CN100387086C - Multi-channel radio monitoring and correlation interference direction-finding mobile station system - Google Patents
Multi-channel radio monitoring and correlation interference direction-finding mobile station system Download PDFInfo
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Abstract
The present invention relates to a multi-information channel radio monitoring and correlation interference direction-finding mobile station system, which comprises a direction-finding antenna array of a vertical polarization active/passive interferometer, high end and lower end electric screwing switches, a power distributor, a first antenna selector, a three-function RF amplifier, a double-information channel direction-finding receiver, a digital intermediate frequency phase detector, a monitoring direction-finding processing unit, an industrial control computer, a lower end vertical polarization monitoring antenna, a high end vertical polarization monitoring antenna, a second antenna selector, a monitoring receiver, a battery pack or commercial power, a UPS, an inverter power supply, a headstock position indicator, a GPS, an electric compass, a printer and a line concentrator. The multi-information channel radio monitoring and correlation interference direction-finding mobile station system has the advantages that a pair of antenna elements simultaneously sample, and synchronous effect, rapidness and precision are ensured; the direction-finding antenna array of the active/passive interferometer is adopted, and the problem of mutually coupling between every two antenna array elements is well solved; the monitoring and direction-finding process can be simultaneously carried out, the precision, the sensitivity, the stability and the reliability of the system are high, and the speed of the system is rapid.
Description
Technical field
What the present invention relates to is multi-channel radio monitoring and correlation interference direction-finding mobile station system, belongs to the array signal digital processing direction finding technology field in the communication technology.
Background technology
What early stage monitoring and direction finding system adopted is the amplitude-comprised direction-finding system, and it is by comparing the signal amplitude size that each element antenna receives on the antenna array, coming the orientation of judgment signal.And this method is because to bear on every side the ability of abominable electromagnetic environment influence relatively poor, often occurs that the aspect judged is inaccurate, direction finding precision is not high, sensitivity is relatively poor, direction finding speed slow, is subject to phenomenon such as interference.Along with going deep into of radio spectrum management work, early stage monitoring equipment and monitoring technology can not adapt to the requirement of era development.For this reason, my company aims at world's advanced technology, has researched and developed multi-channel radio monitoring and correlation interferometer direction-finding mobile station system, takes the lead in having filled up domestic blank.
Summary of the invention
The objective of the invention is to defective, propose a kind of multi-channel radio monitoring and correlation interference direction-finding mobile station system, the radiocommunication signals of vertically polarized wave is monitored monitoring, direction finding location at early stage radio monitoring existence; To improve direction finding speed, raising monitoring and direction-finding precision and sensitivity, enhancing antijamming capability.
Technical solution of the present invention: its structure comprises perpendicular polarization active/passive interferometer direction finding antenna array, high, the low side electricity pass of outwarding winding, power divider, first antenna selector, three function RF amplifiers, the double-channel direction-finding receiver, the digital intermediate frequency phase discriminator, the monitoring and direction-finding processing unit, industrial control computer, low side perpendicular polarization monitoring aerial, high-end perpendicular polarization monitoring aerial, second antenna selector, monitoring receiver, battery pack or civil power, UPS, inverter, the headstock azimuth indicator, GPS, electronic compass, printer, hub.
Described monitoring receiver is used for radio monitoring, and the double-channel direction-finding receiver is used for direction-finding station, can carry out radio monitoring and direction finding simultaneously.
Advantage of the present invention: a pair of antenna element is sampled simultaneously, guarantees synchronous, quick, accurate.Carry out related operation by signal amplitude and phase information that antenna array is received, and the orientation of picked up signal, thereby improved direction finding precision and sensitivity, strengthened antijamming capability.Adopt active/passive interferometer direction finding antenna array, solved the mutual coupling problem between each bay well.Adopted have amplification, the amplifier of straight-through, three kinds of functions of decay, can automatically switch, enlarged the dynamic application scope of received signal, particularly when receiving strong signal, be not easy to produce obstruction because of signal is saturated.And monitoring and direction finding can carry out simultaneously, and direction finding speeds up.The system accuracy height, sensitivity is good, speed is fast, system stability, reliability height.
Description of drawings
Accompanying drawing 1 is an embodiment of the invention electricity theory diagram.
Accompanying drawing 3j three function RF amplifiers electricity theory diagram.
Accompanying drawing 4 is power dividers with 1: 2 distributor structured flowchart that is example.
Accompanying drawing 5 is that high and low end electricity is outwarded winding and closed electric principle schematic (outward winding with one group of electricity to close be example).
Accompanying drawing 6 is software control system flow charts of the present invention.
Among the figure 1 is perpendicular polarization active/passive interferometer direction finding antenna array, the 2nd, high, the low side electricity pass of outwarding winding, the 3rd, power divider, 4 is first antenna selectors, 5 is three function RF amplifiers, the 6th, the double-channel direction-finding receiver, the 7th, the digital intermediate frequency phase discriminator, the 8th, the monitoring and direction-finding processing unit, the 9th, industrial control computer, the 10th, low side perpendicular polarization monitoring aerial, 11 high-end perpendicular polarization monitoring aerials, 12 is second antenna selectors, the 13rd, monitoring receiver, the 14th, hub, the 15th, battery pack or civil power, the 16th, the headstock azimuth indicator, the 17th, printer, the 18th, electronic compass, the 19th, GPS, 20 is five unit perpendicular polarization passive direction finding antenna array: 1600MHz-3000MHz, the 21st, radome, 22 is the active direction estimation antenna array of five unit perpendicular polarizations: 20MHz-800MHz, 23 is five unit perpendicular polarization passive direction finding antenna array: 800MHz-1600MHz.R
1, R
2, R
3Be resistance, C
1, C
2, C
3Be electric capacity, D
1-12Be that diode, V1-V7 are the voltage of monitoring and direction-finding controller output; The flow chart of software control system comprises monitoring and direction-finding service routine (dfNetServer) direction finding flow process and monitoring and direction-finding service routine (dfNetServer) operational process.
Embodiment
Annexation between them: perpendicular polarization active/passive interferometer direction finding antenna array 1, high and low end electricity are outwarded winding and are closed 2, first antenna selector 4, three function RF amplifiers 5, double-channel direction-finding receiver 6 serial connections; , the outward winding input of closing 2 output/go into end and power divider 3/go out to hold corresponding joining of high and low end electricity; First output of double-channel direction-finding receiver 6 and the input of digital intermediate frequency phase discriminator 7 join, and second output of double-channel direction-finding receiver 6 and the first input end of power divider join; The first input end of the output of digital intermediate frequency phase discriminator 7 and industrial control computer 9 joins; First, second, third, fourth of industrial control computer 9 exports/go into end respectively with the input of double-channel direction-finding receiver 6, monitoring and direction-finding processing unit 8, monitoring receiver 13, hub 14/go out to hold corresponding joining; The first, second, third, fourth, the 5th, the 6th output of monitoring and direction-finding processing unit 8 respectively with second input of power divider 3, second input of first antenna selector 4, second input of three function RF amplifiers 5, second input of double-channel direction-finding receiver 6, the 3rd input of second antenna selector 12, corresponding the joining of second input of monitoring receiver 13; The output of low side perpendicular polarization monitoring aerial 10, high-end perpendicular polarization monitoring aerial 11 respectively with corresponding joining of first, second input of second antenna selector 12; The first input end of the output of second antenna selector 12 and monitoring receiver 13 joins; Battery pack or civil power 15 are connected in series with UPS, second input of UPS first output and industrial control computer 9 joins, first, second output of industrial control computer 9 joins with headstock azimuth indicator 16, printer 17 respectively, industrial control computer 9 the 3rd, the output of four-input terminal and electronic compass 18, GPS19 joins.
Described perpendicular polarization active/passive interferometer direction finding antenna array 1 is divided into and two-layerly arranges along short transverse, is divided into three service bands.The AB wave band has been arranged by lower floor, and ((800MHz～1600MHz), circular array is formed on the summit that vertically is placed on a regular pentagon by five dipoles respectively for 20MHz～800MHz) and C-band.The AB wave band is active (each antenna has a balance amplifier) direction-finder antenna array, and its maximum gauge is 1.0 meters, and the unit dipole length is 0.27 meter; C-band is the passive direction finding aerial array, and its maximum gauge is 0.38 meter, and the unit dipole length is 0.185 meter.The upper strata be the D wave band (1600MHz～3000MHz), also be the passive direction finding aerial array, its maximum gauge is 0.287 meter, the unit dipole length dwindles to some extent.Antenna impedance is 50 Ω.All antenna is all covered by radome, and the height of radome is 0.39 meter.
High and low end electricity is outwarded winding, and to close 2 be to be divided into the low side electricity according to frequency range to outward winding and close unit and the high-end electricity unit, pass of outwarding winding.It is subjected to the control and the power supply of monitoring and direction-finding processor 8.
Its low and middle-end electricity operating frequency of closing unit (model is ANS 017L) of outwarding winding is 20MHz～1600MHz, it is equivalent to a high frequency electronic switch, it has 10 signal input parts, 2 signal output parts, 1 control/power supply port, 1 self-correcting signal input part and 1 self-correcting signal output part, its controlled certain two paths of signals passage (being divided into main road, bypass) and self-correcting signalling channel of getting through simultaneously.The high-end electricity operating frequency of closing the unit of outwarding winding is 1600MHz～3000MHz, model is ANS 018L, it also is a high frequency electronic switch, it has 5 signal input parts, 2 signal output parts, 1 control/power supply port, 1 self-correcting signal input part, its controlled certain two paths of signals passage (being divided into main road, bypass) and self-correcting signalling channel of getting through simultaneously.Its operation principle: when control voltage V1, V2 power up diode D
1-3During conducting, just can pass to node A, when control voltage V2, V3 power up diode D from the signal that can move perpendicular polarization correlation interferometer direction-finding antenna array 1
4-6During conducting, the self-correcting signal just can pass to node A, when control voltage V4, V5 power up diode D
7-9During conducting, the signal of node A just can be exported from main road; When control voltage V6, V7 power up diode D
10-12During conducting, the signal of node A just can be exported (as shown in Figure 5) from auxiliary route;
First antenna selector 4 is 4: 2 selectors, is used for outwarding winding from high-end electricity closing and the outward winding major-minor signal of 2 couple that closes output of low side electricity is chosen 1 pair of major-minor signal and exported.It has 4 inputs, 2 outputs and 1 control/feeder ear.
Three function RF amplifiers 5 are made up of two amplifiers, and operating frequency is 20MHz～3000MHz, have amplification, straight-through, three kinds of functions of decay, in use according to actual needs by software set.Two amplifiers are handled the main and side road signal from antenna selector 1 simultaneously.They respectively have 1 control/feeder ear, 1 input, 1 output.
This three function amplifier is made up of first high frequency relay, second high frequency relay, amplifying circuit, attenuator circuit and power supply, the amplifier tube (model ERA-51SM) in high frequency relay (model RF303-12), the amplifier.+ 12V power supply is added to respectively on first high frequency relay and second high frequency relay by software control.When first high frequency relay powers up, and second high frequency relay is not when powering up, and input signal obtains linear amplification behind amplifying circuit, again the second straight-through part output through high frequency relay.Be " amplification ".When first high frequency relay does not power up, and second high frequency relay is when powering up, and input signal arrives the attenuator circuit of second high frequency relay after the straight-through part of first high frequency relay, output after decaying.Be " decay ".When first high frequency relay and second high frequency relay did not power up, input signal was through the straight-through part output of first high frequency relay and second high frequency relay.Be " leading directly to ".So this amplifier has " lead directly to, amplify, decay " three functions.
Double-channel direction-finding receiver 6 is that the major-minor signal of importing of two-way is carried out frequency conversion, demodulation, decoding, and output comprises the intermediate-freuqncy signal of signal phase and amplitude characteristic, arrives digital intermediate frequency phase discriminator 7 again and handles.Select the RR509A double-channel direction-finding receiver of Japanese Anritsu company in the present embodiment for use, its local vibration source of two channel sharings, phase equalization is good, thereby has guaranteed the high accuracy of correlation interferometer direction-finding system, and system sensitivity is very high, reliable and stable.
The major function of digital intermediate frequency phase discriminator 7 is that detection goes out the phase information in the signal phasor voltage, it (has two kinds of model: PSCQ-2-0.455 and PSCQ-2-21.4 by analog multiplier (model MC1596L), phase shifter, be respectively applied for 455KHz intermediate frequency and 21.4MHz intermediate-freuqncy signal handled) and amplifying circuit compositions such as (amplifier tube model wherein are C157C), intermediate-freuqncy signal from receiver is handled the phase information of output signal.Convert digital signal to by modulus (A/D) conversion again and offer computer.
Monitoring and direction-finding processor 8 (model is DFC 050L) is system's each several part control drive unit and dc power supply unit.Processor is by serial port and industrial control computer 9 (ADVANTECH IPC-610) communication, accept the control command of computer, control to power divider and high and low end electricity are outwarded winding pass, first antenna selector, three function RF amplifiers, double-channel direction-finding receiver, second antenna selector, monitoring receiver makes system monitor and direction finding radio signal according to software program.
Industrial control computer 9 (ADVANTECH IPC-610) is the carrier as application software, except executive program (comprise storage, print), also lot of data, audio frequency, video etc. are handled, it is by carrying out complicated statistic algorithm (as auto-correlation algorithm, phase detection algorithm, HILBERT conversion, fft algorithm) to the information data of a large amount of collections, thereby draws the orientation of signal.It has that the speed of service is fast, capacity is big, reliable and stable, can expand, characteristics such as anti-seismic performance is good.
Low side perpendicular polarization monitoring aerial 10, operating frequency are 20MHz～300MHz, are active monopole monitoring aerial.Input impedance: 50 Ω, the interface pattern is a N type socket.
High-end perpendicular polarization monitoring aerial 11, operating frequency are 300MHz～3000MHz, for a kind of in horizontal plane direction-free active bipyramid omnidirectional antenna.Be of a size of: base diameter 248mm; Height 318mm.Input impedance: 50 Ω, the interface pattern is a N type socket.
The monitor signal of 13 pairs of inputs of monitoring receiver carries out frequency conversion, demodulation, decoding, output comprises information such as signal frequency, amplitude, frequency deviation, percentage modulation bandwidth, level, spectral image, it can monitor measurement to the signal of different frequency domains, modulation domain, time domain by RS232 interface and computer communication.Select the RR511A single channel monitoring receiver of Japanese Anritsu company in the present embodiment for use.
Battery pack or civil power 15 comprise civil power 220VAC and batteries (4 joint 12V100AH).
UPS is a uninterrupted power supply, and model is that APC 1000VA is online.
The model of inverter is S1500-212.Be to carry car engine 12VDC electric energy more than needed to be converted into the 220VAC electricity, behind UPS, power to system.
GPS19 is global positioning system (Global Positioning System), and it is made up of Aerospace Satellite, ground monitoring and subscriber equipment three parts, is widely used in all kinds of navigation positioning systems.The GPS receiver is an equipment that receives gps satellite signal and calculate the present position coordinate in real time.GPS is used for the mobile monitoring station, and its purposes is to determine the geographical position of locomotive (warp, latitude) at any time, and data are offered computer.On electronic chart, show current location in real time, simultaneously for showing that direction-finding bearing and cross bearing provide data.
Native system adopts GPS 12XL (jaguar) the GPS receiver of U.S. GARMIN company.GPS 12XL adopts parallel 12 passages to receive system, and is highly sensitive.
Claims (4)
1. multi-channel radio monitoring and correlation interference direction-finding mobile station system is characterized in that perpendicular polarization active/passive interferometer direction finding antenna array, high and low end electricity outward winding pass, first antenna selector, three function RF amplifiers, double-channel direction-finding receiver serial connection; The outward winding input of output/input of closing and power divider/go out to hold corresponding joining of high and low end electricity; First output of double-channel direction-finding receiver and the input of digital intermediate frequency phase discriminator join, and second output of double-channel direction-finding receiver and the first input end of power divider join; The output of digital intermediate frequency phase discriminator and the first input end of industrial control computer join; First, second, third, fourth output/input of industrial control computer respectively with corresponding joining of I/O end of double-channel direction-finding receiver, monitoring and direction-finding processing unit, monitoring receiver, hub; The first, second, third, fourth, the 5th, the 6th output of monitoring and direction-finding processing unit respectively with second input of power divider, second input of first antenna selector, second input of three function RF amplifiers, second input of double-channel direction-finding receiver, the 3rd input of second antenna selector, corresponding the joining of second input of monitoring receiver; The output of low side perpendicular polarization monitoring aerial, high-end perpendicular polarization monitoring aerial respectively with corresponding joining of first, second input of second antenna selector; The output of second antenna selector and the first input end of monitoring receiver join; Battery pack or civil power are connected in series with UPS, second input of UPS first output and industrial control computer joins, first, second output of industrial control computer joins with the input of headstock azimuth indicator, printer respectively, industrial control computer the 3rd, the output of four-input terminal and electronic compass, GPS joins;
Described low side electricity is outwarded winding and is closed controlled certain two paths of signals passage of getting through simultaneously, is divided into main road, bypass and self-correcting signalling channel; High-end electricity is outwarded winding and is closed controlled certain two paths of signals passage of getting through simultaneously, is divided into main road, bypass and self-correcting signalling channel;
Described power divider comprises ALL 050L 1: 2+1: 5 power dividers and ALL 051L1: 5 power divider two parts, ALL 050L power divider is used for the frequency low side, be that the self-correcting signal that double-channel side direction receiver produces is divided into two-way earlier, wherein one the tunnel is divided into 5 the tunnel again, introduce the low side electricity pass of outwarding winding, be used for the system of 20MHz～800MHz wave band or 800MHz～1600MHz wave band work is carried out self-correcting; Another road self-correcting signal is sent to high-end electricity and revolves in the switch enclosure, again behind 1: 5 power divider, delivers to high-frequency electrical and outwards winding and close the self-correcting that is used for the high band system;
First antenna selector is 4: 2 selector, is used for outwarding winding from high-end electricity closing and the outward winding major-minor signal of 2 couple that closes output of low side electricity is chosen 1 pair of major-minor signal and exported, and it has 4 inputs, 2 outputs and 1 control/feeder ear;
Three function RF amplifiers are made up of two amplifiers, and operating frequency is 20MHz～3000MHz, and two amplifiers are handled the main and side road signal from antenna selector simultaneously, and they respectively have 1 control/feeder ear, 1 input, 1 output;
The double-channel direction-finding receiver is that the major-minor signal of importing of two-way is carried out frequency conversion, demodulation, decoding, and output comprises the intermediate-freuqncy signal of signal phase and amplitude characteristic, arrives the digital intermediate frequency phase discriminator again and handles;
The digital intermediate frequency phase discriminator is handled the intermediate-freuqncy signal from receiver, and the phase information of output signal converts digital signal to by analog to digital conversion again and offers computer;
The monitoring and direction-finding processor is by serial port and industrial control computer communication, accept the control command of computer, control to power divider and high and low end electricity are outwarded winding pass, first antenna selector, three function RF amplifiers, double-channel direction-finding receiver, second antenna selector and monitoring receiver makes system monitor and direction finding radio signal according to software program;
Industrial control computer is by carrying out complicated statistic algorithm to the information data of gathering, thereby draws the orientation of signal;
Low side perpendicular polarization monitoring aerial, operating frequency are 20MHz～300MHz, are active monopole
Monitoring aerial, input impedance: 50 Ω, the interface pattern is a N type socket;
High-end perpendicular polarization monitoring aerial, operating frequency are 300MHz～3000MHz, for a kind of in horizontal plane direction-free active bipyramid omnidirectional antenna, input impedance: 50 Ω, the interface pattern is a N type socket;
Second antenna selector, it is 2: 1 selector, it is therefrom chosen 1 road monitor signal and sends into monitoring receiver selecting from the signal of low side perpendicular polarization monitoring aerial and high-end perpendicular polarization monitoring aerial, and it has 2 signal input parts, 1 signal output part, 1 control end;
Monitoring receiver carries out frequency conversion, demodulation, decoding to the monitor signal of input, output comprises signal frequency, amplitude, frequency deviation, percentage modulation bandwidth, level and spectral image information, it can monitor measurement to the signal of different frequency domains, modulation domain, time domain by RS232 interface and computer communication.
2. multi-channel radio monitoring according to claim 1 and correlation interference direction-finding mobile station system, it is characterized in that described perpendicular polarization active/passive interferometer direction finding antenna array, be divided into and two-layerly arrange along short transverse, be divided into three service bands, the AB wave band has been arranged by lower floor, it is 20MHz～800MHz, C-band, it is 800MHz～1600MHz, circular array is formed on the summit that vertically is placed on a regular pentagon by five dipoles respectively, the AB wave band is active direction-finder antenna array, and its maximum gauge is 1.0 meters, and the unit dipole length is 0.27 meter; C-band is the passive direction finding aerial array, its maximum gauge is 0.38 meter, the unit dipole length is 0.185 meter, the upper strata is the D wave band, and it is 1600MHz～3000MHz, also is the passive direction finding aerial array, its maximum gauge is 0.287 meter, the unit dipole length dwindles to some extent, and antenna impedance is 50 Ω, and the height of radome is 0.39 meter; Each antenna has a balance amplifier.
3. multi-channel radio monitoring according to claim 1 and correlation interference direction-finding mobile station system is characterized in that high and low end electricity is outwarded winding to close and are divided into the low side electricity and outward winding and close and the high-end electricity pass of outwarding winding; Its low and middle-end electricity operating frequency of closing the unit of outwarding winding is 20MHz～1600MHz, it is equivalent to a high frequency electronic switch, and it has 10 signal input parts, 2 signal output parts, 1 control/power supply port, 1 self-correcting signal input part and 1 self-correcting signal output part; The high-end electricity operating frequency of closing the unit of outwarding winding is 1600MHz～3000MHz, and it has 5 signal input parts, 2 signal output parts, 1 control/power supply port, 1 self-correcting signal input part.
4. multi-channel radio monitoring according to claim 1 and correlation interference direction-finding mobile station system is characterized in that the headstock azimuth indicator links to each other with PC by serial ports, show the aspect with respect to headstock on LCDs in real time.
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| CN201804103U (en) * | 2010-10-12 | 2011-04-20 | 成都点阵科技有限公司 | Portable and integrated direction-finding mainframe with radio monitoring |
| CN102175988B (en) * | 2011-01-21 | 2012-10-10 | 电子科技大学 | Direction finding method of correlative interferometer based on dimension division |
| CN107132533B (en) * | 2017-06-22 | 2023-10-20 | 河海大学 | Phased road-finding geological detection robot expanding device and detection method thereof |
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Assignee: Nanjing Developing Electronic System Co., Ltd. Assignor: Yu Wenyun Contract record no.: 2011320000166 Denomination of invention: Multi-channel radio monitoring and correlation interference direction-finding mobile station system Granted publication date: 20080507 License type: Exclusive License Open date: 20061213 Record date: 20110307 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080507 Termination date: 20130710 |