CN113740886A - Controlled code centralized/distributed management configuration method for starry navigation simulation - Google Patents
Controlled code centralized/distributed management configuration method for starry navigation simulation Download PDFInfo
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- CN113740886A CN113740886A CN202111298670.2A CN202111298670A CN113740886A CN 113740886 A CN113740886 A CN 113740886A CN 202111298670 A CN202111298670 A CN 202111298670A CN 113740886 A CN113740886 A CN 113740886A
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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
Abstract
The invention relates to the field of satellite navigation test, in particular to a centralized/distributed management configuration method of controlled codes for starry navigation simulation. The simulation management unit calculates and generates configuration parameters and control parameters according to the simulation requirements of the starry navigation, and respectively issues the configuration parameters and the control parameters to the controlled code extraction and distribution unit and the gigabit switch; the controlled code extracting and distributing unit receives the configuration parameters and forwards the configuration parameters to the controlled code generating module, and the gigabit switch forwards the input controlled code data to the controlled code forwarding and processing module; the kilomega switch generates corresponding control parameters and sends the control parameters to the N paths of controlled forwarding processing modules; and output to the satellite navigation analog signal generating unit; generating N paths of controlled satellite navigation analog signals by the N paths of satellite navigation analog signals; therefore, 1 controlled code generation module is configured to realize the distribution of multipath teaching and control satellite navigation analog signals to the gypsophile, the use number of the controlled code generation modules is reduced, the safety of the controlled code generation modules is improved, and the safe and efficient management of the controlled code generation modules is ensured.
Description
Technical Field
The invention relates to the field of satellite navigation test, in particular to a centralized/distributed management configuration method of controlled codes for starry navigation simulation.
Background
The babysbreath anti-interference test is a research hotspot in recent years, and a multipath satellite navigation signal analog signal needs to be output through navigation analog equipment in the babysbreath anti-interference environment. The satellite navigation signal adopts a pseudo-random code direct sequence spread spectrum signal, controlled satellite navigation signals used in some special scenes adopt controlled codes to carry out spread spectrum emission, and a user terminal uses a controlled code generation module to demodulate and position received signals, so that when a controlled satellite navigation signal simulation test is carried out, navigation signal simulation equipment needs to use the controlled code generation module to generate controlled satellite navigation simulation signals, the management of the controlled code generation module has great influence on the data security of the user terminal and application scenes, and unified management and operation and maintenance are needed.
The problem that the existing single controlled code generation module cannot simultaneously communicate with a multi-path authorized satellite navigation analog signal unit, and the code fetching synchronization of each path of authorized satellite navigation analog signal unit cannot be ensured if the existing single controlled code generation module is directly transmitted through an external adapter plate extended physical interface, and the controlled code generation modules are dispersed in different devices, so that the safety management and operation and maintenance are difficult; therefore, the simultaneous communication between the single controlled code generation module and the multi-path authorized satellite navigation analog signal unit cannot be realized by the technical personnel in the field according to the prior art and the theoretical basis; therefore, a centralized-distributed management configuration method for controlled codes for starry navigation simulation is needed by those skilled in the art, so that the number of used controlled code generation modules is reduced, the application security of the controlled code generation modules is improved, and the management security and the high efficiency of the controlled code generation modules are ensured.
Disclosure of Invention
The invention aims to provide a centralized/distributed management configuration method of controlled codes for starry navigation simulation, thereby overcoming the defects in the prior art.
The invention is realized by the following technical scheme that the device comprises a simulation management unit, a controlled code extracting and distributing unit, a controlled code generating module, a gigabit switch, a controlled code forwarding processing module and a satellite analog signal generating unit;
the simulation management unit calculates and generates configuration parameters and control parameters according to the simulation requirements of the starry navigation, and respectively issues the configuration parameters and the control parameters to the controlled code extraction and distribution unit and the gigabit switch; the controlled code extracting and distributing unit receives the configuration parameters and forwards the configuration parameters to the controlled code generating module, and simultaneously outputs the controlled code data after the controlled code stream output by the controlled code generating module is processed by a communication protocol; the tera switch forwards the input controlled code data to the controlled code forwarding processing module; the kilomega switch forwards the received control parameters to the satellite guide analog signal generating unit, and generates corresponding control parameters to be sent to the N-channel controlled forwarding processing module after the control parameters are analyzed and processed by the satellite guide analog signal generating unit; the N controlled code forwarding processing modules convert the input controlled code data into corresponding controlled code streams according to the control parameters and output the controlled code streams to the guide analog signal generating unit; the N-channel satellite navigation analog signal generating unit generates N-channel controlled satellite navigation analog signals by combining the received controlled code stream according to the control parameters; therefore, the multi-channel teaching and controlling satellite navigation analog signal babysbreath distribution is realized by configuring 1 controlled code generating module.
The simulation management unit calculates and generates configuration parameters and control parameters according to the simulation requirements of the starry navigation; the configuration parameters comprise controlled code clock parameters, code fetching initial time and code fetching length; the control parameters comprise navigation simulation satellite numbers and frequency points, data framing is carried out according to different requirements, and each group of control parameters corresponds to different ip ID numbers; all control parameters are distributed out over the gigabit network.
The controlled code extracting and distributing unit is mainly used for extracting and distributing the controlled codes; specifically, a corresponding code clock is generated according to the configuration parameters and output to the controlled code generation module, and code fetching initial time and code fetching length parameters are provided to the controlled code generation module; converting the controlled code data output by the controlled code generation module into a plurality of groups of controlled code data streams in a specified format, wherein each group of controlled code data streams correspond to different vlan ID numbers; and all data are framed and distributed and output through a gigabit network.
The ten-gigabit switch distributes controlled code data streams to controlled code forwarding processing modules 1 to N according to different vlan ID numbers, the controlled code forwarding processing modules 1 to N filter and cache acquired code stream data according to the vlan ID numbers, and convert the input controlled code data into corresponding controlled code streams according to control parameters.
The gigabit switch distributes control parameters to the satellite guide analog signal generation units 1 to N according to different ip ID numbers, the satellite guide analog signal generation units 1 to N acquire corresponding control parameters including signal frequency points and satellite number simulation parameters according to the ip ID numbers, and corresponding controlled code streams are extracted from the controlled code forwarding processing modules 1 to N and output; the output data code stream and the synchronous signal are both synchronous with the code clock generated by the controlled code extraction and distribution unit.
The time sequence of the transmitted controlled code stream is not influenced by link delay to accurately generate a controlled satellite navigation analog signal, the working time sequence is comprehensively controlled by a simulation management unit, and the working time sequence comprises that a controlled code extraction and distribution unit receives configuration parameters at the time0 and extracts the controlled code stream with the simulation time of T0; the controlled code forwarding processing module starts to receive the controlled code data at time0+ N seconds and stores the controlled code data in a cache area; the satellite navigation signal generating unit receives the control parameters at the time of time0, and starts to output the controlled code stream at the time of T0 after controlling the controlled code forwarding processing module for time0+ (N + 1) seconds, and the controlled code stream of the satellite navigation signal generated by the satellite signal simulating unit starts from the time of T0.
The invention comprises the following working procedures:
step 1: the simulation management unit calculates and generates configuration parameters and control parameters according to the simulation requirements of the starry navigation, and respectively issues the configuration parameters and the control parameters to the controlled code extraction and distribution unit and the gigabit switch;
step 2: the controlled code extracting and distributing unit forwards the configuration parameters to the controlled code generating module, and simultaneously converts the controlled code stream output by the controlled code generating module into a plurality of groups of controlled code data streams with the same format, wherein each group of controlled code data streams correspond to different vlan ID numbers; all data framing processing is distributed and output through a gigabit network;
and step 3: the ten-gigabit switch forwards the input controlled code data to the controlled code forwarding processing modules 1 to N;
and 4, step 4: the controlled code forwarding processing modules 1 to N filter and cache the acquired code stream data according to the vlan ID number;
and 5: the gigabit switch forwards the received control parameters to the satellite guide analog signal generation units 1 to N, and the satellite guide analog signal generation units 1 to N acquire corresponding control parameters including signal frequency points and satellite number simulation parameters according to the ip ID number and send the control parameters to the controlled code forwarding processing modules 1 to N;
step 6: the controlled code forwarding processing modules 1 to N extract corresponding controlled code data, convert the controlled code data into a controlled code stream with a specified format and output the controlled code stream to the guardian analog signal generating unit;
and 7: and the satellite navigation analog signal generating unit generates a controlled satellite navigation analog signal by combining the received controlled code stream according to the control parameters.
The device mainly comprises a simulation management unit, a controlled code extracting and distributing unit, a controlled code generating module, a gigabit switch, N controlled code forwarding processing modules and N satellite analog signal generating units;
the simulation management unit is respectively in signal connection with the controlled code extraction and distribution unit and the gigabit switch; the controlled code extracting and distributing unit is in signal connection with the controlled code generating module and the gigabit switch; the tera switch is in signal connection with the N controlled code forwarding processing modules; the kilomega switch is in signal connection with the N satellite analog signal generating units; the N controlled code forwarding processing modules are in corresponding signal connection with the N satellite analog signal generating units.
The use number of the controlled code generation modules is reduced, the application safety of the controlled code generation modules is improved, and the safe and efficient management of the controlled code generation modules is ensured.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a block diagram of the components of the present invention.
Fig. 2 is a flow chart of the present invention.
Fig. 3 is a method for managing and controlling the working timing of controlled code extraction and application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention;
in addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other. The invention will be described in more detail below with reference to the accompanying drawings. Like elements in the various figures are denoted by like reference numerals. For purposes of clarity, the various features of the drawings are not necessarily to scale;
the following describes a centralized/distributed management configuration method and apparatus for controlled codes used for starry navigation simulation according to an embodiment of the present invention with reference to fig. 1 to 3, including a simulation management unit, a controlled code extraction and distribution unit, a controlled code generation module, a gigabit switch, a controlled code forwarding processing module, and a satellite analog signal generation unit;
the simulation management unit calculates and generates configuration parameters and control parameters according to the simulation requirements of the starry navigation, and respectively issues the configuration parameters and the control parameters to the controlled code extraction and distribution unit and the gigabit switch; the controlled code extracting and distributing unit receives the configuration parameters and forwards the configuration parameters to the controlled code generating module, and simultaneously outputs the controlled code data after the controlled code stream output by the controlled code generating module is processed by a communication protocol; the tera switch forwards the input controlled code data to the controlled code forwarding processing module; the kilomega switch forwards the received control parameters to the satellite guide analog signal generating unit, and generates corresponding control parameters to be sent to the N-channel controlled forwarding processing module after the control parameters are analyzed and processed by the satellite guide analog signal generating unit; the N controlled code forwarding processing modules convert the input controlled code data into corresponding controlled code streams according to the control parameters and output the controlled code streams to the guide analog signal generating unit; the N-channel satellite navigation analog signal generating unit generates N-channel controlled satellite navigation analog signals by combining the received controlled code stream according to the control parameters; therefore, the multi-channel teaching and controlling satellite navigation analog signal babysbreath distribution is realized by configuring 1 controlled code generating module.
The simulation management unit calculates and generates configuration parameters and control parameters according to the simulation requirements of the starry navigation; the configuration parameters comprise controlled code clock parameters, code fetching initial time and code fetching length; the control parameters comprise navigation simulation satellite numbers and frequency points, data framing is carried out according to different requirements, and each group of control parameters corresponds to different ip ID numbers; all control parameters are distributed out over the gigabit network.
The controlled code extracting and distributing unit is mainly used for extracting and distributing the controlled codes; specifically, a corresponding code clock is generated according to the configuration parameters and output to the controlled code generation module, and code fetching initial time and code fetching length parameters are provided to the controlled code generation module; converting the controlled code data output by the controlled code generation module into a plurality of groups of controlled code data streams in a specified format, wherein each group of controlled code data streams correspond to different vlan ID numbers; and all data are framed and distributed and output through a gigabit network.
The ten-gigabit switch distributes controlled code data streams to controlled code forwarding processing modules 1 to N according to different vlan ID numbers, the controlled code forwarding processing modules 1 to N filter and cache acquired code stream data according to the vlan ID numbers, and convert the input controlled code data into corresponding controlled code streams according to control parameters.
The gigabit switch distributes control parameters to the satellite guide analog signal generation units 1 to N according to different ip ID numbers, the satellite guide analog signal generation units 1 to N acquire corresponding control parameters including signal frequency points and satellite number simulation parameters according to the ip ID numbers, and corresponding controlled code streams are extracted from the controlled code forwarding processing modules 1 to N and output; the output data code stream and the synchronous signal are both synchronous with the code clock generated by the controlled code extraction and distribution unit.
In order to ensure that the time sequence of the delivered controlled code stream is not affected by the link delay to accurately generate the controlled satellite navigation analog signal, as shown in fig. 3, the method is a working time sequence control method for controlled code extraction and application, and ensures that the time sequence of the delivered controlled code stream is not affected by the link delay to accurately generate the controlled satellite navigation analog signal, wherein the working time sequence is comprehensively controlled by a simulation management unit, specifically, the method comprises the steps that the controlled code extraction and distribution unit receives configuration parameters at time0 and extracts the controlled code stream with the simulation time of T0; the controlled code forwarding processing module starts to receive the controlled code data at time0+ N seconds and stores the controlled code data in a cache area; the satellite navigation signal simulation generating unit receives the control parameters at the time of time0, and the controlled code forwarding processing module is controlled to start outputting the controlled code stream at the time of T0 after time0+ (N + 1) seconds, so that the satellite navigation signal generated by the satellite signal simulation unit is ensured to start from the time of T0.
As shown in fig. 2, the present invention includes the following workflow:
step 1: the simulation management unit calculates and generates configuration parameters and control parameters according to the simulation requirements of the starry navigation, and respectively issues the configuration parameters and the control parameters to the controlled code extraction and distribution unit and the gigabit switch;
step 2: the controlled code extracting and distributing unit forwards the configuration parameters to the controlled code generating module, and simultaneously converts the controlled code stream output by the controlled code generating module into a plurality of groups of controlled code data streams with the same format, wherein each group of controlled code data streams correspond to different vlan ID numbers; all data framing processing is distributed and output through a gigabit network;
and step 3: the ten-gigabit switch forwards the input controlled code data to the controlled code forwarding processing modules 1 to N;
and 4, step 4: the controlled code forwarding processing modules 1 to N filter and cache the acquired code stream data according to the vlan ID number;
and 5: the gigabit switch forwards the received control parameters to the satellite guide analog signal generation units 1 to N, and the satellite guide analog signal generation units 1 to N acquire corresponding control parameters including signal frequency points and satellite number simulation parameters according to the ip ID number and send the control parameters to the controlled code forwarding processing modules 1 to N;
step 6: the controlled code forwarding processing modules 1 to N extract corresponding controlled code data, convert the controlled code data into a controlled code stream with a specified format and output the controlled code stream to the guardian analog signal generating unit;
and 7: and the satellite navigation analog signal generating unit generates a controlled satellite navigation analog signal by combining the received controlled code stream according to the control parameters.
The device mainly comprises a simulation management unit, a controlled code extracting and distributing unit, a controlled code generating module, a gigabit switch, N controlled code forwarding processing modules and N satellite analog signal generating units;
the simulation management unit is respectively in signal connection with the controlled code extraction and distribution unit and the gigabit switch; the controlled code extracting and distributing unit is in signal connection with the controlled code generating module and the gigabit switch; the tera switch is in signal connection with the N controlled code forwarding processing modules; the kilomega switch is in signal connection with the N satellite analog signal generating units; the N controlled code forwarding processing modules are in corresponding signal connection with the N satellite analog signal generating units.
It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all 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.
Claims (7)
1. A centralized/distributed management configuration method of controlled codes for starry navigation simulation is characterized in that: the system comprises a simulation management unit, a controlled code extracting and distributing unit, a controlled code generating module, a gigabit switch, a controlled code forwarding processing module and a satellite analog signal generating unit;
the simulation management unit calculates and generates configuration parameters and control parameters according to the simulation requirements of the starry navigation, and respectively issues the configuration parameters and the control parameters to the controlled code extraction and distribution unit and the gigabit switch; the controlled code extracting and distributing unit receives the configuration parameters and forwards the configuration parameters to the controlled code generating module, and simultaneously outputs the controlled code data after the controlled code stream output by the controlled code generating module is processed by a communication protocol; the tera switch forwards the input controlled code data to the controlled code forwarding processing module; the kilomega switch forwards the received control parameters to the satellite guide analog signal generating unit, and generates corresponding control parameters to be sent to the N-channel controlled forwarding processing module after the control parameters are analyzed and processed by the satellite guide analog signal generating unit; the N controlled code forwarding processing modules convert the input controlled code data into corresponding controlled code streams according to the control parameters and output the controlled code streams to the guide analog signal generating unit; the N-channel satellite navigation analog signal generating unit generates N-channel controlled satellite navigation analog signals by combining the received controlled code stream according to the control parameters; therefore, the multi-channel teaching and controlling satellite navigation analog signal babysbreath distribution is realized by configuring 1 controlled code generating module.
2. The method of claim 1, wherein the method comprises a centralized/distributed management configuration of controlled codes for simulation of starry navigation
The simulation management unit calculates and generates configuration parameters and control parameters according to the simulation requirements of the starry navigation; the configuration parameters comprise controlled code clock parameters, code fetching initial time and code fetching length; the control parameters comprise navigation simulation satellite numbers and frequency points, data framing is carried out according to different requirements, and each group of control parameters corresponds to different ip ID numbers; all control parameters are distributed out over the gigabit network.
3. The method for centralized/distributed management and configuration of controlled codes for simulation of starry navigation according to claim 1, characterized in that:
the controlled code extracting and distributing unit is mainly used for extracting and distributing the controlled codes; specifically, a corresponding code clock is generated according to the configuration parameters and output to the controlled code generation module, and code fetching initial time and code fetching length parameters are provided to the controlled code generation module; converting the controlled code data output by the controlled code generation module into a plurality of groups of controlled code data streams in a specified format, wherein each group of controlled code data streams correspond to different vlan ID numbers; and all data are framed and distributed and output through a gigabit network.
4. The method for centralized/distributed management and configuration of controlled codes for simulation of starry navigation according to claim 1, characterized in that:
the ten-gigabit switch distributes controlled code data streams to controlled code forwarding processing modules 1 to N according to different vlan ID numbers, the controlled code forwarding processing modules 1 to N filter and cache acquired code stream data according to the vlan ID numbers, and convert the input controlled code data into corresponding controlled code streams according to control parameters.
5. The method for centralized/distributed management and configuration of controlled codes for simulation of starry navigation according to claim 1, characterized in that:
the gigabit switch distributes control parameters to the satellite guide analog signal generation units 1 to N according to different ip ID numbers, the satellite guide analog signal generation units 1 to N acquire corresponding control parameters including signal frequency points and satellite number simulation parameters according to the ip ID numbers, and corresponding controlled code streams are extracted from the controlled code forwarding processing modules 1 to N and output; the output data code stream and the synchronous signal are both synchronous with the code clock generated by the controlled code extraction and distribution unit.
6. The method for centralized/distributed management and configuration of controlled codes for simulation of starry navigation according to claim 1, characterized in that: the time sequence of the transmitted controlled code stream is not influenced by link delay to accurately generate a controlled satellite navigation analog signal, the working time sequence is comprehensively controlled by a simulation management unit, and the working time sequence comprises that a controlled code extraction and distribution unit receives configuration parameters at the time0 and extracts the controlled code stream with the simulation time of T0; the controlled code forwarding processing module starts to receive the controlled code data at time0+ N seconds and stores the controlled code data in a cache area; the satellite navigation signal generating unit receives the control parameters at the time of time0, and starts to output the controlled code stream at the time of T0 after controlling the controlled code forwarding processing module for time0+ (N + 1) seconds, and the controlled code stream of the satellite navigation signal generated by the satellite signal simulating unit starts from the time of T0.
7. The method for centralized/distributed management configuration of controlled codes for simulation of starry navigation according to any of claims 1 to 6, characterized in that it comprises the following workflow:
step 1: the simulation management unit calculates and generates configuration parameters and control parameters according to the simulation requirements of the starry navigation, and respectively issues the configuration parameters and the control parameters to the controlled code extraction and distribution unit and the gigabit switch;
step 2: the controlled code extracting and distributing unit forwards the configuration parameters to the controlled code generating module, and simultaneously converts the controlled code stream output by the controlled code generating module into a plurality of groups of controlled code data streams with the same format, wherein each group of controlled code data streams correspond to different vlan ID numbers; all data framing processing is distributed and output through a gigabit network;
and step 3: the ten-gigabit switch forwards the input controlled code data to the controlled code forwarding processing modules 1 to N;
and 4, step 4: the controlled code forwarding processing modules 1 to N filter and cache the acquired code stream data according to the vlan ID number;
and 5: the gigabit switch forwards the received control parameters to the satellite guide analog signal generation units 1 to N, and the satellite guide analog signal generation units 1 to N acquire corresponding control parameters including signal frequency points and satellite number simulation parameters according to the ip ID number and send the control parameters to the controlled code forwarding processing modules 1 to N;
step 6: the controlled code forwarding processing modules 1 to N extract corresponding controlled code data, convert the controlled code data into a controlled code stream with a specified format and output the controlled code stream to the guardian analog signal generating unit;
and 7: and the satellite navigation analog signal generating unit generates a controlled satellite navigation analog signal by combining the received controlled code stream according to the control parameters.
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