CN112213744A - Satellite navigation monitoring system and monitoring method - Google Patents
Satellite navigation monitoring system and monitoring method Download PDFInfo
- Publication number
- CN112213744A CN112213744A CN202011075275.3A CN202011075275A CN112213744A CN 112213744 A CN112213744 A CN 112213744A CN 202011075275 A CN202011075275 A CN 202011075275A CN 112213744 A CN112213744 A CN 112213744A
- Authority
- CN
- China
- Prior art keywords
- data
- unit
- satellite
- radio frequency
- module
- 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.)
- Withdrawn
Links
Images
Classifications
-
- 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
Abstract
The invention relates to the technical field of satellite navigation, and discloses a satellite navigation monitoring system and a monitoring method, which comprise a signal receiving module, wherein the output end of the signal receiving module is electrically connected with the input end of a signal analysis value acquisition module, the output end of the signal analysis value acquisition module is electrically connected with the input end of a data comparison module, and the output end of the data comparison module is electrically connected with the input end of a log module. According to the satellite navigation monitoring system and the monitoring method, the radio frequency input unit, the radio frequency data integration unit, the sensor unit and the baseband digital processing unit are matched for use, so that the radio frequency input unit and the radio frequency data integration unit receive satellite signals, and the sensor unit and the baseband digital processing unit receive position signals of the signal receiving module, so that the satellite signal receiving performance of the system is further improved, and the accuracy of the position information of the signal receiving module is ensured.
Description
Technical Field
The invention relates to the technical field of satellite navigation, in particular to a satellite navigation monitoring system and a monitoring method.
Background
The satellite navigation system is a technology for navigating and positioning users on the ground, the sea, the air and the space by adopting navigation satellites, has thousands of years of history by utilizing navigation of the sun, the moon and other natural celestial bodies, although the assumption of artificial celestial body navigation is proposed as early as the second half of 19 th century, the navigation is not realized until the 60 th of 20 th century, a satellite navigation system of a meridian instrument is built in the United states in 1964 and is delivered to the navy for use, civilian use is started in 1967, a global positioning system of a navigation satellite is developed in 1973, a similar satellite navigation system is also built in the Soviet Union, research and test work of satellite navigation are also carried out in France, Japan and China, the advantages of the traditional navigation system are synthesized in the satellite navigation, the global high-precision passive navigation and positioning under various weather conditions are really realized, particularly, a time ranging satellite navigation system can provide continuous three-dimensional coverage of the global and near-earth space, and can be provided, High accuracy three-dimensional location and speed measurement, the interference killing feature is strong moreover, and satellite navigation comprises navigation satellite, ground station and user positioning equipment three, and navigation satellite: the space part of the satellite navigation system is a space navigation network formed by a plurality of navigation satellites, and the ground station comprises: tracking, measuring and forecasting satellite orbit and controlling and managing the equipment work on the satellite, generally including tracking station, remote station, computing center, injection station and time unification system, the tracking station is used for tracking and measuring the position coordinates of the satellite, the remote station receives the telemetering data sent from the satellite for ground monitoring and analyzing the working condition of the equipment on the satellite, the computing center calculates the orbit of the satellite according to the information, forecasts the orbit parameter in the next period of time, determines the navigation information needed to be transmitted to the satellite, and the injection station sends the navigation information to the satellite, the user positioning equipment: the satellite navigation system of the meridian instrument is characterized in that the satellite navigation system of the meridian instrument adopts the method, the user positioning equipment measures Doppler frequency shift curves according to Doppler frequency shifts between signal frequencies received from navigation satellites and signal frequencies transmitted from the satellites, the position time ranging navigation positioning of the user can be calculated according to the curve and the satellite orbit parameters: the "navigation star" global positioning system adopts this system, the user receiving equipment can accurately measure the propagation time of signal transmitted by 4 satellites which are not in same plane in the system, then a group of model mathematical operations including 4 equations is completed, and the three-dimensional coordinate of user position and error of user clock and system time can be calculated, the difference between self-geographical position coordinate measured by navigation satellite and its true geographical position coordinate is called positioning error, it is the most important performance index of satellite navigation system, the positioning accuracy mainly depends on orbit prediction accuracy, navigation parameter measurement accuracy and its geometric amplification factor and user dynamic characteristic measurement accuracy, the orbit prediction accuracy is mainly influenced by earth gravitational field model and other orbit perturbation force, the navigation parameter measurement accuracy is mainly influenced by satellite and user equipment performance, signal in ionosphere, The geometric amplification factor of the system is determined by a geometric relation graph between a satellite and a user position during positioning, and the dynamic characteristic measurement accuracy of the user refers to the course, the navigational speed and the antenna height measurement accuracy of the user during positioning; the general satellite navigation monitoring system compares the data transmitted by the satellite with the position data of the ground base station to obtain the accuracy of satellite navigation; the satellite navigation monitoring system in the prior art is difficult to carry out comparatively accurate receiving work to the satellite signal, and the data information after the integration is comparatively mixed and disorderly, and the monitoring data error appears easily, and the monitoring data is lost easily, and the staff of not being convenient for carries out accurate monitoring calibration to the satellite.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a satellite navigation monitoring system and a monitoring method, which have the advantages of strong satellite signal receiving capacity, easy data analysis, difficult loss of monitoring data, small information processing error, convenient analysis by workers and the like, and solve the problems that the satellite navigation monitoring system in the prior art is difficult to accurately receive satellite signals, the integrated data information is messy, the monitoring data is easy to have errors, the monitoring data is easy to lose, and the workers are inconvenient to accurately monitor and calibrate the satellite.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a satellite navigation monitoring system, includes signal reception module, signal reception module output is connected with the input electricity of signal analysis value collection module, the output of signal analysis value collection module is connected with the input electricity of data comparison module, the output of data comparison module is connected with the input electricity of log module, the output of log module is connected with the input electricity of display module.
Preferably, the signal receiving module includes a radio frequency input unit, a radio frequency data integration unit, a sensor unit, a baseband digital processing unit and an information output unit, an output end of the radio frequency input unit is electrically connected with an output end of the radio frequency data integration unit, an output end of the sensor unit is electrically connected with an input end of the baseband digital processing unit, and output ends of the radio frequency data integration unit and the baseband digital processing unit are electrically connected with an input end of the signal output unit.
Preferably, the signal analysis value acquisition module includes a distance acquisition unit, a smoothing unit, an inertial navigation calculation unit, a navigation data fusion unit and a pseudo-range analysis value acquisition unit, an output end of the distance acquisition unit is electrically connected with an input end of the smoothing unit, an output end of the smoothing unit is electrically connected with an input end of the smoothing unit, an output end of the inertial navigation calculation unit is electrically connected with an input end of the navigation data fusion unit, and an output end of the navigation data fusion unit is electrically connected with an input end of the pseudo-range analysis value acquisition unit.
Preferably, the log module includes a data acquisition unit, a data sorting unit, a data grouping unit, a data storage unit, a data backup unit and a data output unit, an output end of the data acquisition unit is electrically connected with an input end of the data sorting unit, an output end of the data sorting unit is electrically connected with an input end of the data grouping unit, an output end of the data grouping unit is electrically connected with an input end of the data storage unit, an output end of the data storage unit is electrically connected with an input end of the data backup unit, and the data backup unit is electrically connected with the data output unit.
Preferably, the display module is an LED display, and the LED display is a Hewlett packard brand nineteen-inch LED display with the model number E190 i.
Preferably, the radio frequency input unit receives a navigation satellite signal and outputs a digital intermediate frequency signal, and then the digital intermediate frequency signal is integrated by the radio frequency data integration unit.
Preferably, the data backup unit backs up the data stored in the data storage unit and transmits the signal to the display unit through the data output unit.
Preferably, the sensor unit acquires speed, acceleration and direction information of the current signal receiving module, and the baseband processing unit performs data processing on the information transmitted by the sensor unit.
Preferably, the data acquisition unit acquires data acquired by the pseudo-range analysis value acquisition unit, the data sorting unit sorts the data transmitted by the data acquisition unit, and the data grouping unit groups the sorted data.
In addition, the invention also aims to provide a monitoring method of the satellite navigation monitoring system, which comprises the following steps:
1) signal receiving: the system comprises a radio frequency input unit, a radio frequency data integration unit, a sensor unit, a baseband processing unit and a signal analysis and acquisition module, wherein the radio frequency input unit receives radio frequency signals sent by a satellite, the radio frequency data integration unit performs data integration on the received radio frequency signals, the sensor unit acquires speed, acceleration and direction information of a currently-received signal receiving module, the baseband processing unit performs data processing on the information transmitted by the sensor unit, and the information output unit transmits the integrated radio frequency data and signals of the baseband processing unit to the signal analysis and acquisition module.
2) Signal analysis: the distance acquisition unit acquires the distance of a corresponding satellite according to the integrated radio frequency data, the smoothing processing unit analyzes the satellite distance data to obtain position information monitored by the satellite, the inertial navigation calculation unit calculates speed, acceleration and direction information, the navigation data fusion unit determines the accurate position of the current signal receiving module, and the pseudo-range analysis value acquisition unit performs pseudo-range analysis on the position information monitored by the satellite and the accurate position information of the current signal receiving module.
3) Comparing the data; the data comparison module compares the position information of the signal receiving module monitored by the satellite with the accurate position information determined by the navigation data fusion unit, and obtains a data error between the position of the monitoring equipment monitored by the satellite and the position of the actual monitoring equipment.
4) And (3) data recording: the data acquisition unit acquires comparison information transmitted by the data comparison module, the data integration unit integrates acquired comparison data, the data grouping unit groups and summarizes the integrated comparison data, the data storage unit stores the grouped data, the data backup unit backs up the data in the data storage unit, and the data in the data backup unit is output to the display module through the data output unit.
5) And (3) displaying data: the LED display displays the data transmitted by the data output unit.
Preferably, in step (3), the data comparison module compares the position information of the signal receiving module monitored by the satellite with the accurate position information determined by the navigation data fusion unit by the following preset method:
step a1, recording a signal receiving module position information sample monitored by a satellite as X, wherein X includes N dimensional features and is recorded as: x ═ X1，x2，x3...xn]N is a positive integer greater than 1;
recording the accurate position information sample determined by the navigation data fusion unit as Y, wherein Y contains N dimensional characteristics and is recorded as Y [ Y ]1，y2，y3...yn]N is a positive integer greater than 1;
step A2, the data comparison module calculates any two corresponding features X in the sample X and the sample Y by the following formulaiAnd yiEuclidean distance d (x)i，yi)：
Wherein m is the dimensional number of the space, i is a positive integer less than or equal to n, and d (x)i，yi) The value range of (1) is [ 0 ] and d (x)i，yi) The smaller the value of (A), the two corresponding characteristics x are representediAnd yiThe higher the similarity is;
step A3, the data comparison module compares the obtained original X with any two corresponding features X in the sample YiAnd yiEuclidean distance d (x)i，yi) And transmitting the data to a data acquisition unit.
(III) advantageous effects
Compared with the prior art, the invention provides a satellite navigation monitoring system and a monitoring method, which have the following beneficial effects:
1. according to the satellite navigation monitoring system and the monitoring method, the radio frequency input unit, the radio frequency data integration unit, the sensor unit and the baseband digital processing unit are matched for use, so that the radio frequency input unit and the radio frequency data integration unit receive satellite signals, and the sensor unit and the baseband digital processing unit receive position signals of the signal receiving module, so that the satellite signal receiving performance of the system is further improved, and the accuracy of the position information of the signal receiving module is ensured.
2. According to the satellite navigation monitoring system and the monitoring method, the distance acquisition unit, the smoothing processing unit, the inertial navigation calculation unit and the navigation data fusion unit are used in a matched mode, so that the navigation data fusion unit determines the accurate position of the current signal receiving module, and the smoothing processing unit collects the position information monitored by the satellite, so that the data analysis efficiency of the system is further improved, and the probability of errors of the satellite navigation information is further reduced.
3. According to the satellite navigation monitoring system and the monitoring method, the data comparison module is arranged, so that the system can compare the position information of the signal receiving module monitored by the satellite with the accurate position information of the monitoring equipment, workers can know the monitoring error of satellite navigation more accurately, and the working pressure of the workers in data analysis is further reduced.
4. According to the satellite navigation monitoring system and the monitoring method, the data acquisition unit, the data sorting unit, the data grouping unit, the data storage unit, the data backup unit and the data output unit are matched for use, so that the data storage unit stores the monitoring data, and the data backup unit backs up the data, thereby further reducing the probability of loss of the monitoring data and enabling a worker to analyze and research the monitoring data in a longer time.
Drawings
FIG. 1 is a system diagram of the present invention;
FIG. 2 is a schematic system diagram of a signal receiving module according to the present invention;
FIG. 3 is a schematic system diagram of a signal analysis value acquisition module according to the present invention;
FIG. 4 is a system diagram of the log module principle of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a satellite navigation monitoring system, including the signal reception module, the signal reception module output is connected with the input electricity of signal analysis value collection module, the output of signal analysis value collection module is connected with the input electricity of data comparison module, the output of data comparison module is connected with the input electricity of log module, the output of log module is connected with the input electricity of display module, through setting up the data comparison module, make this system can compare the accurate position information that signal reception module positional information and monitoring facilities located that the satellite was monitored, thereby make the staff can be comparatively accurate learn the monitoring error of satellite navigation, the operating pressure of staff's analysis data has further been reduced.
In the invention, in order to further enhance the signal receiving performance of the signal receiving module, the signal receiving module comprises a radio frequency input unit, a radio frequency data integration unit, a sensor unit, a baseband digital processing unit and an information output unit, wherein the output end of the radio frequency input unit is electrically connected with the output end of the radio frequency data integration unit, the output end of the sensor unit is electrically connected with the input end of the baseband digital processing unit, the output ends of the radio frequency data integration unit and the baseband digital processing unit are electrically connected with the input end of the signal output unit, the radio frequency input unit and the radio frequency data integration unit receive satellite signals through the matching use of the radio frequency input unit, the radio frequency data integration unit, the sensor unit and the baseband digital processing unit, and the sensor unit and the baseband digital processing unit receive position signals of the signal receiving module, therefore, the receiving performance of the system for satellite signals is further improved, and the accuracy of the position information of the signal receiving module is ensured.
In the invention, in order to further improve the data analysis efficiency of the system, the signal analysis value acquisition module comprises a distance acquisition unit, a smoothing processing unit, an inertial navigation calculation unit, a navigation data fusion unit and a pseudo-range analysis value acquisition unit, wherein the output end of the distance acquisition unit is electrically connected with the input end of the smoothing processing unit, the output end of the smoothing processing unit is electrically connected with the input end of the smoothing processing unit, the output end of the inertial navigation calculation unit is electrically connected with the input end of the navigation data fusion unit, the output end of the navigation data fusion unit is electrically connected with the input end of the pseudo-range analysis value acquisition unit, the navigation data fusion unit determines the accurate position of the current signal receiving module through the matching use of the distance acquisition unit, the smoothing processing unit, the inertial navigation calculation unit and the navigation data fusion unit, and the smoothing processing unit collects the position information monitored by a satellite, therefore, the data analysis efficiency of the system is further improved, and the probability of errors of the satellite navigation information is further reduced.
In the invention, in order to further reduce the loss probability of the monitoring data, the log module comprises a data acquisition unit, a data sorting unit, a data grouping unit, a data storage unit, a data backup unit and a data output unit, wherein the output end of the data acquisition unit is electrically connected with the input end of the data sorting unit, the output end of the data sorting unit is electrically connected with the input end of the data grouping unit, the output end of the data grouping unit is electrically connected with the input end of the data storage unit, the output end of the data storage unit is electrically connected with the input end of the data backup unit, the data backup unit is electrically connected with the data output unit, the data acquisition unit, the data sorting unit, the data grouping unit, the data storage unit, the data backup unit and the data output unit are matched for use, so that the data storage unit stores the monitoring data, and the data, therefore, the probability of monitoring data loss is further reduced, and workers can analyze and research the monitoring data in a longer time.
In the invention, in order to further improve the display effect of the system, the display module is an LED display, and the LED display is a Hewlett packard brand nineteen-inch LED display with the model number of E190i, so that the effect of displaying data of the system is enhanced, and the working efficiency of the system is improved.
In the invention, in order to further improve the satellite signal receiving capacity of the system, the radio frequency input unit receives the navigation satellite signal and outputs a digital intermediate frequency signal, the digital intermediate frequency signal is integrated through the radio frequency data integration unit, and the digital intermediate frequency signal is integrated through the radio frequency data integration unit, so that the satellite signal receiving capacity of the system is further improved.
In the invention, in order to further reduce the possibility of data loss, the data backup unit backs up the data stored in the data storage unit, the data output unit transmits signals to the display unit, and the data backup unit is arranged, so that the possibility of data loss is further reduced.
In the invention, in order to enable the system to accurately know the position of the monitoring equipment, the sensor unit acquires the speed, acceleration and direction information of the current signal receiving module, and the baseband processing unit performs data processing on the information transmitted by the sensor unit, so that the system can obtain the accurate position of the monitoring equipment through the sensor unit.
In the invention, in order to further improve the monitoring data integration capability of the system, the data acquisition unit acquires the data acquired by the pseudo-range analysis value acquisition unit, the data sorting unit sorts the data transmitted by the data acquisition unit, the data grouping unit groups the sorted data, and the data grouping unit is arranged, so the monitoring data integration capability of the system is further improved.
The monitoring method of the satellite navigation monitoring system comprises the following steps:
1) signal receiving: the system comprises a radio frequency input unit, a radio frequency data integration unit, a sensor unit, a baseband processing unit and a signal analysis and acquisition module, wherein the radio frequency input unit receives radio frequency signals sent by a satellite, the radio frequency data integration unit performs data integration on the received radio frequency signals, the sensor unit acquires speed, acceleration and direction information of a currently-received signal receiving module, the baseband processing unit performs data processing on the information transmitted by the sensor unit, and the information output unit transmits the integrated radio frequency data and signals of the baseband processing unit to the signal analysis and acquisition module.
2) Signal analysis: the distance acquisition unit acquires the distance of a corresponding satellite according to the integrated radio frequency data, the smoothing processing unit analyzes the satellite distance data to obtain position information monitored by the satellite, the inertial navigation calculation unit calculates speed, acceleration and direction information, the navigation data fusion unit determines the accurate position of the current signal receiving module, and the pseudo-range analysis value acquisition unit performs pseudo-range analysis on the position information monitored by the satellite and the accurate position information of the current signal receiving module.
3) Comparing the data; the data comparison module compares the position information of the signal receiving module monitored by the satellite with the accurate position information determined by the navigation data fusion unit, and obtains a data error between the position of the monitoring equipment monitored by the satellite and the position of the actual monitoring equipment.
4) And (3) data recording: the data acquisition unit acquires comparison information transmitted by the data comparison module, the data integration unit integrates acquired comparison data, the data grouping unit groups and summarizes the integrated comparison data, the data storage unit stores the grouped data, the data backup unit backs up the data in the data storage unit, and the data in the data backup unit is output to the display module through the data output unit.
5) And (3) displaying data: the LED display displays the data transmitted by the data output unit.
The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.
In step (3), the data comparison module compares the position information of the signal receiving module monitored by the satellite with the accurate position information determined by the navigation data fusion unit by the following preset method:
step a1, recording a signal receiving module position information sample monitored by a satellite as X, wherein X includes N dimensional features and is recorded as: x ═ X1，x2，x3...xn]N is a positive integer greater than 1;
recording the accurate position information sample determined by the navigation data fusion unit as Y, wherein Y contains N dimensional characteristics and is recorded as Y [ Y ]1，y2，y3...yn]N is a positive integer greater than 1;
step A2, the data comparison module calculates any two corresponding features X in the sample X and the sample Y by the following formulaiAnd yiEuclidean distance d (x)i，yi)：
Wherein m is the dimension number of the space, the dimension of the space is selected to be 3-dimensional space, and i is a positive integer less than or equal to n，d(xi，yi) The value range of (1) is [ 0 ] and d (x)i，yi) The smaller the value of (A), the two corresponding characteristics x are representediAnd yiThe higher the similarity is;
step A3, the data comparison module compares the obtained original X with any two corresponding features X in the sample YiAnd yiEuclidean distance d (x)i，yi) And transmitting the data to a data acquisition unit.
The technical effect of the technical scheme is as follows: respectively summarizing and counting the position information of the signal receiving module monitored by the satellite and the accurate position information determined by the navigation data fusion unit into independent sample modes, comparing the characteristics of the corresponding positions in the two samples, adopting a Euclidean distance calculation formula to compare the similarity, the similarity value is recorded and transmitted in real time, the following information processing is convenient, the condition of each position in the space is considered in a Euclidean distance calculation mode, the smaller the distance is, the greater the similarity is, because the dimension of the characteristic components is not consistent, each component is generally required to be standardized and is independent of a unit, the Euclidean distance can reflect the absolute difference of individual characteristics, the analysis of the difference required to be reflected from the numerical value of the dimension is facilitated, the method is just suitable for the navigation monitoring system, and the statistical accuracy is improved.
In summary, according to the satellite navigation monitoring system and the monitoring method, the radio frequency input unit, the radio frequency data integration unit, the sensor unit and the baseband digital processing unit are used in cooperation, so that the radio frequency input unit and the radio frequency data integration unit receive satellite signals, and the sensor unit and the baseband digital processing unit receive position signals of the signal receiving module, thereby further improving the satellite signal receiving performance of the system and ensuring the accuracy of the position information of the signal receiving module.
According to the satellite navigation monitoring system and the monitoring method, the distance acquisition unit, the smoothing processing unit, the inertial navigation calculation unit and the navigation data fusion unit are used in a matched mode, so that the navigation data fusion unit determines the accurate position of the current signal receiving module, and the smoothing processing unit collects the position information monitored by the satellite, so that the data analysis efficiency of the system is further improved, and the probability of errors of the satellite navigation information is further reduced.
According to the satellite navigation monitoring system and the monitoring method, the data comparison module is arranged, so that the system can compare the position information of the signal receiving module monitored by the satellite with the accurate position information of the monitoring equipment, workers can know the monitoring error of satellite navigation more accurately, and the working pressure of the workers in data analysis is further reduced.
According to the satellite navigation monitoring system and the monitoring method, the data acquisition unit, the data sorting unit, the data grouping unit, the data storage unit, the data backup unit and the data output unit are matched for use, so that the data storage unit stores the monitoring data, and the data backup unit backs up the data, thereby further reducing the probability of loss of the monitoring data and enabling a worker to analyze and research the monitoring data in a longer time.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A satellite navigation monitoring system comprises a signal receiving module, and is characterized in that: the output end of the signal receiving module is electrically connected with the input end of the signal analysis value acquisition module, the output end of the signal analysis value acquisition module is electrically connected with the input end of the data comparison module, the output end of the data comparison module is electrically connected with the input end of the log module, and the output end of the log module is electrically connected with the input end of the display module.
2. The satellite navigation monitoring system of claim 1, wherein: the signal receiving module comprises a radio frequency input unit, a radio frequency data integration unit, a sensor unit, a baseband digital processing unit and an information output unit, wherein the output end of the radio frequency input unit is electrically connected with the output end of the radio frequency data integration unit, the output end of the sensor unit is electrically connected with the input end of the baseband digital processing unit, and the output ends of the radio frequency data integration unit and the baseband digital processing unit are electrically connected with the input end of the signal output unit.
3. The satellite navigation monitoring system of claim 1, wherein: the signal analysis value acquisition module comprises a distance acquisition unit, a smoothing processing unit, an inertial navigation calculation unit, a navigation data fusion unit and a pseudo-range analysis value acquisition unit, wherein the output end of the distance acquisition unit is electrically connected with the input end of the smoothing processing unit, the output end of the smoothing processing unit is electrically connected with the input end of the smoothing processing unit, the output end of the inertial navigation calculation unit is electrically connected with the input end of the navigation data fusion unit, and the output end of the navigation data fusion unit is electrically connected with the input end of the pseudo-range analysis value acquisition unit.
4. The satellite navigation monitoring system of claim 1, wherein: the log module comprises a data acquisition unit, a data sorting unit, a data grouping unit, a data storage unit, a data backup unit and a data output unit, wherein the output end of the data acquisition unit is electrically connected with the input end of the data sorting unit, the output end of the data sorting unit is electrically connected with the input end of the data grouping unit, the output end of the data grouping unit is electrically connected with the input end of the data storage unit, the output end of the data storage unit is electrically connected with the input end of the data backup unit, and the data backup unit is electrically connected with the data output unit.
5. The satellite navigation monitoring system of claim 1, wherein: the display module is an LED display, and the LED display is a Hewlett packard brand nineteen-inch LED display with the model number E190 i.
6. The satellite navigation monitoring system of claim 2, wherein: the radio frequency input unit receives the navigation satellite signal and outputs a digital intermediate frequency signal, and then the digital intermediate frequency signal is integrated through the radio frequency data integration unit.
7. The satellite navigation monitoring system according to claim 4, wherein: the data backup unit backs up the data stored in the data storage unit and transmits signals to the display unit through the data output unit;
the data acquisition unit acquires the data acquired by the pseudo-range analysis value acquisition unit, the data sorting unit sorts the data transmitted by the data acquisition unit, and the data grouping unit groups the sorted data.
8. The satellite navigation monitoring system of claim 2, wherein: the sensor unit acquires speed, acceleration and direction information of the current signal receiving module, and the baseband processing unit processes data through the information transmitted by the sensor unit.
9. A monitoring method of a satellite navigation monitoring system is characterized in that: the method comprises the following steps:
1) signal receiving: the system comprises a radio frequency input unit, a radio frequency data integration unit, a sensor unit, a baseband processing unit, a signal analysis and acquisition module, a signal processing unit and a signal output unit, wherein the radio frequency input unit receives radio frequency signals sent by a satellite, the radio frequency data integration unit performs data integration on the received radio frequency signals, the sensor unit acquires speed, acceleration and direction information of a currently received signal receiving module, the baseband processing unit performs data processing on the information transmitted by the sensor unit, and the information output unit transmits the integrated radio frequency data and signals of the baseband processing unit to the signal;
2) signal analysis: the distance acquisition unit acquires the distance of a corresponding satellite according to the integrated radio frequency data, the smoothing processing unit analyzes the satellite distance data to obtain position information monitored by the satellite, the inertial navigation calculation unit calculates speed, acceleration and direction information, the navigation data fusion unit determines the accurate position of the current signal receiving module, and the pseudo-range analysis value acquisition unit performs pseudo-range analysis on the position information monitored by the satellite and the accurate position information of the current signal receiving module;
3) comparing the data; the data comparison module compares the position information of the signal receiving module monitored by the satellite with the accurate position information determined by the navigation data fusion unit, and obtains a data error between the position of the monitoring equipment monitored by the satellite and the position of the actual monitoring equipment;
4) and (3) data recording: the data acquisition unit acquires comparison information transmitted by the data comparison module, the data integration unit integrates acquired comparison data, the data grouping unit groups and summarizes the integrated comparison data, the data storage unit stores the grouped data, the data backup unit backs up the data in the data storage unit, and the data in the data backup unit is output to the display module through the data output unit;
5) and (3) displaying data: the LED display displays the data transmitted by the data output unit.
10. The monitoring method of the satellite navigation monitoring system according to claim 9, wherein: in step (3), the data comparison module compares the position information of the signal receiving module monitored by the satellite with the accurate position information determined by the navigation data fusion unit by the following preset method:
step a1, recording a signal receiving module position information sample monitored by a satellite as X, wherein X includes N dimensional features and is recorded as: x ═ X1，x2，x3...xn]N is a positive integer greater than 1;
recording the accurate position information sample determined by the navigation data fusion unit as Y, wherein Y contains N dimensional characteristics and is recorded as Y [ Y ]1，y2，y3...yn]N is a positive integer greater than 1;
step A2, the data comparison module calculates any two corresponding features X in the sample X and the sample Y by the following formulaiAnd yiEuclidean distance d (x)i，yi)：
Wherein m is the dimensional number of the space, i is a positive integer less than or equal to n, and d (x)i，yi) The value range of (1) is [ 0 ] and d (x)i，yi) The smaller the value of (A), the two corresponding characteristics x are representediAnd yiThe higher the similarity is;
step A3, the data comparison module compares the obtained original X with any two corresponding features X in the sample YiAnd yiEuclidean distance d (x)i，yi) And transmitting the data to a data acquisition unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011075275.3A CN112213744A (en) | 2020-10-09 | 2020-10-09 | Satellite navigation monitoring system and monitoring method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011075275.3A CN112213744A (en) | 2020-10-09 | 2020-10-09 | Satellite navigation monitoring system and monitoring method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112213744A true CN112213744A (en) | 2021-01-12 |
Family
ID=74054322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011075275.3A Withdrawn CN112213744A (en) | 2020-10-09 | 2020-10-09 | Satellite navigation monitoring system and monitoring method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112213744A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115643533A (en) * | 2022-12-22 | 2023-01-24 | 成都安则科技有限公司 | Method and system for determining receiving station position for radio navigation |
| CN117538915B (en) * | 2024-01-10 | 2024-03-26 | 吉林省吉能电力通信有限公司 | Beidou positioning terminal for electric power |
-
2020
- 2020-10-09 CN CN202011075275.3A patent/CN112213744A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115643533A (en) * | 2022-12-22 | 2023-01-24 | 成都安则科技有限公司 | Method and system for determining receiving station position for radio navigation |
| CN117538915B (en) * | 2024-01-10 | 2024-03-26 | 吉林省吉能电力通信有限公司 | Beidou positioning terminal for electric power |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102209386B (en) | A kind of indoor wireless positioning method and device | |
| CN201266237Y (en) | High precision GPS difference system | |
| CN112213744A (en) | Satellite navigation monitoring system and monitoring method | |
| CN107462905A (en) | A kind of Big Dipper GPS dual-mode localization method, positioning terminal and alignment system | |
| US20140159952A1 (en) | Systems and Methods to Enhance Reliability of Measured Position Data | |
| CN103618997A (en) | Indoor positioning method and device based on signal intensity probability | |
| CN111123345B (en) | GNSS measurement-based empirical ionosphere model data driving method | |
| CN216925591U (en) | Portable laser measuring equipment based on dynamic real-time positioning | |
| Guanke et al. | Research on seamless positioning of power wearables based on GPS/UWB combination | |
| CN111156922A (en) | Method for measuring by using contour | |
| CN114580452A (en) | Olfactory algorithm-based method for remotely sensing RFID electronic interface | |
| CN111538044B (en) | Low-cost RTK receiver positioning accuracy testing method | |
| CN114323014A (en) | Indoor and outdoor integrated navigation method, electronic equipment, storage medium, program product and system | |
| CN201698026U (en) | Map customizable high-precision positioner based on air pressure altitude measuring technique | |
| CN103777196A (en) | Ground target distance single station measurement method based on geographic information and measurement system thereof | |
| Braun et al. | Development of a water vapor tomography system using low cost L1 GPS receivers | |
| CN110850447A (en) | Method for comprehensively evaluating positioning accuracy of train positioning unit | |
| CN115460692A (en) | High accuracy positioning terminal based on RTK + bluetooth hybrid location | |
| CN114488247A (en) | Method for analyzing mobility of equipment based on high-precision Beidou differential positioning | |
| CN114397009A (en) | Beidou differential positioning-based transmission conductor galloping monitoring system and method | |
| CN107991646A (en) | Very low frequency navigation electric wave propagation prediction refined method based on cloud framework | |
| CN103048639A (en) | Device for measuring space three-dimensional coordinates | |
| He et al. | Performance evaluation for bds-2+ bds-3 combined precision point positioning | |
| CN117148397B (en) | Doppler single search matching positioning method for low-orbit satellite opportunistic signals | |
| Wang et al. | Beidou GPS SINS satellite positioning system based on embedded operating system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210112 |
|
| WW01 | Invention patent application withdrawn after publication |