CN102890295B - A kind of integrated satellite navigation meteorological sounding system - Google Patents
A kind of integrated satellite navigation meteorological sounding system Download PDFInfo
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- CN102890295B CN102890295B CN201210371829.3A CN201210371829A CN102890295B CN 102890295 B CN102890295 B CN 102890295B CN 201210371829 A CN201210371829 A CN 201210371829A CN 102890295 B CN102890295 B CN 102890295B
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- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 4
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- 238000012546 transfer Methods 0.000 description 3
- 238000013480 data collection Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000004807 localization Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
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Abstract
The integrated satellite navigation meteorological sounding system of one that the present invention proposes, only use a processor, carry out that satellite navigation is resolved and temperature, air pressure, humidity data acquisition process and radio communication control simultaneously, effectively reduce the complexity of satellite navigation meteorological sounding system, improve the efficiency of data processing, and, space saved, reduce volume, reduced cost and power consumption. Comprise the satellite navigation radio frequency unit that is connected with satellite earth antenna, TPU measuring unit, the power amplification unit and the processor unit that are connected with transmitting antenna, described processor unit comprises processor, on described processor, be integrated with satellite navigation baseband processing module, ADC converter and radio communication modulation module, described satellite navigation baseband processing module is connected with satellite navigation radio frequency unit, described ADC converter is connected with TPU measuring unit, and described radio communication modulation module is connected with power amplification unit.
Description
Technical field
The invention belongs to satellite navigation field, particularly a kind of integrated satellite navigation meteorological sounding system.
Background technology
Satellite navigation and location system is to utilize satellite launch radio signal to position navigation, has round-the-clock, high accuracy, fastThe real-time three-dimensional navigation of speed, locate, test the speed and time service function. At present, it be widely used in navigational guidance, engineering survey,The fields such as geodynamics, meteorology and atmospheric physics.
Satellite navigation and location system is made up of three parts, i.e. Aerospace Satellite constellation part, ground monitoring part, customer equipment part(satellite navigation receiver or module). Current GLONASS (GNSS, GlobalNavigationSatelliteSystem) Beidou satellite navigation system and the European Union that comprise the GPS of the U.S., Muscovite GLONASS, China buildGALILEO system, GNSS combines the satellite-signal of multiple satellite navigation systems, has increased the number of whole system satellites in viewOrder, has improved distribution and the dilution of precision of satellite, and having anywhere can be for observation compared with multiple satellites of wide-angle, therefore,GNSS has stronger availability, reliability and higher positioning precision and better integrity.
Utilizing satellite navigation and location system to carry out meteorological sounding is a kind of novel meteorological detection means, substitutes traditional radio warpLatitude instrument or radar equipment position, and obtain the data such as wind speed, wind direction, have improved widely the accuracy of meteorological sounding, simultaneouslyReduce the cost of ground installation and whole system.
As shown in Figure 1, satellite navigation meteorological sounding system comprises equipment and ground installation on ball, and on ball, equipment comprises sounding balloonWith satellite navigation meteorological sounding system, for completing collection, coding, modulation and the transmitting of meteorological sounding data; Ground installation comprisesGround receiver and monitor terminal, for completing reception, demodulation, decoding and the processing of meteorological sounding data. Wherein, satellite is ledBoat meteorological sounding system is to utilize satellite navigation and location system to carry out the effective tool of meteorological detection accurately and upper air wind measuring, and it comprisesSatellite navigation localization part, TPU(temperature, air pressure, humidity) measure portion, CPU part and wireless communication section. Satellite is ledBoat localization part receives and processes navigation satellite signal, provides accurate Position, Velocity and Time information, for surveying wind and air pressureInverse; TPU measure portion is made up of temperature, air pressure, humidity sensor and measuring circuit etc., for gathering different elevations placeTemperature, air pressure and humidity information; CPU part is made up of microprocessor and peripheral circuit, for complete data collection, control,Process and send; Wireless communication section is established for navigator fix information and TPU information are modulated, amplified and is transmitted to groundStandby.
General satellite navigation meteorological sounding system adopts modular design. As shown in Figure 2, be existing modularization satelliteNavigation meteorological sounding system theory of constitution schematic diagram, comprises satellite navigation module, TPU measuring unit and wireless communication unit, itsOperation principle is: satellite navigation module via satellite reception antenna receives navigation satellite signal, is divided into through radio-frequency part in inside modulesThe amplification of row signal, filtering, down coversion, analog-to-digital conversion, output digital medium-frequency signal, then by Base-Band Processing part in numeralFrequently signal is processed, and is finally realized resolving of the navigation informations such as position, speed, time by processor unit 1; TPU measuresUnit is realized the signals collecting from temperature, air pressure and humidity sensor by processor unit 2 and ADC converter, obtainsReal-time temperature, air pressure and humidity information; Also comprise in addition a processor unit 3, will be from satellite navigation module and TPUThe processing of encoding of the data message of measuring unit, sends to wireless communication unit; Wireless communication unit is logical by the data after codingOvermodulated circuit is modulated into L-band or pattern-band wireless signal, after power amplification by transmission antennas transmit to ground installation.Modular satellite navigation meteorological sounding system generally need to adopt multiple processors, as seen from Figure 2, has adopted altogether 3 processingDevice, systematic comparison complexity, the transfer of data between processor unit need to be passed through serial ports, and data-handling efficiency is lower, meanwhile,Its volume and power consumption are larger, and this is for being disadvantageous to the more sensitive meteorological sounding system of cost, volume and power dissipation ratio.
Summary of the invention
The present invention is directed to defect and the deficiency of existing modularization satellite navigation meteorological sounding system, proposed a kind of integrated satellite and ledBoat meteorological sounding system, only uses a processor, carries out that satellite navigation is resolved and temperature, air pressure, humidity data collection simultaneouslyProcess and radio communication control, effectively reduced the complexity of satellite navigation meteorological sounding system, improved the efficiency of data processing,And, save space, reduce volume, reduce cost and power consumption.
Technical scheme of the present invention is:
A kind of integrated satellite navigation meteorological sounding system, is characterized in that, comprises that the satellite navigation being connected with satellite earth antenna penetratesFrequently unit, TPU measuring unit, the power amplification unit and the processor unit that are connected with transmitting antenna, described processor unitComprise processor, on described processor, be integrated with satellite navigation baseband processing module, ADC converter and radio communication modulation mouldPiece, described satellite navigation baseband processing module is connected with satellite navigation radio frequency unit, and described ADC converter and TPU measure singleUnit connects, and described radio communication modulation module is connected with power amplification unit; Described processor unit is used for receiving satellite navigation and penetratesThe digital medium-frequency signal of unit output frequently, the processing and the base band that complete satellite navigation digital medium-frequency signal are resolved, and obtain position, speedThe navigation informations such as degree, time complete the signal acquisition process to the temperature from TPU measuring unit, air pressure and humidity simultaneously,Obtain the TPU information such as real-time temperature, air pressure and humidity, and complete coding and the modulation of satellite navigation information and TPU information,Wireless signal after modulation is sent to power amplification unit, and the wireless signal after power amplification is given by transmission antennas transmitGround installation.
Described processor includes but not limited to the processors such as ARM, MIPS, DSP, FPGA or MCU.
Described processor comprises CPU and conventional peripheral interface and/or memory, described conventional peripheral interface refer to USB, SPI, IIC,UART, GPIO etc.
On described processor, integrated satellite navigation baseband processing module is single mode baseband processing module or multimode Base-Band Processing mouldPiece.
The wireless signal that on described processor, integrated radio communication modulation module is modulated comprises pattern-band wireless signal or L rippleSection wireless signal or other can be used for carrying out the wireless signal of meteorological sounding transfer of data.
The amplification of the signal of telecommunication that described satellite navigation radio frequency unit has been used for being changed by satellite earth antenna, filtering, down coversion andAnalog-to-digital conversion, output digital medium-frequency signal; Described satellite navigation radio frequency unit comprises that a road satellite navigation radio frequency unit or multichannel defendStar navigation radio frequency unit, a described road satellite navigation radio frequency unit is exported a railway digital intermediate-freuqncy signal, and described multiple-link satellite navigation is penetratedFrequently unit output multi-channel digital medium-frequency signal.
Described TPU measuring unit comprises temperature sensor, baroceptor and humidity sensor.
The applied satellite navigation system of described integrated satellite navigation meteorological sounding system comprises the gps system of the U.S., RussiaGLONASS system, the dipper system of China, the GALILEO system in Europe, and the new satellite that later may occurThe combination of one or more in navigation system.
Technique effect of the present invention:
The integrated satellite navigation meteorological sounding system of one provided by the invention, only adopts a processor, by satellite navigation base band placeReason module, ADC converter, radio communication modulation module and CPU, memory and conventional peripheral interface are all integrated in same placeOn reason device, can realize satellite navigation Base-Band Processing simultaneously and resolve, TPU data acquisition process and radio communication control. Like this,Both reduced the quantity of processor, effectively reduced the complexity of satellite navigation meteorological sounding system, saved between processorSerial ports transmission link, has improved the efficiency of data processing, has saved again space, has reduced volume, has reduced cost and power consumption.
The processor that the integrated satellite navigation meteorological sounding system of the present invention adopts, can take integrated mode flexibly, processesOn device, be integrated with satellite navigation baseband processing module, ADC converter, radio communication modulation module, CPU, memory and conventionalPeripheral interface, can also integrated other modules relevant with satellite navigation meteorological sounding, as satellite navigation radio-frequency module etc.; Except CPUAnd outside conventional peripheral interface, whether other parts can be selected integrated.
Brief description of the drawings
Fig. 1 is satellite navigation meteorological sounding system composition structural representation.
Fig. 2 is existing modularization satellite navigation meteorological sounding system theory of constitution schematic diagram.
Fig. 3 is integrated satellite navigation meteorological sounding system theory of constitution schematic diagram of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the invention are described in further detail.
As shown in Figure 3, be integrated satellite navigation meteorological sounding system theory of constitution schematic diagram of the present invention. Comprise and satellite receptionThe satellite navigation radio frequency unit, TPU measuring unit that antenna connects, power amplification unit and the processor being connected with transmitting antennaUnit, processor unit comprises processor, is integrated with satellite navigation baseband processing module, ADC converter and nothing on processorLine communication modulation module, satellite navigation baseband processing module is connected with satellite navigation radio frequency unit, and ADC converter and TPU surveyAmount unit connects, and radio communication modulation module is connected with power amplification unit; Described processor unit is used for receiving satellite navigation and penetratesThe digital medium-frequency signal of unit output frequently, the processing and the base band that complete satellite navigation digital medium-frequency signal are resolved, and obtain position, speedThe navigation informations such as degree, time complete the signal acquisition process to the temperature from TPU measuring unit, air pressure and humidity simultaneously,Obtain the TPU information such as real-time temperature, air pressure and humidity, and complete coding and the modulation of navigation information and TPU information, willWireless signal after modulation sends to power amplification unit, and the wireless signal after power amplification gives ground by transmission antennas transmitFace equipment.
Amplification, filtering, the down coversion of the signal of telecommunication that wherein, satellite navigation radio frequency unit has been used for being changed by satellite earth antennaAnd analog-to-digital conversion, output digital medium-frequency signal, can Shi Yi road satellite navigation radio frequency unit or multiple-link satellite navigation radio frequency unit,One tunnel satellite navigation radio frequency unit is exported a railway digital intermediate-freuqncy signal, multiple-link satellite navigation radio frequency unit output multi-channel digital intermediate frequency letterNumber; TPU measuring unit comprises temperature sensor, baroceptor and humidity sensor, exports temperature, the gas at different elevations placePress and humidity information.
Processor in processor unit of the present invention is the integrated chip of high integration, including but not limited to integrated satellite navigationBaseband processing module, ADC converter, radio communication modulation module, CPU, memory and conventional peripheral interface, all rightIntegrated other modules relevant with satellite navigation meteorological sounding, as satellite navigation radio-frequency module etc.; Can take integrated side flexiblyFormula,, except CPU and conventional peripheral interface, whether other parts can be selected integrated. Described processor includes but not limited toVarious types of processors such as ARM, MIPS, DSP, FPGA or MCU; Described processor comprises CPU and conventional peripheralInterface and/or memory, described conventional peripheral interface refers to USB, SPI, IIC, UART, GPIO etc. All right on processorIntegrated other modules relevant with satellite navigation meteorological sounding system, as satellite navigation radio-frequency module. Integrated satellite on processorNavigation baseband processing module is single mode baseband processing module or multimode baseband processing module; Radio communication integrated on processor is adjustedThe wireless signal that molding piece is modulated comprises that pattern-band wireless signal or L-band wireless signal or other can be used for carrying out meteorology and visitThe wireless communication signals of empty transfer of data.
The applied satellite navigation system of integrated satellite navigation meteorological sounding system of the present invention comprises the gps system of the U.S., Russia sieveThis GLONASS system, the dipper system of China, the GALILEO system in Europe, and new the defending that later may occurThe combination of one or more in star navigation system.
It should be pointed out that the above detailed description of the invention can make the invention of those skilled in the art's comprehend,But do not limit the present invention in any way creation. Therefore, although this description and embodiment have carried out to the invention in detailExplanation, still, it will be appreciated by those skilled in the art that still and can modify or be equal to replacement the invention;And all do not depart from technical scheme and the improvement thereof of the spirit and scope of the invention, it is all encompassed in the invention patentIn the middle of protection domain.
Claims (8)
1. an integrated satellite navigation meteorological sounding system, is characterized in that, comprises the satellite navigation being connected with satellite earth antennaRadio frequency unit, TPU measuring unit, the power amplification unit and the processor unit that are connected with transmitting antenna, described processor listUnit comprises processor, and described processor is integrated integrated chip, is integrated with satellite navigation Base-Band Processing mould on described processorPiece, ADC converter and radio communication modulation module, described satellite navigation baseband processing module and satellite navigation radio frequency unit connectConnect, described ADC converter is connected with TPU measuring unit, and described radio communication modulation module is connected with power amplification unit;Described processor unit, for receiving the digital medium-frequency signal of satellite navigation radio frequency unit output, completes satellite navigation digital intermediate frequency letterNumber processing and base band resolve, obtain the navigation information of position, speed, time, complete from TPU measuring unit simultaneouslyThe signal acquisition process of temperature, air pressure and humidity, obtains the TPU information of real-time temperature, air pressure and humidity, and completes satelliteThe coding of navigation information and TPU information and modulation, send to power amplification unit by the wireless signal after modulation, puts through overpowerWireless signal after large by transmission antennas transmit to ground installation.
2. integrated satellite navigation meteorological sounding system according to claim 1, is characterized in that, described processor comprisesARM, MIPS, DSP, FPGA or MCU.
3. integrated satellite navigation meteorological sounding system according to claim 1, is characterized in that, described processor comprises CPUAnd conventional peripheral interface and/or memory, described conventional peripheral interface refers to USB, SPI, IIC, UART, GPIO.
4. integrated satellite navigation meteorological sounding system according to claim 1, is characterized in that, described processor institute is integratedSatellite navigation baseband processing module be single mode baseband processing module or multimode baseband processing module.
5. integrated satellite navigation meteorological sounding system according to claim 1, is characterized in that, described processor institute is integratedThe wireless signal modulated of radio communication modulation module comprise pattern-band wireless signal or L-band wireless signal.
6. integrated satellite navigation meteorological sounding system according to claim 1, is characterized in that, described satellite navigation radio frequencyAmplification, filtering, down coversion and the analog-to-digital conversion of the signal of telecommunication that unit has been used for being changed by satellite earth antenna, in output numeralFrequently signal; Described satellite navigation radio frequency unit comprises a road satellite navigation radio frequency unit or multiple-link satellite navigation radio frequency unit, described inOne tunnel satellite navigation radio frequency unit is exported a railway digital intermediate-freuqncy signal, in described multiple-link satellite navigation radio frequency unit output multi-channel numeralFrequently signal.
7. integrated satellite navigation meteorological sounding system according to claim 1, is characterized in that, described TPU measuring unitComprise temperature sensor, baroceptor and humidity sensor.
8. according to the integrated satellite navigation meteorological sounding system one of claim 1 to 7 Suo Shu, it is characterized in that, described integratedChange the gps system that the applied satellite navigation system of satellite navigation meteorological sounding system comprises the U.S., Russian GLONASS system,The dipper system of China, the combination of one or more of the GALILEO system in Europe.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210371829.3A CN102890295B (en) | 2012-09-28 | 2012-09-28 | A kind of integrated satellite navigation meteorological sounding system |
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| CN201210371829.3A CN102890295B (en) | 2012-09-28 | 2012-09-28 | A kind of integrated satellite navigation meteorological sounding system |
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| CN102890295A CN102890295A (en) | 2013-01-23 |
| CN102890295B true CN102890295B (en) | 2016-05-04 |
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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 |
| CN113406727B (en) * | 2021-08-18 | 2024-04-16 | 中国气象局气象探测中心 | Special chip module for vapor treatment weather |
| CN114002758B (en) * | 2021-11-05 | 2022-06-24 | 北京航天驭星科技有限公司 | Sonde transceiver |
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