CN107659333B - 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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- CN107659333B CN107659333B CN201710846705.9A CN201710846705A CN107659333B CN 107659333 B CN107659333 B CN 107659333B CN 201710846705 A CN201710846705 A CN 201710846705A CN 107659333 B CN107659333 B CN 107659333B
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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 devices in multi-section transceiver radio station, including n channel 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, number, the number in radio station of antenna are equal with the number of channel cancellation circuit module, and n is natural number；Wherein, each channel cancellation circuit module mutually adjusts module with a width including transmitting-receiving switching module, a time delay module.According to the reiving/transmitting state signal in radio station, the state of automatic switching control equipment participates in without artificial, simplifies the use of device；It is reduced without receiving signal synthetic method again using mutiple antennas to reception signal Insertion Loss by a selected antenna as receiving antenna；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 that communication system works normally.
Description
Technical field
The invention belongs to the technical field of electromagnetic compatibility of wireless communication, and in particular to a kind of multi-section transceiver radio station is co-located
Interference cancellation device.
Background technique
In order to adapt to modern operation environmental demand, the special type platform device such as naval vessel, aircraft and battlebus is constantly increasing spy
The equipment such as survey, communication and electronic warfare, cause the radio-frequency antenna type and quantity on platform to be continuously increased.Promoting platform operation energy
While power, excessive radio-frequency antenna will generate electromagnetic interference and the problems such as compatibility, electromagnetism stealth, influence platform fighting efficiency and
Survival ability.Transceiver radio station is one of smooth main equipment of Support, Command tactical communications.Have in a limited space more
When portion transceiver radio station works at the same time, the radio station emitted can be interfered just in received radio station, lead to severe radiation electric
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 the received distant place in radio station, stray signals
Useful signal may also be flooded；When multi-section radio station emits simultaneously, electromagnetic environment is more complicated, receives radio station and is easier to be disturbed.
Current multichannel radiation interference compensation device, interference when can solve the transmitting of multi-section transmitter to receiver, that is, solve to receive
Emit the interference of equipment interconnection receiving unit between the equipment isolated with hair.But for transceiver radio station, transmitter and receiver
Other reception radio station are interfered when emitting in shared radio frequency port and antenna, radio station, and when reception can be done by other radio station emitted
It disturbs, i.e., same portion radio station is interference source, is to transmit/receive the variation of state with radio station and convert also or sensitive equipment.Therefore,
Current radiation interference compensation device not can solve the co-located interference between multi-section transceiver radio station still.
Summary of the invention
The purpose of the present invention is to the co-located interference problems between the multi-section transceiver radio station of total platform, provide one
The kind co-located interference cancellation device in multi-section transceiver radio station can adapt to the conversion of transceiver radio station transceiver mode, realize radio station
Between interfere from eliminate, effectively promoted multi-section transceiver radio station it is co-located when anti-interference ability.
To achieve the above object, the co-located interference cancellation device in multi-section transceiver radio station designed by the present invention, feature
It is: including n channel cancellation circuit module, n radio station, n antenna, a control module, a Receiving antenna selection mould
Block, a synthesis module and a feedback and conditioning module, the number of antenna, the number in radio station with channel cancellation circuit module
Number it is equal, n is natural number；Wherein, each channel cancellation circuit module includes transmitting-receiving switching module, a time delay mould
Block and a width mutually adjust module；
The third port that switching module is received and dispatched in each channel cancellation circuit module is connected with the input port of time delay module,
The input port that the output port of time delay module mutually adjusts module with width is connected；The fifth port difference of each transmitting-receiving switching module
With a corresponding antenna be connected, it is each transmitting-receiving switching module first port respectively with the prevention at radio-frequency port in a corresponding radio station
It is connected, the 4th port of each transmitting-receiving switching module is connected with the rf inputs mouth of Receiving antenna selection module, Mei Geshou
The second port for sending out switching module is connected with feedback with the main road output port of conditioning module, each to receive and dispatch the of switching module
Six ports are connected with the control signal end mouth of control module, the output port in each radio station with the input port of control module
It is connected, the control signal end mouth of control module is also connected with the control port of Receiving antenna selection module, Receiving antenna selection mould
The output port of block is connected with first input port of synthesis module, each width mutually adjust the output port of module with synthesis
Second input port of module is connected, and the sampling that each width mutually adjusts the control port and feedback and conditioning module of module exports
Port is connected, and the output port of synthesis module is connected with feedback with the input port of conditioning module.
Further, the transmitting-receiving switching 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 for receiving and dispatching switching module, and the port NC of second switch is transmitting-receiving switching mould
The second port of block, the port NC of third switch are the 4th port for receiving and dispatching switching module, and the port C of the 4th switch is that transmitting-receiving is cut
Change the mold the fifth port of block, the port NC of the switch of port NC connection the 4th of first switch, the port NO connection of first switch the
The port C of two switches, the input port of second switch port NO the first coupler of connection, the main road output port of the first coupler
The port NO of third switch is connected, the port NO for the switch of port C connection the 4th that third switchs, the port Ctrl of first switch,
The port Ctrl of second switch, the port Ctrl of the switch of port Ctrl and the 4th of third switch collect for transmitting-receiving switching module
6th port, the sampled output mouth of the first coupler are the third port for receiving and dispatching switching module.
Further, it includes function subassembly, quadrature combiners, the first electric adjustable bipolar decaying that the width, which mutually adjusts module,
Device, the second electric adjustable bipolar attenuator and controller；The input port of function subassembly connects the output port of time delay module, function 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 function subassembly connects first input port of controller, and the first electricity is adjustable bipolar
Property attenuator output port and the output port of the second electric adjustable bipolar attenuator connect the input ports 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 terminal of controller
The sampled output mouth of mouth reversed feedback and conditioning module.
Further, the synthesis module includes the first synthesizer and the second synthesizer；The input port of first synthesizer
The output port that width mutually adjusts 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 connects the output port of Receiving antenna selection module, and the output port of the second synthesizer is reversed
The input port of feedback and conditioning module.
Further, the feedback is put with conditioning module including the second coupler, 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 filter, and the sampled output mouth of the second coupler connects first
The input port of power splitter, the first power splitter output port connect the output end that width mutually adjusts the control port of module, filter
Mouth connects the input port of the first limiter, the output port of the first limiter connects the input port of low-noise amplifier, low noise
The input port of the second limiter of output port, the output port of the second limiter of amplifier connect the input of the second power splitter
The second port of switching module is sent out in the output end reception at end, the second power splitter.
Further, the method for the Receiving antenna selection module selection receiving antenna is as follows:
If first radio station to n-th of radio station respectively corresponds first antenna to n-th of antenna, defaulting receiving 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-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, in the Receiving antenna selection module switch selection hilted broadsword n throw RF coaxial switch, n with for electricity
The number of platform is equal.
Further, the first switch, second switch, third switch in the transmitting-receiving switching module and the 4th switch are
The RF coaxial of single-pole double throw switchs, using the switch with indication end or with TTL driving.
Compared with prior art, the invention has the following advantages that
1) the reiving/transmitting state signal according to radio station, the state of automatic switching control equipment participate in without artificial, simplify device
It uses；
2) by a selected antenna as receiving antenna, without receiving signal synthetic method again using mutiple antennas,
It reduces 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 ensures that communication system works normally.
Detailed description of the invention
Fig. 1 is the co-located interference cancellation apparatus structure block diagram in multi-section transceiver of the present invention radio station；
Fig. 2 is that switching module structural block diagram is received and dispatched in Fig. 1；
Fig. 3 is the structural block diagram that width mutually adjusts module in Fig. 1；
Fig. 4 is the structural block diagram of synthesis module in Fig. 1；
Fig. 5 is the structural block diagram of feedback and conditioning module in Fig. 1.
Specific embodiment
The following further describes the present invention in detail with reference to the accompanying drawings and specific embodiments.
It is as shown in Figure 1 the co-located interference cancellation apparatus structure block diagram in multi-section transceiver radio station, including n channel 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, number, the number in radio station of antenna are equal with the number of channel cancellation circuit module, and n is natural number；Its
In, each channel cancellation circuit module mutually adjusts module with a width including transmitting-receiving switching module, a time delay 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 switching module and Receiving antenna selection module；Receive and dispatch switching module according to control module by all radio station receipts/
The control signal that hair status signal generates will receive and dispatch switching module and be adjusted to extract radio station sampling to the radio station sampling emitted
Signal, and make just to connect the channel after offseting interference in received radio station；It receives selecting module and presses all electricity according to control module
The control signal for transmitting/receiving status signal generation of platform, chooses an antenna as receiving antenna；Time delay module is extracted for adjusting
Radio station sampled signal time delay；Width mutually adjusts module for adjusting the amplitude and phase of radio station sampled signal；Synthesis module is used
It is offseted again with interference signal after by the sampled signal synthesis in radio station mutually adjusted of each channel width；Feedback and conditioning module are to synthesis
The output signal of module synthesis carries out sampling and generates feedback signal, feedback signal is then delivered to transmitting-receiving switching module, then pass
It gives just in received radio station, guarantees normally receiving for radio station.
Again as shown in Figure 1, receiving and dispatching the third port and time delay module of switching module in each channel cancellation circuit module
Input port be connected, the input port that the output port of time delay module mutually adjusts module with width is connected；Each transmitting-receiving switches mould
The fifth port of block is connected with a corresponding antenna respectively, and (i.e. first is received and dispatched the fifth port and first day of switching module
Line be connected, second transmitting-receiving switching module fifth port be connected with second antenna ... and so on n-th of transmitting-receiving switch
The fifth port of module is connected with n-th of antenna), it is each transmitting-receiving switching module first port respectively with a corresponding radio station
Prevention at radio-frequency port be connected (i.e. first transmitting-receiving switching module first port be connected with the prevention at radio-frequency port in first radio station, second
It is a transmitting-receiving switching module first port be connected with the prevention at radio-frequency port in second radio station ... and so on n-th of transmitting-receiving switch mould
The first port of block is connected with the prevention at radio-frequency port in n-th of radio station), the 4th port of each transmitting-receiving switching module is and receiving antenna
The rf inputs mouth of selecting module is connected, main road of the second port of each transmitting-receiving switching module with feedback and conditioning module
Output port is connected, and the 6th port of each transmitting-receiving switching module is connected with the control signal end mouth of control module, Mei Ge electricity
The output port of platform is connected with the input port of control module, meanwhile, the control signal end mouth of control module also with receive day
The control port of line options module is connected, the output port of Receiving antenna selection module and first input port of synthesis module
It is connected, the output port that each width mutually adjusts module is connected with second input port of synthesis module, and each width mutually adjusts
The control port of module is connected with feedback with the sampled output mouth of conditioning module, the output port and feedback and tune of synthesis module
The input port for managing module is connected.
The method of Receiving antenna selection module selection receiving antenna is: if first radio station to n-th of radio station respectively corresponds
For first antenna to n-th of antenna, then defaulting receiving 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, 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.
The basic procedure of apparatus of the present invention work are as follows: transmit/receive status signal of the control module according to radio station, control transmitting-receiving are cut
It changes the mold block and receives the operation of selecting module, transmitting-receiving switching module transmits/receives status signal by all radio station according to control module
The control signal of generation will receive and dispatch switching module and be adjusted to extract radio station sampled signal to the radio station sampling emitted, and make just
Channel after connection offsets interference in received radio station receives selecting module according to control module and transmits/receives shape by all radio station
The control signal that state signal generates chooses an antenna as receiving antenna, mutually adjusts module adjustment electricity with width through time delay module
After platform sampled signal, the interference signal received is offseted in synthesis module, through feedback and conditioning module, receives and dispatches switching module,
It sends to again just in received radio station, guarantees normally receiving for radio station.
In the present embodiment, as shown in connection with fig. 2, transmitting-receiving switching 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 switching module, second switch
Port NC is the second port for receiving and dispatching switching module, and the port NC of third switch is the 4th port for receiving and dispatching switching module,
The port C of 4th switch is the fifth port for receiving and dispatching switching module, the port that the port NC connection the 4th of first switch switchs
NC, the port C of the port NO connection second switch of first switch, the input terminal of second switch port NO the first coupler of connection
Mouthful, the port NO of the main road output port connection third switch of the first coupler, what the port C connection the 4th of third switch switched
The end for the switch of port Ctrl and the 4th that port NO, the port Ctrl of first switch, the port Ctrl of second switch, third switch
Mouth Ctrl, which pools together, becomes the 6th port of transmitting-receiving switching module, and the sampled output mouth of the first coupler is to receive and dispatch to cut
Change the mold the third port of block.
As shown in connection with fig. 3, it includes function subassembly, quadrature combiners, the first electric adjustable bipolar decaying that width, which mutually adjusts module,
Device, the second electric adjustable bipolar attenuator and controller.The input port of function subassembly connects the output port of time delay module, function 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
Mouth connects the input port of the second electric adjustable bipolar attenuator), the sampled output mouth of function subassembly meets 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 decaying
The control port of device connects the corresponding output port of controller, and the output port of quadrature combiners is bonded into the input terminal of module
Mouthful, the sampled output mouth of second input port of controller reversed feedback and conditioning module.Function subassembly will be through time delay module
Radio station sampled signal adjusted 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 controller is delivered to (to extract the sampled signal of constant amplitude sampled signal all the way and be delivered to control
Device extracts the sampled signal of another way constant amplitude sampled signal and is 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) is 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 decaying
Device)；The control signal tune that first electric adjustable bipolar attenuator and the second electric adjustable bipolar attenuator are generated according to controller
The amplitude and polarity of whole constant amplitude sampled signal, and adjustment amplitude and polar constant amplitude sampled signal are delivered to orthogonal synthesis
Device；Quadrature combiners sample the first electric adjustable bipolar attenuator and the second electric adjustable bipolar attenuator constant amplitude adjusted
The power orthogonal synthesis of signal.
As shown in connection with fig. 4, synthesis module includes the first synthesizer and the second synthesizer.The input port of first synthesizer connects
Width mutually adjusts the output port of module, and the output port of the first synthesizer connects 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 the output port of the second synthesizer and conditioning
The input port of module；The output signal that first synthesizer is used to mutually adjust n width module synthesizes.
As shown in connection with fig. 5, feedback and conditioning module include the second coupler, filter, the first limiter, low noise amplification
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 filter, and the sampled output mouth of the second coupler connects first
The input port of power splitter, the first power splitter output port connect the output port that width mutually adjusts the control port of module, filtering
The output port of the input port, the first limiter that connect the first limiter connects the input port of low-noise amplifier, low noise is put
The input port of the second limiter of output port, the output port of the second limiter of big device connect the input of the second power splitter
The second port of switching module is sent out in the output end reception at end, the second power splitter.The output that second coupler synthesizes synthesis module
Sampled signal is delivered to the first power splitter and filter by signal respectively after being sampled, sampled signal is divided by the first power splitter
N parts, n is equal with the number in radio station, and n parts of sampled signals are delivered to width respectively and mutually adjust module (i.e. a sampled signal conveying
Module is mutually adjusted to a width)；Filter is delivered to the first limiter, the first clipping after sampled signal to be filtered out to the interference outside band
Big signal in device limited samples signal protects low-noise amplifier；Useful letter in the generous sampled signal of low-noise amplifier
Number, it is then sent to the second limiter；Second limiter limits the big signal in useful signal, protects the second power splitter；Second
Then useful signal is fed back to transmitting-receiving switching module, then send to for distributing the useful signal received by power splitter
Received radio station guarantees normally receiving for radio station.
In the present embodiment, switch in Receiving antenna selection module selection hilted broadsword n throws RF coaxial switch, n be radio station
Number it is equal；First switch, second switch, third switch and the 4th switch in transmitting-receiving switching module are single-pole double throw
RF coaxial switch, using the switch with indication end or with TTL driving；In addition, feedback in conditioning module filter, 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 component can use the mature technology and product of this field.Embodiments above master
If being used to illustrate specific implementation process of the invention, it is not intended to limit technical solution of the present invention, although certain embodiments carry out
It is described in detail, but modifies or equivalently replaces the present invention, and cannot depart from the spirit and scope of the present invention any
Modification or part replacement, should be included within the scope of the claims of the present invention.
Claims (7)
1. a kind of co-located interference cancellation device in multi-section transceiver radio station, it is characterised in that: including n channel 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, number, the number in radio station of antenna are equal with the number of channel cancellation circuit module, and n is natural number；Wherein,
Each channel cancellation circuit module mutually adjusts module with a width including transmitting-receiving switching module, a time delay module；
The third port that switching module is received and dispatched in each channel cancellation circuit module is connected with the input port of time delay module, time delay
The input port that the output port of module mutually adjusts module with width is connected；It is each transmitting-receiving switching module fifth port respectively with it is right
An antenna answering is connected, the first port of each transmitting-receiving switching module respectively with the prevention at radio-frequency port phase in a corresponding radio station
Even, the 4th port of each transmitting-receiving switching module is connected with the rf inputs mouth of Receiving antenna selection module, each transmitting-receiving
The second port of switching module is connected with feedback with the main road output port of conditioning module, and the 6th of each transmitting-receiving switching module the
Port is connected with the control signal end mouth of control module, the output port in each radio station with the input port phase of control module
Even, the control signal end mouth of control module is also connected with the control port of Receiving antenna selection module, Receiving antenna selection module
Output port be connected with first input port of synthesis module, each width mutually adjust the output port of module with synthesis mould
Second input port of block is connected, and each width mutually adjusts the control port of module and the sampled output of feedback and conditioning module
Mouth is connected, and the output port of synthesis module is connected with feedback with the input port of conditioning module；
The transmitting-receiving switching module includes first switch, second switch, third switch, the 4th switch and the first coupler；First
The port C of switch is the first port for receiving and dispatching switching module, and the port NC of second switch is the second port for receiving and dispatching switching module,
The port NC of third switch is the 4th port for receiving and dispatching switching module, and the port C of the 4th switch is receive and dispatch switching module the 5
Port, the port NC that the port NC connection the 4th of first switch switchs, the port of the port NO connection second switch of first switch
C, the input port of second switch port NO the first coupler of connection, the main road output port connection third switch of the first coupler
Port NO, the port NO of the switch of port C connection the 4th of third switch, the end of the port Ctrl of first switch, second switch
Mouth Ctrl, the port Ctrl that the port Ctrl and the 4th of third switch is switched collect to receive and dispatch the 6th port of switching module, the
The sampled output mouth of one coupler is the third port for receiving and dispatching switching module.
2. 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 function subassembly, quadrature combiners, the first electric adjustable bipolar attenuator, the second electric adjustable bipolar attenuator and
Controller；The input port of function subassembly connects the output port of time delay module, and two output ports of function subassembly connect respectively
The input port of the input port of one electric adjustable bipolar attenuator and the second electric adjustable bipolar attenuator, function 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 the corresponding output port of controller, quadrature combiners it is defeated
Exit port is bonded into the input port of module, the sampled output of second input port of controller reversed feedback and conditioning module
Mouthful.
3. 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 that width mutually adjusts module, the
The output port of one synthesizer connects second input port of the second synthesizer, and first input port of the second synthesizer connects
Receive the output port of Antenna Selection Module, the input port of the output port of the second synthesizer reversed feedback and conditioning module.
4. 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, 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 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 that width mutually adjusts the control port of module, the output port of filter connects the input port of the first limiter,
The output port of one limiter connects output port the second limiter of the input port of low-noise amplifier, low-noise amplifier
Input port, the second limiter output port connect the input terminal of the second power splitter, the second power splitter output end receive hair
The second port of switching module.
5. the co-located interference cancellation device in multi-section transceiver radio station according to claim 1, it is characterised in that: the reception day
Line options module selects the method for receiving antenna as follows:
If first radio station to n-th of radio station respectively corresponds first antenna to n-th of antenna, defaulting receiving 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
A 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.
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
In line options module switch selection hilted broadsword n throw RF coaxial switch, n with for the number in radio station it is equal.
7. 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 driving.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN109525263B (en) * | 2018-09-30 | 2021-05-07 | 中国人民解放军海军工程大学 | Dual-band multi-channel radio frequency interference cancellation device |
| CN109347498B (en) * | 2018-09-30 | 2021-04-20 | 中国人民解放军海军工程大学 | Interference cancellation device for very high frequency radio station |
| CN114157386A (en) * | 2021-11-30 | 2022-03-08 | 湖北工业大学 | Four-channel robust adaptive co-location interference cancellation system and method |
| CN116208185B (en) * | 2023-05-05 | 2023-08-22 | 中国人民解放军63921部队 | Radio frequency interference suppression system of co-located platform equipment |
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