CN106525081A - Portable detection calibration device and portable detection calibration method for satellite navigation landing system - Google Patents
Portable detection calibration device and portable detection calibration method for satellite navigation landing system Download PDFInfo
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- CN106525081A CN106525081A CN201611174046.0A CN201611174046A CN106525081A CN 106525081 A CN106525081 A CN 106525081A CN 201611174046 A CN201611174046 A CN 201611174046A CN 106525081 A CN106525081 A CN 106525081A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C25/00—Manufacturing, calibrating, cleaning, or repairing instruments or devices referred to in the other groups of this subclass
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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
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/13—Receivers
- G01S19/23—Testing, monitoring, correcting or calibrating of receiver elements
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- Manufacturing & Machinery (AREA)
- Computer Networks & Wireless Communication (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
- Radio Relay Systems (AREA)
Abstract
The invention provides a portable detection calibration device and a portable detection calibration method for a satellite navigation landing system. A satellite navigation receiving machine is used for receiving a signal of the satellite navigation system; a transmitting and receiving radio is used for realizing broadcasting of aerial messages of the satellite navigation landing system, receiving and analysis of the aerial messages; and a detection calibration processing unit realizes detection calibration processing capability according to a selected working mode, carries out single-point position calculation and calibration by using information output by the satellite navigation receiving machine unit, carries out position quick calibration by using carrier phase difference enhanced information broadcast by detection calibration equipment arranged at a known position, realizes difference positioning calculation by using information output by the satellite navigation receiving machine unit and difference enhanced information output by the transmitting and receiving radio and carries out outfield test on ground equipment of the satellite navigation system. According to the portable detection calibration device, the use is convenient, quick calibration of point position parameters and quick detection of the ground equipment can be realized and the period and cost of parameter calibration of the satellite navigation landing system and detection of the ground equipment can be effectively reduced.
Description
Technical field
The invention belongs to satellite navigation landing system, is related to GPS, COMPASS system, particularly a kind of satellite navigation is landed
The detection caliberating device of system and method, can be used for the position before satellite navigation landing system ground installation sets up and demarcate in advance and machine
The demarcation of field location parameter, the line detection of satellite navigation system ground equipment.
Background technology
Satellite navigation landing system is that a kind of aircraft based on satellite navigation system enhancing technology enters nearly landing navigation system.
Satellite navigation landing system includes satellite navigation system (space segment), ground installation (ground segment) and airborne equipment (airborne section).
Wherein：
Satellite navigation system (space segment)：Refer to that aeronautical satellite produces distance measuring signal, be sent to ground installation and airborne set
Standby system.
Ground installation (ground segment)：Strengthen data including multiple reference receivers, a data processor and a set of difference
Chain, according to satellite ranging signal and previously known reference receiver exact position calculate satellite pseudo range difference amendment data and
Carrier phase difference strengthens data, obtains system health information, most these Information encapsulations at last by integrity monitoring algorithm
Strengthen Data-Link into enhancement information message Jing difference to broadcast to airborne equipment.
Airborne equipment (airborne section)：The signal of reason satellite navigation system and ground installation transmitting is received and locates, output is pseudo-
Away from carrier phase differential positioning result and integrity warning information.
As satellite navigation local strengthens the continuous development of technology, satellite navigation landing system also progresses into practical application
Stage, and lack effective quick detection in satellite navigation landing system application at present and demarcate means, when to location position
Mapping demarcation can only be carried out using special mapping equipment, cost is higher, and the cycle is long；And to satellite navigation landing system
The detection of ground installation then can only be carried out by the way of flight check, and cost is very high.
The content of the invention
In order to overcome the deficiencies in the prior art, the present invention to provide a kind of portable inspectiont caliberating device, possess portable, convenient
The features such as use, position parameter Fast Calibration and a ground installation quick detection can be realized, effectively reduce satellite navigation landing system
The cycle and cost of system parameter calibration and ground installation detection.
The technical solution adopted for the present invention to solve the technical problems is：It is a kind of for the portable of satellite navigation landing system
Formula detects caliberating device, including：
Satellite navigation receiver unit and antenna element：For receiving satellite navigation signals, output navigation data is to detection
Demarcate processing unit；
Transmitting-receiving station units and antenna element：The satellite navigation landing system of processing unit output is demarcated for receiving detection
Difference enhancement information message is simultaneously broadcasted, or receives satellite navigation landing system difference enhancing signal, parsing output difference
Enhancement information is divided to demarcate processing unit to detection；
Display control unit：For showing that the state and data message of processing unit output are demarcated in detection, or will pass through
The control information and mode selecting information of human-computer interaction interface input is exported demarcates processing unit to detection；
Processing unit is demarcated in detection：The information exported using satellite navigation receiver unit carries out the position under the conditions of single-point
Demarcate；The Fast Calibration ability of reference point is realized using the carrier phase difference enhancement information that ground installation is broadcast；It is deployed in
Know that the location point information exported using satellite navigation receiver unit and the difference enhancement information for receiving and dispatching radio station output realize difference
Location Calculation, detects to ground installation current operating state.
The present invention also provides a kind of portable inspectiont scaling method for satellite navigation landing system, including following step
Suddenly：
(1) it is operated pattern using display control unit to select, mode of operation includes single locus demarcation, carrier phase
Differential position is demarcated and ground installation outfield is detected；
(2) under single locus staking-out work pattern：
(2a) satellite navigation receiver and antenna element receive satellite-signal, and measurement in real time obtains navigation data, export to
Processing unit is demarcated in detection；
(2b) detection is demarcated processing unit and completes the calculating of smoothing the phase of carrier wave code pseudorange One-Point Location, and result of calculation is entered
Row smothing filtering and error statistics are processed, and obtain the location parameter statistical value of point position to be calibrated；
(2c) detection is demarcated processing unit and the coordinate statistical value output for generating is shown to display control unit, and recorded
In local file；
(3) under carrier phase difference location position mode of operation：
(3a) satellite navigation receiver and antenna element receive satellite-signal, and measurement in real time obtains navigation data, export to
Processing unit is demarcated in detection；
(3b) receive and dispatch radio station and antenna element receives difference and strengthens signal, real time parsing obtains difference enhancement information, exports
Processing unit is demarcated to detection；
(3c) the carrier phase differential positioning calculating that detection is demarcated under the conditions of processing unit completes double frequency, and to result of calculation
Carry out smothing filtering and error statistics are processed, obtain the statistical value of position coordinates；
(3d) detection is demarcated processing unit and the coordinate statistical value output for generating is shown to display control unit, and recorded
In local file；
(4) under ground installation outfield detection mode of operation：
(4a) satellite navigation receiver and antenna element receive satellite-signal, and measurement in real time obtains navigation data, export to
Processing unit is demarcated in detection；
(4b) receive and dispatch radio station and antenna element receives the difference enhancing signal of ground installation broadcast, real time parsing obtains difference
Enhancement information, exports and demarcates processing unit to detection；
(4c) detection is demarcated processing unit simulation airborne equipment and completes pseudo range difference location Calculation, carrier wave phase in each epoch
Potential difference point location Calculation, records the positioning result of all epoch in setting time, by positioning result and the advance exact value demarcated
It is analyzed, obtains the statistical error of position coordinates and contrasted with permissible error, differentiate the availability of ground installation；
(4d) the ground installation availability display processing that differentiation is obtained by processing unit is demarcated in detection, when ground installation judges
For it is unavailable when carry out alarm prompt.
The invention has the beneficial effects as follows：Possess quick, flexible location position ability, can be to periodically mark be needed in airport
Fixed location point carries out convenient demarcation process, lifts the safety in operation of satellite navigation landing system.
Possess convenient, sensitive satellite navigation landing system ground installation detectability, can be quickly to ground installation
Working condition carry out it is short-period inspection and test to determine equipment working state, be also used as performance monitoring deployed with devices in
Airport fixing point position, carries out real-time performance monitoring to ground equipment working state, finds failure condition in time, shortens failure announcement
The alert time, effectively improve the surveillance coverage of the precision to system service, integrity, continuity and availability.
Description of the drawings
Fig. 1 is the structured flowchart of the present invention；
Fig. 2 is the structured flowchart that processing unit is demarcated in present invention detection；
Fig. 3 is the transmission relation figure of the present invention；
Fig. 4 is method of the present invention schematic flow sheet；
Fig. 5 is the single locus staking-out work schematic flow sheet in the inventive method；
Fig. 6 is the carrier phase difference location position workflow schematic diagram in the inventive method；
Fig. 7 is the ground installation outfield detection workflow schematic diagram in the inventive method.
Specific embodiment
The present invention is further described with reference to the accompanying drawings and examples, and the present invention includes but are not limited to following enforcements
Example.
Provided by the present invention for the portable inspectiont caliberating device of satellite navigation landing system, including：
Satellite navigation receiver unit and antenna element：For receiving satellite navigation signals, output navigation data is to detection
Demarcate processing unit；
Transmitting-receiving station units and antenna element：The satellite navigation landing system of processing unit output is demarcated for receiving detection
Difference enhancement information message is simultaneously broadcasted, or receives satellite navigation landing system difference enhancing signal, parsing output difference
Enhancement information is divided to demarcate processing unit to detection；
Display control unit：For showing that the state and data message of processing unit output are demarcated in detection, or will pass through
The control information and mode selecting information of human-computer interaction interface input is exported demarcates processing unit to detection；
Processing unit is demarcated in detection：According to the mode of operation set by display control unit, realize that three kinds of detections are demarcated
Disposal ability：1) information exported using satellite navigation receiver unit carries out the location position under the conditions of single-point；2) using ground
The carrier phase difference enhancement information that face equipment is broadcast realizes the Fast Calibration ability of reference point；3) it is deployed in known location point profit
The information exported with satellite navigation receiver unit and the difference enhancement information of transmitting-receiving radio station output realize that Differential positioning is calculated, right
Ground installation current operating state is detected；
Power source combination unit：Using power supply process and batteries constitute power source combination unit, realize externally fed open/
The seamless switching of pass and without the continuation of the journey detectability under the conditions of externally fed.
Described navigation data includes range finding source pseudorange, ephemeris, almanac and satellite clock correction.
Described satellite navigation landing system difference enhancement information includes that pseudo range difference amendment data, carrier phase difference are repaiied
Correction data, integrity information.
The position data includes longitude, latitude and height.
For achieving the above object, the side demarcated provided by the present invention for the portable inspectiont of satellite navigation landing system
Method, comprises the following steps：
(1) it is operated pattern using display control unit to select, mode of operation is divided into three kinds：1) single locus are demarcated；
2) carrier phase difference location position；3) ground installation outfield detection；
(2) under single locus staking-out work pattern：
(2a) satellite navigation receiver unit and antenna element receive satellite-signal, and measurement in real time obtains navigation data, defeated
Go out processing unit is demarcated to detection；
(2b) detection is demarcated processing unit and completes the calculating of smoothing the phase of carrier wave code pseudorange One-Point Location, and result of calculation is entered
Row smothing filtering and error statistics are processed, and obtain the location parameter statistical value of point position to be calibrated；
(2c) detection is demarcated processing unit and the coordinate statistical value output for generating is shown to display control unit, and recorded
In local file；
(3) under carrier phase difference location position mode of operation：
(3a) satellite navigation receiver unit and antenna element receive satellite-signal, and measurement in real time obtains navigation data, defeated
Go out processing unit is demarcated to detection；
(3b) station units are received and dispatched and antenna element receive difference and strengthens signal, real time parsing obtains difference enhancement information,
Export processing unit is demarcated to detection；
(3c) the carrier phase differential positioning calculating that detection is demarcated under the conditions of processing unit completes double frequency, and to result of calculation
Carry out smothing filtering and error statistics are processed, obtain the statistical value of position coordinates；
(3d) detection is demarcated processing unit and the coordinate statistical value output for generating is shown to display control unit, and recorded
In local file；
(4) under ground installation outfield detection mode of operation：
(4a) satellite navigation receiver unit and antenna element receive satellite-signal, and measurement in real time obtains navigation data, defeated
Go out processing unit is demarcated to detection；
(4b) station units are received and dispatched and antenna element receives the difference enhancing signal of ground installation broadcast, real time parsing is obtained
Difference enhancement information, exports and demarcates processing unit to detection；
(4c) detection is demarcated processing unit simulation airborne equipment and completes pseudo range difference location Calculation, carrier wave phase in each epoch
Potential difference point location Calculation, the positioning result of all epoch in record a period of time, by positioning result and the advance exact value demarcated
It is analyzed, obtains the statistical error of position coordinates and contrasted with permissible error, differentiate the availability of ground installation；
(4d) the ground installation availability display processing that differentiation is obtained by processing unit is demarcated in detection, when ground installation judges
For it is unavailable when carry out alarm prompt.
Satellite navigation landing system involved by embodiments of the invention includes that satellite navigation system (space segment), ground set
Standby (ground segment) and airborne equipment (airborne section).Satellite navigation system produces distance measuring signal, is sent to ground installation and airborne sets
Standby system.Ground installation calculates the pseudorange of satellite according to satellite ranging signal and previously known reference receiver exact position
Differential corrections data and carrier phase difference strengthen data, obtain system health information by integrity monitoring algorithm, finally
These Information encapsulations are strengthened Data-Link into enhancement information message Jing difference to broadcast to airborne equipment.Airborne equipment is received and is processed
The signal launched by satellite navigation system and ground installation, output pseudorange and carrier phase differential positioning result and integrity alarm
Information.
With reference to Fig. 1, the present invention can be led by satellite for the portable inspectiont caliberating device of satellite navigation landing system
Boat receiver antenna unit receives satellite navigation system signals, completes satellite navigation landing system by receiving and dispatching radio antenna unit
The reception parsing of broadcast singal and broadcasting to empty for difference enhancement information.Apparatus of the present invention include：The receiving antenna of satellite navigation
Unit A, satellite navigation receiver unit B, radio station dual-mode antenna unit C, transmitting-receiving station units D, display control unit E, detection
Demarcate processing unit F and power source combination unit G.Processing unit F is demarcated in detection to be included：Control process module F1, One-Point Location mark
Cover half block F2, carrier phase difference point demarcating module F3, ground installation outfield detection module F4, as shown in Figure 2.
With reference to Fig. 3, the transmission relation of whole device of the present invention is as follows：
Satellite navigation receiver unit B is connected receiver original observed quantity, navigation message, receiver by network service
Operating mode, instruction response receipt etc. information transfer demarcate processing unit F to detection, support its complete One-Point Location demarcate, carrier wave phase
Position differential calibration and ground installation outfield detection, will receiver data 1 be sent to One-Point Location demarcating module F2, by receiver
Data 2 are sent to carrier phase difference point demarcating module F3, and receiver data 3 are sent to ground installation outfield detection module F4,
Receiver data 4 are sent to into control process module F1.Additionally, detection demarcation processing unit F can be to satellite navigation receiver
Unit B sends control instruction, and director data 5 is sent to satellite navigation receiver unit B by control process module F1.
Transmitting-receiving station units D connects the difference enhancement information message that will be received, floor data, instruction sound by serial communication
Answer the information transfers such as receipt processing unit F to be demarcated to detection, support which completes carrier phase differential calibration and ground installation outfield
Detection, will receive and dispatch radio station data 6 and be sent to carrier phase difference point demarcating module F3, transmitting-receiving radio station data 7 are sent to ground
Transmitting-receiving radio station data 8 are sent to control process module F1 by equipment outfield detection module F4.Additionally, processing unit F is demarcated in detection
Control instruction can be sent to transmitting-receiving station units D, director data 9 is sent to into transmitting-receiving station units by control process module F1
D。
Operating personnel are transmitted by the configuration information that human-computer interaction interface is completed by display control unit E by EBI
Give detection demarcate processing unit F, support its complete detection demarcate control, will display control data 10 be sent to control process mould
Block F1.Additionally, processing unit F is demarcated in detection can send the data message for needing to show to display control unit E, by control
Display data 11 is sent to display control unit E by reason module F1.
One-Point Location demarcating module F2 receives the control instruction data 12 of control process module F1, receives with reference to satellite navigation
The receiver data 1 of machine unit B output complete One-Point Location and location position is processed, forming position calibration result data 13, and
Location position result data 13 is transferred to into control process module F1 by internal interface.
Carrier phase difference point demarcating module F3 receives the control instruction data 14 of control process module F1, with reference to satellite navigation
The receiver data 2 of receiver unit B outputs and the difference enhancement information message data 6 of transmitting-receiving station units D outputs, complete
The process of carrier phase differential calibration, forming position calibration result data 15, and location position result data 15 is connect by inside
Control process module F1 is defeated by oral instructions.
Ground installation outfield detection module F4 receives the control instruction data 17 of control process module F1, with reference to satellite navigation
The receiver data 3 of receiver unit B outputs and the difference enhancement information message data 7 of transmitting-receiving station units D outputs, complete
Ground installation outfield detection process, form Differential positioning result and Protective levels according to 16, and by Differential positioning result and protected level
Data 16 are transferred to control process module F1 by internal interface.
Control process module F1 completes resolution process by receiving the display control data 10 that display control unit E sends
Control instruction data 12, control instruction data 14 and control instruction 17 are formed afterwards, control instruction data 12 are exported into single-point fixed
Control instruction data 14 are transferred to carrier phase difference point demarcating module F3, control instruction data 17 are passed by position demarcating module F2
It is defeated to ground installation outfield detection module F4.Additionally, control process module F1 is by receiving One-Point Location demarcating module F2 outputs
Location position result data 13, carrier phase difference point demarcating module F3 outputs location position result data 15, ground installation
The Differential positioning result and Protective levels of outfield detection module F4 outputs is converted to display according to 16 after the analyzing and processing for completing data
Data 11 are simultaneously sent to display control unit E and are shown.
With reference to Fig. 4, method of the present invention for the portable inspectiont demarcation of satellite navigation landing system, including following step
Suddenly：
Step 1, Job readiness：The installation and deployment of satellite navigation receiver antenna and transmitting-receiving radio antenna.
According to application target, the installation and deployment of satellite navigation receiver antenna and transmitting-receiving radio antenna are completed：
1a, for location position when, satellite navigation receiver antenna is deployed in into location point to be calibrated, will transmitting-receiving radio station day
Line is deployed near equipment puts position；
1b, when detecting for ground installation outfield, satellite navigation receiver antenna is deployed in the position demarcated in advance
Point, transmitting-receiving radio antenna is deployed near equipment and puts position.
Step 2, device power-on simultaneously carry out self-inspection.
According to deployed with devices situation, equipment power-supplying forms are determined：
2a, without externally fed when, directly initiate device power supply (DPS), complete the power-on self-test of equipment each unit and run aobvious control
Software；
2b, when needing externally fed, first connect external power source and observe power supply indicator, indicator lamp starts under normal circumstances
Device power supply (DPS), completes the power-on self-test of equipment each unit and runs display and control software.
Step 3, Working mode set.
According to application target, mode of operation is completed on display and control software interface and is selected and running parameter setting, by Working mould
Formula and parameter are sent to each component units and module as control instruction, process and display into respective handling module.
Step 4, One-Point Location demarcation are processed
One-Point Location is demarcated and processes complete by the observation data and navigation message that receive the output of satellite navigation receiver unit
Resolve into One-Point Location and location position is processed, be filtered using positioning result and processed with statistical analysis, forming position is demarcated
Result data.
As shown in figure 5, the One-Point Location in the inventive method demarcates processing procedure, comprise the following steps：
4a, One-Point Location demarcating module receive the receiver observation of satellite navigation receiver output by network communication interface
The data such as amount, navigation message；
4b, smoothing the phase of carrier wave process, processing method are carried out to pseudo range observed quantity using the observed quantity of receiver carrier phase
For the smoothing method under sliding window (Geometric Moving Averaging, GMA) method；
4c, using smoothing the phase of carrier wave process after pseudo range observed quantity, list is completed using least square method for calculating and locating
Point location is calculated；
4d, the filtering convergence for using the mutual deviation filtering method of random quantity, completing One-Point Location result, generate One-Point Location mark
Determine result data.
Step 5, the process of carrier phase differential calibration.
The process of carrier phase differential calibration is by receiving the observation data and navigation electricity that satellite navigation receiver unit is exported
Text and the difference enhancement information message of transmitting-receiving station units output, complete the process of carrier phase differential calibration, forming position mark
Determine result data.
As shown in fig. 6, the carrier phase differential calibration processing procedure in the inventive method, comprises the following steps：
5a, carrier phase difference point demarcating module receives the receiver of satellite navigation receiver output by network communication interface
The data such as observed quantity, navigation message；
5b, carrier phase difference point demarcating module receives the difference enhancement information message of transmitting-receiving station units output by serial ports
Data；
5c, using cycle slip check algorithm inspection carrier phase observed quantity in whether there is cycle slip, if there is then to cycle slip
Carry out repair process；
5d, to complete cycle slips detection with repair after carrier phase observed quantity and pseudo range observed quantity carry out at Kalman filter
Reason；
5e, the float-solution numerical value that carrier phase observed quantity is solved using pseudo range observed quantity；
5f, Carrier Phase Ambiguity Resolution is completed using LAMBDA algorithms on the basis of carrier phase observed quantity float-solution, asked
Solution carrier phase observed quantity integer ambiguity fixed solution numerical value；
Whether 5g, the judgement fixed solution that compared using Ratio values and thresholding obtained by solution fuzziness fixed solution meet standard,
Position resolving is completed into next step if meeting standard, step 5d is returned to if being unsatisfactory for standard；
5h, using carrier phase fixed solution, carrier phase differential positioning meter is completed using least square method for calculating and locating
Calculate, the benchmark station location combined according to acquired vector relative position in difference enhancement information message generates positioning result number
Value；
5i, the positioning result numerical value to the process acquisition of carrier phase differential calibration carry out statistical analysis, obtain location position
As a result.
Step 6, ground installation outfield detection process.
Ground installation outfield detection process are by receiving the observation data and navigation electricity that satellite navigation receiver unit is exported
Text and the difference enhancement information message of transmitting-receiving station units output, simulation airborne equipment complete integrity and localization process, shape
Into Differential positioning result and Protective levels evidence, and result data is analyzed with known point position position, to ground installation
Carry out functional check.
As shown in fig. 7, the ground installation outfield detection process process in the inventive method, comprises the following steps：
7a, ground installation outfield detection module receive the receiver of satellite navigation receiver output by network communication interface
The data such as observed quantity, navigation message；
7b, ground installation outfield detection module receive the difference enhancement information message of transmitting-receiving station units output by serial ports
Data；
7c, using receive data complete integrity protected level calculate and decision analysis；
7d, using receive data complete smoothing the phase of carrier wave code pseudo range difference localization process, RTK Differential positionings process；
7e, to positioning and integrity protected level decision analysis result carry out statistical analysis, such as statistics is satisfied by system
Design objective requires that then judgement ground installation function is effective.
Step 7, detection demarcate display processing.
Display control unit receive the testing result data that generate under three kinds of mode of operations of control process modules output and
Result is included that in the form of data or chart, on human-computer interaction interface, the situation to occurring abnormal is entered by calibration result data
Row alarm display processing.
In above-described embodiment, One-Point Location is demarcated processing procedure and improves satellite navigation landing system ground installation without outer
Rapid location capacity rating under portion's subsidiary conditions, shorten ground installation opens time；Carrier phase differential calibration
Processing procedure improves rapid location of the satellite navigation landing system ground installation under the conditions of it there is existing reference point and demarcates energy
Power, effectively shortens the service time of ground installation；The two combination can complete the rapid location of airport reference point and demarcate, to defending
The rapid deployment of star navigation landing system and service guarantee have very good using effect.Ground installation outfield detection process
Process lacks the problem that effective quick detection demarcates means in effectively compensate for present satellites navigation landing system application at present,
A set of portable inspectiont caliberating device is provided, the application supportability of satellite navigation landing system is improve.
Above example is merely to illustrate technical scheme, rather than a limitation；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：Which still can be to previous embodiment
Described technical scheme is modified, or carries out equivalent to which part technical characteristic；And these are changed or replace
Change, do not make the essence of appropriate technical solution depart from the spirit and scope of embodiment of the present invention technical scheme.
Claims (2)
1. a kind of portable inspectiont caliberating device for satellite navigation landing system, it is characterised in that include：
Satellite navigation receiver unit and antenna element：For receiving satellite navigation signals, output navigation data is demarcated to detection
Processing unit；
Transmitting-receiving station units and antenna element：The satellite navigation landing system difference of processing unit output is demarcated for receiving detection
Enhancement information message is simultaneously broadcasted, or receives satellite navigation landing system difference enhancing signal, parsing output difference increasing
Strong information demarcates processing unit to detection；
Display control unit：For showing that the state and data message of processing unit output are demarcated in detection, or will be by man-machine
The control information and mode selecting information of interactive interface input is exported demarcates processing unit to detection；
Processing unit is demarcated in detection：The information exported using satellite navigation receiver unit carries out the position mark under the conditions of single-point
It is fixed；The Fast Calibration ability of reference point is realized using the carrier phase difference enhancement information that ground installation is broadcast；It is deployed in known
The information and the difference enhancement information of transmitting-receiving radio station output that location point is exported using satellite navigation receiver unit realizes that difference is fixed
Position calculates, and ground installation current operating state is detected.
2. a kind of to be prepared using claim 1 described device ... method, it is characterised in that comprise the steps：
(1) it is operated pattern using display control unit to select, mode of operation includes single locus demarcation, carrier phase difference
Location position and the detection of ground installation outfield；
(2) under single locus staking-out work pattern：
(2a) satellite navigation receiver and antenna element receive satellite-signal, and measurement in real time obtains navigation data, exports to detection
Demarcate processing unit；
(2b) detection is demarcated processing unit and completes the calculating of smoothing the phase of carrier wave code pseudorange One-Point Location, and result of calculation is put down
Sliding filtering and error statistics are processed, and obtain the location parameter statistical value of point position to be calibrated；
(2c) detection is demarcated processing unit and the coordinate statistical value output for generating is shown to display control unit, and recorded local
In file；
(3) under carrier phase difference location position mode of operation：
(3a) satellite navigation receiver and antenna element receive satellite-signal, and measurement in real time obtains navigation data, exports to detection
Demarcate processing unit；
(3b) receive and dispatch radio station and antenna element receives difference and strengthens signal, real time parsing obtains difference enhancement information, exports to inspection
Mark determines processing unit；
(3c) the carrier phase differential positioning calculating that detection is demarcated under the conditions of processing unit completes double frequency, and result of calculation is carried out
Smothing filtering and error statistics are processed, and obtain the statistical value of position coordinates；
(3d) detection is demarcated processing unit and the coordinate statistical value output for generating is shown to display control unit, and recorded local
In file；
(4) under ground installation outfield detection mode of operation：
(4a) satellite navigation receiver and antenna element receive satellite-signal, and measurement in real time obtains navigation data, exports to detection
Demarcate processing unit；
(4b) receive and dispatch radio station and antenna element receives the difference enhancing signal of ground installation broadcast, real time parsing obtains difference enhancing
Information, exports and demarcates processing unit to detection；
(4c) detection is demarcated processing unit simulation airborne equipment and completes pseudo range difference location Calculation, carrier phase difference in each epoch
Divide location Calculation, record the positioning result of all epoch in setting time, positioning result is carried out with the advance exact value demarcated
Comparative analysis, is obtained the statistical error of position coordinates and is contrasted with permissible error, differentiate the availability of ground installation；
(4d) the ground installation availability display processing that differentiation is obtained by processing unit is demarcated in detection, when ground installation is judged to not
Alarm prompt is carried out when available.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2015109690967 | 2015-12-22 | ||
| CN201510969096 | 2015-12-22 |
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| Publication Number | Publication Date |
|---|---|
| CN106525081A true CN106525081A (en) | 2017-03-22 |
| CN106525081B CN106525081B (en) | 2019-03-19 |
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| CN201611174046.0A Active CN106525081B (en) | 2015-12-22 | 2016-12-19 | Portable inspectiont caliberating device and method for satellite navigation landing system |
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| CN110673178B (en) * | 2018-07-03 | 2022-03-04 | 中移物联网有限公司 | Self-checking method, device, equipment and storage medium for satellite navigation positioning |
| CN109471142A (en) * | 2018-10-25 | 2019-03-15 | 国网福建省电力有限公司厦门供电公司 | A kind of working trajectory recognition methods based on RTK Differential positioning |
| CN109541658A (en) * | 2018-12-27 | 2019-03-29 | 中国电子科技集团公司第二十研究所 | A kind of virtual point fusion observed quantity generation method for satellite navigation relative positioning |
| CN115685293A (en) * | 2022-12-29 | 2023-02-03 | 北京天玑科技有限公司 | Three-antenna high-precision positioning and orienting portable receiver |
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