station, including n passage cancellation circuit module, n radio station, n antenna, a control module, a Receiving antenna selection module, a synthesis module and a feedback and conditioning module, the number of antenna, the number in radio station are equal with the number of passage cancellation circuit module, and n is natural number；Wherein, each passage cancellation circuit module includes a transmitting-receiving handover module, a time delay module and a width phase adjusting module.According to the reiving/transmitting state signal in radio station, the state of automatic switching control equipment, participated in without artificial, simplify the use of device；It is used as reception antenna by selecting an antenna, the method without being synthesized again using multiple antenna reception signals, reduces to reception signal Insertion Loss；The increase and decrease in transceiver radio station in platform, need to only extend or reduce corresponding port number can effectively eliminate co-located interference, ensure communication system normal work.
Description
Technical field
The invention belongs to the technical field of electromagnetic compatibility of radio communication, and in particular to a kind of multi-section transceiver radio station is co-located
Interference cancellation device.
Background technology
Spy is constantly increasing in order to adapt to the extraordinary platform device such as modern operation environmental demand, naval vessel, aircraft and battlebus
The equipment such as survey, communication and electronic warfare, cause the radio-frequency antenna type and quantity on platform to be continuously increased.In lifting platform operation energy
While power, the problems such as excessive radio-frequency antenna will produce electromagnetic interference and compatible, electromagnetism stealth, influence platform fighting efficiency and
Survival ability.Transceiver radio station is one of unimpeded main equipment of Support, Command tactical communications.Have in limited space more
Portion transceiver radio station works simultaneously when, the radio station launched can disturb the radio station received, cause the radiation electric of sternness
Magnetic disturbance problem.Such as radio station transmission power 50W (47dBm), the isolation with another radio antenna of same platform is 30dB, then receives
Interfering signal power be 17dBm, dominant frequency power is far longer than the useful signal in a distant place for radio station reception, its stray signals
Useful signal may also be flooded；Multi-section radio station is launched simultaneously when, electromagnetic environment is more complicated, receives radio station and is easier to be disturbed.
Current multichannel radiation interference compensation device, can solve the interference to receiver when multi-section emitter is launched, that is, solve to receive
Launch the interference of equipment interconnection receiving unit between the equipment separated with hair.But for transceiver radio station, transmitter and receiver
Other reception radio station are disturbed in shared radio frequency port and antenna, radio station when launching, and can be done by other radio station launched during reception
Disturb, i.e., same portion radio station is interference source, is to transmit/receive the change of state with radio station and change also or sensitive equipment.Therefore,
Current radiation interference compensation device can not still solve the co-located interference between multi-section transceiver radio station.
The content of the invention
The purpose of the present invention is aiming at the co-located interference problem between the multi-section transceiver radio station of common platform, there is provided one
The kind co-located interference cancellation device in multi-section transceiver radio station, the transceiver mode conversion of transceiver radio station is can adapt to, realizes radio station
Between disturb from eliminating, effectively lifted multi-section transceiver radio station it is co-located when antijamming capability.
To achieve the above object, the co-located interference cancellation device in multi-section transceiver radio station designed by the present invention, its feature
It is：Including n passage cancellation circuit module, n radio station, n antenna, a control module, a Receiving antenna selection mould
Block, a synthesis module and one feedback and conditioning module, the number of antenna, the number in radio station with passage cancellation circuit module
Number it is equal, n is natural number；Wherein, each passage cancellation circuit module includes transmitting-receiving handover module, a time delay mould
Block and a width phase adjusting module；
The 3rd port that handover module is received and dispatched in each passage cancellation circuit module is connected with the input port of time delay module,
The output port of time delay module is connected with the input port of width phase adjusting module；The fifth port difference of each transmitting-receiving handover module
It is connected with a corresponding antenna, each first port for receiving and dispatching handover module prevention at radio-frequency port with a corresponding radio station respectively
It is connected, each the 4th port for receiving and dispatching handover module is connected with the rf inputs mouth of Receiving antenna selection module, Mei Geshou
The second port for sending out handover module is connected with the main road output port of conditioning module with feeding back, and the of each transmitting-receiving handover module
Six ports are connected with the control signal port of control module, the input port of the output port in each radio station with control module
It is connected, the control port of the control signal port of control module also with Receiving antenna selection module is connected, Receiving antenna selection mould
The output port of block is connected with the first of synthesis module input port, the output port of each width phase adjusting module with synthesis
Second input port of module is connected, and the sampling of the control port and feedback and conditioning module of each width phase adjusting module exports
Port is connected, and the output port of synthesis module is connected with feeding back with the input port of conditioning module.
Further, the transmitting-receiving handover module includes first switch, second switch, third switch, the 4th switch and the
One coupler；The port C of first switch is the first port of transmitting-receiving handover module, and the port NC of second switch is transmitting-receiving switching mould
The second port of block, the port NC of the 3rd switch is the 4th port of transmitting-receiving handover module, and the port C of the 4th switch cuts for transmitting-receiving
Change the mold the fifth port of block, the port NC of the switch of port NC connections the 4th of first switch, the port NO connections of first switch the
The port C of two switches, the input port of second switch port NO the first couplers of connection, the main road output port of the first coupler
Connect the 3rd switch port NO, the 3rd switch port C connections the 4th switch port NO, the port Ctrl of first switch,
The port Ctrl that the port Ctrl of second switch, the port Ctrl and the 4th of the 3rd switch are switched collects for transmitting-receiving handover module
6th port, the sampled output mouth of the first coupler are the 3rd port of transmitting-receiving handover module.
Further, the width phase adjusting module includes work(subassembly, quadrature combiners, the first electric adjustable bipolar decay
Device, the second electric adjustable bipolar attenuator and controller；The input port of work(subassembly connects the output port of time delay module, work(point
Two output ports of component connect the input port of the first electric adjustable bipolar attenuator respectively and the second electric adjustable bipolar declines
Subtract the input port of device, the sampled output mouth of work(subassembly connects first input port of controller, and the first electricity is adjustable bipolar
The property output port of attenuator and the output port of the second electric adjustable bipolar attenuator connect the input port of quadrature combiners,
The control port of first electric adjustable bipolar attenuator and the control port of the second electric adjustable bipolar attenuator connect controller
Corresponding output port, the output port of quadrature combiners are bonded into the input port of module, second input of controller
The reversed feedback of mouth and the sampled output mouth of conditioning module.
Further, the synthesis module includes the first synthesizer and the second synthesizer；The input port of first synthesizer
The output port of width phase adjusting module is connect, the output port of the first synthesizer connects second input port of the second synthesizer, the
First input port of two synthesizers receives the output port of selecting module, the reversed feedback of output port of the second synthesizer and tune
Manage the input port of module.
Further, the feedback is put with conditioning module including the second coupler, wave filter, the first limiter, low noise
Big device, the second limiter, the first power splitter and the second power splitter；The input port of second coupler is bonded into the output end of module
Mouthful, the main road output port of the second coupler connects the input port of wave filter, and the sampled output mouth of the second coupler connects first
The input port of power splitter, the output port of the first power splitter connect the control port of width phase adjusting module, the output port of filtering
Connect the input port of the first limiter, the output port of the first limiter connects the input port of low-noise amplifier, low noise is put
Input port, the output port of the second limiter of the limiter of output port second of big device connect the input of the second power splitter
End, the output end of the second power splitter receive the second port of hair handover module.
Further, the method for the Receiving antenna selection module selection reception antenna is as follows：
If first radio station to n-th of radio station corresponds to first antenna to n-th of antenna, acquiescence reception antenna respectively
Antenna n；If radio station n is transmitted, collected mail by (n-1)th antenna；If n-th of radio station and (n-1)th radio station transmit simultaneously, by
N-2 antenna is collected mail；If n-th of radio station, (n-1)th radio station, the n-th -2 radio station transmit simultaneously, received by the n-th -3 antennas
Letter；The rest may be inferred.
Further, the switch selection hilted broadsword n in the Receiving antenna selection module throws RF coaxial switch, and n is with being electricity
The number of platform is equal.
Further, the first switch, second switch, third switch in the transmitting-receiving handover module and the 4th switch are
The RF coaxial switch of single-pole double throw, using the switch with indication end or with TTL drivings.
Compared with prior art, the present invention has advantages below：
1) the reiving/transmitting state signal according to radio station, the state of automatic switching control equipment, participated in without artificial, simplify device
Use；
2) it is used as reception antenna by selecting an antenna, the method without being synthesized again using multiple antenna reception signals,
Reduce to reception signal Insertion Loss；
3) in platform transceiver radio station increase and decrease, only need to extend or reduce corresponding port number can effectively eliminate it is co-located
Interference, ensure communication system normal work.
Brief description of the drawings
Fig. 1 is the co-located interference cancellation apparatus structure block diagram in multi-section transceiver radio station of the present invention；
Fig. 2 is that handover module structured flowchart is received and dispatched in Fig. 1；
Fig. 3 is the structured flowchart of width phase adjusting module in Fig. 1；
Fig. 4 is the structured flowchart of synthesis module in Fig. 1；
Fig. 5 is the structured flowchart of feedback and conditioning module in Fig. 1.
Embodiment
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
It is as shown in Figure 1 the co-located interference cancellation apparatus structure block diagram in multi-section transceiver radio station, including n passage is to electric eliminating
Road module, n radio station, n antenna, a control module, a Receiving antenna selection module, a synthesis module and one are anti-
Feedback and conditioning module, the number of antenna, the number in radio station are equal with the number of passage cancellation circuit module, and n is natural number；Its
In, each passage cancellation circuit module includes a transmitting-receiving handover module, a time delay module and a width phase adjusting module.
Control module obtains the status signal that transmits/receives in radio station, transmit/receive status signal of the control module according to radio station, control
Receive and dispatch the operation of handover module and Receiving antenna selection module；Receive and dispatch handover module according to control module by all radio station receipts/
The control signal of hair-like state signal generation will receive and dispatch handover module and be adjusted to sample the radio station sampling extraction radio station launched
Signal, and the radio station for making receiving connects the passage after offseting interference；Receive selecting module and press all electricity according to control module
The control signal for transmitting/receiving status signal generation of platform, an antenna is chosen as reception antenna；Time delay module, which is used to adjust, to be extracted
Radio station sampled signal time delay；Width phase adjusting module is used for the amplitude and phase for adjusting radio station sampled signal；Synthesis module is used
Offseted again with interference signal after the radio station sampled signal synthesis after each passage width is mutually adjusted；Feedback is with conditioning module to synthesis
The output signal of module synthesis carries out sampling generation feedback signal, feedback signal then is delivered into transmitting-receiving handover module, then pass
The radio station received is given, ensures normally receiving for radio station.
Again as shown in figure 1, receiving and dispatching the 3rd port and the time delay module of handover module in each passage cancellation circuit module
Input port be connected, the output port of time delay module is connected with the input port of width phase adjusting module；Each transmitting-receiving switching mould
The fifth port of the block (fifth port and first day of i.e. first transmitting-receiving handover module connected with a corresponding antenna respectively
Line be connected, second transmitting-receiving handover module fifth port be connected with second antenna ... the like n-th transmitting-receiving switch
The fifth port of module is connected with n-th of antenna), each first port for receiving and dispatching handover module respectively with a corresponding radio station
Prevention at radio-frequency port be connected (i.e. first receive and dispatch handover module first port be connected with the prevention at radio-frequency port in first radio station, second
It is individual transmitting-receiving handover module first port be connected with the prevention at radio-frequency port in second radio station ... the like n-th transmitting-receiving switch mould
The first port of block is connected with the prevention at radio-frequency port in n-th of radio station), each the 4th port for receiving and dispatching handover module is and reception antenna
The rf inputs mouth of selecting module is connected, and each second port for receiving and dispatching handover module is with feeding back the main road with conditioning module
Output port is connected, and each the 6th port for receiving and dispatching handover module is connected with the control signal port of control module, Mei Ge electricity
The output port of platform is connected with the input port of control module, meanwhile, the control signal port of control module is also with receiving day
The control port of line options module is connected, the output port of Receiving antenna selection module and the first of synthesis module input port
It is connected, the output port of each width phase adjusting module is connected with second input port of synthesis module, and each width mutually adjusts
The control port of module is connected with feeding back with the sampled output mouth of conditioning module, output port and the feedback and tune of synthesis module
The input port of reason module is connected.
Receiving antenna selection module selection reception antenna method be：If first radio station to n-th of radio station corresponds to respectively
For first antenna to n-th of antenna, then it is antenna n to give tacit consent to reception antenna；If radio station n is transmitted, collected mail by (n-1)th antenna；
If n-th of radio station and (n-1)th radio station transmit simultaneously, collected mail by the n-th -2 antennas；If n-th of radio station, (n-1)th radio station,
The n-th -2 radio station transmit simultaneously, then are collected mail by the n-th -3 antennas；The rest may be inferred.
Apparatus of the present invention work basic procedure be：Transmit/receive status signal of the control module according to radio station, control transmitting-receiving are cut
Change the mold block and receive the operation of selecting module, transmitting-receiving handover module transmits/receives status signal according to control module by all radio station
The control signal of generation will receive and dispatch handover module and be adjusted to extract radio station sampled signal to the radio station sampling launched, and make just
Passage after connection offsets interference in the radio station of reception, receive selecting module and transmit/receive shape by all radio station according to control module
The control signal of state signal generation, an antenna is chosen as reception antenna, electricity is adjusted through time delay module and width phase adjusting module
After platform sampled signal, the interference signal received is offseted in synthesis module, through feedback and conditioning module, receives and dispatches handover module,
Send the radio station received to again, ensure normally receiving for radio station.
In the present embodiment, with reference to shown in Fig. 2, transmitting-receiving handover module includes first switch, second switch, third switch, the
Four switches and the first coupler.Wherein, the port C of first switch is the first port for receiving and dispatching handover module, second switch
Port NC is the second port for receiving and dispatching handover module, and the port NC of the 3rd switch is the 4th port for receiving and dispatching handover module,
The port C of 4th switch as receives and dispatches the fifth port of handover module, the port of the switch of port NC connections the 4th of first switch
NC, the port C of the port NO connection second switches of first switch, the input of second switch port NO the first couplers of connection
Mouthful, the port NO of the switch of main road output port connection the 3rd of the first coupler, the switch of port C connections the 4th of the 3rd switch
The end that port NO, the port Ctrl of first switch, the port Ctrl of second switch, the port Ctrl and the 4th of the 3rd switch are switched
Mouth Ctrl pools together as the 6th port of transmitting-receiving handover module, and the sampled output mouth of the first coupler is that transmitting-receiving is cut
Change the mold the 3rd port of block.
With reference to shown in Fig. 3, width phase adjusting module includes work(subassembly, quadrature combiners, the first electric adjustable bipolar decay
Device, the second electric adjustable bipolar attenuator and controller.The input port of work(subassembly connects the output port of time delay module, work(point
Two output ports of component connect the input port of the first electric adjustable bipolar attenuator respectively and the second electric adjustable bipolar declines
Subtracting the input port of device, (i.e. an output port connects the input port of the first electric adjustable bipolar attenuator, another output end
Mouth connects the input port of the second electric adjustable bipolar attenuator), the sampled output mouth of work(subassembly connects first of controller
The output port of input port, the output port of the first electric adjustable bipolar attenuator and the second electric adjustable bipolar attenuator is equal
Connect the input port of quadrature combiners, the control port of the first electric adjustable bipolar attenuator and the second electric adjustable bipolar decay
The control port of device connects output port corresponding to controller, and the output port of quadrature combiners is bonded into the input of module
Mouthful, the reversed feedback of second input port of controller and the sampled output mouth of conditioning module.Work(subassembly will be through time delay module
Radio station sampled signal after adjustment is divided into two-way constant amplitude sampled signal and extracts the sampled signal of two-way constant amplitude sampled signal respectively,
Then two sampled signals are delivered into controller (to extract the sampled signal of constant amplitude sampled signal all the way and be delivered to control
Device, extract the sampled signal of another way constant amplitude sampled signal and be delivered to controller), meanwhile, two-way constant amplitude sampled signal difference
Being delivered to the first electric adjustable bipolar attenuator and the second electric adjustable bipolar attenuator, (i.e. constant amplitude sampled signal is delivered to all the way
First electric adjustable bipolar attenuator, another way constant amplitude sampled signal are delivered to the second electric adjustable bipolar attenuator)；Controller
According to two sampled signals of input, two control signals (i.e. a sampled signal produces a control signal) are generated, and will
Two control signals are delivered to the first electric adjustable bipolar attenuator and the second electric adjustable bipolar attenuator (i.e. one control respectively
For information conveyance processed to the first electric adjustable bipolar attenuator, another control signal is delivered to the second electric adjustable bipolar decay
Device)；The control signal that first electric adjustable bipolar attenuator and the second electric adjustable bipolar attenuator generate according to controller is adjusted
The amplitude and polarity of whole constant amplitude sampled signal, and the constant amplitude sampled signal of adjustment amplitude and polarity is delivered to orthogonal synthesis
Device；Quadrature combiners sample the constant amplitude after the first electric adjustable bipolar attenuator and the second electric adjustable bipolar attenuator adjustment
The power orthogonal synthesis of signal.
With reference to shown in Fig. 4, synthesis module includes the first synthesizer and the second synthesizer.The input port of first synthesizer connects
The output port of width phase adjusting module, the output port of the first synthesizer connect second input port of the second synthesizer, and second
First input port of synthesizer receives the output port of selecting module, the reversed feedback of output port and conditioning of the second synthesizer
The input port of module；First synthesizer is used to synthesize the output signal of n width phase adjusting module.
With reference to shown in Fig. 5, feedback includes the second coupler, wave filter, the first limiter, low noise amplification with conditioning module
Device, the second limiter, the first power splitter and the second power splitter.The input port of second coupler is bonded into the output end of module
Mouthful, the main road output port of the second coupler connects the input port of wave filter, and the sampled output mouth of the second coupler connects first
The input port of power splitter, the output port of the first power splitter connect the control port of width phase adjusting module, the output port of filtering
Connect the input port of the first limiter, the output port of the first limiter connects the input port of low-noise amplifier, low noise is put
Input port, the output port of the second limiter of the limiter of output port second of big device connect the input of the second power splitter
End, the output end of the second power splitter receive the second port of hair handover module.The output that second coupler synthesizes to synthesis module
Sampled signal is delivered to the first power splitter and wave filter by signal respectively after being sampled, sampled signal is divided into by the first power splitter
N parts, n is equal with the number in radio station, and n parts sampled signal is delivered into width phase adjusting module respectively, and (i.e. a sampled signal conveys
To a width phase adjusting module)；Wave filter is delivered to the first limiter, the first amplitude limit after sampled signal to be filtered out to the interference outside band
Big signal in device limited samples signal, protect low-noise amplifier；Useful letter in the generous sampled signal of low-noise amplifier
Number, it is then sent to the second limiter；Big signal in second limiter limitation useful signal, protects the second power splitter；Second
Power splitter is used to distribute the useful signal received, useful signal then is fed back into transmitting-receiving handover module, then send to
The radio station of reception, ensure normally receiving for radio station.
In the present embodiment, the switch selection hilted broadsword n in Receiving antenna selection module throws RF coaxial switch, and n is with being radio station
Number it is equal；First switch, second switch, third switch and the 4th switch in transmitting-receiving handover module are single-pole double throw
RF coaxial switchs, using the switch with indication end or with TTL drivings；In addition, feedback and the wave filter in conditioning module, the
One limiter, low-noise amplifier and the visual actual conditions of the second limiter remove, at this moment the main road output end of the second coupler
Mouth directly connects the input port of the second power splitter.
Electric adjustable bipolar attenuator, power splitter, coupler, low-noise amplifier, limiter and radio frequency in the present invention
The radio frequency actives such as coaxial switch or passive device part can use the mature technology and product of this area.Embodiments above master
If for illustrating the specific implementation process of the present invention, technical scheme is not intended to limit, although certain embodiments are carried out
Describe in detail, but the present invention is modified or equivalent substitution, and cannot depart from the spirit and scope of the present invention any
Modification or local replacement, it should cover among scope of the presently claimed invention.
Claims (8)
- A kind of 1. co-located interference cancellation device in multi-section transceiver radio station, it is characterised in that：Including n passage cancellation circuit mould Block, n radio station, n antenna, a control module, a Receiving antenna selection module, a synthesis module and one feedback with Conditioning module, the number of antenna, the number in radio station are equal with the number of passage cancellation circuit module, and n is natural number；Wherein, Each passage cancellation circuit module includes a transmitting-receiving handover module, a time delay module and a width phase adjusting module；The 3rd port that handover module is received and dispatched in each passage cancellation circuit module is connected with the input port of time delay module, time delay The output port of module is connected with the input port of width phase adjusting module；The fifth port of each transmitting-receiving handover module respectively with it is right The antenna answered is connected, each first port for receiving and dispatching handover module prevention at radio-frequency port phase with a corresponding radio station respectively Even, each the 4th port for receiving and dispatching handover module is connected with the rf inputs mouth of Receiving antenna selection module, each transmitting-receiving The second port of handover module is connected with feeding back with the main road output port of conditioning module, each to receive and dispatch the 6th of handover module Port is connected with the control signal port of control module, the input port phase of the output port in each radio station with control module Even, control port of the control signal port of control module also with Receiving antenna selection module is connected, Receiving antenna selection module Output port be connected with first input port of synthesis module, the output port of each width phase adjusting module is with synthesizing mould Second input port of block is connected, the sampled output of the control port and feedback and conditioning module of each width phase adjusting module Mouth is connected, and the output port of synthesis module is connected with feeding back with the input port of conditioning module.
- 2. the co-located interference cancellation device in multi-section transceiver radio station according to claim 1, it is characterised in that：The transmitting-receiving is cut Changing the mold block includes first switch, second switch, third switch, the 4th switch and the first coupler；The port C of first switch is receipts Send out the first port of handover module, the port NC of second switch is the second port of transmitting-receiving handover module, the port of the 3rd switch NC is the 4th port of transmitting-receiving handover module, and the port C of the 4th switch is the fifth port of transmitting-receiving handover module, first switch The port NC, the port C, second switch port NO of the port NO connection second switches of first switch that port NC connections the 4th switch The input port of the first coupler is connected, the port NO of the switch of main road output port connection the 3rd of the first coupler, the 3rd opens The port NO that the port C connections the 4th of pass switch, the port Ctrl of first switch, the port Ctrl of second switch, the 3rd switch The port Ctrl of the switches of port Ctrl and the 4th collect to receive and dispatch the 6th port of handover module, the sampling of the first coupler is defeated Exit port is the 3rd port of transmitting-receiving handover module.
- 3. the co-located interference cancellation device in multi-section transceiver radio station according to claim 1, it is characterised in that：The width is mutually adjusted Mould preparation block include work(subassembly, quadrature combiners, the first electric adjustable bipolar attenuator, the second electric adjustable bipolar attenuator and Controller；The input port of work(subassembly connects the output port of time delay module, and two output ports of work(subassembly connect respectively The input port of the input port of one electric adjustable bipolar attenuator and the second electric adjustable bipolar attenuator, work(subassembly are adopted Sample output port connects first input port of controller, and the output port and the second electricity of the first electric adjustable bipolar attenuator can The output port of bipolarity attenuator is adjusted to connect the input port of quadrature combiners, the control of the first electric adjustable bipolar attenuator The control port of port and the second electric adjustable bipolar attenuator connects output port corresponding to controller, quadrature combiners it is defeated Exit port is bonded into the input port of module, the reversed feedback of second input port of controller and the sampled output of conditioning module Mouthful.
- 4. the co-located interference cancellation device in multi-section transceiver radio station according to claim 1, it is characterised in that：The synthesis mould Block includes the first synthesizer and the second synthesizer；The input port of first synthesizer connects the output port of width phase adjusting module, the The output port of one synthesizer connects second input port of the second synthesizer, and first input port of the second synthesizer receives The output port of selecting module, the reversed feedback of output port of the second synthesizer and the input port of conditioning module.
- 5. the co-located interference cancellation device in multi-section transceiver radio station according to claim 1, it is characterised in that：It is described feedback with Conditioning module include the second coupler, wave filter, the first limiter, low-noise amplifier, the second limiter, the first power splitter and Second power splitter；The input port of second coupler is bonded into the output port of module, the main road output port of the second coupler The input port of wave filter is connect, the sampled output mouth of the second coupler connects the input port of the first power splitter, the first power splitter Output port connect width phase adjusting module control port, filtering output port connect the input port of the first limiter, first The output port of limiter connect the input port of low-noise amplifier, low-noise amplifier the limiter of output port second it is defeated Inbound port, the output port of the second limiter connect the input of the second power splitter, the output end of the second power splitter receives hair and cut Change the mold the second port of block.
- 6. the co-located interference cancellation device in multi-section transceiver radio station according to claim 1, it is characterised in that：The reception day The method of line options module selection reception antenna is as follows：If first radio station to n-th of radio station corresponds to first antenna to n-th of antenna respectively, acquiescence reception antenna is antenna n；If radio station n is transmitted, collected mail by (n-1)th antenna；If n-th of radio station and (n-1)th radio station transmit simultaneously, by n-th -2 Individual antenna is collected mail；If n-th of radio station, (n-1)th radio station, the n-th -2 radio station transmit simultaneously, collected mail by the n-th -3 antennas；According to This analogizes.
- 7. the co-located interference cancellation device in multi-section transceiver radio station according to claim 1, it is characterised in that：The reception day Switch selection hilted broadsword n in line options module throws RF coaxial switch, and n is equal with for the number in radio station.
- 8. the co-located interference cancellation device in multi-section transceiver radio station according to claim 1, it is characterised in that：The transmitting-receiving is cut First switch, second switch, third switch and the 4th switch in mold changing block are the RF coaxial switch of single-pole double throw, are used Switch with indication end or with TTL drivings.
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| CN109525263A (en) * | 2018-09-30 | 2019-03-26 | 中国人民解放军海军工程大学 | Two-band multi-channel radio frequency interference cancellation device |
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| CN116208185A (en) * | 2023-05-05 | 2023-06-02 | 中国人民解放军63921部队 | Radio frequency interference suppression system of co-located platform equipment |
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| CN107659333B (en) | 2019-10-22 |
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