CN101363890B - Dual polarization 5-channel radio monitoring and super-resolution direction-finding fixation station system - Google Patents
Dual polarization 5-channel radio monitoring and super-resolution direction-finding fixation station system Download PDFInfo
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Abstract
The invention provides a double-polarization five-channel radio monitoring and super-resolution direction-finding fixed station system, which structurally comprises a vertical-polarization passive direction-finding antenna array, an electrical rotation unit, a horizontal-polarization passive direction-finding antenna array, two electrical rotation switches, a selector (10:5), two RF tri-functional amplifier modules, a monitoring direction-finding selector, a five-channel monitoring direction-finding receiver, a monitoring direction-finding processing module, a computer system, a vertical-polarization monitoring antenna, a horizontal-polarization monitoring antenna and the like. The system has the advantages that a plurality of co-channel signals simultaneously appearing can be effectively identified; the angle estimated precision, the angle resolution and the precision of other related parameters of the spatial signals in a system processing wide band are improved; and the passive wide-aperture large-base dual-polarization antenna array is adopted to solve the mutual coupling between the antenna array cells to eliminate the coupling and the phase ambiguity among element antennae. With the system, the super-resolution monitoring direction-finding to the wireless communication signals of the vertically polarized wave and the broadcast television signals of the horizontally polarized wave is monitored.
Description
Technical field:
What the present invention relates to is dual polarization 5-channel radio monitoring and super-resolution direction-finding fixation station system, belongs to the array signal digital processing direction finding technology field in the communication technology.
Background technology:
We often run into the telex network of being disturbed and do not allow to interrupt (as the communication and navigation frequency on airport in radio control, public correspondence), and use many base station equipment (as paging, honeycomb public correspondence net) situation, when same channel occurs multiple spot simultaneously and transmits, conventional direction finding technology is difficult to differentiate, through research, adopt space spectrum estimation ultra-resolution rate direction finding technology can solve the problem of many signals simultaneous direction finding (such as the shortwave direction finding), can distinguish under certain conditions because the coherent signal that multipath causes, so can be widely used in the direction-finding station in city, and at radar, communication, various fields such as sonar have broad application prospects.
Summary of the invention:
The objective of the invention is at the problems referred to above, propose dual polarization 5-channel radio monitoring and super-resolution direction-finding fixation station system.Adopt wide aperture DF antenna system, the five channel synchronization direction-finding receivers of dual polarization Unit five, the space spectrum estimation ultra-resolution rate direction finding technology of uses advanced and DSP Digital Signal Processing are realized high-resolution direction finding to the broadcast television signal of the radiocommunication signals of vertically polarized wave and horizontal polarized wave by statistic algorithm (MUSIC Multiple Signal Classification method).
Technical solution of the present invention: dual polarization 5-channel radio monitoring and super-resolution direction-finding fixation station system, the output that it is characterized in that perpendicular polarization passive direction finding antenna array is outwarded winding with the A electricity and is closed corresponding the joining of input of unit, corresponding the joining of first input end that the output of horizontal polarization passive direction finding antenna array and B electricity are outwarded winding the unit, pass; The A electricity output that closes the unit of outwarding winding selects for 5 corresponding joining of first input end with selector 10, the B electricity output that closes the unit of outwarding winding selects for 5 corresponding joining of second input with selector 10, selector 10 selects corresponding the joining of first input end of 5 output and RF three function amplifier modules A, corresponding the joining of first input end of the output of RF three function amplifier modules and monitoring and direction-finding selector; Corresponding the joining of first input end of the output of monitoring and direction-finding selector and five channel monitoring direction-finding receivers; Corresponding the joining of first input end of first output of monitoring and direction-finding processing module and RF three function amplifier modules A; Second output of monitoring and direction-finding processing module is outwarded winding with the B electricity and is closed corresponding the joining of second input of unit, the 3rd output of monitoring and direction-finding processing module selects for 5 corresponding joining of the 3rd input with selector 10, corresponding the joining of second input of the 4th output of monitoring and direction-finding processing module and RF three function amplifier module B, corresponding the joining of second input of the 5th output of monitoring and direction-finding processing module and monitoring and direction-finding selector; Corresponding the joining of second input of the 6th output of monitoring and direction-finding processing module and five channel monitoring direction-finding receivers; Corresponding the joining of the first output/input of the I/O end of five channel monitoring direction-finding receivers and computer system, corresponding the joining of I/O end of the second output/input of computer system and monitoring and direction-finding processing module, corresponding the joining of second input of the output of perpendicular polarization monitoring aerial and RF three function amplifier modules A, corresponding the joining of the 3rd input of the output of horizontal polarization monitoring aerial and RF three function amplifier modules, first output of RF three function amplifier module B and corresponding the joining of the 3rd input of monitoring and direction-finding selector, second output of RF three function amplifier modules and corresponding the joining of four-input terminal of monitoring and direction-finding selector, the power output end of battery pack or civil power joins with the input of UPS is corresponding, UPS corresponding joining of input of first output and monitoring and direction-finding processing module, corresponding the joining of input of second output of UPS and environmental monitoring and remote control unit, the output of environmental monitoring and remote control unit joins with the input of computer system is corresponding, environmental monitoring and remote control unit and hub, the network serial connection.
Advantage of the present invention: adopt space spectrum estimation ultra-resolution rate direction finding technology and DSP Digital Signal Processing, the statistic algorithm of uses advanced (MUSIC Multiple Signal Classification method), can effectively distinguish a plurality of co-channel signals that occur simultaneously, improve angle estimated accuracy, angular resolution and other relevant parameter precision of spacing wave in the system handles bandwidth greatly; Adopt the big basic dual polarization direction estimation antenna array in passive wide aperture, solved the mutual coupling problem between each bay well, got rid of coupling and phase ambiguity between element antenna.The low noise amplifier that has adopted five good channel direction-finding receivers of phase equalization and had amplification, straight-through, three kinds of functions of decay has enlarged the dynamic application scope of received signal.Adopt software and radio technique, when not direction finding, can change the monitoring and the signal analysis of multi channel different frequency domain, time domain, modulation domain over to, utilize resource fullest.System has realized the super-resolution monitoring and direction-finding to the broadcast television signal of the wireless communication signal of vertically polarized wave and horizontal polarized wave.
Description of drawings:
Accompanying drawing 1 is an embodiment of the invention electricity theory diagram
Accompanying drawing 2 is that electricity is outwarded winding and closed unit electricity principle schematic
Accompanying drawing 3 is RF three function amplifiers electricity theory diagrams
Accompanying drawing 4 is that power divider is the structured flowchart of example with the 1:2 distributor
Accompanying drawing 5 is structured flowcharts of environmental monitoring and remote control unit
Accompanying drawing 6 is dual polarization passive direction finding antenna array (fixed station is used) floor map
Embodiment:
Contrast accompanying drawing 1, its structure mainly comprises: perpendicular polarization passive direction finding antenna array 1, horizontal polarization passive direction finding antenna array 2, A electricity are outwarded winding and are closed unit 3, B electricity and outward winding and close unit 4, selector (10:5) 5, RF three function amplifier modules A, survey direction finding selector 7, five channel monitoring direction-finding receivers 8, monitoring and direction-finding processing module 9, computer system 10, perpendicular polarization monitoring aerial 11, horizontal polarization monitoring aerial 12, RF three function amplifier module B, battery pack or civil power 14, UPS15, environmental monitoring and remote control unit 16, hub 17, network 18.Wherein the signal output part of perpendicular polarization passive direction finding antenna array 1 is outwarded winding with the A electricity and is closed corresponding the joining of signal input part of unit 3, and the signal output part of horizontal polarization passive direction finding antenna array 2 is outwarded winding with the B electricity and closed corresponding the joining of first signal input part of unit 4; Corresponding the joining of first signal input part that the A electricity is outwarded winding the signal output part with the selector (10:5) 5 that close unit 3, corresponding the joining of secondary signal input that the B electricity is outwarded winding the signal output part with the selector (10:5) 5 that close unit 4, corresponding the joining of first signal input part of the signal output part of selector (10:5) 5 and RF three function amplifier modules 6, corresponding the joining of first signal input part of the signal output part of RF three function amplifier modules 6 and monitoring and direction-finding selector 7; Corresponding the joining of first signal input part of the signal output part of monitoring and direction-finding selector 7 and five channel monitoring direction-finding receivers 8; Corresponding the joining of first signal input part of first signal output part of monitoring and direction-finding processing module 9 and RF three function amplifier modules 13; The secondary signal output of monitoring and direction-finding processing module 9 is outwarded winding with the B electricity and is closed corresponding the joining of secondary signal input of unit 4, corresponding the joining of the 3rd signal input part of the 3rd signal output part of monitoring and direction-finding processing module 9 and selector (10:5), corresponding the joining of secondary signal input of the 4th signal output part of monitoring and direction-finding processing module 9 and RF three function amplifier modules 6, corresponding the joining of secondary signal input of the 5th signal output part of monitoring and direction-finding processing module 9 and monitoring and direction-finding selector 7; Corresponding the joining of secondary signal input of the 6th signal output part of monitoring and direction-finding processing module 9 and five channel monitoring direction-finding receivers 8; The signal I/O end of five channel monitoring direction-finding receivers 8 and computer system 10 first signal output/input is corresponding joins, corresponding the joining of signal I/O end of the secondary signal output/input of computer system 10 and monitoring and direction-finding processing module 9, corresponding the joining of secondary signal input of the signal output part of perpendicular polarization monitoring aerial 11 and RF three function amplifier modules 13, corresponding the joining of the 3rd signal input part of the signal output part of horizontal polarization monitoring aerial 12 and RF three function amplifier modules 13, first signal output part of RF three function amplifier modules 13 and corresponding the joining of the 3rd signal input part of monitoring and direction-finding selector 7, the secondary signal output of RF three function amplifier modules 13 and corresponding the joining of the 4th signal input part of monitoring and direction-finding selector 7, the power output end of battery pack or civil power 14 joins with the signal input part of UPS15 is corresponding, UPS15 corresponding joining of signal input part of first signal output part and monitoring and direction-finding processing module 9, UPS15 corresponding joining of signal input part of secondary signal output and environmental monitoring and remote control unit 16, corresponding the joining of signal input part of the signal output part of environmental monitoring and remote control unit 16 and computer system 10, environmental monitoring and remote control unit 16 and hub 17, network 18 serial connections.
Described perpendicular polarization passive direction finding antenna array 1 referring to Fig. 6, divides four layers of arrangement along short transverse, respectively corresponding four frequency ranges; The working frequency range of orlop antenna array is 20～160MHz, forms big basic circular array, about 3 meters of array diameter by five pairs long 1.8 meters, the passive wide aperture vertical dipole antenna of diameter 40mm; Up the second layer is the antenna array of 160～500MHz frequency range, is about 0.6 meter, the passive wide aperture vertical dipole antenna of diameter 16mm by five pairs and forms big basic circular array, and the array diameter dwindles to some extent; The 3rd layer is the antenna array of 500～1350MHz frequency range, is about 0.3 meter, the passive wide aperture vertical dipole antenna of diameter 16mm by five pairs and forms big basic circular array, and the array diameter further dwindles; The 4th layer is the antenna array of 1350～3000MHz frequency range, is about 0.2 meter, the passive wide aperture vertical dipole antenna of diameter 17mm by five pairs and forms big basic circular array, and the array diameter dwindles once more; Lightning rod is installed topmost, about 5 meters of antenna total height, impedance is 50 Ω, interface is a N type socket.
Described horizontal polarization passive direction finding antenna array 2 referring to Fig. 6, is divided into two-layer arrangement (respectively corresponding two frequency ranges) along short transverse.Lower floor is 30～300MHz band antenna battle array, forms big basis circle battle array, about 3 meters of array diameter by the passive wide aperture orthogonal dipole antennas of five pairs of horizontal positioned (two are about 0.5 meter, the crosswise combined crosswise of dipole of diameter 16mm and form); The upper strata is 300～1300MHz band antenna battle array, form big basis circle battle array by the passive wide aperture orthogonal dipole antennas of five pairs of horizontal positioned (two are about 0.3 meter, the crosswise combined crosswise of dipole of diameter 16mm and form), the array diameter dwindles to some extent, and antenna impedance is 50 Ω.
Described A electricity is outwarded winding and is closed unit 3, is used for the vertically polarized wave signal.It is subjected to the control and the power supply of monitoring and direction-finding processing module 9.Working frequency range is 20～3000MHz, and inside has the SW-20/5-F electricity to outward winding to close and the SPL-1/5 power divider.It is equivalent to a high frequency electronic switch, and 20 signal input parts, 5 signal output parts, 1 control/power supply port, 1 self-correcting signal input part are arranged, its controlled 5 tunnel signalling channels and self-correcting signalling channel of getting through certain frequency range simultaneously.Self-correcting signal from receiver (or external) is divided into 5 the tunnel behind the SPL-1/5 power divider, be used for the system of 20～160MHz frequency range or 160～500MHz frequency range or 500～1350MHz or the work of 1350～3000MHz frequency range is carried out self-correcting.Its operation principle: when control voltage V1, V2 power up, during diode D1～D3 conducting, signal from antenna 1 just can pass to node A, when control voltage V2, V3 power up, during diode D4～D6 conducting, the self-correcting signal just can pass to node A, when control voltage V4, V5 power up, during diode D7～D9 conducting, the signal of node A just can be exported from main road; When control voltage V6, V7 power up, during diode D10～D12 conducting, the signal of node A just can be exported from auxiliary route.As shown in Figure 2.
The B electricity is outwarded winding and is closed unit 4, is used for the horizontal polarized wave signal.It is subjected to the control and the power supply of monitoring and direction-finding processing module 9.Working frequency range is 30～1300MHz, and inside has the SW-10/5-F electricity to outward winding to close and the SPL-1/5 power divider.It is equivalent to a high frequency electronic switch, and 10 signal input parts, 5 signal output parts, 1 control/power supply port, 1 self-correcting signal input part are arranged, its controlled 5 tunnel signalling channels and self-correcting signalling channel of getting through certain frequency range simultaneously.Self-correcting signal from receiver (or external) is divided into 5 the tunnel behind the SPL-1/5 power divider, be used for the system of 30～300MHz frequency range or the work of 300～1300MHz frequency range is carried out self-correcting.
Selector (10:5) the 5th, close outwarding winding from the A electricity unit, B electricity outward winding close the unit input two groups totally 10 road signals select, therefrom choose 1 group of totally 5 road signals output.It has 10 inputs, 5 outputs and 1 control/feeder ear.
RF three function amplifier modules 6, operating frequency is 20～3000MHz, has amplification, straight-through, three kinds of functions of decay, in use according to actual needs by software set.By 5 independently low noise amplifier form, respectively 5 road signals from selector 5 are handled.They respectively have 1 control/feeder ear, 1 input, 1 output.The operation principle of three function amplifiers: it is made up of A high frequency relay, B high frequency relay, amplifying circuit, attenuator circuit and power supply.The model of high frequency relay is RF303-12, and the amplifier tube model in the amplifier is ERA-51SM.+ 12V power supply is added to respectively on A high frequency relay and the B high frequency relay by software control.When the A high frequency relay powers up, and the B high frequency relay is not when powering up, and input signal obtains linear amplification behind amplifying circuit, again through the straight-through part output of B high frequency relay.Be " amplification ".When the A high frequency relay does not power up, and the B high frequency relay is when powering up, and input signal arrives the attenuator circuit of high frequency relay after the straight-through part of A high frequency relay, output after decaying.Be " decay ".When A high frequency relay and B high frequency relay did not power up, input signal was through the straight-through part output of A high frequency relay and B high frequency relay.Be " leading directly to ".So this amplifier has " lead directly to, amplify, decay " three functions.
Monitoring and direction-finding selector 7 carries out gating to the signal from DF antenna system and monitoring aerial system, output be used for 5 road signals of direction finding or 4 road signals that are used to monitor to five channel monitoring direction-finding receivers 8.
Five channel monitoring direction-finding receivers 8, the direction-finder antenna or the received on-air radio signal of telecommunication of monitoring aerial are carried out frequency conversion, sampling, demodulation, decoding and A/D conversion etc., output comprises the analog or digital intermediate-freuqncy signal of information such as signal frequency, amplitude, frequency deviation, percentage modulation bandwidth, level, delivers to computer system 10 (ADVANTECH IPC-610) again and handles.Select the digital five channel monitoring direction-finding receivers of J067 of Jiujiang City, Jiangxi Province 713 factories in the present embodiment for use, carry out the monitoring and the direction finding of space spectrum estimation ultra-resolution rate of five channels.It is made up of five plate card type receivers, adopts pci bus structure and modularized design, and an integrated circuit board is exactly a receive channel, integrated circuit board be inserted in the PCI slot 19 " in the standard PC case, fix with press strip.When system during in direction finding, five channel receivers are worked simultaneously, shared same local vibration source, and phase equalization is good, has guaranteed the high accuracy of space spectrum estimation ultra-resolution rate direction-finding system.
And when not direction finding of system, can automatically switch to monitoring by software again to measure, to carry out multichannel with the signal from monitoring aerial of opposing to handle respectively, the monitoring that adapts to different frequency domains, modulation domain, time domain is measured, and really accomplishes dual-use, makes full use of resource.
Monitoring and direction-finding processing module 9 (model is DFC050L) is system's each several part control drive unit and dc power supply unit.Processing module is accepted the control command of computer system by parallel port and computer system communication, implements the control to relevant unit.As: the A electricity outwarded winding close the unit, the B electricity is outwarded winding and is closed the control of unit, selector (10:5), RF three function amplifier modules, monitoring and direction-finding selector, five channel monitoring direction-finding receivers etc., and system is monitored and direction finding radio signal according to software program.
Computer system 10 is industrial control computer (ADVANTECHIPC-610), it has, and the speed of service is fast, capacity is big, reliable and stable, can expand, characteristics such as anti-seismic performance is good.It is as the carrier of application software, except executive program (comprise storage, print), also lot of data, audio frequency, video etc. are handled, it is by handling the mass data information that receives from bay, adopt advanced statistic algorithm---multiple signal classification (MUSIC) algorithm, thereby draw the orientation of signal.In the direction finding of space spectrum estimation ultra-resolution rate, measure the signal voltage that institute might bay receives, production measurement covariance matrix R, this matrix is used for differentiating the cochannel component of received signal.The process of MUSIC algorithm is to calculate covariance matrix R earlier, R is carried out feature decomposition obtain its characteristic value and characteristic vector.Can determine the quantity of signal source according to characteristic value, utilize the signal subspace formed by characteristic vector and the orthogonality relation of noise subspace, two sub spaces are carried out suitable processing, determine the arrival bearing of radio signal.Super-resolution direction-finding uses the interpolation orientation values to calculate a plurality of azimuths, and this value generates according to the bearing calibration vector that the signal subspace with measurement covariance matrix R production mates most.
Perpendicular polarization monitoring aerial 11 comprises two kinds of the high-end monitoring aerials of ANT-BC-104 low side monitoring aerial and ANT-BC-105, is vertical placement, passive bipyramid omnidirectional antenna non-directional in horizontal plane, one-tenth splayed lobe directions figure in vertical plane.ANT-BC-104 low side monitoring aerial working frequency range is: 20～700MHz, and scalable, about 1.8 meters of maximum gauge, about 1.8 meters of maximum height, the about 6Kg of total weight, impedance 50 Ω, the interface pattern is a N type socket; The high-end monitoring aerial working frequency range of ANT-BC-105 is: 500～3000MHz, and about 0.3 meter of diameter, 0.4 meter of height, total weight is less than 4Kg, impedance 50 Ω, the interface pattern is a N type socket.
Horizontal polarization monitoring aerial 12 is a kind of non-directional in vertical plane, active omnidirectional antennas of becoming splayed lobe directions figure in horizontal plane, and it is divided into low side (20MHz～700MHz) and high-end (500MHz～3000MHz) two kinds according to frequency range.Input impedance: 50 Ω, the interface pattern is a N type socket.
RF three function amplifier modules 13, operating frequency is 20～3000MHz, has amplification, straight-through, three kinds of functions of decay, in use according to actual needs by software set.By 4 independently low noise amplifier form, respectively to handling from 4 road signals of perpendicular polarization monitoring aerial and horizontal polarization monitoring aerial.They respectively have 1 control/feeder ear, 1 input, 1 output.The existing narration in its operation principle front is omited here.
Battery pack or civil power 14 comprise civil power 220VAC and batteries (8 joint 12V100AH).
UPS15 is a uninterrupted power supply, and model is that APC3000VA is online.
Described environmental monitoring and remote control unit 16, (accept control command by the remote switch control module to the system equipment power-on and power-off, computer resets, starting of air conditioner etc. are controlled), (AD that is used for on-the-spot 220VAC gathers data acquisition unit, fetch equipment power-on and power-off situation and voltage data etc.), (model is DS-6001HC to network video server, be used to transmit image scene), colour imagery shot (model is a Samsung 101), voltage sensor (model is DYH28-14A, is used for the 220V alternating current is converted into the alternating current of 5V), Temperature Humidity Sensor (model is JWSL-3W), smoke alarm (model is BT-168A), Infrared intrusion detector (model is BT-922R) etc. are partly formed.It links by NJ45 interface and hub 17, and hub joins with wire/wireless transmission network 18 again.Under control centre's software (DESCODF7.0) effect, can carry out straighforward operation to long-range fixed station, comprise switching on and shutting down, receive that control centre's instruction is monitored, monitored, recording, direction finding or the location that crosses, and will monitor monitoring direction finding result and pass back to control centre.In addition, operating state, equipment connection status, the ambient condition of distant station are monitored, and by transmission link with Monitoring Data such as environment, operating states with by camera the image of telemonitoring is delivered to control centre and monitor.To in time report to the police if any unusual (containing theft, fire alarm etc.).
Contrast Fig. 6, wherein 19 is lightning rods, 20 is five unit perpendicular polarization passive direction finding antenna arrays (1350MHz-3000MHz), 21 is five unit perpendicular polarization passive direction finding antenna arrays (500MHz-1350MHz), 22 is five unit horizontal polarization passive direction finding antenna array (300MHz-1300MHz), 23 is five unit perpendicular polarization passive direction finding antenna arrays (160MHz-500MHz), 24 is that (30MHz-300MHz), 25 is five unit perpendicular polarization passive direction finding antenna arrays (20MHz-160MHz) to five unit horizontal polarization passive direction finding antenna array.
Claims (8)
1. dual polarization 5-channel radio monitoring and super-resolution direction-finding fixation station system, the output that it is characterized in that perpendicular polarization passive direction finding antenna array is outwarded winding with the A electricity and is closed corresponding the joining of input of unit, corresponding the joining of first input end that the output of horizontal polarization passive direction finding antenna array and B electricity are outwarded winding the unit, pass; The A electricity output that closes the unit of outwarding winding selects for 5 corresponding joining of first input end with selector 10, the B electricity output that closes the unit of outwarding winding selects for 5 corresponding joining of second input with selector 10, selector 10 selects corresponding the joining of first input end of 5 output and RF three function amplifier modules A, corresponding the joining of first input end of the output of RF three function amplifier modules A and monitoring and direction-finding selector; Corresponding the joining of first input end of the output of monitoring and direction-finding selector and five channel monitoring direction-finding receivers; Corresponding the joining of first input end of first output of monitoring and direction-finding processing module and RF three function amplifier module B; Second output of monitoring and direction-finding processing module is outwarded winding with the B electricity and is closed corresponding the joining of second input of unit, the 3rd output of monitoring and direction-finding processing module selects for 5 corresponding joining of the 3rd input with selector 10, corresponding the joining of second input of the 4th output of monitoring and direction-finding processing module and RF three function amplifier modules A, corresponding the joining of second input of the 5th output of monitoring and direction-finding processing module and monitoring and direction-finding selector; Corresponding the joining of second input of the 6th output of monitoring and direction-finding processing module and five channel monitoring direction-finding receivers; Corresponding the joining of the first output/input of the I/O end of five channel monitoring direction-finding receivers and computer system, corresponding the joining of I/O end of the second output/input of computer system and monitoring and direction-finding processing module, corresponding the joining of second input of the output of perpendicular polarization monitoring aerial and RF three function amplifier module B, corresponding the joining of the 3rd input of the output of horizontal polarization monitoring aerial and RF three function amplifier module B, first output of RF three function amplifier module B and corresponding the joining of the 3rd input of monitoring and direction-finding selector, second output of RF three function amplifier module B and corresponding the joining of four-input terminal of monitoring and direction-finding selector, the power output end of battery pack or civil power joins with the input of UPS is corresponding, corresponding the joining of input of first output of UPS and monitoring and direction-finding processing module, corresponding the joining of input of second output of UPS and environmental monitoring and remote control unit, the output of environmental monitoring and remote control unit joins with the input of computer system is corresponding, environmental monitoring and remote control unit and hub, the network serial connection.
2. dual polarization 5-channel radio monitoring according to claim 1 and super-resolution direction-finding fixation station system is characterized in that described perpendicular polarization passive direction finding antenna array, divide four layers of arrangement along short transverse, respectively corresponding four frequency ranges; The working frequency range of orlop antenna array is 20～160MHz, forms big basic circular array, 3 meters of array diameters by five pairs long 1.8 meters, the passive wide aperture vertical dipole antenna of diameter 40mm; Up the second layer is the antenna array of 160～500MHz frequency range, forms big basic circular array by five pairs long 0.6 meter, the passive wide aperture vertical dipole antenna of diameter 16mm, and the array diameter dwindles to some extent; The 3rd layer is the antenna array of 500～1350MHz frequency range, forms big basic circular array by five pairs long 0.3 meter, the passive wide aperture vertical dipole antenna of diameter 16mm, and the array diameter further dwindles; The 4th layer is the antenna array of 1350～3000MHz frequency range, forms big basic circular array by five pairs long 0.2 meter, the passive wide aperture vertical dipole antenna of diameter 17mm, and the array diameter dwindles once more; Lightning rod is installed topmost, 5 meters of antenna total heights, impedance is 50 Ω, interface is a N type socket.
3. dual polarization 5-channel radio monitoring according to claim 1 and super-resolution direction-finding fixation station system, it is characterized in that the described A electricity unit, pass of outwarding winding, working frequency range is 20～3000MHz, inside has the SW-20/5-F electricity to outward winding to close and the SPL-1/5 power divider, be equivalent to a high frequency electronic switch, 20 signal input parts, 5 signal output parts, 1 control/power supply port, 1 self-correcting signal input part are arranged.
4. dual polarization 5-channel radio monitoring according to claim 1 and super-resolution direction-finding fixation station system, it is characterized in that the described B electricity unit, pass of outwarding winding, working frequency range is 30～1300MHz, inside has the SW-10/5-F electricity to outward winding to close and the SPL-1/5 power divider, be equivalent to a high frequency electronic switch, 10 signal input parts, 5 signal output parts, 1 control/power supply port, 1 self-correcting signal input part are arranged.
5. dual polarization 5-channel radio monitoring according to claim 1 and super-resolution direction-finding fixation station system, it is characterized in that described selector 10 select 5 be close outwarding winding from the A electricity unit, B electricity outward winding close the unit input two groups totally 10 road signals select, therefrom choose 1 group of totally 5 road signals output, it has 10 inputs, 5 outputs and 1 control/feeder ear.
6. dual polarization 5-channel radio monitoring according to claim 1 and super-resolution direction-finding fixation station system is characterized in that described two RF, three function amplifier modules, and operating frequency is 20～3000MHz.
7. dual polarization 5-channel radio monitoring according to claim 1 and super-resolution direction-finding fixation station system, it is characterized in that described perpendicular polarization monitoring aerial, comprise two kinds of the high-end monitoring aerials of ANT-BC-104 low side monitoring aerial and ANT-BC-105, be vertical placement, non-directional in horizontal plane, in vertical plane, become the passive bipyramid omnidirectional antenna of splayed lobe directions figure, ANT-BC-104 low side monitoring aerial working frequency range is: 20～700MHz, scalable, 1.8 meters of maximum gauges, about 1.8 meters of maximum height, impedance 50 Ω, the interface pattern is a N type socket; The high-end monitoring aerial working frequency range of ANT-BC-105 is: 500～3000MHz, and 0.3 meter of diameter, 0.4 meter of height, impedance 50 Ω, the interface pattern is a N type socket.
8. dual polarization 5-channel radio monitoring according to claim 1 and super-resolution direction-finding fixation station system, it is characterized in that described horizontal polarization monitoring aerial, it is a kind of active omnidirectional antenna non-directional in vertical plane, one-tenth splayed lobe directions figure in horizontal plane, it is divided into low side according to frequency range: two kinds of 20MHz～700MHz and high-end: 500MHz～3000MHz, input impedance: 50 Ω, the interface pattern is a N type socket.
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| CN102075266B (en) * | 2010-12-27 | 2014-03-26 | 南京新兴电子系统有限公司 | Nine-channel spatial spectrum estimation super-resolution monitoring direction-finding fixed station system |
| CN104090274A (en) * | 2014-07-18 | 2014-10-08 | 武汉大学 | Outer transmitter-based radar system based on multi-FM broadcasting and signal processing method |
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