CN205333069U - Integrative industry control device based on GNSS reflected signal surveys ocean parameter - Google Patents
Integrative industry control device based on GNSS reflected signal surveys ocean parameter Download PDFInfo
- Publication number
- CN205333069U CN205333069U CN201520872011.9U CN201520872011U CN205333069U CN 205333069 U CN205333069 U CN 205333069U CN 201520872011 U CN201520872011 U CN 201520872011U CN 205333069 U CN205333069 U CN 205333069U
- Authority
- CN
- China
- Prior art keywords
- signal
- radio frequency
- industrial computer
- reflected signal
- frequency
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Position Fixing By Use Of Radio Waves (AREA)
Abstract
The utility model discloses an integrative industry control device based on GNSS reflected signal surveys ocean parameter, its characterized in that includes, received signal antenna group (1), solar energy power supply unit (2), the integrative industrial computer (3) of signal and information processing, received signal antenna group (1) receive the navigation satellite transmission the direct signal and by the reflected signal of sea surface reflection, signal and information processing integrative industrial computer (3) be correlated with operation and inverting to the direct signal and are obtained the ocean parameter with reflected signal, signal and information processing an organic whole industrial computer (3) have standard information transmission modules, save to remote control terminal through the real -time ocean parameter transmission with the inverting of standard information transmission modules.
Description
Technical field
This utility model relates to a kind of one industry control device detecting ocean wave parameter based on GNSS reflected signal, specifically, refers to that first passing through a dextrorotation antenna and left-handed antenna receives GNSS direct projection, signal through marine reflection；Then pass through radio frequency, Base-Band Processing obtains GNSS direct projection, reflected signal complex correlation value, and utilizes complex correlation value to carry out the inverting of ocean wave parameter。
Background technology
Utilizing the inverting that GNSS (GlobalNavigationSatelliteSystem) reflected signal carries out ocean wave parameter is one of the novel means in ocean remote sensing field, it it is a kind of passive passive detection mode, there is weight of equipment light, the advantages such as volume is little, entering 20 years, obtain the extensive concern of Chinese scholars。This technology Basic Mechanism is navigation signal when experiencing marine reflection, and signal characteristic changes, and extracts the signal characteristic changed by sea carry out ocean wave parameter inverting by receiving, process device。
The reception of GNSS reflected signal, process device are one of key technologies of GNSS reflected signal technology, and the difference according to configuration platform and detection environment can be divided into continental rise, bank base, airborne and spaceborne device, different devices, have different designs and require and standard。For the marine exploration of current domestic GNSS reflected signal, the application of bank based devices is the most ripe and extensive, and the ocean wave parameter especially with Big Dipper GEO reflected signal detects。
But, existing device has following deficiency: 1) installation environment is confined to observation station, and the severe wild environment for off-lying sea bank or unmanned island is not supported；2) inverting data are confined to on-the-spot storage and display, and remote transmission and storage for data are not supported；3) device control office is limited to field control, for remotely controlling not support。
Based on above-mentioned deficiency, the GNSS reflected signal ocean wave parameter detection system developing and developing the installation of a set of support wild environment, remote data transmission storage and remotely control seems very necessary, and the oceanographic observation of domestic off-lying sea bank or unmanned island is significant。
Utility model content
This utility model provides a kind of one industry control device detecting ocean wave parameter based on GNSS reflected signal, limits for solving device installation environment, data remote transmission and storage are not supported and device control office is limited to the problems such as field control。
Receive signal antenna group 1, solar powered unit 2, Signal and Information Processing one industrial computer 3, receive signal antenna group 1 and receive the direct signal of aeronautical satellite transmitting and by the reflected signal of sea surface reflection；Direct signal and reflected signal are carried out related operation inverting ocean wave parameter by Signal and Information Processing one industrial computer 3, Signal and Information Processing one industrial computer 3 has information transmission modular, the ocean wave parameter of inverting the be transferred to remote control terminal real-time by information transmission modular stores, information transmission modular has the function receiving control information, described related operation is controlled by Signal and Information Processing one industrial computer 3 according to the control information received, Signal and Information Processing one industrial computer 3 includes the first power splitter 31a and the second power splitter 31b, radio frequency daughter board 32, Base-Band Processing motherboard 33, industrial computer 34, Communication Card 35, one road GNSS direct signal is divided into three tunnel direct signal radio frequencies 1 by the first power splitter 31a, radio frequency 2 and radio frequency 3, one road GNSS reflected signal is divided into two-way reflected signal radio frequency 4 and radio frequency 5 by the second power splitter 31b, radio frequency daughter board 32 receives two-way direct projection radio frequency 2, radio frequency 3, two-way reflected signal radio frequency 4, radio frequency 5, pass through down coversion, filtering, automatic growth control, sampling and quantization, one road radio frequency 2 is become the GPSL1 digital medium-frequency signal of 2bit, radio frequency 3 becomes the Big Dipper B1 digital medium-frequency signal of 2bit, one road radio frequency 4 becomes the GPSL1 reflection digital intermediate-freuqncy signal of 2bit, radio frequency 5 becomes the Big Dipper B1 reflection digital intermediate-freuqncy signal of 2bit, radio frequency daughter board 32 is arranged on Base-Band Processing motherboard 33, and carry out with it data communication。
Base-Band Processing motherboard, including radio frequency basal seat area 338,339, UM220 navigation module 331, FPGA+DSP baseband processing unit 332, D type power interface 333, serial ports RS232 interface 334, network interface 335, USB interface 336, radio frequency basal seat area 338,339 is for fixed RF daughter board 32 and carries out data interaction；UM220 navigation module 331 is the navigation SOC supporting GPSL1 and Big Dipper B1 double frequency location, receives a road direct projection radiofrequency signal and positions, provides position, temporal information for whole device；FPGA+DSP baseband processing unit 332 passes through SPI configuration pin to being inserted in radio frequency basal seat area 338, radio frequency daughter board 32 in 339 slots configures, it is configured as radio frequency 1 correspondence and is output as GPSL1 direct projection digital medium-frequency signal, radio frequency 3 correspondence is output as Big Dipper B1 direct projection digital medium-frequency signal, radio frequency 2 correspondence is output as GPSL1 reflection digital intermediate-freuqncy signal, radio frequency 4 correspondence is output as Big Dipper B1 reflection digital intermediate-freuqncy signal, simultaneously, receive the intermediate frequency digital stream of radio frequency daughter board 32 output, carry out related operation and respectively obtain GPSL1 direct projection, reflected signal, Big Dipper direct projection, the complex correlation value of reflected signal, the input clock of whole unit is provided by radio frequency daughter board 32；D type power interface 333 is connected with solar powered unit 2, provides power supply for whole Base-Band Processing motherboard；USB interface 336 connects FPGA+DSP baseband processing unit 332 and industrial computer 34, complex correlation value is transferred to industrial computer 34 and receives the control information that industrial computer 34 transmits；Network interface 335 is as standby data transmission expansion interface。
Also including short wave communication antenna 4, Communication Card 35 is short wave communication board。
Correlator in FPGA arithmetical unit, judges the sign bit of data after multiplying including symbol judgement module h, amplitude judging module i, compiler j, accumulator k, symbol judgement module h by local carrier sign bit, local code and intermediate frequency data sign bit,
Amplitude judging module i judges the amplitude position of multiplication result according to local carrier amplitude position and intermediate frequency data sign bit, splices computing by position and realizes；The output of symbol judgement module h and amplitude judging module i is compiled as signed number by compiler j,
The multiplication result of 1ms is added up by accumulator k, obtains last correlation result。
Advantage of the present utility model and beneficial effect: this device adopts integrated design structure, have good closure, supports Long-range Data Transmission, is suitable to the observation of field extreme environment, observes for the edge seashore not easily built a station and island and providing convenience。
Accompanying drawing explanation
Accompanying drawing 1 is the system structure composed figure detecting ocean wave parameter integration industry control device based on GNSS reflected signal；
Accompanying drawing 2 is the structure composed figure of Signal and Information Processing one industrial computer；
Accompanying drawing 3 is base band signal process mother board layout figure；
Accompanying drawing 4 is FPGA+DSP baseband processing unit block diagram；
Accompanying drawing 5 is the correlator implementation block diagram in FPGA arithmetical unit；
Accompanying drawing 6 is the information processing block diagram of industrial computer；
Accompanying drawing 7 is flow chart during short wave communication board remote data transmission；
Accompanying drawing 8 is long-range control flow chart。
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail。
Fig. 1 is the system structure composed figure detecting ocean wave parameter integration industry control device (hereinafter referred to as device) based on GNSS reflected signal。As it is shown in figure 1, the device of present embodiment includes one receives signal antenna group 1, a solar powered unit 2, a Signal and Information Processing one industrial computer 3, a short wave communication antenna 4。
Reception signal antenna group 1, solar powered unit 2, Signal and Information Processing one industrial computer 3, short wave communication antenna 4 constitute the device of present embodiment, are arranged on off-lying sea bank or unmanned island。Receive signal antenna group 1 and receive the direct signal of GPS and the Big Dipper and by the reflected signal of sea surface reflection；Direct signal and reflected signal are carried out related operation by Signal and Information Processing one industrial computer 3 and inverting obtains ocean wave parameter, and are transferred to by ocean wave parameter by short wave communication antenna 4 and control terminal (not shown)。Short wave communication antenna 4 is transmitting antenna and reception antenna, and when receiving the control signal that control terminal sends, Signal and Information Processing one industrial computer 3 performs to control the long-range of terminal and controls。
Receive signal antenna group 1 and include a dextrorotation antenna 11 supporting GPSL1 and Big Dipper B1 dual-frequency point, a left-handed antenna 12 supporting GPSL1 and Big Dipper B1 dual-frequency point, an antenna mount 13。Dextrorotation antenna 11 receives GNSS direct signal, and electromagnetic signal is converted to voltage signal；Left-handed antenna 12 receives GNSS marine reflection signal, and electromagnetic signal is converted to voltage signal；Dextrorotation antenna 11 is fixed on its top and points to zenith direction by antenna mount 13, left-handed antenna 12 is fixed its top and with next segment distance (apart from adjustable) and points to direction, ocean (direction is adjustable)。Receiving signal antenna group 1 to be connected with Signal and Information Processing one industrial computer 3 by signal cable, the direct signal received and reflected signal are input to Signal and Information Processing one industrial computer 3 by signal cable。
Solar powered unit 2 includes a solar panel 21, a controller 22, an accumulator 23。Solar panel 21 is fixed in the middle part of antenna mount 13, points to and shines upon direction, receives solar energy and is converted into electric energy；Controller 22 controls the duty of whole solar powered unit 2 and the additives for overcharge protection of accumulator 23；When sunny, Signal and Information Processing one industrial computer 3 is powered by solar panel 21, while accumulator 23 is charged, by accumulator 23 by unnecessary electric energy storage, when without sunlight or sunlight deficiency, accumulator 23 powers for whole device。
Accompanying drawing 2 is the structure composed figure of Signal and Information Processing one industrial computer, including, the first power splitter 31a and the second power splitter 31b, 32, Base-Band Processing motherboard of a radio frequency daughter board, 34, short wave communication board 35 of 33, industrial computer。Signal and Information Processing one industrial computer 3 adopts integral structure, and each ingredient is packaged in an industry control cabinet, has good closure (waterproof and dustproof) and lightness, is adapted for mount on severe wild environment。
Signal and Information Processing one industrial computer 3 includes, one road GNSS direct signal is divided into three tunnel direct signal radio frequencies 1, radio frequency 2 and radio frequency 3 by the first power splitter 31a (power splitter 1), and a road GNSS reflected signal is divided into two-way reflected signal radio frequency 4 and radio frequency 5 by the second power splitter 31b (power splitter 2)。Radio frequency daughter board 32 receives two-way direct projection radio frequency 2, radio frequency 3, two-way reflected signal radio frequency 4, radio frequency 5, by down coversion, filtering, automatic growth control, sampling and quantization, one road radio frequency 2 is become the GPSL1 digital medium-frequency signal of 2bit, radio frequency 3 becomes the Big Dipper B1 digital medium-frequency signal of 2bit, one road radio frequency 4 becomes the GPSL1 reflection digital intermediate-freuqncy signal of 2bit, and radio frequency 5 becomes the Big Dipper B1 reflection digital intermediate-freuqncy signal of 2bit。Radio frequency daughter board 32 is fixed on Base-Band Processing motherboard 33 by the contact pin of two 2 × 8pin, and carries out with it data communication。
Accompanying drawing 3 is Base-Band Processing mother board layout figure, including 338,339, UM220 navigation module 331 of two radio frequency basal seat areas, one FPGA+DSP baseband processing unit 332, one D type power interface 333, one serial ports RS232 interface 334, one network interface 335, a USB2.0 interface 336,5 screw fixing holes 337 (one of them is not shown)。Radio frequency basal seat area 338,339 is provided which the slot of two 2 × 8pin, and for fixed RF daughter board 32 and carry out data interaction, one of them radio frequency basal seat area is conventional, and another is as standby, applies when follow-up system extends；UM220 navigation module 331 is a navigation SOC supporting GPSL1 and Big Dipper B1 double frequency location, receives a road direct projection radiofrequency signal and positions, provides position, temporal information for whole device；FPGA+DSP baseband processing unit 332 passes through SPI configuration pin to being inserted in radio frequency basal seat area 338, or the radio frequency daughter board 32 that 339 in slot configures, it is configured as radio frequency 1 correspondence and is output as GPSL1 direct projection digital medium-frequency signal, radio frequency 3 correspondence is output as Big Dipper B1 direct projection digital medium-frequency signal, radio frequency 2 correspondence is output as GPSL1 reflection digital intermediate-freuqncy signal, radio frequency 4 correspondence is output as Big Dipper B1 reflection digital intermediate-freuqncy signal, simultaneously, receive the intermediate frequency digital stream of radio frequency daughter board 32 output, carry out related operation and respectively obtain GPSL1 direct projection, reflected signal, Big Dipper direct projection, the complex correlation value of reflected signal, the input clock of whole unit is provided by radio frequency daughter board 32；D type power interface 333 is connected with solar powered unit 2, provides 12V voltage for whole Base-Band Processing motherboard；USB2.0 interface 336 connects FPGA+DSP baseband processing unit 332 and industrial computer 34, complex correlation value is transferred to industrial computer 34 and receives the control information that industrial computer 34 transmits；Network interface 335 is as standby data transmission expansion interface；5 screw fixing holes are for being fixed on whole baseband signal motherboard in industry control cabinet。
Accompanying drawing 4 is FPGA+DSP baseband processing unit block diagram。FPGA+DSP baseband processing unit 332 includes two SDRAM buffer memory a, b, FPGA c arithmetical unit, a dsp controller d, a FLASH memory e, a Data Transmission Controlling f。The intermediate frequency data that radio frequency daughter board 32 is exported by two SDRAM buffer memory a, b flows to row cache, adopting alternate access pattern, namely SDRAM1 carries out intermediate frequency data when depositing operation, and SDRAM2 carries out the write operation of intermediate frequency data, alt time is 1ms, and accessing operation is realized by the IP kernel of FPGA；FPGA c arithmetical unit is made up of a series of correlators, mainly complete the related operation of four railway digital intermediate-freuqncy signals and local signal, in implementation, in order to save hardware resource, adopt time division multiplexing on the one hand, namely by 10 times of the computing dominant frequency of the IP kernel raising FPGA of FPGA to input clock frequency, within the different process cycles, four railway digital intermediate-freuqncy signals are carried out from the local signal of different code phases or frequency related operation, on the other hand with or computing replace multiplying。
The correlator that accompanying drawing 5 is in FPGA arithmetical unit realizes block diagram, including a symbol judgement module h, an amplitude judging module i, compiler (coding) j, an accumulator k。Symbol judgement module h judges the sign bit of data after multiplying by local carrier sign bit, local code and intermediate frequency data sign bit, it it is the process of a continuous XOR, i.e. local carrier sign bit local code intermediate frequency data sign bit, wherein, representing XOR symbol, concrete mapping relations are:
Amplitude judging module i is the amplitude position judging multiplication result according to local carrier amplitude position and intermediate frequency data sign bit, splices computing by position and realizes, i.e. amplitude position={ local carrier amplitude position intermediate frequency data sign bit }；The output of symbol judgement module h and amplitude judging module i is compiled as signed number by compiler j, and concrete mapping relations are:
The multiplication result of 1ms is added up by accumulator k, obtains last correlation result。
In figure 4, first dsp controller d judges whether to the satellite-signal processed according to the control information of industrial computer 34 transmission, FPGA correlator is configured, make the code that local code is respective satellite produced in correlator, secondly to GNSS direct projection, the related operation of reflected signal is controlled, realize different disposal purpose, namely catching and Closed loop track of direct signal is realized, obtain accurate direct signal code phase and carrier Doppler frequency, realize the open-loop tracking of reflected signal, obtain one-dimensional time delay complex correlation value, it is connected by 32bitEMIF (ExternalMemoryInterface) with FPGA c arithmetical unit。FLASH memory e, for storing the operation program of dsp controller d, is connected by 8bitEMIF with dsp controller d。Data Transmission Controlling f is for controlling the data interaction between FPGA c arithmetical unit and industrial computer 34, complex correlation value is uploaded to industrial computer 34 by Data Transmission Controlling f and carries out follow-up information processing by one side FPGA c arithmetical unit, industrial computer 34 will pass to FPGA c arithmetical unit under control information on the other hand, and produces to control the control instruction of FPGA c arithmetical unit in dsp controller d。In the present embodiment, the control information in industrial computer 34 produces when comprising operation program control information, by the field control information of touch screen V input on industrial computer panel, control data stream (remote control information) that inputted by short wave communication。
Industrial computer 34 adopts existing industrial computer, namely adopt bus structures that Base-Band Processing motherboard 33 and short wave communication board 35 are controlled, there is computer CPU, hard disk, internal memory, peripheral hardware and interface, and have operating system, man machine interface, control network and agreement。Casing adopts all steel casing, machine card press strip drainage screen to have the performance such as antidetonation, dust-proof, resistance to high/low epidemic disaster, is suitable for the use of the field extreme environments such as edge seashore and island。USB2.0 interface 336, serial ports RS232 in Base-Band Processing motherboard are connected respectively through the interface of data wire with industrial computer 34, and short wave communication board 35 is inserted in the draw-in groove in industrial computer 34。First power splitter 31a and the second power splitter 31b, radio frequency daughter board 32, Base-Band Processing motherboard 33 may also be arranged in the casing of industrial computer 34。
Accompanying drawing 6 is the information processing block diagram in industrial computer with this utility model relevant portion, industrial computer 34 includes reading USB module m, sensitive parameter extraction module n, inverting module p, read serial port module q, select star module r, compensation of delay computing module s, data packing block t, controls information package module u。Read USB module m and read the FPGA complex correlation value that arithmetical unit, c uploaded FPGA+DSP baseband processing unit 332 from USB2.0 interface 336；Sensitive parameter extraction module n extracts the characteristic parameter to sea parameter sensitivity from complex correlation value；Inverting module p utilizes sensitive parameter to obtain ocean wave parameter by special inverse model, including the inverting of wind speed, wind direction, significant wave height and sea level height；Read the navigation information that serial port module q is the NMEA0183 form reading UM220 navigation module 331 from serial ports RS232；Selecting star module r is the selection carrying out processing satellite-signal according to the azimuth in navigation information, elevation angle, carrier-to-noise ratio and antenna installation information；Compensation of delay computing module s is the reflected signal path delay relative to direct signal estimating selected satellite according to carrying platform height and elevation angle；Inversion result, navigation information, data frame head are packed by data packing block t according to certain data protocol；Control information package module u the control information produced in industrial computer 34, the field control information of touch screen v input and the short wave communication that receives are controlled data stream and packed according to certain data protocol。After the short wave communication inverting data stream that data packing block t is packed into is modulated by the short wave communication board 35 in industrial computer 3, sent by short wave communication antenna 4, controlled end (such as information centre) reception storage by arranging the far-end being configured to away from device。Control the information package module u control information being packed into and be input to FPGA+DSP baseband processing unit 332 by USB2.0 interface 336, under the control of data transmission control module f, be input to FPGA c arithmetical unit。
Control information includes making dsp controller d to judge whether to the satellite-signal processed, and FPGA correlator is configured, makes the information of the code that local code is respective satellite produced in correlator, the information that the related operation of GNSS direct projection, reflected signal is controlled。
Accompanying drawing 7 is flow chart during short wave communication board remote data transmission, forms detecting step 10 including packet, and previous moment data are sent completely detecting step 12, data pack buffer step 14, data modulation step 16, and step of transmitting 18 forms。Packet forms detecting step 10 and is used for detecting whether packet is formed, if being formed without, then continues detection, until packet is formed。After detecting that packet is formed, enter step 12。
Previous moment data are sent whether detecting step 12 is sent mainly for detection of the packet of previous moment, if not being sent, then in step 14, the packet of current time is carried out buffer memory, etc. to be sent, and continue detection previous moment packet transmission situation, until previous moment packet is sent。After previous moment packet is sent, enter step 16。
Data modulation step 16 is to be modulated at by packet on the shortwave being easy to send, and is formed and sends voltage signal。Forwarding step 18 is that the voltage signal that will be sent by short wave communication antenna 4 is converted to electromagnetic wave signal and transmits into space channel and carry out data transmission。
Accompanying drawing 8 is long-range control flow chart, holds flow process two parts including remote control terminal flow process with locally executing。Remote control terminal includes instruction input, and instruction is formed, and modulation sends composition。Instruction input step 20 is according to controlling wish from controlling interface input control instruction。Instruction forming step is to be digital information according to cryptoprinciple by compiling of instruction by input。Modulation step 24 be by compiling after command information be modulated on shortwave, formed send instruction voltage signal。Forwarding step 26 is that the voltage signal that will send with short wave communication antenna is converted to electromagnetic wave signal and transmission to space channel is transmitted。
Locally executing end to include receiving, demodulation, instruction resolves, and instruction performs composition。Receiving step 28 is to be converted to voltage signal by sending the electromagnetic wave short wave communication antenna 4 come。Demodulation step 30 is, by short wave communication board 35, voltage signal is gone carrier modulation, extracts useful command information。Instruction analyzing step 32 is that command information resolves to concrete instruction。It is complete corresponding control task according to specific instruction that instruction performs step 34, as, dsp controller d is made to judge whether to the satellite-signal processed, FPGA correlator is configured, make the information of the code that local code is respective satellite produced in correlator, the related operation of GNSS direct projection, reflected signal is controlled。
Above by embodiment, this utility model is illustrated, by embodiment it can be seen that in this utility model, device can not only be arranged on the edge seashore not having power supply etc. not easily to build a station and island, also support Long-range Data Transmission, for the providing convenience of collection of data。The mode at once sent after having packed due to employing on data are transmitted, it is not necessary to memorizer is set for storage data, not only reduces cost, moreover it is possible to real-time acquisition sea information。
And owing to supporting long-range control, device can be controlled at any time, decrease workload at the scene, improve ease of use。
Especially, in this utility model, processing after Base-Band Processing motherboard 33 adopts the mode that industrial computer can be utilized to process, and makes the utilization of industrial computer be possibly realized。The utilization of industrial computer not only reduces the cost of device, and its high reliability also ensure that carrying out oceanographic observation at off-lying sea bank or unmanned island can persistently carry out, and reduces maintenance cost。
Due to the extraction of sensitive parameter with select star to be undertaken by industrial computer 34, device of the present utility model can not only on-the-spot and remotely control, it is possible to suitable in various different inverse models with select star。Compared with can only processing specific inverse model and select the special purpose device of star, use more flexible, be particularly suitable for carrying out oceanographic observation at off-lying sea bank or unmanned island。
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all within spirit of the present utility model and principle, any amendment of being made, equivalent replacement, improvement etc., in embodiment, the transmission of information adopts short wave communication but it also may use other communication networks such as 4G；Navigation system make use of GPS and the Big Dipper but it also may utilizing any navigation system that can produce reflected signal on sea, this deformation should be included within protection domain of the present utility model。
Claims (4)
1. the one industry control device detecting ocean wave parameter based on GNSS reflected signal, it is characterized in that including, receive signal antenna group (1), solar powered unit (2), Signal and Information Processing one industrial computer (3), receives signal antenna group (1) and receives the direct signal of aeronautical satellite transmitting and by the reflected signal of sea surface reflection；Direct signal and reflected signal are carried out related operation inverting ocean wave parameter by Signal and Information Processing one industrial computer (3), Signal and Information Processing one industrial computer (3) has information transmission modular, the ocean wave parameter of inverting the be transferred to remote control terminal real-time by information transmission modular stores, information transmission modular has the function receiving control information, described related operation is controlled by Signal and Information Processing one industrial computer (3) according to the control information received, Signal and Information Processing one industrial computer (3) includes the first power splitter (31a) and the second power splitter (31b), radio frequency daughter board (32), Base-Band Processing motherboard (33), industrial computer (34), Communication Card (35), one road GNSS direct signal is divided into three tunnel direct signal radio frequencies 1 by the first power splitter (31a), radio frequency 2 and radio frequency 3, one road GNSS reflected signal is divided into two-way reflected signal radio frequency 4 and radio frequency 5 by the second power splitter (31b), radio frequency daughter board (32) receives two-way direct projection radio frequency 2, radio frequency 3, two-way reflected signal radio frequency 4, radio frequency 5, pass through down coversion, filtering, automatic growth control, sampling and quantization, one road radio frequency 2 is become the GPSL1 digital medium-frequency signal of 2bit, radio frequency 3 becomes the Big Dipper B1 digital medium-frequency signal of 2bit, one road radio frequency 4 becomes the GPSL1 reflection digital intermediate-freuqncy signal of 2bit, radio frequency 5 becomes the Big Dipper B1 reflection digital intermediate-freuqncy signal of 2bit, radio frequency daughter board (32) is arranged on Base-Band Processing motherboard 33, and carry out with it data communication。
2. the one industry control device detecting ocean wave parameter based on GNSS reflected signal according to claim 1, it is characterized in that, Base-Band Processing motherboard, including radio frequency basal seat area (338,339), UM220 navigation module (331), FPGA+DSP baseband processing unit (332), D type power interface (333), serial ports RS232 interface (334), network interface (335), USB interface (336), radio frequency basal seat area (338,339) for fixed RF daughter board (32) and carries out data interaction；UM220 navigation module (331) is the navigation SOC supporting GPSL1 and Big Dipper B1 double frequency location, receives a road direct projection radiofrequency signal and positions, provides position, temporal information for whole device；FPGA+DSP baseband processing unit (332) by SPI configuration pin to being inserted in radio frequency basal seat area (338, 339) the radio frequency daughter board 32 in slot configures, it is configured as radio frequency 1 correspondence and is output as GPSL1 direct projection digital medium-frequency signal, radio frequency 3 correspondence is output as Big Dipper B1 direct projection digital medium-frequency signal, radio frequency 2 correspondence is output as GPSL1 reflection digital intermediate-freuqncy signal, radio frequency 4 correspondence is output as Big Dipper B1 reflection digital intermediate-freuqncy signal, simultaneously, receive the intermediate frequency digital stream of radio frequency daughter board 32 output, carry out related operation and respectively obtain GPSL1 direct projection, reflected signal, Big Dipper direct projection, the complex correlation value of reflected signal, the input clock of whole unit is provided by radio frequency daughter board 32；D type power interface (333) is connected with solar powered unit (2), provides power supply for whole Base-Band Processing motherboard；USB interface (336) connects FPGA+DSP baseband processing unit (332) and industrial computer (34), complex correlation value is transferred to industrial computer (34) and receives the control information that industrial computer (34) transmits；Network interface (335) is as standby data transmission expansion interface。
3. the one industry control device detecting ocean wave parameter based on GNSS reflected signal according to claim 2, it is characterised in that also including short wave communication antenna (4), Communication Card (35) is short wave communication board。
4. the one industry control device detecting ocean wave parameter based on GNSS reflected signal according to claim 3, it is characterized in that, correlator in FPGA arithmetical unit, including symbol judgement module (h), amplitude judging module (i), compiler (j), accumulator (k), symbol judgement module (h) judges the sign bit of data after multiplying by local carrier sign bit, local code and intermediate frequency data sign bit
Amplitude judging module (i) judges the amplitude position of multiplication result according to local carrier amplitude position and intermediate frequency data sign bit, splices computing by position and realizes；The output of symbol judgement module (h) He amplitude judging module (i) is compiled as signed number by compiler (j),
The multiplication result of 1ms is added up by accumulator (k), obtains last correlation result。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520872011.9U CN205333069U (en) | 2015-11-02 | 2015-11-02 | Integrative industry control device based on GNSS reflected signal surveys ocean parameter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520872011.9U CN205333069U (en) | 2015-11-02 | 2015-11-02 | Integrative industry control device based on GNSS reflected signal surveys ocean parameter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205333069U true CN205333069U (en) | 2016-06-22 |
Family
ID=56213201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520872011.9U Active CN205333069U (en) | 2015-11-02 | 2015-11-02 | Integrative industry control device based on GNSS reflected signal surveys ocean parameter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205333069U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105241431A (en) * | 2015-11-02 | 2016-01-13 | 北京航大泰科信息技术有限公司 | GNSS reflected signal based integrated industrial control apparatus for detecting marine parameters |
| CN113031015A (en) * | 2021-03-05 | 2021-06-25 | 北京航空航天大学 | Sea ice detection device and method based on GNSS-R carrier phase |
-
2015
- 2015-11-02 CN CN201520872011.9U patent/CN205333069U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105241431A (en) * | 2015-11-02 | 2016-01-13 | 北京航大泰科信息技术有限公司 | GNSS reflected signal based integrated industrial control apparatus for detecting marine parameters |
| CN113031015A (en) * | 2021-03-05 | 2021-06-25 | 北京航空航天大学 | Sea ice detection device and method based on GNSS-R carrier phase |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101833090B (en) | Airborne ocean microwave remote sensing system utilizing signal sources of global satellite positioning system | |
| CN104833988A (en) | Acquisition system and method for high data rate direct sequence spread spectrum signals under large Doppler dynamic condition | |
| CN103217608B (en) | Based on the light-duty synchronous phasor measurement all-in-one of embedded OS | |
| CN101614802A (en) | A kind of method for measuring navigation satellite attitude | |
| CN107123860A (en) | Antenna alignment apparatus and method | |
| CN102917063A (en) | Portable environment-friendly parameter acquiring device based on Beidou navigation system | |
| CN105241431B (en) | Integrated industry control device based on GNSS reflection signal detection ocean wave parameter | |
| CN205333069U (en) | Integrative industry control device based on GNSS reflected signal surveys ocean parameter | |
| CN109917429B (en) | Method and device for capturing B1C weak signals and computer storage medium | |
| CN103760552A (en) | Float type high-frequency ground wave radar | |
| CN109254262A (en) | A kind of localization method and system of intelligent mine lamp | |
| Hu et al. | LTrack: A LoRa-based indoor tracking system for mobile robots | |
| CN108802774A (en) | A kind of GPS navigation baseband system grade chip | |
| Shi et al. | Multipath Interference Analysis for Low-power RFID-Sensor under metal medium environment | |
| Margiani et al. | Angle of arrival and centimeter distance estimation on a smart UWB sensor node | |
| CN106093981A (en) | Circuit is captured based on the GPS optimizing parallel code phase search | |
| MX2008010827A (en) | Method and apparatus for code space search in a receiver. | |
| Goh et al. | IoT based indoor locating system (ILS) using bluetooth low energy (BLE) | |
| CN205139377U (en) | Location recovery unit of ocean beacon | |
| CN204652667U (en) | Based on the vessel position analysis application system of portable data acquisition terminal | |
| CN104914876A (en) | Beidou/GPS double-positioning satellite-finding control system having spectrum monitoring function and application method thereof | |
| CN201935687U (en) | Minitype engineering operation numerical map survey system | |
| CN202818389U (en) | Portable environmental protection parameter acquisition device based on Beidou positioning system | |
| Kaushik et al. | Integrated Sensing and Communications for IoT: Synergies with Key 6G Technology Enablers | |
| CN203070552U (en) | Large ship berthing system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |