CN200962590Y - Monitoring and direction measurement device of ultra-broad frequency band radio communication and radar signal - Google Patents
Monitoring and direction measurement device of ultra-broad frequency band radio communication and radar signal Download PDFInfo
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- CN200962590Y CN200962590Y CN 200620074768 CN200620074768U CN200962590Y CN 200962590 Y CN200962590 Y CN 200962590Y CN 200620074768 CN200620074768 CN 200620074768 CN 200620074768 U CN200620074768 U CN 200620074768U CN 200962590 Y CN200962590 Y CN 200962590Y
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Abstract
This utility model is a device for special broad band radio communication and radar signal monitoring and direction-finding, comprising an interferometer direction-finding aerial array, a low and a high side electro-cyclone switch, an aerial selector, a tri-functional Radio Frequency amplifier, a radio frequency preprocessor, a single-channel monitoring and direction-finding receiver, a monitoring and direction-finding controller, a personal computer, a monitoring aerial, a frequency type spectrum analyzer. This utility model has the advantages that the broad band monitoring aerial assembling adopted can monitor the 1MHz-40GHz special broad band radio communication for military use and radar signals with visual representation, a correlation interference direction-finding of the 20MHz-3000MHz radio signal can be conducted, and a pair of antenna elements takes sample simultaneously so as to guarantee synchronization, speediness and precision. The nine elements small-sized and low profile active direction-finding aerial array solves the problems of mutual coupling and phase fuzziness between each aerial array unit. This utility model can change and store the phase and amplitude of radio frequency signals, and the functions of amplification, direct connection, and attenuation can realize time-sharing monitor and direction-finding with high cost performance and wide scope of application.
Description
Technical field
The utility model relates to superwide frequency band (1MHz-40GHz) wireless telecommunications and radar signal monitoring direction-finding device, belong to the array signal digital processing direction finding technology field in the communication technology.
Background technology
Ultra-short wave radio monitoring and direction-finding technology is ripe day by day, but the radio monitoring of shortwave and microwave frequency band also is a blank, how to utilize mature technology to be extended to shortwave and microwave frequency band, thereby realize military wireless telecommunications and radar signal in the 1MHz-40GHz superwide frequency band are monitored, become the new problem that one in current wireless pyroelectric monitor field presses for solution.
Summary of the invention
The purpose of this utility model is to propose military wireless telecommunications of superwide frequency band (1MHz-40GHz) and radar signal monitoring and direction finding system.Propose to adopt a kind of single channel monitoring and direction-finding receiver, technology that cooperation radio frequency preprocessor, the active direction estimation antenna array of small size low profile, monitoring aerial, software radio and DSP technology, small-signal extract and white noise disappears mutually, realization is monitored the radio signal in the superwide frequency band (1MHz-40GHz) and the radio signal in the 20MHz-3000MHz frequency range is carried out direction finding.
Technical solution of the present utility model: its structure comprises the interferometer direction finding antenna array, high and low end electricity outward winding pass, first antenna selector, three function RF amplifiers, radio frequency preprocessor, single channel monitoring and direction-finding receiver, monitoring and direction-finding controller, PC, monitoring aerial, second antenna selector, spectrum analyzer, storage battery, UPS.Annexation between them: the output of interferometer direction finding antenna array with, the high and low end electricity first input end that closes of outwarding winding joins, outward winding first, second of first, second, third, fourth output that closes and first antenna selector of high and low end electricity. and the 3rd, four-input terminal is corresponding joins; Corresponding the joining of first, second input of first, second output of first antenna selector and three function RF amplifiers, corresponding the joining of first, second input of first, second output of three function RF amplifiers and radio frequency preprocessor; The first input end of the output of radio frequency preprocessor and single channel monitoring and direction-finding receiver joins; First, second, third, fourth of PC exports/go into the input of end and single channel monitoring and direction-finding receiver, monitoring and direction-finding controller, spectrum analyzer, router/go out to hold corresponding joining; The first, second, third, fourth, the 5th, the 6th output of monitoring and direction-finding controller 7 is outwarded winding second input that closes, the 5th input of first antenna selector, the 3rd input of three function RF amplifiers, the 3rd input of radio frequency preprocessor, second input of single channel monitoring and direction-finding receiver, corresponding the joining of second input of second antenna selector with high and low end electricity respectively; Corresponding the joining of first input end of the output of monitoring aerial and second antenna selector, the output of second antenna selector and the input of spectrum analyzer join; The output of GPS, electronic compass joins the output of the input termination PC of headstock azimuth indicator with first, second input of PC respectively.
Advantage of the present utility model: adopted the wide frequency band measurement combination of antennas, can monitor the military wireless telecommunications and the radar signal of 1MHz-40GHz superwide frequency band, and can intuitively show by spectrum analyzer.Can carry out correlation interference direction-finding to the radio signal of 20MHz-3000MHz frequency range, a pair of antenna element is sampled simultaneously, guarantees synchronous, quick, accurate.Adopt the active direction estimation antenna array of nine unit small size low profiles, solved the mutual coupling problem between each bay well, got rid of coupling and phase ambiguity between element antenna.Adopted the radio frequency preprocessor, radiofrequency signal has been carried out phase/amplitude/phase transition and storage.Adopted the wideband low noise amplifier technology, had the amplifier of amplification, 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.Can compatible multiple single channel receiver, realize timesharing monitoring and direction finding, systemic price ratio height, applied widely.
Description of drawings
Accompanying drawing 1 is the utility model embodiment electricity theory diagram.
Accompanying drawing 2 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 3 is three function RF amplifiers electricity theory diagrams.
Accompanying drawing 4 is power dividers with 1: 2 distributor structured flowchart that is example.
Accompanying drawing 6 is the utility model software control system flow charts.(being similarly DESCO DF7.0)
Among the figure 1 is the interferometer direction finding antenna array, the 2nd, and high, the low side electricity pass of outwarding winding, 3 is first antenna selectors, 4 is three function RF amplifiers, the 5th, the radio frequency preprocessor, the 6th, single channel monitoring and direction-finding receiver, the 7th, the monitoring and direction-finding controller, the 8th, PC, the 9th, (monitoring aerial (is divided into by frequency range: 10KHz-20MHz monitoring aerial, 20MHz-300MHz, 300MHz-3GHz, 3GHz-18GHz, 18GHz-40GHz), 10 is second antenna selectors, the 11st, spectrum analyzer, the 12nd, storage battery, the 13rd, UPS, the 14th, inverter, the 15th, civil power, the 16th, the headstock azimuth indicator, the 17th, GPS, the 18th, electronic compass, the 19th, router.20 is the active direction estimation antenna array of nine unit perpendicular polarizations: 1000MHz-3000MHz, the 21st, radome, 22 are the active direction estimation antenna array of nine unit perpendicular polarizations: 20 MHz-1000MHz.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: the output of interferometer direction finding antenna array 1 and high and low end electricity are outwarded winding and are closed 2 first input end and join, and high and low end electricity is outwarded winding and closed corresponding the joining of first, second, third, fourth input of 2 first, second, third, fourth output and first antenna selector 3; Corresponding the joining of first, second input of first, second output of first antenna selector 3 and three function RF amplifiers 4, corresponding the joining of first, second input of first, second output of three function RF amplifiers 4 and radio frequency preprocessor 5; The first input end of the output of radio frequency preprocessor 5 and single channel monitoring and direction-finding receiver 6 joins; First, second, third, fourth of PC 8 exports/go into the input of end and single channel monitoring and direction-finding receiver 6, monitoring and direction-finding controller 7, spectrum analyzer 11, router one 9/go out to hold corresponding joining; The first, second, third, fourth, the 5th, the 6th output of monitoring and direction-finding controller 7 is outwarded winding with high and low end electricity respectively and is closed 2 second input, the 5th input of first antenna selector 3, the 3rd input of three function RF amplifiers 4, the 3rd input of radio frequency preprocessor 5, second input of single channel monitoring and direction-finding receiver 6, corresponding the joining of second input of second antenna selector 10; Corresponding the joining of first input end of the output of monitoring aerial 9 and second antenna selector 10, the input of the output of second antenna selector 10 and spectrum analyzer 11 joins; The output of GPS 17, electronic compass 18 joins the output of the input termination PC of headstock azimuth indicator 16 with first, second input of PC respectively.
Described interferometer direction finding antenna array 1, be the active direction estimation antenna array of small size low profile, be divided into two-layer (corresponding two frequency ranges), arrange along short transverse, every layer by Unit nine active (each antenna has a balance amplifier) vertical dipole antenna composition circular array.Lower floor is A band (20MHz～1000MHz), 1.0 meters of array maximum gauges, 0.27 meter of a unit dipole length; The upper strata is B wave band (1000MHz～3000MHz), 0.38 meter of array maximum gauge, 0.185 meter of a unit dipole length.Antenna impedance is 50 Ω.Interface is a N type socket.The about 35kg of the total weight of direction-finder antenna (comprise the high low side electricity that is installed in below the antenna outward winding pass, selector etc.), all antennas are all covered by radome, and the height of radome is 0.39 meter.
High and low end electricity is outwarded winding and is closed 2 and be divided into the low side electricity according to frequency range and 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 controller.Its low and middle-end electricity operating frequency of closing the unit of outwarding winding is 20MHz～1000MHz, and inside comprises that ANS 019L low side electricity is outwarded winding and closes and ALL 052L 1: 2+1: 9 power dividers.It is equivalent to a high frequency electronic switch, it has 9 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.ALL 052L power divider is that the self-correcting signal is divided into two-way earlier, and wherein one the tunnel is divided into 9 the tunnel again, introduces the low side electricity pass of outwarding winding, and is used for the system of 20MHz～1000MHz ripple 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: 9 power divider, delivers to high-frequency electrical and outwards winding and close the self-correcting that the unit is used for the high band system.The high-end electricity operating frequency of closing the unit of outwarding winding is 1000MHz～3000MHz, and inside comprises that the high-end electricity of ANS 020L is outwarded winding and closes and 1: 9 power divider of ALL 053L.It also is a high frequency electronic switch, and it has 9 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 of 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 2) from auxiliary route;
Three function RF amplifiers 4 comprise two broadband low noise 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.Respectively the main and auxiliary road signal from first antenna selector is handled.They respectively have 1 control/feeder ear, 1 input, 1 output.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.
Radio frequency preprocessor 5 (model is RFP006) is the principle according to correlation interference direction-finding, to carrying out a series of relevant preliminary treatment from the direction-finder antenna main and side road signal of three function amplifiers, the monitoring aerial signal of second selector.Be divided into high-end and low side RF preprocessor, operating frequency is respectively 1000MHz～3000MHz and 20MHz～1000MHz.Parts such as, HF switch synthetic comprising power division, phse conversion, signal, the phase information of signal is converted into amplitude information after, after suitable digital operation, be transformed into phase information again.Because twice variation of signal, generally this processing unit all is used with communication satellite.We have adopted Digital Signal Processing (DSP) technology and DSP device in a large number in native system, by Hilbert conversion and digital operation, detect the phase difference of coherent signal.For avoiding complicated time domain to handle, replace complicated integral operation with FFT and IFFT computing, realize digital Hilbert conversion, thereby improved arithmetic speed greatly, make direction finding speed bring up to present 20ms.
Single channel monitoring and direction-finding receiver 6 has monitoring and direction finding dual-use function.To handle frequency conversion, demodulation, decoding (can monitor measurement to the signal of different frequency domains, modulation domain, time domain) from monitoring (direction finding) signal of radio frequency preprocessor, output comprises the digital monitoring information of frequency, amplitude, frequency deviation, percentage modulation bandwidth, level, spectral image etc. and comprises signal phase and the digital direction-finding signal of amplitude characteristic.It is by serial ports and computer communication.Select the TSR 2040 single channel monitoring/direction-finding receivers of Israel Tadiran company in the present embodiment for use, carry out single channel monitoring and single channel correlation interferometer direction-finding.This receiver adopts pci bus structure and modularized design, a template is exactly a receive path, template can be inserted in the industrial computer that has the PCI slot, fixes with press strip up and down, constitutes the virtual instrument platform of state-of-the-art embedded receiver computer combined in the present age.
Monitoring and direction-finding controller 7 (model is DFC 050L) is system's each several part control drive unit and dc power supply unit.Processor carries out communication by serial port and PC, accept the control command of computer, outward winding pass, first selector, three function RF amplifiers, radio frequency preprocessor, single channel monitoring and direction-finding receiver, second selector etc. of high low side electricity are controlled, system is monitored and direction finding radio signal according to software program.
PC 8 (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.
Monitoring aerial 9, it is divided into five kinds according to frequency range: 10KHz-20MHz (utilizing the roof platform to make), 20MHz-300MHz (pattern is active monopole perpendicular polarization monitoring aerial), 300MHz～3000MHz (pattern be a kind of in horizontal plane direction-free active bipyramid omnidirectional antenna, be of a size of: base diameter 248mm; Height 318mm.), (model is WANT004R to 3GHz-18GHz, and circular polarization is of a size of diameter 165mm * 200mm height, gain is for 2dB, VSWR＜3), (model is WANT005R to 18GHz-40GHz, circular polarization, be of a size of diameter 155mm * 180mm height, gaining is 2dB, VSWR＜3).Input impedance is 50 Ω, and the interface pattern is N type socket.
Second antenna selector 10 is a kind of 5: 1 selectors, and it is chosen 1 road aerial signal and sends into the radio frequency preprocessor from monitoring aerial 9.It has 5 signal input parts, 1 signal output part, 1 control end.
Spectrum analyzer 11, model are MS2661C, and Japanese Anritsu company produces.
UPS 13 is a uninterrupted power supply, and model is that APC 1000VA is online.
The model of inverter 14 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.
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 (7)
1, superwide frequency band radio communication and radar signal monitoring direction-finding device, it is characterized in that the output of interferometer direction finding antenna array and the high and low end electricity first input end that closes of outwarding winding joins, corresponding the joining of first, second, third, fourth input that high and low end electricity is outwarded winding first, second, third, fourth output that closes and first antenna selector; Corresponding the joining of first, second input of first, second output of first antenna selector and three function RF amplifiers, corresponding the joining of first, second input of first, second output of three function RF amplifiers and radio frequency preprocessor; The first input end of the output of radio frequency preprocessor and single channel monitoring and direction-finding receiver joins; First, second, third, fourth of PC exports/go into the input of end and single channel monitoring and direction-finding receiver, monitoring and direction-finding controller, spectrum analyzer, router/go out to hold corresponding joining; The first, second, third, fourth, the 5th, the 6th output of monitoring and direction-finding controller is outwarded winding second input that closes, the 5th input of first antenna selector, the 3rd input of three function RF amplifiers, the 3rd input of radio frequency preprocessor, second input of single channel monitoring and direction-finding receiver, corresponding the joining of second input of second antenna selector with high and low end electricity respectively; Corresponding the joining of first input end of the output of monitoring aerial and second antenna selector, the output of second antenna selector and the input of spectrum analyzer join; The output of GPS, electronic compass joins the output of the input termination PC of headstock azimuth indicator with first, second input of PC respectively.
2, superwide frequency band radio communication according to claim 1 and radar signal monitoring direction-finding device, it is characterized in that described interferometer direction finding antenna array, be the active direction estimation antenna array of small size low profile, be divided into two-layer corresponding two frequency ranges, arrange along short transverse, every layer active by Unit nine, each antenna has a balance amplifier, and vertical dipole antenna is formed circular array, and lower floor is A band 20MHz～1000MHz, 1.0 meters of array maximum gauges, 0.27 meter of unit dipole length; The upper strata is B wave band 1000MHz～3000MHz, 0.38 meter of array maximum gauge, and 0.185 meter of unit dipole length, antenna impedance is 50 Ω, interface is a N type socket.
3, superwide frequency band radio communication according to claim 1 and radar signal monitoring direction-finding device, it is characterized in that height, the low side electricity is outwarded winding to close and is divided into the low side electricity according to frequency range 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～1000MHz, inside comprises that ANS 019L low side electricity is outwarded winding and closes and ALL 052L 1: 2+1: 9 power dividers, it has 9 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 1000MHz～3000MHz, inside comprises that the high-end electricity of ANS 020L is outwarded winding closes and 1: 9 power divider of ALL 053L, and it has 9 signal input parts, 2 signal output parts, 1 control/power supply port, 1 self-correcting signal input part.
4, superwide frequency band radio communication according to claim 1 and radar signal monitoring direction-finding device is characterized in that first antenna selector is 4: 2 selector, and it has 4 inputs, 2 outputs and 1 control/feeder ear.
5, superwide frequency band radio communication according to claim 1 and radar signal monitoring direction-finding device, it is characterized in that three function RF amplifiers comprise two broadband low noise amplifiers, operating frequency is 20MHz～3000MHz, and they respectively have 1 control/feeder ear, 1 input, 1 output; Amplifier comprises first high frequency relay, second high frequency relay, amplifying circuit, attenuator circuit and power supply.
6, superwide frequency band radio communication according to claim 1 and radar signal monitoring direction-finding device, it is characterized in that monitoring aerial, it is divided into five kinds according to frequency range: five kinds of 10KHz-20MHz, 20MHz-300MHz, 300MHz～3000MHz, 3GHz-18GHz, 18GHz-40GHz; Input impedance is 50 Ω, and the interface pattern is N type socket.
7, superwide frequency band radio communication according to claim 1 and radar signal monitoring direction-finding device is characterized in that second antenna selector is a kind of 5: 1 selectors, and it has 5 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 200620074768 CN200962590Y (en) | 2006-07-10 | 2006-07-10 | Monitoring and direction measurement device of ultra-broad frequency band radio communication and radar signal |
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| CN 200620074768 CN200962590Y (en) | 2006-07-10 | 2006-07-10 | Monitoring and direction measurement device of ultra-broad frequency band radio communication and radar signal |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1877357B (en) * | 2006-07-10 | 2010-05-12 | 俞文蕴 | Superwide frequency band radio communication monitoring and direction finding system |
| CN108369270A (en) * | 2015-09-28 | 2018-08-03 | 埃斯科特公司 | The radar detedtor for the pseudo- alarms detection for showing and enhancing with multiband direction |
| CN108847855A (en) * | 2018-06-26 | 2018-11-20 | 成都九洲迪飞科技有限责任公司 | Miniature spectral sensor |
-
2006
- 2006-07-10 CN CN 200620074768 patent/CN200962590Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1877357B (en) * | 2006-07-10 | 2010-05-12 | 俞文蕴 | Superwide frequency band radio communication monitoring and direction finding system |
| CN108369270A (en) * | 2015-09-28 | 2018-08-03 | 埃斯科特公司 | The radar detedtor for the pseudo- alarms detection for showing and enhancing with multiband direction |
| CN108369270B (en) * | 2015-09-28 | 2022-05-10 | 埃斯科特公司 | Radar detector with multi-band directional display and enhanced false alarm detection |
| CN108847855A (en) * | 2018-06-26 | 2018-11-20 | 成都九洲迪飞科技有限责任公司 | Miniature spectral sensor |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071017 Termination date: 20100710 |