CN115994251A - Target projectile telemetering data analysis device and analysis system - Google Patents
Target projectile telemetering data analysis device and analysis system Download PDFInfo
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Abstract
The invention provides a target projectile telemetry data analysis device and an analysis system, belongs to the technical field of target projectile telemetry, and solves the problems that analysis efficiency is low and the analysis device has a single function when telemetry data types are more in the prior art. The device comprises a telemetry data receiving unit, a configuration file preprocessing unit and a telemetry data storage and analysis unit. And the telemetry data receiving unit is used for receiving telemetry data sent by the ground receiving station. The configuration file preprocessing unit is used for analyzing the configuration file of the telemetry data, establishing a data container according to the analysis result and the channel code name, and storing the telemetry data of the subframe where the code name is located, the specific position in the PCM subframe and the code index of the subframe in each container as a preprocessing result. The telemetry data storage and analysis unit is used for storing and analyzing the received telemetry data; and extracting original telemetry data from the corresponding container according to the preprocessing result, converting the original telemetry data into service data and displaying the service data.
Description
Technical Field
The invention relates to the technical field of target projectile telemetry, in particular to a target projectile telemetry data analysis device and an analysis system.
Background
The real-time performance of the telemetry data analysis is used as one of key performance indexes of telemetry data processing, so that test launching personnel can be guaranteed to master the change of the target projectile state parameters in real time, quickly judge data results, timely respond according to the data, and accurately judge and timely operate the test and launching processes.
The solutions of the prior art CN202111542985.7, CN202210103299.8 and CN202111354120.8 solve the problem of versatility of telemetry parsing software, and when a configuration file description frame format is constructed, location information of each data needs to be configured in a file generally, and when telemetry data types are more, the amount of generated configuration files is large, and parsing efficiency is lower. At present, there is no resolution scheme capable of effectively reducing the resolution efficiency of a configuration file.
The analysis device in the prior art has relatively single function, mainly analyzes, does not support localized display on the analysis result of the telemetry data, but needs to be sent to external equipment for display, increases the hardware cost of the external equipment, does not support data playback, and cannot meet the application scene of playback analysis on the original data when the telemetry data conversion method is changed due to no data playback function.
Disclosure of Invention
In view of the above analysis, the embodiment of the invention aims to provide a target projectile telemetry data analysis device and analysis system, which are used for solving the problems of lower analysis efficiency and single function of the analysis device when telemetry data types are more in the prior art.
In one aspect, an embodiment of the present invention provides a target projectile telemetry data analysis device, including:
the telemetry data receiving unit is used for receiving telemetry data sent by the ground receiving station and respectively sending the telemetry data to the configuration file preprocessing unit and the telemetry data storage and analysis unit;
the configuration file preprocessing unit is used for reading a configuration file of the telemetry data from the local storage end, analyzing the configuration file, establishing a data container according to the analysis result and a channel code name, storing the telemetry data of a subframe where the code name is located, a specific position in a PCM subframe and a code index of the subframe in each container, and sending the telemetry data to the telemetry data storing and analyzing unit as a preprocessing result;
a telemetry data storage and parsing unit for storing the received telemetry data for data playback; carrying out data analysis on the received telemetry data to obtain analysis results of digital quantity and analog quantity; and extracting original telemetry data from the corresponding code data container according to the preprocessing result, converting the telemetry data by a setting method to obtain service data, and distributing a new data container which is globally shared to store the service data and display the service data.
The beneficial effects of the technical scheme are as follows: the target projectile telemetry data analysis device provided by the embodiment adopts a frame wave channel code name as a preprocessing configuration mode of the content, and automatically analyzes the processing mode of the data position information according to the code name. The mode of storing the sub-frame channel code name replaces the mode of storing the telemetry data frame attribute in the prior art, so that the time of presetting configuration files can be saved, the workload is reduced, the more obvious the telemetry service data are, the general efficiency is improved by more than 20%, and the degree of automation is obviously improved. And verifying under the conditions of 120 bytes of a telemetry subframe, 10 subframes, 1kHz frame frequency and about 10Mbps data rate, and displaying no stuck after analyzing the data without losing. In conclusion, the target projectile telemetry data analysis device is suitable for analyzing large service data.
Based on the further improvement of the device, the target projectile telemetering data analyzing device further comprises:
the telemetering data display unit is used for receiving the service data sent by the telemetering data storage and analysis unit and displaying the service data;
the remote sensing data playback unit is used for receiving the binary file sent by the remote sensing data storage and analysis unit as a data source, periodically reading data from the data source by taking a frame as a unit, and playing back the data; and when the converted setting method is changed, automatically transmitting the read data back to the telemetry data storage and analysis unit for processing again.
Furthermore, the target projectile telemetering data analyzing device adopts a multithreading processing mode; wherein, the liquid crystal display device comprises a liquid crystal display device,
the telemetry data receiving unit and the telemetry data storing and analyzing unit are configured in the same thread to sequentially execute the receiving and analyzing paths of telemetry data;
the telemetry data display unit is configured in an independent thread to be independent of the receiving and analyzing paths of the telemetry data.
Further, the target projectile telemetry data analysis device further comprises:
the remote data filtering unit is used for receiving the remote data extracted by the remote data storage and analysis unit, traversing the frame sequence number of each subframe from the remote data, carrying out the following frame sequence number continuity and correctness verification once for every three continuous subframes from the initial frame sequence number, firstly verifying whether the frame sequence numbers of the three continuous subframes are continuous, if not, carrying out the frame sequence number continuity and correctness verification again for the three continuous subframes from the second subframe of the three continuous subframes, if so, creating a counter, storing the theoretical frame sequence number of the next subframe after the three continuous subframes, verifying whether the actual frame sequence number of the next subframe after the three continuous subframes is equal to the stored value of the counter, if so, judging that the frame sequence number is valid, otherwise, judging that the frame sequence number is disordered, filtering the next subframe after the three continuous subframes, meanwhile, adding 1 to the value of the counter, continuing the frame sequence number continuity and correctness verification of the next three continuous subframes until all the subframes are verified, and sending the filtered remote data to the remote data storage unit as the remote data for further analysis of the remote data after the remote data is used as the original data.
Further, the storage form of the telemetry data storage and analysis unit for storing the business data comprises a local preset file or database; and, in addition, the processing unit,
the configuration file comprises an XML configuration file, and the content of the XML configuration file comprises telemetry frame information, a channel code name of a subframe, a telemetry analog quantity to be resolved and a telemetry digital quantity to be resolved.
Further, the telemetry data storage and analysis unit performs the following procedures to complete the functions of real-time analysis, display and playback of telemetry data:
s1, calling a configuration file preprocessing unit, reading and analyzing a configuration file, and obtaining a preprocessing result of the configuration file preprocessing unit;
s2, determining telemetry data indexed by the code number of the sub-frame in the preprocessing result as original data and the specific position of the original data in the PCM sub-frame according to the code number of the sub-frame corresponding to each service data;
s3, determining conversion relations between each service data and the original data;
s4, independently creating a telemetry data receiving-analyzing thread, so that the receiving and analyzing of telemetry data independently run in the telemetry data receiving-analyzing thread, and the display unit independently runs in the UI main thread, and the telemetry data receiving-analyzing thread and the UI main thread run concurrently;
s5, in the data receiving-analyzing thread, judging whether the working mode analyzes local original data through data playback or receives data of a ground receiving station so as to carry out branch processing; if the local original data is analyzed through data playback, a telemetry data playback unit is called, the stored binary file is used as the local original data file, and a telemetry data frame is read from the local original data file in real time; if the data of the ground receiving station is received, a telemetry data receiving unit is called, and a telemetry data frame is received through a network;
s6, analyzing the obtained telemetry data frame by a preset method, establishing a hash table storage structure, storing analysis results by using keys-values in the hash table storage structure, wherein the keys are data names, the values are queues formed by data corresponding to the data names, and after analysis, storing analyzed final service data in the corresponding queues and pushing the final service data to a telemetry data display unit;
s7, calling a telemetering data display unit, detecting whether the analysis result data is updated, if so, reading the updated analysis result data to update the data chart, and refreshing the display interface, otherwise, only refreshing the display interface.
Further, steps S5 and S6 are sequentially performed, and step S7 and steps S5 and S6 are concurrently performed.
Further, the data graph of the telemetry data display unit includes a two-dimensional graph and a three-dimensional graph.
Further, the telemetry data configuration file includes < FRAME > tags, < SUB tags of FRAME >, < AC > tags, < DC > tags; wherein, the liquid crystal display device comprises a liquid crystal display device,
a < FRAME > tag for storing telemetry FRAME information;
a SUB-tag < SUB > of < FRAME > for storing a channel code name of a SUB-FRAME;
an < AC > tag for storing telemetry analog quantity to be parsed;
and < DC > tag for storing the telemetry digital quantity to be parsed.
On the other hand, the embodiment of the invention provides a target projectile telemetering data analysis system which comprises the target projectile telemetering data analysis device, an on-projectile telemetering integrated machine and a ground receiving station; wherein, the liquid crystal display device comprises a liquid crystal display device,
the on-bullet telemetry all-in-one machine is provided with a telemetry data transmitting end which is used for transmitting telemetry data to the surface receiving station through a PCM wireless link;
the ground receiving station is provided with a telemetry data receiving end which is used for forwarding the received telemetry data to the target projectile telemetry data analyzing device in real time according to a UDP network protocol, and the sending process takes a frame as a unit, and the sending frequency is not lower than 1kHz.
Compared with the prior art, the invention has at least one of the following beneficial effects:
1. the telemetry data receiving, analyzing thread and UI thread concurrency scheme can solve the real-time problem of telemetry data analysis and display integration in the target projectile application field, and the analysis data is not lost and is displayed without blocking after verification under the conditions that the number of telemetry subframes is 120 bytes, the number of subframes is 10, the frame frequency is 1KHz and the data rate is about 10 Mbps.
2. The XML configuration file replaces the mode of storing the attribute of the telemetry data frame in the prior art by storing the sub-frame channel code, so that the time for presetting the configuration file can be saved, the workload can be reduced, the more obvious the telemetry service data are, the general efficiency is improved by more than 20%, and the degree of automation is obviously improved.
3. The integration of telemetry data analysis, display and playback functions improves the functional integration level of the device, reduces the use of special hardware equipment, for example, does not need to use professional display equipment and a control server, saves the hardware cost and simplifies the device.
The summary is provided to introduce a selection of concepts in a simplified form that are further described below in the detailed description. This summary is not intended to identify key features or essential features of the invention, nor is it intended to be used to limit the scope of the invention.
Drawings
The foregoing and other objects, features and advantages of the invention will be apparent from the following more particular descriptions of exemplary embodiments of the invention as illustrated in the accompanying drawings wherein like reference numbers generally represent like parts throughout the exemplary embodiments of the invention.
FIG. 1 is a schematic diagram showing the composition of a telemetry data analysis device for a target projectile according to example 1;
FIG. 2 is a schematic diagram showing the composition of a telemetry data analysis device of the target projectile of example 2;
FIG. 3 is a schematic diagram of the workflow of the telemetry data analysis device of the target projectile of example 2;
fig. 4 shows a flow chart of example 2 for filtering out frame-in-range data from target projectile telemetry data.
Detailed Description
Embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While embodiments of the present invention are illustrated in the drawings, it should be understood that the present invention may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
The term "comprising" and variations thereof as used herein means open ended, i.e., "including but not limited to. The term "or" means "and/or" unless specifically stated otherwise. The term "based on" means "based at least in part on". The terms "one example embodiment" and "one embodiment" mean "at least one example embodiment. The term "another embodiment" means "at least one additional embodiment". The terms "first," "second," and the like, may refer to different or the same object. Other explicit and implicit definitions are also possible below.
The abbreviations and definitions to which the invention relates are first described below
PCM: pulse code modulation.
IDC: the interface controls the document.
XML: extensible markup language.
Example 1
In one embodiment of the invention, a target projectile telemetry data analysis device is disclosed, as shown in fig. 1, and comprises a telemetry data receiving unit, a configuration file preprocessing unit and a telemetry data storage and analysis unit.
The telemetry data receiving unit is used for receiving telemetry data sent by the ground receiving station and respectively sending the telemetry data to the configuration file preprocessing unit and the telemetry data storage and analysis unit.
The configuration file preprocessing unit is used for reading a configuration file of the telemetry data from the local storage end (it is to be noted that the configuration file is not limited to XML, any configuration file using a frame channel code name as configuration content is within the protection scope of the invention), analyzing the configuration file, establishing a data container by the channel code name according to an analysis result (specifically, channel code information in the file), storing telemetry data of a subframe where the code name is located, a specific position in a PCM subframe and a code index of the subframe in each container, and sending the telemetry data to the telemetry data storing and analyzing unit as a preprocessing result.
A telemetry data storage and parsing unit for storing the received telemetry data (raw code data) in a predetermined binary file or other storage medium for data playback; carrying out data analysis on the received telemetry data to obtain analysis results of digital quantity and analog quantity; and extracting original telemetry data from the corresponding code data container according to the preprocessing result, converting the telemetry data by a setting method to obtain service data, and distributing a new data container which is globally shared to store the service data and display the service data.
The analysis process related to the telemetry data storage and analysis unit is as follows: extracting original data (telemetry data name of code index of the subframe) from a corresponding code data container according to a preprocessing result of a configuration file preprocessing unit, converting the original data to obtain service data according to a conversion method of the index to the corresponding service data, and storing the service data in a storage form including but not limited to a local preset file or a database.
Optionally, one path of the data end of the telemetry data receiving unit is connected with the data end of the telemetry data storing and analyzing unit through the configuration file preprocessing unit so as to provide a preprocessing result for the telemetry data storing and analyzing unit, and the other path of the data end of the telemetry data receiving unit is directly connected with the data end of the telemetry data storing and analyzing unit so as to provide telemetry data for the telemetry data storing and analyzing unit as original data.
When the configuration file preprocessing unit traverses the configuration file, when different channel codes are detected, a data container is established by the code name, the subframe where the code is stored in the container, and the specific position in the PCM subframe are indexed to the associated telemetry data according to the code of the subframe, and the analysis module can extract the original data according to the position information of each code in the data container, so that the corresponding service data is analyzed.
Test shows that: and verifying under the conditions of 120 bytes of a telemetry subframe, 10 subframes, 1kHz frame frequency and about 10Mbps data rate, and displaying no stuck after analyzing the data without losing. The time of presetting configuration files can be saved, the workload is reduced, and the more obvious the telemetry service data are, the general efficiency is improved by more than 20%, and the degree of automation is improved.
Compared with the prior art, the target projectile telemetry data analysis device provided by the embodiment adopts a frame wave channel code name as a preprocessing configuration mode of the content and a processing mode of automatically analyzing data position information according to the code name. The mode of storing the sub-frame channel code name replaces the mode of storing the telemetry data frame attribute in the prior art, so that the time of presetting configuration files can be saved, the workload is reduced, the more obvious the telemetry service data are, the general efficiency is improved by more than 20%, and the degree of automation is obviously improved. And verifying under the conditions of 120 bytes of a telemetry subframe, 10 subframes, 1kHz frame frequency and about 10Mbps data rate, and displaying no stuck after analyzing the data without losing. In conclusion, the target projectile telemetry data analysis device is suitable for analyzing large service data.
Example 2
The improvement on the basis of the embodiment 1, the target projectile telemetry data analysis device further comprises a telemetry data display unit and a telemetry data playback unit, as shown in fig. 2.
And the telemetry data display unit is used for receiving the service data sent by the telemetry data storage and analysis unit and displaying the service data. Because the updating of the data and the refreshing of the window interface are time-consuming, the embodiment places the unit on a separate thread, so that the unit does not influence the receiving of telemetry data, and the data display form is a two-dimensional chart.
The remote sensing data playback unit is used for receiving the binary file sent by the remote sensing data storage and analysis unit as a data source, periodically reading data from the data source by taking a frame as a unit, and playing back the data; and when the converted setting method is changed (the parameter is changed, the whole method is changed), automatically transmitting the read data back to a telemetry data storage and analysis unit for processing and reprocessing. The data playback unit is used for re-analyzing the stored telemetry original data, and is particularly used when the analysis method is changed and the analysis data is needed to be retrieved.
Preferably, the target projectile telemetry data analysis device adopts a multi-thread processing mode (not limited to 2, and any different thread division number for realizing the same function is within a protection range). The remote data receiving unit and the remote data storage and analysis unit are configured in the same thread to sequentially execute the receiving and analysis of the remote data; the telemetry data display unit is configured in an independent thread to be independent of the receiving and analyzing paths of the telemetry data. The telemetry data receiving unit and the telemetry data display unit are configured into independent threads, the two units monopolize respective processor resources, and the two modules execute concurrently without interference.
Alternatively, the new data container that is globally shared may be stored in a hash table structure, or in a specific structure based on a hash table structure, as will be understood by those skilled in the art.
Preferably, the telemetry data receiving unit and the ground receiving station are in network communication via a UDP protocol.
Preferably, the telemetry data storage and parsing unit stores the service data in a form including a local predetermined file or database.
The configuration file comprises an XML configuration file, and the content of the XML configuration file comprises telemetry frame information, a channel code name of a subframe, a telemetry analog quantity to be resolved and a telemetry digital quantity to be resolved. Specifically, the telemetry data includes < FRAME > tags, < SUB tags of FRAME >, < AC > tags, and < DC > tags in the configuration file. Wherein the < FRAME > tag is used for storing telemetry FRAME information; a SUB-tag < SUB > of < FRAME > for storing a channel code name of a SUB-FRAME; an < AC > tag for storing telemetry analog quantity to be parsed; and < DC > tag for storing the telemetry digital quantity to be parsed.
Preferably, the telemetry data storage and analysis unit performs the following procedures to complete real-time analysis, display and playback of telemetry data:
s1, calling a configuration file preprocessing unit, reading and analyzing a configuration file, and obtaining a preprocessing result of the configuration file preprocessing unit;
s2, determining a telemetry data name of a code index of a subframe in a preprocessing result according to the code of the subframe corresponding to each service data, wherein the telemetry data name is used as original data and a specific position of the original data in a PCM subframe; the goal of this step is to determine the location of the original data corresponding to each service data in the PCM sub-frame;
s3, determining conversion relations between each service data and the original data;
s4, independently creating a telemetry data receiving-analyzing thread, so that the receiving and analyzing of telemetry data independently run in the telemetry data receiving-analyzing thread, and the display unit independently runs in the UI main thread, and the telemetry data receiving-analyzing thread and the UI main thread run concurrently;
s5, in the data receiving-analyzing thread, judging whether the working mode is to analyze local original data through data playback or receive data of a ground receiving station through a UDP network protocol (or other protocols) so as to carry out branch processing; if the local original data is analyzed through data playback, a telemetry data playback unit is called, the stored binary file is used as the local original data file, and a telemetry data frame is read from the local original data file in real time for playback and reprocessing; if the data of the ground receiving station is received, a telemetry data receiving unit is called, and a telemetry data frame is received through a UDP network protocol network; (regardless of the manner in which the telemetry data frames are acquired, they are ultimately passed to a telemetry data storage and analysis unit for processing)
S6, analyzing the obtained telemetry data frame by a preset method, establishing a hash table storage structure, storing analysis results by using key-values in the hash table storage structure (storage forms are not limited to files, other data such as a database and the like are also in a protection range), wherein the keys are data names, the values are queues formed by data corresponding to the data names, and after analysis, storing analyzed final service data in the corresponding queues and pushing the final service data to a telemetry data display unit;
s7, calling a telemetering data display unit, detecting whether the analysis result data is updated, if so, reading the updated analysis result data to update the data chart, and refreshing the display interface, otherwise, only refreshing the display interface.
Preferably, step S7 and steps S5, S6 are performed concurrently, as illustrated in fig. 3, for example.
Preferably, the data display form of the telemetry data display unit includes a two-dimensional chart, a three-dimensional chart, a multi-dimensional chart, and the like.
Preferably, the target projectile telemetry data analysis device further comprises a telemetry data filtering unit for filtering error code data such as telemetry clutter frames in the analysis process.
Specifically, a telemetry data filtering unit for receiving the telemetry data (the frame number is included in the sub-frames of the telemetry data) extracted by the telemetry data storing and analyzing unit, traversing the frame number of each sub-frame from the telemetry data, and sequentially selecting three sub-frames (the third sub-frame from the first frame numberiFrame, the firsti+1 frame, thi+2 frames) is subjected to the following frame number continuity and correctness verification once, firstly, the analyzed three continuous subframes are automatically marked, and the third subframe is subjected to the following stepsiFrame sequence number of a frame is marked asnWill be at the firstiFrame number of +1 frame is marked asmWill be at the firstiFrame number of +2 frames is marked askThe frame numbers of the three consecutive subframes are verified (aboven、m、k) Whether or not to continue (i.e. to verify whether or not the frame number of the first subframe is satisfiednThe frame number of the second subframe should bem=n+1, frame number of the third subframe ofk=m+1), if not, from the second subframe among the consecutive three subframes, consecutive three subframes (the firsti+1 frame, thi+2 frame, thi+3 frames) again performs frame number continuity and correctness verification, if so, creates a counter, stores the concatenationTheoretical frame number of next subframe after three subframesn+3, i.e. initializing countersj=n+3, parsing the next subframe after the consecutive three subframes (the firsti+3 frames) and marked aslAnd verifies the actual frame number of the next sub-frame after the three consecutive sub-frameslStore the value with the counterj=nWhether +3 is equal, i.el=jIf equal, storing the parsed above for the valid framei+3 frame data (labeledl) Otherwise, judgelMarked abovei+3 frames of data are scrambled frames of data, tolMarked abovei+3 frame data is filtered out, and at the same time, the value of the counter is increased by 1 to becomej=n+4, continuing the verification of the frame number continuity and correctness of the next three consecutive subframes until all subframes are verified (i.e. before the last frame is not parsed and verified, let the aboveiThe number of the two-way valve is automatically added with one,jautomatically add one), the filtered telemetry data is sent to a telemetry data storage and analysis unit as original telemetry data to further obtain service data. The specific process is shown in fig. 4.
The remote data filtering unit judges whether the subframe data is frame disorder data or not through the correctness and the continuity of the frame sequence numbers, and if the subframe data is frame disorder data, the frame disorder data is filtered, so that the accuracy of the service data is improved.
When the configuration file preprocessing unit traverses the configuration file, when detecting different channel codes, a data container is established by the code name, the subframe where the code is stored in the container, and the specific position in the PCM subframe are indexed to the associated telemetry data according to the code of the subframe, the analysis module can extract the original data according to the position information of each code in the data container, then analyze the corresponding service data, the service data is pushed into the corresponding queue, finally all the service data queues and service data names form a hash structure table, and the searching efficiency of the data during display and final storage is improved.
Compared with the prior art, the target projectile telemetry data analysis device provided by the embodiment has the following beneficial effects:
1. the telemetry data receiving, analyzing thread and UI thread concurrency scheme can solve the real-time problem of telemetry data analysis and display integration in the target projectile application field, and the analysis data is not lost and is displayed without blocking after verification under the conditions that the number of telemetry subframes is 120 bytes, the number of subframes is 10, the frame frequency is 1KHz and the data rate is about 10 Mbps.
2. The XML configuration file replaces the mode of storing the attribute of the telemetry data frame in the prior art by storing the sub-frame channel code, so that the time for presetting the configuration file can be saved, the workload can be reduced, the more obvious the telemetry service data are, the general efficiency is improved by more than 20%, and the degree of automation is obviously improved.
3. The integration of telemetry data analysis, display and playback functions improves the functional integration level of the device, reduces the use of special hardware equipment, for example, does not need to use professional display equipment and a control server, saves the hardware cost and simplifies the device.
Example 3
The invention also discloses a target projectile telemetry data analysis system, which comprises the target projectile telemetry data analysis device, the on-projectile telemetry all-in-one machine and the ground receiving station, wherein the target projectile telemetry data analysis device is described in the embodiment 1 or 2. Wherein, the liquid crystal display device comprises a liquid crystal display device,
the on-bullet telemetry all-in-one machine is provided with a telemetry data transmitting end which is used for transmitting telemetry data to the surface receiving station through a PCM wireless link;
the ground receiving station is provided with a telemetry data receiving end which is used for forwarding the received telemetry data to the target projectile telemetry data analyzing device in real time, and the sending process takes a frame as a unit, and the sending frequency is not lower than 1kHz.
The foregoing description of embodiments of the invention has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the various embodiments described. The terminology used herein is chosen in order to best explain the principles of the embodiments, the practical application, or the improvement of the prior art, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.
Claims (10)
1. A target projectile telemetry data resolution device, comprising:
the telemetry data receiving unit is used for receiving telemetry data sent by the ground receiving station and respectively sending the telemetry data to the configuration file preprocessing unit and the telemetry data storage and analysis unit;
the configuration file preprocessing unit is used for reading a configuration file of the telemetry data from the local storage end, analyzing the configuration file, establishing a data container according to the analysis result and a channel code name, storing the telemetry data of a subframe where the code name is located, a specific position in a PCM subframe and a code index of the subframe in each container, and sending the telemetry data to the telemetry data storing and analyzing unit as a preprocessing result;
a telemetry data storage and parsing unit for storing the received telemetry data for data playback; carrying out data analysis on the received telemetry data to obtain analysis results of digital quantity and analog quantity; and extracting original telemetry data from the corresponding code data container according to the preprocessing result, converting the telemetry data by a setting method to obtain service data, and distributing a new data container which is globally shared to store the service data and display the service data.
2. The target projectile telemetry data resolution device of claim 1, further comprising:
the telemetering data display unit is used for receiving the service data sent by the telemetering data storage and analysis unit and displaying the service data;
the remote sensing data playback unit is used for receiving the binary file sent by the remote sensing data storage and analysis unit as a data source, periodically reading data from the data source by taking a frame as a unit, and playing back the data; and when the converted setting method is changed, the read data is returned to the telemetry data storage and analysis unit for processing and reprocessing.
3. The target projectile telemetry data resolution device of claim 2, wherein the target projectile telemetry data resolution device employs a multi-threaded process; wherein, the liquid crystal display device comprises a liquid crystal display device,
the telemetry data receiving unit and the telemetry data storing and analyzing unit are configured in the same thread to sequentially execute the receiving and analyzing paths of telemetry data;
the telemetry data display unit is configured in an independent thread to be independent of the receiving and analyzing paths of the telemetry data.
4. A target projectile telemetry data resolution device as claimed in any one of claims 1 to 3, further comprising:
the remote data filtering unit is used for receiving the remote data extracted by the remote data storage and analysis unit, traversing the frame sequence number of each subframe from the remote data, carrying out the following frame sequence number continuity and correctness verification once for every three continuous subframes from the initial frame sequence number, firstly verifying whether the frame sequence numbers of the three continuous subframes are continuous, if not, carrying out the frame sequence number continuity and correctness verification again for the three continuous subframes from the second subframe of the three continuous subframes, if so, creating a counter to store the theoretical frame sequence number of the next subframe after the three continuous subframes, verifying whether the actual frame sequence number of the next subframe after the three continuous subframes is equal to the stored value of the counter, if so, judging that the frame sequence number is the disordered frame data, filtering the next subframe after the three continuous subframes, meanwhile, adding 1 to the value of the counter, continuing the frame sequence number continuity and correctness verification of the next three continuous subframes until all the subframes are verified, and sending the filtered remote data to the remote data storage unit as the original data after the remote data is further analyzed.
5. The target projectile telemetry data resolution device of claim 4, wherein the telemetry data storage and resolution unit stores the service data in a form comprising a local reservation file or database; and, in addition, the processing unit,
the configuration file comprises an XML configuration file, and the content of the XML configuration file comprises telemetry frame information, a channel code name of a subframe, a telemetry analog quantity to be resolved and a telemetry digital quantity to be resolved.
6. The projectile telemetry data resolution device of any one of claims 2, 3, 5, wherein the telemetry data storage and resolution unit performs the following procedures to perform real-time resolution, display and playback functions of telemetry data:
s1, calling a configuration file preprocessing unit, reading and analyzing a configuration file, and obtaining a preprocessing result of the configuration file preprocessing unit;
s2, determining a telemetry data name of a code index of a subframe in a preprocessing result according to the code of the subframe corresponding to each service data, wherein the telemetry data name is used as original data and a specific position of the original data in a PCM subframe;
s3, determining conversion relations between each service data and the original data;
s4, independently creating a telemetry data receiving-analyzing thread, so that the receiving and analyzing of telemetry data independently run in the telemetry data receiving-analyzing thread, and the display unit independently runs in the UI main thread, and the telemetry data receiving-analyzing thread and the UI main thread run concurrently;
s5, in the data receiving-analyzing thread, judging whether the working mode analyzes local original data through data playback or receives data of a ground receiving station so as to carry out branch processing; if the local original data is analyzed through data playback, a telemetry data playback unit is called, the stored binary file is used as the local original data file, and a telemetry data frame is read from the local original data file in real time; if the data of the ground receiving station is received, a telemetry data receiving unit is called, and a telemetry data frame is received through a network;
s6, analyzing the obtained telemetry data frame by a preset method, establishing a hash table storage structure, storing analysis results by using keys-values in the hash table storage structure, wherein the keys are data names, the values are queues formed by data corresponding to the data names, and after analysis, storing analyzed final service data in the corresponding queues and pushing the final service data to a telemetry data display unit;
s7, calling a telemetering data display unit, detecting whether the analysis result data is updated, if so, reading the updated analysis result data to update the data chart, and refreshing the display interface, otherwise, only refreshing the display interface.
7. The target projectile telemetry data analysis device of claim 6, wherein steps S5, S6 are performed sequentially, and step S7 and steps S5, S6 are performed concurrently.
8. The target projectile telemetry data analysis device of any one of claims 2, 3, 5, and 7, wherein the data diagram of the telemetry data display unit comprises a two-dimensional diagram or a three-dimensional diagram.
9. The projectile telemetry data resolution device of any one of claims 1, 2, 3, 5, 7, wherein the telemetry data configuration file includes < FRAME > tags, < SUB-tags < SUB >, < AC > tags, < DC > tags; wherein, the liquid crystal display device comprises a liquid crystal display device,
a < FRAME > tag for storing telemetry FRAME information;
a SUB-tag < SUB > of < FRAME > for storing a channel code name of a SUB-FRAME;
an < AC > tag for storing telemetry analog quantity to be parsed;
and < DC > tag for storing the telemetry digital quantity to be parsed.
10. A target projectile telemetry data analysis system, comprising the target projectile telemetry data analysis device of any one of claims 1-9, further comprising an on-projectile telemetry all-in-one machine and a ground receiving station; wherein, the liquid crystal display device comprises a liquid crystal display device,
the on-bullet telemetry all-in-one machine is provided with a telemetry data transmitting end which is used for transmitting telemetry data to the surface receiving station through a PCM wireless link;
the ground receiving station is provided with a telemetry data receiving end which is used for forwarding the received telemetry data to the target projectile telemetry data analyzing device in real time according to a UDP network protocol, and the sending process takes a frame as a unit, and the sending frequency is not lower than 1kHz.
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