CN200966055Y - Double channel radio surveillance and correlation interference direction finding mobile station equipment - Google Patents
Double channel radio surveillance and correlation interference direction finding mobile station equipment Download PDFInfo
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- CN200966055Y CN200966055Y CN 200620074764 CN200620074764U CN200966055Y CN 200966055 Y CN200966055 Y CN 200966055Y CN 200620074764 CN200620074764 CN 200620074764 CN 200620074764 U CN200620074764 U CN 200620074764U CN 200966055 Y CN200966055 Y CN 200966055Y
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Abstract
The utility model relates to a double-channel radio monitoring and correlation interference direction-finding mobile station equipment, which comprises a vertical polarization active/passive interferometer direction estimation antenna array, a high side electro-cyclone switch, a low side electro-cyclone switch, a power distributor, a first antenna selector, a tri-functional RF amplifier, a double-channel monitoring direction-finding receiver, a digital IF phase discriminator, a monitoring direction-finding processing unit, an industrial control computer, a low side vertical polarization monitoring antenna, a high side vertical polarization monitoring antenna, a second antenna selector, a monitoring/direction-finding selector, a battery pack or commercial power, a UPS, an inverter power supply, a head stock azimuth indicator, a GPS, an electronic compass, a printer and a hub. The advantages are that the problem of mutual coupling between antenna elements is solved and a pair of antenna elements simultaneously sample synchronously, quickly and accurately; the amplifier with functions of amplification, direct connection and attenuation automatically switches and expands the dynamic application range of the received signals. The monitoring and the goniometry can be performed with time sharing. The precision is high, the sensitivity is good, the performance price ratio is high and the anti-interference ability is strong.
Description
Technical field
The utility model relates to dual-channel radio monitoring and correlation interference direction-finding mobile station equipment, belong to the array signal digital processing direction finding technology field in the communication technology.
Background technology
In radio spectrum management, the monitoring amount is often big than direction finding workload, special-purpose direction-finding receiver was left unused in the most of the time, according to the real work needs, but not only can monitor but also the double-channel receiver of direction finding by apolegamy, cooperate double-channel correlation interferometer direction-finding system, can be under the situation that does not reduce direction finding precision and speed, improve systemic price ratio, meet consumers' demand.
The utility model content
The purpose of this utility model is at the characteristics that quilt leaves unused in the most of the time of direction-finding receiver in the practical work, propose with a kind of double-channel monitoring and direction-finding receiver, cooperate double-channel correlation interferometer direction-finding system, system still can carry out the double-channel correlation interferometer direction-finding when the needs direction finding, when not needing direction finding, then transfer radio monitoring to.Further optimization system improves the cost performance of system, thereby under the situation that does not reduce direction finding precision and speed, realizes the radiocommunication signals of vertically polarized wave is monitored monitoring, direction finding location.
Technical solution of the present utility model: 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, double-channel monitoring and 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/direction finding selector, battery pack or civil power, UPS, inverter, the headstock azimuth indicator, GPS, electronic compass, printer, hub.
Described monitoring and direction-finding receiver is used for radio monitoring and double-channel correlation interferometer direction-finding, but radio monitoring and direction finding are carried out in timesharing.
Advantage of the present utility model: a pair of antenna element is sampled simultaneously, guarantees synchronous, quick, accurate.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.Adopt double-channel monitoring and direction-finding receiver, monitoring and direction finding can be carried out in timesharing, when not needing direction finding, can transfer radio monitoring to.The system accuracy height, sensitivity is good, cost performance is high, antijamming capability is strong.
Description of drawings
Accompanying drawing 1 is the utility model embodiment electricity theory diagram.
Accompanying drawing 3 is power dividers with 1: 2 distributor structured flowchart that is example.
Accompanying drawing 4 is three function RF amplifiers electricity theory diagrams
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 the utility model software control system flow charts.
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, double-channel monitoring and 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, the 11st, high-end perpendicular polarization monitoring aerial, 12 is second antenna selectors, the 13rd, monitoring/direction finding selector, 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 arrays: 1600MHz-3000MHz, the 21st, radome, 22 are that 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: first output of perpendicular polarization active/passive interferometer direction finding antenna array 1 is with high, the low side electricity is outwarded winding and is closed 2 first input end and join, high, the outward winding input of closing 2 output/go into end and power divider 3/go out to hold corresponding joining of low side electricity, high, the low side electricity is outwarded winding and is closed 2 first output and the first input end of first antenna selector 4 joins, the first input end of first output of first antenna selector 4 and three function RF amplifiers 5 joins, the first input end of the output of three function RF amplifiers 5 and double-channel monitoring and direction-finding receiver 6 joins, first of double-channel direction-finding receiver 6, first of second output and digital intermediate frequency phase discriminator 7, the second input correspondence is joined; The 3rd output of double-channel direction-finding receiver 6 and the first input end of power divider 3 join, the first input end of the output of digital intermediate frequency phase discriminator 7 and industrial control computer 9 joins, first, second, third of industrial control computer 9 exports/go into end respectively with the input of double-channel monitoring and direction-finding receiver 6, monitoring and direction-finding processing unit 8, hub 14/go out to hold corresponding joining; Monitoring and direction-finding processing unit 8 first, second, third, fourth, the 5th, the 6th output 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 monitoring and direction-finding receiver 6, the 3rd input of second antenna selector 12, corresponding the joining of second input of monitoring/direction finding selector 13; Corresponding the joining of the 3rd input of second output of first antenna selector 4 and monitoring/direction finding selector 13; The 3rd input of the output of monitoring/direction finding selector 13 and double-channel monitoring and direction-finding receiver 6 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.Export one tunnel main signal to three function RF amplifiers 5, the auxilliary signal in another road is delivered to monitoring/direction finding selector 13.
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 monitoring and direction-finding receiver 6 has monitoring and direction finding dual-use function.When the needs direction finding, two channels are worked simultaneously, to carrying out frequency conversion, demodulation, decoding from the main path signal of three function amplifiers 5 with from the bypass signal of monitoring/direction finding selector, output comprises the two-way intermediate-freuqncy signal of signal phase and amplitude characteristic, arrive 7 processing of digital intermediate frequency phase discriminator again; When not needing direction finding, one of them channel promptly transfers monitoring to and uses, monitoring aerial signal from monitoring/direction finding selector is handled (can monitor measurement to the signal of different frequency domains, modulation domain, time domain), output comprises information such as signal frequency, amplitude, frequency deviation, percentage modulation bandwidth, level, spectral image, and it is by RS232 interface and computer communication.Select the RR510A double-channel monitoring and 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, to high and low end electricity outward winding close 2 and power divider 3, first selector 4, three function RF amplifiers 5, monitoring and direction-finding receiver 6, second antenna selector 12, monitoring/direction finding selector 13 etc. control, system is monitored 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.
Monitoring/direction finding selector 13, also be a kind of 2: 1 selectors, it is therefrom chosen 1 road signal (monitoring or direction-finding signal) and sends in the double-channel monitoring and direction-finding receiver selecting from the direction finding bypass signal of first antenna selector with from the monitoring aerial signal of second antenna selector.It has 2 signal input parts, 1 signal output part, 1 control end.
Battery pack or civil power 14 comprise civil power 220VAC and batteries (4 joint 12V100AH).
UPS 15 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.
The headstock azimuth indicator is the aspect that shows in real time on LCDs with respect to headstock, so that the driver in time grasps the direction that signal occurs, facilitates for searching signal fast.It links to each other with PC by serial ports.
GPS 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.
Electronic compass is for the mobile monitoring station provides real-time reference azimuth data, and gives computer transfer of data.Native system adopts the C100 type electronic compass of U.S. KVH company.
Printer is the BJC-85 of Japanese CANON company.
Claims (7)
1, dual-channel radio monitoring and correlation interference direction-finding mobile station equipment, first output that it is characterized in that perpendicular polarization active/passive interferometer direction finding antenna array is with high, the low side electricity first input end that closes of outwarding winding joins, high, the outward winding input of the output of closing/go into end and power divider/go out to hold corresponding joining of low side electricity, high, outward winding first output that closes and the first input end of first antenna selector of low side electricity joins, the first input end of first output of first antenna selector and three function RF amplifiers joins, the first input end of the output of three function RF amplifiers and double-channel monitoring and direction-finding receiver joins, first of double-channel direction-finding receiver, first of second output and digital intermediate frequency phase discriminator, the second input correspondence is joined; The 3rd 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 of industrial control computer exports/go into end respectively with the input of double-channel monitoring and direction-finding receiver, monitoring and direction-finding processing unit, hub/go out to hold corresponding joining; Monitoring and direction-finding processing unit first, second, third, fourth, the 5th, the 6th output 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 monitoring and direction-finding receiver, the 3rd input of second antenna selector, corresponding the joining of second input of monitoring/direction finding selector; Corresponding the joining of the 3rd input of second output of first antenna selector and monitoring/direction finding selector; The 3rd input of the output of monitoring/direction finding selector and double-channel monitoring and direction-finding receiver joins; 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 headstock azimuth indicator, printer respectively, industrial control computer the 3rd, the output of four-input terminal and electronic compass, GPS joins.
2, dual-channel radio monitoring according to claim 1 and correlation interference direction-finding mobile station equipment, 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, AB wave band 20MHz～800MHz and C-band 800MHz～1600MHz have arranged in lower floor, 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, each antenna has a balance amplifier, the direction-finder antenna array, 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, and the upper strata is the D wave band, 1600MHz～3000MHz, it also is the passive direction finding aerial array, its maximum gauge is 0.287 meter, and the unit dipole length dwindles to some extent, and antenna impedance is 50 Ω, all antenna is all covered by radome, and the height of radome is 0.39 meter.
3, dual-channel radio monitoring according to claim 1 and correlation interference direction-finding mobile station equipment, it is characterized in that high and low end electricity is outwarded winding to close is divided into the low side electricity and outwards winding and close unit and the high-end electricity unit, pass of outwarding winding, its low and middle-end electricity operating frequency of closing the unit of outwarding winding is 20MHz～1600MHz, 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, dual-channel radio monitoring according to claim 1 and correlation interference direction-finding mobile station equipment is characterized in that power divider comprises ALL 050L 1: 2+1: 5 power dividers and ALL 051L1: 5 power divider two parts.
5, dual-channel radio monitoring according to claim 1 and correlation interference direction-finding mobile station equipment is characterized in that first antenna selector is 4: 2 selector, and it has 4 inputs, 2 outputs and 1 control/feeder ear.
6, dual-channel radio monitoring according to claim 1 and correlation interference direction-finding mobile station equipment is characterized in that three function RF amplifier operating frequencies are 20MHz～3000MHz, and it has 1 control/feeder ear, 1 input, 1 output.
7, dual-channel radio monitoring according to claim 1 and correlation interference direction-finding mobile station equipment, it is characterized in that second antenna selector and monitoring/direction finding selector respectively is a kind of 2: 1 selectors, it has 2 signal input parts, 1 signal output part, 1 control end.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200620074764 CN200966055Y (en) | 2006-07-10 | 2006-07-10 | Double channel radio surveillance and correlation interference direction finding mobile station equipment |
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| CN 200620074764 CN200966055Y (en) | 2006-07-10 | 2006-07-10 | Double channel radio surveillance and correlation interference direction finding mobile station equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110797660A (en) * | 2019-11-14 | 2020-02-14 | 武汉虹信通信技术有限责任公司 | Direction finding antenna and direction finding method |
| US11165492B2 (en) * | 2020-01-24 | 2021-11-02 | Southwest Research Institute | Techniques for spatializing audio received in RF transmissions and a system and method implementing same |
-
2006
- 2006-07-10 CN CN 200620074764 patent/CN200966055Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110797660A (en) * | 2019-11-14 | 2020-02-14 | 武汉虹信通信技术有限责任公司 | Direction finding antenna and direction finding method |
| US11165492B2 (en) * | 2020-01-24 | 2021-11-02 | Southwest Research Institute | Techniques for spatializing audio received in RF transmissions and a system and method implementing same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Nanjing Developing Electronic System Co., Ltd. Assignor: Yu Wenyun Contract record no.: 2011320000166 Denomination of utility model: Double channel radio surveillance and correlation interference direction finding mobile station equipment Granted publication date: 20071024 License type: Exclusive License Record date: 20110307 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071024 Termination date: 20110710 |