CN106875657A - A kind of multipurpose meteorological data wireless transmitting system and method - Google Patents
A kind of multipurpose meteorological data wireless transmitting system and method Download PDFInfo
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- CN106875657A CN106875657A CN201710193128.8A CN201710193128A CN106875657A CN 106875657 A CN106875657 A CN 106875657A CN 201710193128 A CN201710193128 A CN 201710193128A CN 106875657 A CN106875657 A CN 106875657A
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/95—Radar or analogous systems specially adapted for specific applications for meteorological use
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/95—Radar or analogous systems specially adapted for specific applications for meteorological use
- G01S13/951—Radar or analogous systems specially adapted for specific applications for meteorological use ground based
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/03—Details of HF subsystems specially adapted therefor, e.g. common to transmitter and receiver
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01W—METEOROLOGY
- G01W1/00—Meteorology
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C15/00—Arrangements characterised by the use of multiplexing for the transmission of a plurality of signals over a common path
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/10—Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation
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Abstract
The invention provides a kind of multipurpose meteorological data wireless transmitting system and method, antenna sets, combiner and multi channel signals receiving device that system therein includes emitter, is sequentially connected；Antenna sets include one or more antennas being separately positioned on the ground in target pickup area；Emitter is connected with corresponding antenna communication；Multi channel signals receiving device and control centre's platform communication connection, and multi channel signals receiving device is used to for the meteorological data that emitter sends through antenna sets and combiner successively to reach control centre's platform, and, multi channel signals receiving device is used to for the control command of control centre's platform to reach emitter through antenna sets.Widely used, simple structure of the invention, operational efficiency is high, application reliability is strong and is easily installed, can be used in networking or the Point-to-Point Data Transmission of surface weather station, the networking of aerological sounding system or point-to-point Wireless Data Transmission are can also be used for, for weather data analysis research provides data basis accurately and securely.
Description
Technical field
The present invention relates to technical field of data transmission, and in particular to a kind of multipurpose meteorological data wireless transmitting system and side
Method.
Background technology
In meteorological detection field, the collection of data is a key areas for constituting Meteorological Observation System, data transfer
Accuracy and punctuality have high requirement for meteorological detection system, for the weather forecast in later stage provides sound assurance；
And multiple sensors data are mainly gathered using modes such as CANs in surface weather station's system, then by wired or nothing
Line (mainly GPRS and short message etc.) network is uploaded to data-centric；In aerological sounding system, using L-band radar
Tracking carries out data transmission.Existing transmission means is single, high cost, using dumb.
At present, conventional aerial coverage FX, omnidirectional antenna plane covering, it is impossible to realize hemisphere face all standing.
Generally using multiple antenna combinations, it is necessary to passing through electronic switch switching mode realizes hemisphere face reception, its complex structure and installation
Convenience is low.
In addition, regular receiver is single channel, point-to-point data one-way transmission is only limitted to, it is impossible to realize networking type number
According to transmission.
Therefore, a kind of operational efficiency is high and application reliability is strong meteorological data collection, transmitting device how are designed, is urgently
Problem to be solved.
The content of the invention
For defect of the prior art, the present invention provides a kind of multipurpose meteorological data wireless transmitting system and method,
The system and method is widely used, simple structure, operational efficiency is high, application reliability is strong and is easily installed, and can be used in ground
The networking of weather station or Point-to-Point Data Transmission, it can also be used to which the networking of aerological sounding system or point-to-point wireless data are passed
It is defeated, for weather data analysis research provides data basis accurately and securely.
In order to solve the above technical problems, the present invention provides following technical scheme：
On the one hand, the invention provides a kind of multipurpose meteorological data wireless transmitting system, the multipurpose meteorological data
Wireless transmitting system includes：Emitter, and, antenna sets, combiner and the multi channel signals receiving device being sequentially connected；
The antenna sets include one or more antenna, and one or more antenna is separately positioned on target collection
On ground in region；
The emitter is connected with the corresponding antenna communication；
The multi channel signals receiving device is used with control centre's platform communication connection, and the multi channel signals receiving device
Transmitted to control centre's platform in the meteorological data that the emitter is sequentially passed through the antenna sets and combiner transmission, with
And, the multi channel signals receiving device is used to through the antenna sets transmit the control command of control centre's platform to the transmitting
Machine.
Further, the emitter is fixedly installed on the ground in target pickup area or movement is set on high
In；
Wherein, the emitter being fixedly installed on the ground in target pickup area includes：It is arranged on the control
Emitter in zone center, and it is arranged on the emitter outside control centre's platform.
Further, the emitter has one or more, and each emitter respectively with the antenna sets in
The corresponding antenna communication connection.
Further, the whole antenna in the antenna sets is connected to the input of the combiner；
The output end of the combiner is connected with the multi channel signals receiving device.
Further, the multi channel signals receiving device includes：The coupler that is sequentially connected, shunt, receiver and
Micro-control unit；
The input of the coupler is connected with the output end of the combiner, and the output end connection of the coupler is described
The input of shunt；
The output end of the shunt connects the input of the receiver, and the output end connection of the receiver is described
Micro-control unit；
The micro-control unit is communicated to connect with control centre's platform.
Further, the receiver has multiple, and the input of each receiver is connected to the shunt
Output end, the import and export end of multiple receivers is connected to the micro-control unit.
Further, also include in the multi channel signals receiving device：Frescan；
The input of the frescan connects the output end of the coupler, and the output end connection of the frescan is described
Micro-control unit.
Further, wave filter and signal are connected with turn between the combiner and the multi channel signals receiving device
Amplifier；
The wave filter connects the output end of the combiner and the input of the signal amplifier respectively；
The output end of the signal amplifier is connected with the input of the coupler in the multi channel signals receiving device.
On the other hand, present invention also offers a kind of meteorological data collection method, the meteorological data collection method includes：
Meteorological data in emitter collection target pickup area, and the meteorological data is sent out with signal form
Go；
One or more antenna receives the signal that the corresponding emitter of signal frequency sends, and the signal of reception is sent out
Deliver to combiner；
The combiner by each antenna send all the way or multiple signals synthesize signal all the way, and the combining
Device by this all the way signal send at most channel reception equipment；
The signal of reception is carried out power distribution and signal filtering by the multichannel receiving device, obtains each emitter collection
The meteorological data, and the meteorological data is sent into the host device into control centre's platform.
Further, the combiner by this all the way signal send at most channel reception equipment, including：
The combiner sends to wave filter the signal all the way for synthesizing；
The wave filter receives the signal all the way, and to this all the way signal be filtered；
The wave filter sends to signal amplifier filtered signal all the way；
The signal amplifier carries out signal amplification to signal all the way, and by after amplification this all the way signal send to described
Multichannel receiving device.
As shown from the above technical solution, a kind of multipurpose meteorological data wireless transmitting system of the present invention and method,
System therein includes emitter, and, antenna sets, combiner and the multi channel signals receiving device being sequentially connected；The day
Line group includes one or more antennas, and one or more antennas are separately positioned on the ground in target pickup area；Institute
Emitter is stated to be connected with the corresponding antenna communication；The multi channel signals receiving device and control centre's platform communication connection,
And the multi channel signals receiving device is used to for the emitter to sequentially pass through the meteorology that the antenna sets and combiner send
Data transfer to control centre's platform, and, multi channel signals receiving device is used to pass through the control command of control centre's platform
Antenna sets reach emitter.Widely used, simple structure of the invention, operational efficiency is high, application reliability is strong and is easily installed, energy
It is enough in networking or the Point-to-Point Data Transmission of surface weather station, it can also be used to which the networking of aerological sounding system is point-to-point
Wireless Data Transmission, for weather data analysis research provides data basis accurately and securely.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are the present invention
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
These accompanying drawings obtain other accompanying drawings.
Fig. 1 is a kind of the first specific reality of the multipurpose meteorological data wireless transmitting system in embodiments of the invention one
Apply the structural representation of mode.
Fig. 2 is that the structure of emitter 10 in the multipurpose meteorological data wireless transmitting system in embodiments of the invention two is shown
It is intended to.
Fig. 3 is antenna sets 20 and combiner in the multipurpose meteorological data wireless transmitting system in embodiments of the invention three
30 attachment structure schematic diagram.
Fig. 4 is that multi channel signals are received and set in the multipurpose meteorological data wireless transmitting system in embodiments of the invention four
Standby 60 structural representation.
Fig. 5 is that multi channel signals are received and set in the multipurpose meteorological data wireless transmitting system in embodiments of the invention five
The structural representation of standby 60 another specific embodiment.
Fig. 6 is second specific embodiment party of the multipurpose meteorological data wireless transmitting system in embodiments of the invention six
The structural representation of formula.
Fig. 7 is the knot of micro-control unit 64 in the multipurpose meteorological data wireless transmitting system in embodiments of the invention seven
Structure schematic diagram.
Fig. 8 is the structural representation of the multipurpose meteorological data wireless transmitting system in application example of the invention.
Fig. 9 is the signal synthesis implementation block diagram in application example of the invention.
Figure 10 is the network connection architecture schematic diagram in application example of the invention.
Figure 11 is the schematic flow sheet of the meteorological data collection method in embodiments of the invention eight.
Figure 12 is the schematic flow sheet of step 300 in the meteorological data collection method in embodiments of the invention nine.
Wherein, 10- emitters；20- antenna sets；21- antennas；30- combiners；40- wave filters；50- signal amplifiers；
60- multi channel signals receiving devices；61- couplers；62- shunts；63- receivers；64- micro-control units；65- frescans；
66- acquisition state indicator lamps.
Specific embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, clear, complete description is carried out to the technical scheme in the embodiment of the present invention, it is clear that described embodiment is
A part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
Embodiments of the invention one provide a kind of the first specific implementation of multipurpose meteorological data wireless transmitting system
Mode, referring to Fig. 1, the multipurpose meteorological data wireless transmitting system specifically includes following content：
Emitter 10, and, antenna sets 20, combiner 30 and the multi channel signals receiving device 60 being sequentially connected；It is described
Antenna sets 20 include multiple antennas 21, and the plurality of antenna 21 is separately positioned on the ground in target pickup area；The hair
Machine 10 is penetrated to be communicated to connect with the corresponding antenna 21；The multi channel signals receiving device 60 and control centre's platform communication link
Connect, and the multi channel signals receiving device 60 is used to for the emitter 10 to sequentially pass through the antenna sets 20 and combiner 30
The meteorological data of transmission is transmitted to control centre's platform, and, during the multi channel signals receiving device 60 is used to control
The control command of heart platform is transmitted to the emitter 10 through the antenna sets 20.
In the foregoing description, emitter (a transmitter circuit) is mainly the useful low frequency signal pair of completion
The modulation of high frequency carrier, is changed into having certain bandwidth in a certain centre frequency, fits through the electromagnetic wave of antenna transmitting；
Antenna 21 in antenna sets 20 needs to be arranged in target pickup area everywhere according to practical application, and sets day throughout
The specification requirement of line 21 is without hard and fast rule, because all types of antennas 21 is each equipped with corresponding emitter 10；Wherein, respectively
Antenna 21 can be by cable connection to combiner 30；Combining Circuit is provided with combiner 30, Combining Circuit passes antenna 21
Defeated multiple signals are synthesized all the way, and by this all the way signal through optical cable transmission to multi channel signals receiving device 60；Multichannel
Signal receiver 60 can be arranged on outside control centre's platform, it is also possible to be arranged in control centre's platform, and multi channel signals are received
Equipment 60 can be connected with the host computer control computer of control centre's platform by being embedded in the optical cable of subsurface, it is also possible to by setting
Wireless transmission unit on each carries out wireless communication connection；In multi channel signals receiving device 60, multi channel signals connect
Termination power, shunt circuit, receiving circuit and the control circuit being sequentially connected can be provided with receiving unit 60；Termination power will connect
The signal of receipts is sent to shunt circuit, and shunt circuit will be assigned as multiple signals by signal all the way, and it is right that Bing Jiangge roads signal is sent to
Each receiving circuit answered, each receiving circuit is filtered and amplifies etc. treatment to signal, then by the letter after filtering and enhanced processing
Number send to control circuit, control circuit will receive signal transmission to the host computer control computer of control centre's platform in so that control
Zone center processed carries out Treatment Analysis according to the meteorological data for receiving.
Knowable to foregoing description, the multipurpose meteorological data wireless transmitting system purposes that embodiments of the invention are provided is wide
General, simple structure, operational efficiency are high, application reliability is strong and are easily installed, for weather data analysis research provide accurately and
Reliable data basis.
Embodiments of the invention two provide one kind of emitter 10 in above-mentioned multipurpose meteorological data wireless transmitting system
Specific embodiment, referring to Fig. 2, the emitter 10 specifically includes following content：
During the emitter 10 is fixedly installed on the ground in target pickup area or movement is set on high, wherein,
The emitter being fixedly installed on the ground in target pickup area includes：It is arranged on the transmitting in control centre's platform
Machine, and it is arranged on the emitter outside control centre's platform；The emitter 10 has one or more, and each hair
Machine 10 is penetrated to be communicated to connect with the corresponding described antenna 21 in the antenna sets 20 respectively.
In the foregoing description, emitter 10 is fixedly installed on the ground in target pickup area can realize Ground Meteorological
The networking stood or Point-to-Point Data Transmission；And emitter 10 can be moved by the air transport transfer device high such as aircraft, balloon and is arranged on
It is aerial, and bi-directional communication network is constituted with multi channel signals receiving device；In addition, emitter 10 can set according to practical situations
1,2 or multiple is set to, and each emitter 10 has corresponding day in multipurpose meteorological data wireless transmitting system
Line 21.
Knowable to foregoing description, embodiments of the invention can be used in the networking of surface weather station or Point-to-Point Data is passed
It is defeated, it can also be used to the networking of aerological sounding system or point-to-point Wireless Data Transmission, it is to avoid primary antenna group needs to pass through
Electronic switch switching mode realize hemisphere face receive defect, filled up existing single channel reception system cannot networking transmission sky
In vain, improve the efficiency of meteorological data collection.
Embodiments of the invention three provide antenna sets 20 and combining in a kind of multipurpose meteorological data wireless transmitting system
A kind of specific annexation of device 30, referring to Fig. 3, the annexation of the antenna sets 20 and combiner 30 is specifically included in following
Hold：
Whole antenna 21 in the antenna sets 20 is connected to the input of the combiner 30；The combining
The output end of device 30 is connected with the multi channel signals receiving device 60.
In the foregoing description, emitter 10 transmits a signal to antenna sets 20, in the angle of this signal transmission,
Signal demand is input into the input of combiner 30, meanwhile, the output end of combiner 30 need to connect the multi channel signals reception and set
Standby 60, so as to obtain multiple signals can synthesize all the way in combiner 30；If in addition, the host computer control computer of control centre's platform is needed
To be sent to emitter and ordered, then combiner can used as shunt in turn, will former combiner input and
Output end is exchanged, it is also possible to which, while being equipped with a shunt, the input of the shunt connects the multi channel signals reception and sets
Standby 60, each antenna 21 in the output end connection antenna sets 20 of the shunt so that signal is distributed into multiple signals all the way, and by
Each antenna 21 is transferred to corresponding emitter 10 so that the finger that each emitter sends according to the host computer control computer of control centre's platform
Order is processed.
Knowable to foregoing description, embodiments of the invention can be by multiple signals synthesis all the way so as to meteorological data
Collection realizes the reliability of data acquisition without being realized by electronic switch switching mode.
Multi channel signals are received during embodiments of the invention four provide above-mentioned multipurpose meteorological data wireless transmitting system
A kind of specific embodiment of equipment 60, referring to Fig. 4, the multi channel signals receiving device 60 specifically includes following content：
The multi channel signals receiving device 60 includes：The coupler 61 that is sequentially connected, shunt 62, receiver 63 and micro-
Control unit 64；The input of the coupler 61 is connected with the output end of the combiner 30, the output of the coupler 61
The input of the end connection shunt 62；The output end of the shunt 62 connects the input of the receiver 63, and institute
The output end for stating receiver 63 connects the micro-control unit 64；The micro-control unit 64 and control centre's platform communication link
Connect；The receiver 63 has a multiple, and the input of each receiver 63 is connected to the output end of the shunt 62, many
The import and export end of the individual receiver 63 is connected to the micro-control unit 64.
In the foregoing description, it is provided with coupler 61 in foregoing termination power, shunt 62 and is provided with foregoing branch electricity
It is provided with road, receiver 63 in foregoing receiving circuit and micro-control unit 64 and is provided with foregoing control circuit.
Knowable to foregoing description, embodiments of the invention give a kind of signal reception processing of multichannel meteorological data and set
It is standby, it is ensured that the reliability and accuracy of data acquisition, solve two-way communication, multi-channel parallel that meteorological data is wirelessly transferred
Receiving ability and network construction ability.
Multi channel signals are received during embodiments of the invention five provide above-mentioned multipurpose meteorological data wireless transmitting system
Another specific embodiment of equipment 60, referring to Fig. 5, also includes following content in the multi channel signals receiving device 60：
Frescan 65；The input of the frescan 65 connects the output end of the coupler 61, and the frescan 65
Output end connect the micro-control unit 64.
In the foregoing description, frequency sweep circuit is provided with frescan 65, and frescan 65 is used to signal is carried out entirely according to instruction
Frequency range or band segment field intensity are scanned, and the field intensity data that will be obtained are sent to micro-control unit 64 by serial ports.
Knowable to foregoing description, embodiments of the invention can accurately obtain the frequency spectrum shape in the range of wireless communication frequency band
State, avoid interference frequency so that the meteorological data of collection is relatively reliable and stable, it is ensured that research is analyzed to meteorological data
Accuracy.
Embodiments of the invention six provide a kind of second specific implementation of multipurpose meteorological data wireless transmitting system
Mode, referring to Fig. 6, the multipurpose meteorological data wireless transmitting system also includes following content：
Wave filter 40 is connected between the combiner 30 and the multi channel signals receiving device 60；The wave filter 40
The input of the coupler 61 in the output end and the multi channel signals receiving device 60 of the combiner 30 is connected respectively；Institute
State and signal amplifier 50 is also associated between wave filter 40 and the coupler 61.
Knowable to foregoing description, embodiments of the invention improve wireless signal strength, while the outer interference signal of filter bag,
Ensure that accuracy and reliability that signal is received.
Embodiments of the invention seven are there is provided micro-control unit 64 in a kind of multipurpose meteorological data wireless transmitting system
A kind of specific embodiment, referring to Fig. 7, the micro-control unit 64 specifically includes following content：
Acquisition state indicator lamp 66 is provided with the micro-control unit 64；Micro-control unit 64 will control multipath receiver
Receives frequency and frescan 65 swept frequency range, while by the reception data of multipath receiver 63 and the frequency sweep number of frescan 65
According to repacking, main frame is sent to by serial ports, and various working conditions are shown by acquisition state indicator lamp 66.
Knowable to foregoing description, embodiments of the invention strengthen monitoring and the representation of running status, improve event
The quick diagnosis ability of barrier, it is ensured that the stability and reliability of assembly operating.
Present invention also offers a kind of application example of multipurpose meteorological data wireless transmitting system, referring to Fig. 8 and Fig. 9,
The multipurpose meteorological data wireless transmitting system specifically includes following content：
Multipurpose meteorological data wireless transmitting system includes combiner 30, multi channel signals receiving device 60, emitter 10,
Wireless transmission signal frequency range is 400MHz~406MHz.
1st, combiner 30：
N roots antenna 21 is connected on the input port of combiner 30 by radio-frequency cable, the every independent work simultaneously of antenna,
Antenna is combined by combiner 30 two-by-two, it is ensured that realize combining, and mutually isolated.Combining forms N/ to multiple signals two-by-two
The combining signal output on 2 tunnels, then adopts in a like fashion, by the combining two-by-two again of N/2 roads combining signal, forms N/4 road combinings
Signal, by that analogy, finally reuses one-level combining, and by higher level's two-way combining signal combining formation, signal output gives more logical all the way
Road signal receiver 60.
2nd, multi channel signals receiving device 60：
Multi channel signals receiving device 60：Comprising coupler 61, shunt 62, micro-control unit 64 and frescan 65.
2-1, radiofrequency signal leach out-of-band interference and noise signal by band with wave filter 40, then by the letter of low noise
Number amplifier 50 amplifies to signal.The output signal of signal amplifier 50 produces two branch output signals through coupler 61, respectively
Export to shunt 62 and frescan 65.The output signal of coupler 61 enters shunt 62, using N grades of power divider, will penetrate
According to one-to-two, two point four, four point eight, eight point 16 etc. of multiple etc. point mode, branch is 2 to frequency signalNRoad is identical
Radiofrequency signal, 2NIndividual branch exports mutually isolated between each port, is connected respectively to using the radio-frequency cable of same size many
Road receiver 63.Frescan 65 carries out full frequency band bandwidth and carries out frequency sweep according to the instruction of the serial ports of micro-control unit 64；The letter of single-point
Number intensity detection process：LO (RF-IF) frequency that PLL is arranged to need by micro-control unit by data communication interface；In the future
Amplify from the coupled signal of antenna, the LO signals with setting are mixed, and obtain intermediate-frequency IF signal；Device 40 filters it after filtering
Enter intermediate frequency amplifier after the signal of its frequency, out of band signal is further filtered by wave filter 40, then carry out intermediate frequency amplification, enter
Entering detection chip carries out detection generation RSSI level, and signal intensity is gathered by AD, and the data to collecting are processed, obtained
The signal intensity for receiving, preserves data；The frequency of LO signals is sequentially changed according to sweep limits and stepping, whole numbers are obtained
According to whole data being packed and are exported to micro-control unit 64 by data communication interface.
2-2, multiple signals respectively enter independent receiver 63, and each receiver 63 uses superhet double conversion frame
Structure.Radio-frequency front-end receives Frequency Band Selection bandpass filter (400M-406M) and a low noise for high linearity high-gain by two-stage
Acoustic amplifier is constituted.Frequency mixer uses double balanced mixer, and reception can be improved on the premise of certain conversion loss is ensured
System linearity degree and dynamic range, while the nonlinear combination frequency component produced by the mixing of part can also be canceled themselves out.
Frequency synthesis module realizes that PLL unit is mainly by digital phase discriminator PFD, loop filter using classical phase-locked loop circuit PLL
LPF and voltage controlled oscillator VCO；Loop filter uses multiple order low pass filter, there is provided rational stable phase angle allowance；VCO moulds
Block can realize good frequency stability and extremely low open loop phase noise using the carat ripple oscillating circuit of function admirable.It is whole
Buffer amplifier of the individual pll system outside provides the local oscillation signal of stabilization for frequency mixer.In the first of frequency mixer output
Frequency signal realizes Channel assignment by one-level narrow band channel selection bandpass filter, then enters by two-stage intermediate frequency buffer amplifier
Intermediate frequency demodulation chip carries out second down coversion and produces the second intermediate-freuqncy signal, is then completed to the second intermediate-freuqncy signal by high-speed ADC
Lack sampling treatment, then the data signal obtained by sampling be transported to Base Band Unit by data communication interface complete related solution
Work is adjusted, finally via the data message that data communication interface output is related.
2-3, middle control unit are distributed to serial port of host computer order, and multipath receiver is respectively provided with by data communication interface
Receives frequency, the swept frequency range of frescan 65；By the frequency sweep data of the reception data of multipath receiver and frescan 65 again
Packed, then by data communication interface, by electrical level transferring chip, be sent to main frame；Micro-control unit 64 has multiple to refer to
Show that lamp represents various states：Supply voltage state, running status, frequency sweep state, reception state etc..
Multi channel signals receiving device 60 uses if digitization processing mode, according to data signal, calculates current hair
The tranmitting frequency degree of accuracy skew of machine 10 is penetrated, in adjustment receiver 63 receives frequency itself, so as to realize frequency-tracking function.
3rd, emitter 10：
Serial data transfers data to the MCU chip inside emitter 10 by data conversion chip, and MCU receives number
According to, data are extracted into data according to form decoding, then data are encoded, form the debugging signal data for needing.Complete
Data after coding can be sent to the PLL unit of emitter 10 by serial line interface.Tune-up data is modulated at radio frequency by PLL unit
On signal, radiofrequency signal is then sent to driving amplifier unit.Modulated signal is amplified by multiple drive power level, and signal reaches
Power amplifier unit requirement, sends a signal to power amplifier.Signal input may amplify the signal to 50mW~20W defeated to power amplifier
Go out, then filter harmonic wave by low pass filter 40, by coupler and antennal interface, launched to antenna by feeder line.
Coupler can be coupled out forward direction transmission power and reflection power, and forward power feeds back to power amplifier, is used as by detection output
Power Control.Reflected output signals are used to refer to the matching degree of antenna port by detection, can be using reduction when reflecting excessive
The mode of power will not be damaged protecting emitter.
4th, the network connection architecture of the present embodiment is realized as shown in Figure 10, including：Terminal MS (Mobile
Station)；Base station system：The wireless communication system that multichannel reception system builds；The exchange of meteorological data wireless transmitting system
Control centre MSO (Mobile Switching Office)；Monitoring, management and dimension that meteorological data wireless transmitting system runs
Shield center O＆AM (Operation, Administration and Maintenance)；Remote scheduling and terminal is carried out remotely
Dispatch and system carried out the system NMT (Network Management Terminal) of Remote Management of Network；Participate in interconnection
The switching control center Remote MSO (Remote Mobile Switching Office) of remote cluster system；Backbone network：
Backbone network for connecting the passage of each network equipment control signaling and business datum；Air interface Um (Air
Interface)；Meteorological data wireless transmitting system interconnection interface ISI (Inter-System Interface).It is each in Fig. 10
NE is linked into backbone network with various link modes (E1, ISDN, DDN, frame relay FR etc.), using IP technologies as mutual
The basic agreement of connection,
Network structure is an example for networking in Figure 10, does not represent the meteorological data wireless transmitting system network in future
Must possess all of unit in figure.
Knowable to foregoing description, the bi-directional communication function possessed in aerological sounding in application example of the invention,
Relevant parameter that can be in real time dynamically to sonde is adjusted；Possesses large range of wireless networking function, it is possible to achieve ground
Face weather station or aerological sounding multizone data management, build professional multi-stage data networking；Coupled by multi-path antenna
Mode realizes that hemisphere face regional signal all standing is realized in the input of compatible polytype aerial signal, it is to avoid switching different antennae
Find signal.
The combiner 30 in application example of the invention：Multiple signals are synthesized all the way, synthesizer can be with compatible 2
~32 road signal synthesis；By taking 8 road signal synthesis as an example, four tunnel combinings are first carried out, export two paths of signals, then this two paths of signals is entered
Row combining, signal is supplied to multi channel signals receiving device 60 all the way for output.
The multi channel signals receiving device 60 in application example of the invention：Signal is coupled out into signal all the way to provide
To frescan 65, main signal supply shunt 62 is coupled all the way.Shunt 62 is that 1 tunnel or multiple signals are distinguished main signal branch
It is supplied to receiver 63.Receiver 63 can be to carrying out real-time processing per signal all the way.Receiver 63 uses the secondary change of superhet
Frequency architectural schemes, lack sampling digitized processing is directly carried out to the second intermediate-freuqncy signal, uses realization to various digital demodulation signals.
Frescan 65 carries out full frequency band or the scanning of band segment field intensity, the field that will be obtained to the signal in 400M~406MHz according to instruction
Strong data are sent to micro-control unit 64 by serial ports, while being powered to each antenna 21 by feed element.Microcontroller list
Unit 64 by the receives frequency for controlling multipath receiver and the swept frequency range of frescan 65, while by the reception number of multipath receiver 63
Repacked according to the frequency sweep data with frescan 65, main frame is sent to by serial ports, and various work are shown by indicator lamp
State.
The multi channel signals receiving device 60 in application example of the invention has automatic frequency tracking function：Due to
Wireless transmission environments are severe, and the degree of accuracy of emitter tranmitting frequency can change with temperature, humidity etc., multichannel letter of the present invention
Number receiving device 60 can track transmitter frequency automatically, so as to reach best reception.
Application example of the invention is received using the multichannel realizes that more modulation pattern is compatible：Using if digitization
Method, by software wireless computator method, it is possible to achieve to FSK, GFSK, MSK, ASK, PSK, FFSK, 4FSK, GMSK, LORA etc.
Data signal is demodulated, so as to realize more modulation pattern compatibility function.
The emitter 10 in application example of the invention：The emitter 10 uses digital modulation mode, and data are believed
Breath is modulated onto the radiofrequency signal of corresponding frequencies, is then amplified by power amplifier, is sent by antenna.The module is using advanced
Digital modulation mode, it is possible to achieve including FSK, GFSK, MSK, ASK, PSK, FFSK, the mode such as 4FSK, GMSK, LORA
Modulation.
Knowable to foregoing description, application example of the invention uses multiple signals synthesis mode, it is possible to achieve multi-path antenna
Signal synthesizes, and realizes hemisphere face regional signal all standing；Employ digital modulation and demodulation mode, can transmit FSK, GFSK,
The more modulation signal such as MSK, ASK, PSK, FFSK, 4FSK, GMSK, LORA；Using multi channel signals receiving device 60, Ke Yitong
When receive one or more transmitting end signals；Using coding transfer methods such as frequency division multiplexing, time division multiplex, code division multiplexings, can be with
Improve wirelessly transmitting data amount, lifting network data transmission benefit and reduce data transmission error rate；Using Digital Sweep module,
Can be with monitoring system periphery electromagnetic states, it is to avoid system is subject to air interference；Using emitter 10, it is possible to achieve lead to other more
The wireless telecommunications of road signal receiver 60.The present invention can realize surface weather station, the networking of upper air observation system or
Point-to-point Wireless Data Transmission, greatly simplifies occupation mode, reduces cost, improves data transmission quality and quantity.
Embodiments of the invention eight provide a kind of gas that the above-mentioned multipurpose meteorological data wireless transmitting system of application is realized
A kind of specific embodiment of image data acquisition method, referring to Figure 11, the meteorological data collection method specifically includes following steps：
Step 100：Meteorological data in emitter collection target pickup area, and by the meteorological data with signal form
Send.
Step 200：Each antenna receives the signal that the corresponding emitter of signal frequency sends respectively, and the signal that will be received is equal
Send to combiner.
Step 300：The combiner by each antenna send all the way or multiple signals synthesize signal all the way, and
The combiner by this all the way signal send at most channel reception equipment.
Step 400：The signal of reception is carried out power distribution and signal filtering by the multichannel receiving device, obtains each hair
The meteorological data of machine collection is penetrated, and the meteorological data is sent into the host device into control centre's platform.
Knowable to foregoing description, embodiments of the invention provide meteorological data collection method for application extensively, operational efficiency
High and application reliability is strong, for weather data analysis research provides data basis accurately and securely.
Embodiments of the invention nine provide a kind of specific implementation of step 300 in the above-mentioned meteorological data collection method of application
Mode, referring to Figure 12, the step 300 specifically includes following steps：
Step 301：The combiner sends to wave filter the signal all the way for synthesizing.
Step 302：The wave filter receives the signal all the way, and to this all the way signal be filtered.
Step 303：The wave filter sends to signal amplifier filtered signal all the way.
Step 304：The signal amplifier carries out signal amplification to signal all the way, and by the signal hair all the way after amplification
Deliver to the multichannel receiving device.
Knowable to foregoing description, embodiments of the invention ensure that the accuracy and reliability that signal is received.
Above example is merely to illustrate technical scheme, rather than its limitations；Although with reference to the foregoing embodiments
The present invention has been described in detail, it will be understood by those within the art that：It still can be to foregoing each implementation
Technical scheme described in example is modified, or carries out equivalent to which part technical characteristic；And these are changed or replace
Change, do not make the spirit and scope of the essence disengaging various embodiments of the present invention technical scheme of appropriate technical solution.
Claims (10)
1. a kind of multipurpose meteorological data wireless transmitting system, it is characterised in that the multipurpose meteorological data is wirelessly transferred and is
System includes：Emitter, and, antenna sets, combiner and the multi channel signals receiving device being sequentially connected；
The antenna sets include one or more antenna, and one or more antenna is separately positioned on target pickup area
On interior ground；
The emitter is connected with the corresponding antenna communication；
The multi channel signals receiving device is used to incite somebody to action with control centre's platform communication connection, and the multi channel signals receiving device
The emitter sequentially passes through the antenna sets and the meteorological data of combiner transmission is transmitted to control centre's platform, and,
The multi channel signals receiving device is used to through the antenna sets transmit the control command of control centre's platform to the emitter.
2. component according to claim 1, it is characterised in that the emitter is fixedly installed in target pickup area
On ground or in mobile setting on high；
Wherein, the emitter being fixedly installed on the ground in target pickup area includes：It is arranged on the control centre
Emitter in platform, and it is arranged on the emitter outside control centre's platform.
3. component according to claim 1 and 2, it is characterised in that the emitter has one or more, and it is each described
Emitter is connected with the corresponding described antenna communication in the antenna sets respectively.
4. component according to claim 1, it is characterised in that the whole antenna in the antenna sets is connected to
The input of the combiner；
The output end of the combiner is connected with the multi channel signals receiving device.
5. component according to claim 1, it is characterised in that the multi channel signals receiving device includes：It is sequentially connected
Coupler, shunt, receiver and micro-control unit；
The input of the coupler is connected with the output end of the combiner, and the output end of the coupler connects the branch
The input of device；
The output end of the shunt connects the input of the receiver, and the output end of the receiver connects the micro-control
Unit processed；
The micro-control unit is communicated to connect with control centre's platform.
6. component according to claim 5, it is characterised in that the receiver has a multiple, and each receiver is defeated
Enter the output end that end is connected to the shunt, the import and export end of multiple receivers is connected to the microcontroller list
Unit.
7. component according to claim 5, it is characterised in that also include in the multi channel signals receiving device：Frequency sweep
Device；
The input of the frescan connects the output end of the coupler, and the output end of the frescan connects the micro-control
Unit processed.
8. component according to claim 5, it is characterised in that the combiner and the multi channel signals receiving device it
Between be connected with wave filter and signal amplifier in turn；
The wave filter connects the output end of the combiner and the input of the signal amplifier respectively；
The output end of the signal amplifier is connected with the input of the coupler in the multi channel signals receiving device.
9. a kind of meteorological data collection method, it is characterised in that the meteorological data collection method includes：
Meteorological data in emitter collection target pickup area, and the meteorological data is sent with signal form；
One or more antenna receives the signal that the corresponding emitter of signal frequency sends, and by the signal of reception send to
Combiner；
The combiner by each antenna send all the way or multiple signals synthesize signal all the way, and the combiner will
This all the way signal send at most channel reception equipment；
The signal of reception is carried out power distribution and signal filtering by the multichannel receiving device, obtains the institute of each emitter collection
Meteorological data is stated, and the meteorological data is sent into the host device into control centre's platform.
10. method according to claim 9, it is characterised in that the combiner by this all the way signal send to multichannel
Receiving device, including：
The combiner sends to wave filter the signal all the way for synthesizing；
The wave filter receives the signal all the way, and to this all the way signal be filtered；
The wave filter sends to signal amplifier filtered signal all the way；
The signal amplifier carries out signal amplification to signal all the way, and by after amplification this all the way signal send to described and lead to more
Road receiving device.
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| CN201710193128.8A CN106875657A (en) | 2017-03-28 | 2017-03-28 | A kind of multipurpose meteorological data wireless transmitting system and method |
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| CN108107486A (en) * | 2018-01-16 | 2018-06-01 | 昆明理工大学 | A kind of vehicular traffic weather circuit breaker for real-time monitoring device based on LoRa |
| CN111815926A (en) * | 2020-05-14 | 2020-10-23 | 中国气象局气象探测中心 | System and method for meteorological data wireless transmission |
| CN115425997A (en) * | 2022-09-02 | 2022-12-02 | 南京大劲精密机械有限公司 | V-band multi-channel receiver |
| RU2787777C1 (en) * | 2021-12-07 | 2023-01-12 | Общество с ограниченной ответственностью "Научно-производственное предприятие "ОРТИКС" | Radar system for sounding the atmosphere with a phase-modulated telemetry channel |
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| CN102323627A (en) * | 2010-10-29 | 2012-01-18 | 中国科学院大气物理研究所 | Multi-channel weather sounding system |
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| CN111815926A (en) * | 2020-05-14 | 2020-10-23 | 中国气象局气象探测中心 | System and method for meteorological data wireless transmission |
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