CN219842557U - GBAS system test evaluation equipment - Google Patents
GBAS system test evaluation equipment Download PDFInfo
- Publication number
- CN219842557U CN219842557U CN202320209849.4U CN202320209849U CN219842557U CN 219842557 U CN219842557 U CN 219842557U CN 202320209849 U CN202320209849 U CN 202320209849U CN 219842557 U CN219842557 U CN 219842557U
- Authority
- CN
- China
- Prior art keywords
- vdb
- data
- gnss
- radio frequency
- lightning arrester
- 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
- 101000972822 Homo sapiens Protein NipSnap homolog 2 Proteins 0.000 title claims abstract description 47
- 102100022564 Protein NipSnap homolog 2 Human genes 0.000 title claims abstract description 47
- 238000012360 testing method Methods 0.000 title claims abstract description 27
- 238000011156 evaluation Methods 0.000 title claims abstract description 24
- 238000012545 processing Methods 0.000 claims abstract description 28
- 238000012544 monitoring process Methods 0.000 claims abstract description 16
- 238000004364 calculation method Methods 0.000 claims description 42
- 238000000034 method Methods 0.000 claims description 17
- 230000008569 process Effects 0.000 claims description 14
- 238000012805 post-processing Methods 0.000 claims description 4
- 238000013459 approach Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Monitoring And Testing Of Transmission In General (AREA)
Abstract
The utility model discloses a GBAS system test evaluation device, which comprises: the device comprises a GNSS receiving antenna, a VDB receiving antenna, a GNSS radio frequency lightning arrester, a VDB radio frequency lightning arrester, a reference receiver, a VDB receiving radio station, a data recording unit, a data processing unit, a network switch and a standby power supply; the receiving antenna is connected with the radio frequency lightning arrester through a radio frequency cable; the GNSS radio frequency lightning arrester is connected with the reference receiver through a radio frequency cable; the VDB radio frequency lightning arrester is connected with the VDB receiving radio station through a radio frequency cable; the reference receiver is connected with the VDB receiving radio station through a PPS cable; the rest are electrically connected, so that a monitoring instrument for monitoring the running state of the GBAS ground equipment and evaluating the performance of the GBAS ground equipment is developed, the multi-frequency-point and multi-constellation satellite signal receiving is supported, and the reference receiver has the capability of processing the multi-frequency-point and multi-constellation satellite signal.
Description
Technical Field
The utility model relates to the technical field of satellite navigation, in particular to GBAS system test evaluation equipment.
Background
The GBAS is an important component of the satellite navigation system, and the working principle of the GBAS is that satellite navigation precision is improved through differential positioning, an integrity monitoring algorithm is added on the basis of the differential positioning, indexes of system integrity, availability and continuity are improved, an aircraft with corresponding capability in an action range can obtain a position signal reaching class I precision approach (CAT I) or even higher precision, and then the aircraft is guided to execute approach and landing flight. GBAS can meet the stringent requirements of civil aviation precision approach landing guidance with respect to integrity, continuity and availability by applying differential enhancement and integrity monitoring techniques. Because of different working principles, the testing and evaluating tools of the traditional navigation equipment cannot be used for GBAS performance testing and evaluating, and new requirements are put forward for the work of admittance, continuous approval, operation management and the like of the civil aviation management equipment. In addition, the satellite navigation equipment directly provides data for the aircraft, and if the equipment has defects, the safety of the aircraft has great potential safety hazard, so that the satellite navigation equipment needs to be subjected to strict approval test.
However, at present, no available GBAS system test platform is available in China for carrying out related test evaluation work.
Disclosure of Invention
The embodiment of the utility model solves the problem that no GBAS system test and evaluation equipment is available in the prior art by providing the GBAS system test and evaluation equipment, realizes the design of a monitoring instrument for monitoring the running state of GBAS ground equipment and evaluating the performance of the GBAS ground equipment, supports the receiving of satellite signals with multiple frequency points and multiple constellations, and the reference receiver has the capability of processing the satellite signals with multiple frequency points and multiple constellations.
The embodiment of the utility model provides GBAS system test evaluation equipment, which comprises:
the device comprises a GNSS receiving antenna, a VDB receiving antenna, a GNSS radio frequency lightning arrester, a VDB radio frequency lightning arrester, a reference receiver, a VDB receiving radio station, a data recording unit, a data processing unit, a network switch and a standby power supply;
the GNSS receiving antenna is connected with the GNSS radio frequency lightning arrester through a radio frequency cable;
the GNSS radio frequency lightning arrester is connected with the reference receiver through a radio frequency cable;
the VDB receiving antenna is connected with the VDB radio-frequency lightning arrester through a radio-frequency cable;
the VDB radio frequency lightning arrester is connected with the VDB receiving radio station through a radio frequency cable;
the reference receiver is connected with the VDB receiving radio station through a PPS cable;
the backup power source is electrically connected to the data recording unit, the data processing unit, the network switch, and the reference machine.
In a possible implementation manner, the system further comprises at least one data recording unit, wherein the reference receiver is connected with the data recording unit through a serial port cable, and the data recording unit is connected with the data processing unit through the network switch through a network cable.
In one possible implementation, the data recording unit is connected to the VDB reception station by a serial cable.
In one possible implementation, the GNSS receiving antenna receives GNSS navigation data and observation data of GNSS satellites and transmits them in real time.
In one possible implementation manner, the VDB receives an antenna, receives data broadcast by GBAS ground equipment, and transmits the data through a spatial signal.
In one possible implementation, the GNSS radio frequency lightning arrester is configured to provide a lightning arrester between a GNSS receiving antenna and a reference receiver;
the VDB radio frequency lightning arrester is used for providing a lightning arrester between the VDB receiving antenna and the VDB receiving radio station.
In a possible implementation manner, the reference receiver is configured to process GNSS navigation data and observation data received by the GNSS receiving antenna.
In one possible implementation manner, the data recording unit is configured to store the data output by the reference receiver and the data output by the VDB receiving station, perform positioning calculation, positioning error calculation, protection level calculation in real time, and store the calculation result in the monitoring calculation process data.
In one possible implementation manner, the data processing unit is configured to parse the GNSS receiver data and the VDB data stored in the data recording unit to monitor and calculate process data, analyze and display the parsed GNSS receiver data, VDB data and the monitor and calculate process data, and simulate positioning calculation, positioning error calculation and protection level calculation of data recording analysis software by a post-processing manner.
In a possible implementation, the backup power supply is configured to provide power to the reference receiver, the VDB reception station, the network switch, the data recording unit, and the data processing unit.
One or more technical solutions provided in the embodiments of the present utility model at least have the following technical effects or advantages:
the embodiment of the utility model adopts a GBAS system test evaluation device, and the device comprises: the device comprises a GNSS receiving antenna, a VDB receiving antenna, a GNSS radio frequency lightning arrester, a VDB radio frequency lightning arrester, a reference receiver, a VDB receiving radio station, a data recording unit, a data processing unit, a network switch and a standby power supply; the GNSS receiving antenna is connected with the GNSS radio frequency lightning arrester through a radio frequency cable; the GNSS radio frequency lightning arrester is connected with the reference receiver through a radio frequency cable; the VDB receiving antenna is connected with the VDB radio frequency lightning arrester through a radio frequency cable; the VDB radio frequency lightning arrester is connected with the VDB receiving radio station through a radio frequency cable; the reference receiver is connected with the VDB receiving radio station through a PPS cable; the standby power supply is electrically connected with the data recording unit, the data processing unit, the network switch and the reference receiver, the network of the whole system is connected through receiving and calculating various types of data, and the data exchange is realized, so that the problem that no GBAS system test evaluation equipment is available in the prior art is solved, the monitoring instrument for monitoring the running state of GBAS ground equipment and evaluating the performance of the GBAS ground equipment is developed, the satellite signal receiving of multiple frequency points and multiple constellations is supported, and the reference receiver has the capability of processing the satellite signals of multiple frequency points and multiple constellations.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments of the present utility model or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of a GBAS system test evaluation device according to an embodiment of the present utility model;
fig. 2 is a schematic view of a cabinet provided in an embodiment of the present utility model disposed indoors;
fig. 3 is a schematic view of a cabinet provided in an embodiment of the utility model disposed outdoors.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model researches and develops a GBAS system test evaluation platform, and through unified standardized test, the availability and reliability of GBAS equipment are checked, so that the requirements of the national aviation management industry on the qualification approval work of the equipment model of satellite navigation equipment are met, and meanwhile, the platform can monitor the satellite navigation equipment put into operation for a long time in the future, and provides basis for the development of operation test and evaluation in the future.
The embodiment of the utility model provides GBAS system test evaluation equipment, which comprises:
the device comprises a GNSS receiving antenna, a VDB receiving antenna, a GNSS radio frequency lightning arrester, a VDB radio frequency lightning arrester, a reference receiver, a VDB receiving radio station, a data recording unit, a data processing unit, a network switch and a standby power supply; the GNSS receiving antenna is connected with the GNSS radio frequency lightning arrester through a radio frequency cable; the GNSS radio frequency lightning arrester is connected with the reference receiver through a radio frequency cable; the VDB receiving antenna is connected with the VDB radio frequency lightning arrester through a radio frequency cable; the VDB radio frequency lightning arrester is connected with the VDB receiving radio station through a radio frequency cable; the reference receiver is connected with the VDB receiving radio station through a PPS cable; the standby power supply is electrically connected with the data recording unit, the data processing unit, the network switch and the reference receiver.
The utility model can also be used for testing and evaluating equipment of the GBAS system, which is divided into two parts, wherein one part is arranged in the cabinet, the cabinet is arranged indoors or outdoors, the other part is an antenna, and the other part is arranged outdoors. The cabinet comprises at least one GNSS radio frequency lightning arrester, at least one VDB radio frequency lightning arrester, at least one reference receiver, at least one VDB receiving radio station, at least one data recording unit, at least one network switch, at least one data processing unit and at least one set of standby power supply. The antennas include at least one GNSS receiving antenna and at least one VDB receiving antenna. The cabinet can be a portable cabinet or a fixed cabinet, and is selected according to different application scenes. And the stand-by power supply in the cabinet can be independently provided with one cabinet, so that the cabinet is convenient to move and carry in different application scenes. Fig. 2 and 3 show specific reference views of the cabinet.
The utility model provides GBAS system test evaluation equipment, which further comprises at least one data recording unit, wherein the reference receiver is connected with the data recording unit through a serial port cable, and the data recording unit is connected with the data processing unit through a network switch by using a network cable. The data recording unit is connected with the VDB receiving radio station through a serial port cable.
And the GNSS receiving antenna is used for receiving GNSS navigation data and observation data of the GNSS satellites and transmitting the GNSS navigation data and the observation data in real time. The GNSS receiving antenna is connected with the reference receiver through the GNSS radio frequency lightning arrester and the radio frequency cable, the reference receiver processes the GNSS navigation message collected by the GNSS receiving antenna, the GNSS navigation message with the time mark is transmitted to the data recording unit for deep processing, and meanwhile, the reference receiver provides time synchronization information for the VDB receiving radio station.
And the VDB receiving antenna is used for receiving data broadcast by the GBAS ground equipment and transmitting the data through a space signal. The device receiving the GBAS ground device VDB data is the source of system data input.
The GNSS radio frequency lightning arrester is used for providing a lightning arrester between the GNSS receiving antenna and the reference receiver; the VDB radio frequency lightning arrester is used for providing a lightning arrester between the VDB receiving antenna and the VDB receiving radio station.
And the reference receiver is used for processing the GNSS navigation data and the observation data received by the GNSS receiving antenna. The VDB receiving antenna receives the VDB data broadcasted by the GBAS ground equipment in real time, and transmits the VDB data to the VDB receiving radio station, and then the VDB data is packaged and transmitted to the data recording unit, which is the source of system data input.
The data recording unit is used for storing the data output by the reference receiver and the data output by the VDB receiving radio station, carrying out positioning calculation, positioning error calculation and protection level calculation in real time, and storing the calculation result in the monitoring calculation process data. The data recording unit is connected with the network switch through a network cable, and is respectively connected with the reference receiver and the VDB receiving radio station through a serial port cable, so that output data of the reference receiver and VDB data are stored.
The data processing unit is used for analyzing the GNSS receiver data, the VDB data and the monitoring calculation process data stored in the data recording unit, analyzing and displaying the analyzed GNSS receiver data, VDB data and monitoring calculation process data, and simulating the positioning calculation, the positioning error calculation and the protection level calculation of the data recording analysis software in a post-processing mode. The data processing unit establishes a connection with the network switch via a network cable.
A backup power supply for providing power to the reference receiver, the VDB receiving station, the network switch, the data recording unit and the data processing unit. The standby power supply realizes the power supply to the whole system equipment, at least one path of mains supply input interface and a plurality of paths of alternating current output interfaces are provided, during normal operation, the mains supply supplies alternating current input to the standby power supply and simultaneously carries out floating charge to a storage battery in the standby power supply, and when the mains supply input is interrupted, the standby power supply can still provide alternating current power supply for the system equipment through inversion of the storage battery. The device also provides overcurrent, overvoltage and lightning protection measures.
The network switch realizes the network connection of the whole system and realizes the data interaction between the data recording unit and the data processing unit.
In the embodiment of the utility model, the GNSS receiving antenna supports the satellite signal receiving of multiple frequency points and multiple constellations, the reference receiver has the capability of processing the satellite signals of multiple frequency points and multiple constellations, specifically, the reference receiver receives the GNSS satellite signals in real time and analyzes the GNSS satellite signals into navigation data, specifically, the reference receiver obtains a pseudo-range observation value by calculating the time difference between the sending time and the receiving time of the satellite signals and multiplying the light speed, and then the pseudo-range observation value and the navigation message are packaged and transmitted to a data recording unit, and meanwhile, the reference receiver also provides PPS signals for a VDB receiving radio station. The VDB receiving antenna receives the VDB data broadcasted by the GBAS ground equipment in real time, transmits the VDB data to the VDB receiving radio station, and then packages and transmits the VDB data to the data recording unit. The data recording unit stores the data output by the reference receiver and the data output by the VDB receiving radio station, and simultaneously performs positioning calculation, positioning error calculation and protection level calculation in real time, and stores the calculation result in the monitoring calculation process data. The data processing unit analyzes the reference receiver data, the VDB data and the monitoring calculation process data file stored in the data recording unit, analyzes the analyzed GNSS receiver data, VDB data and monitoring calculation process data, simulates the positioning calculation, positioning error calculation and protection level calculation of the data recording analysis software in a post-processing mode, displays the data in a proper form (a graph and a table), and can store the data in various formats.
The embodiment of the utility model is mainly used for evaluating various performance indexes of the GBAS ground equipment, and intuitively presents the running condition of the current GBAS ground equipment for a user by outputting various indexes and charts. Differential correction calculations, satellite position calculations, elevation azimuth calculations between the GNSS receiver and the satellites, positioning calculations of the GNSS receiver, and protection level calculations simulating the aircraft are required before a series of performance evaluations are performed. The performance evaluation module will use the calculated relevant parameters to perform a series of performance evaluations. And then, referring to the operation requirements of the GBAS, evaluating four indexes of accuracy, integrity, continuity and availability of the GBAS ground equipment, and finally evaluating the operation condition of the GBAS ground equipment.
From the above description of embodiments, it will be apparent to those skilled in the art that the present utility model may be implemented in software plus necessary hardware. Based on such understanding, the technical solution of the present utility model may be embodied essentially or in a part contributing to the prior art in the form of a software product or may be embodied in the implementation of data migration. The computer software product may be stored on a storage medium, such as ROM/RAM, magnetic disk, optical disk, etc., comprising instructions for causing a computer device (which may be a personal computer, mobile terminal, server, or network device, etc.) to perform the methods of the various embodiments or portions of the embodiments of the utility model.
In this specification, each embodiment is described in a progressive manner, and the same or similar parts of each embodiment are referred to each other, and each embodiment is mainly described as a difference from other embodiments. All or portions of the present utility model are operational with numerous general purpose or special purpose computer system environments or configurations. For example: personal computers, server computers, hand-held or portable devices, tablet devices, mobile communication terminals, multiprocessor systems, microprocessor-based systems, programmable electronic devices, network PCs, minicomputers, mainframe computers, distributed computing environments that include any of the above systems or devices, and the like.
The above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the present utility model; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced with equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (10)
1. A GBAS system test evaluation apparatus, comprising:
the device comprises a GNSS receiving antenna, a VDB receiving antenna, a GNSS radio frequency lightning arrester, a VDB radio frequency lightning arrester, a reference receiver, a VDB receiving radio station, a data recording unit, a data processing unit, a network switch and a standby power supply;
the GNSS receiving antenna is connected with the GNSS radio frequency lightning arrester through a radio frequency cable;
the GNSS radio frequency lightning arrester is connected with the reference receiver through a radio frequency cable;
the VDB receiving antenna is connected with the VDB radio-frequency lightning arrester through a radio-frequency cable;
the VDB radio frequency lightning arrester is connected with the VDB receiving radio station through a radio frequency cable;
the reference receiver is connected with the VDB receiving radio station through a PPS cable;
the backup power source is electrically connected to the data recording unit, the data processing unit, the network switch, and the reference machine.
2. The GBAS system test evaluation device according to claim 1, further comprising at least one data recording unit, wherein the reference receiver is connected to the data recording unit by a serial cable, and wherein the data recording unit is connected to the data processing unit by the network switch by a network cable.
3. The GBAS system test evaluation apparatus according to claim 2, wherein the data recording unit is connected to the VDB reception station via a serial cable.
4. The GBAS claimed in claim 1, wherein the GNSS receiver antenna receives GNSS navigation data and observation data of GNSS satellites and transmits them in real time.
5. The GBAS claimed in claim 1, wherein the VDB receiving antenna receives data broadcast by GBAS ground devices and transmits the data via a spatial signal.
6. The GBAS system test evaluation device according to claim 1, characterized in that the GNSS radio frequency lightning arrester is adapted to provide a lightning arrester between a GNSS receiving antenna and a reference receiver;
the VDB radio frequency lightning arrester is used for providing a lightning arrester between the VDB receiving antenna and the VDB receiving radio station.
7. The GBAS system test evaluation apparatus according to claim 1, wherein the reference receiver is configured to process GNSS navigation data and observation data received by the GNSS receiving antenna.
8. The GBAS claimed in claim 1, wherein the data recording unit is configured to store the data output by the reference receiver and the data output by the VDB receiving station, perform positioning calculation, positioning error calculation, protection level calculation in real time, and store the calculation result in the monitoring calculation process data.
9. The GBAS claimed in claim 1, wherein the data processing unit is configured to analyze the GNSS receiver data and the VDB data stored in the data recording unit, analyze and display the analyzed GNSS receiver data, VDB data and the monitored calculation process data, and simulate the positioning calculation, the positioning error calculation and the protection level calculation of the data recording analysis software by a post-processing method.
10. The GBAS system test evaluation apparatus according to claim 1, wherein the backup power supply is configured to supply power to the reference receiver, the VDB receiving station, the network switch, the data recording unit, and the data processing unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320209849.4U CN219842557U (en) | 2023-02-14 | 2023-02-14 | GBAS system test evaluation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320209849.4U CN219842557U (en) | 2023-02-14 | 2023-02-14 | GBAS system test evaluation equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219842557U true CN219842557U (en) | 2023-10-17 |
Family
ID=88298069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320209849.4U Active CN219842557U (en) | 2023-02-14 | 2023-02-14 | GBAS system test evaluation equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219842557U (en) |
-
2023
- 2023-02-14 CN CN202320209849.4U patent/CN219842557U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203414793U (en) | Dynamic excitation and simulation system of radio test system | |
| CN106526617B (en) | A kind of DEFORMATION MONITORING SYSTEM and method of the high accuracy positioning based on LORA | |
| CN107515370A (en) | A kind of PCBA detection means and detection method | |
| CN106773783B (en) | Semi-physical simulation test system and method for continuously operating reference station system | |
| CN110501667B (en) | Test system and ground test method of ultrashort wave orientation instrument | |
| CN105300440A (en) | Satellite-borne remote sensing image target processing system ground test device and method | |
| CN111817795A (en) | Beidou radio frequency baseband product testing device | |
| Petit et al. | Continuous IPPP links for UTC | |
| CN219842557U (en) | GBAS system test evaluation equipment | |
| CN110798855A (en) | Integrity monitoring system for realizing AIS differential data broadcasting system | |
| CN103200579A (en) | Measurement reporting method, measurement reporting device and measurement reporting system | |
| WO2024131273A1 (en) | Fault detection method and apparatus, device, and medium | |
| KR20180072783A (en) | Ground-based navigation aids for aircraft safety | |
| CN113340323B (en) | Rapid fault positioning method and detection device for inertial sensor | |
| CN113419517A (en) | Test method and device of aircraft prevention and control system, storage medium and computing equipment | |
| CN105676013A (en) | System and method for testing unit running status monitoring function of wide-area measurement system | |
| CN105676061A (en) | System and method for testing disturbance identification function of wide-area measurement system | |
| CN114563017A (en) | Navigation performance test system and method for strapdown inertial navigation device | |
| CN112751631B (en) | System and method for tracking entry and exit into and out of an enclosed space | |
| Liu et al. | Design of UAV avionics automatic test system based on virtual instrument | |
| KR20160117828A (en) | Inspection Apparatus for Flight Data Recording Device | |
| US20230417925A1 (en) | Ionospheric scintillation and total electron content monitoring system | |
| Zhang et al. | Design and Realization of a GNSS Receiver Test Equipment | |
| Yin et al. | Electromagnetic interference suppression technology of power system and civil aviation communication navigation monitoring equipment | |
| CN109741594A (en) | The configuration method and device of device data acquisition |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |