A data processing method, sonde and device based on Beidou communication

Abstract

The present application provides a data processing method, a sonde and a device based on Beidou communication, which are used to improve communication efficiency. The method includes: obtaining the sounding data collected by the sonde, wherein the sounding data includes multiple groups of data to be compressed, each group of data to be compressed corresponds to at least one data type, and the data types corresponding to the multiple groups of data to be compressed are the same; determining one group of data to be compressed among the multiple groups of data to be compressed as the reference data; for each group of data to be compressed except the reference data, calculating the difference between the data to be compressed and the reference data, and obtaining the communication data corresponding to the data to be compressed, wherein the number of bytes occupied by the communication data is less than the number of bytes occupied by the data to be compressed, and the communication data is used to be transmitted to the ground receiving end through Beidou communication.

Description

Technical Field

[0001] The present application relates to the technical field of meteorological information transmission, and in particular to a data processing method, a sonde and a device based on Beidou communication. Background Art

[0002] The currently used sounding instruments use radio communication to modulate the data collected by the sounding instruments in the high-altitude atmosphere into a carrier signal and send it back to the ground receiving equipment. However, with this communication method, the ground receiving end can only passively receive the sounding data and cannot realize data transmission. Beidou communication can realize point-to-point and multi-point-to-multi-point two-way data transmission, and has the advantages of large coverage, no blind spots in communication, safety and reliability. However, the main task of Beidou is positioning and navigation, and there are very few channel resources for communication. At present, the short message communication frequency of the civil Beidou card is 60 seconds, which means that the Beidou sending terminal needs to send a short message every 60 seconds, and the transmitted data cannot exceed 7979 bits. In addition, due to the instability of the Beidou communication link, short message packet loss often occurs. Under the condition of limited Beidou communication bandwidth, how to ensure the integrity and timeliness of sounding data, reduce transmission delay, and improve communication efficiency has become an urgent problem to be solved. Summary of the invention

[0003] The present invention application provides a data processing method, a sonde and a device based on Beidou communication, which are used to improve the communication efficiency of meteorological data transmitted based on Beidou communication.

[0004] In the first aspect, the present application provides a data processing method based on Beidou communication, comprising: acquiring sounding data collected by a sounding instrument, wherein the sounding data includes multiple groups of data to be compressed, each group of data to be compressed corresponds to at least one data type, and the data types corresponding to the multiple groups of data to be compressed are the same; determining one group of data to be compressed among the multiple groups of data to be compressed as reference data; for each group of data to be compressed except the reference data, calculating the difference between the data to be compressed and the reference data, and obtaining communication data corresponding to the data to be compressed, wherein the number of bytes occupied by the communication data is less than the number of bytes occupied by the data to be compressed, and the communication data is used to be transmitted to a ground receiving end via Beidou communication.

[0005] In the above scheme, the difference method is used to greatly reduce the number of bytes occupied by the data by utilizing the relatively stable fluctuation range of the sounding data. The subsequent decompression of the baseline data and the difference information can restore the real valid data, which greatly increases the amount of information that the Beidou short message can carry in the same time, thereby improving communication efficiency.

[0006] As an optional method, the acquisition of the sounding data collected by the sounding instrument includes: receiving a group of data to be compressed every first preset time length within each second preset time length, and obtaining the sounding data corresponding to the second preset time length, wherein the first preset time length is less than the second preset time length. In the above scheme, a suitable first preset time length is selected to make the sounding data within the second preset time length as much as possible, making full use of the communication resources of Beidou short messages, thereby improving communication efficiency.

[0007] As an optional manner, the step of determining a group of to-be-compressed data among the plurality of groups of to-be-compressed data as the reference data includes: for each second preset duration, determining the group of to-be-compressed data corresponding to the first first preset duration within the second preset duration as the reference data. In the above scheme, the reference data is determined in chronological order, so that the data processing method is more operable and simpler in actual application.

[0008] As an optional way, after calculating the difference between the data to be compressed and the reference data to obtain the communication data corresponding to the data to be compressed, the method further includes: obtaining the communication data within the second preset time length before the third preset time length, wherein the third preset time length includes multiple second preset time lengths; adding part of the communication data within the second preset time length before the third preset time length to the current communication data to obtain new communication data; and sending the new communication data to the ground receiving end via a Beidou short message. In the above scheme, each current data transmitted additionally includes part of the communication data in a historical transmission before the third preset time length, and the redundant design of the communication data can reduce the probability of data packet loss, thereby improving the success rate of data transmission.

[0009] As an optional method, the adding of part of the communication data within the second preset time length before the third preset time length to the current communication data includes: adding the data corresponding to the odd number of the first preset time lengths in the communication data within the second preset time length before the third preset time length to the current communication data; or adding the data corresponding to the even number of the first preset time lengths in the communication data within the second preset time length before the third preset time length to the current communication data. In the above scheme, the communication data corresponding to the first preset time length with an odd or even sequence within the second preset time length is transmitted as redundant data, so that the redundant data can be closer to all the communication data within the corresponding time length and more truly reflect the sounding data information.

[0010] In the second aspect, the present invention application also provides a sounding instrument based on Beidou communication, including: a Beidou communication module, used to execute the data processing method based on Beidou communication described in the first aspect; a sensor module, connected to the Beidou communication module, used to collect the sounding data; a control board, connected to the Beidou communication module and the sensor module; a battery pack, connected to the Beidou communication module, the sensor module and the control board; a foam box, used to be arranged on the outside of the Beidou communication module, the sensor module, the control board and the battery pack; a parachute, arranged on the inside of the foam box. In the above scheme, the sounding instrument equipped with a Beidou communication module capable of executing the method in the first aspect can realize two-way transmission of data information between the sounding instrument and the ground receiving end, with high communication efficiency and high transmission success rate.

[0011] As an optional method, the foam box forms a cavity, and the Beidou communication module, the sensor module, the control board, the battery pack, and the parachute are fixed in the cavity. In the above scheme, the cavity ensures that the relative positions of the modules inside the sonde remain unchanged, which is conducive to maintaining the good performance of the sonde.

[0012] As an optional method, the foam box is provided with a positioning groove and a positioning block, the positioning block is arranged in the positioning groove, and the Beidou communication module, the sensor module, the control board, the battery pack, and the parachute are fixed on different positioning blocks. In the above scheme, the positioning groove and the positioning block can accurately position and fix each module inside the sonde, so that each module has good impact resistance.

[0013] As an optional method, the foam box is cylindrical. In the above scheme, the cylindrical structural design can reduce the influence of air wind on the posture of the sonde, which is conducive to the stable operation and operation of the sonde.

[0014] In the third aspect, the present invention application also provides a data processing device based on Beidou communication, including: an acquisition module, used to acquire sounding data collected by a sonde, wherein the sounding data includes multiple groups of data to be compressed, each group of data to be compressed corresponds to at least one data type, and the data types corresponding to the multiple groups of data to be compressed are the same; a reference data determination module, used to determine one group of data to be compressed among the multiple groups of data to be compressed as reference data; a calculation module, used to calculate the difference between the data to be compressed and the reference data for each group of data to be compressed except the reference data, to obtain communication data corresponding to the data to be compressed, wherein the number of bytes occupied by the communication data is less than the number of bytes occupied by the data to be compressed, and the communication data is used to be transmitted to a ground receiving end via Beidou communication.

[0015] In the above scheme, the device utilizes the relatively stable fluctuation range of sounding data and adopts the difference method to greatly reduce the number of bytes occupied by the data. Subsequent decompression of the baseline data and the difference information can restore the real valid data, which greatly increases the amount of information that the Beidou short message can carry in the same time, thereby improving communication efficiency.

[0016] As an optional method, the acquisition module is specifically used to: within each second preset time length, receive a group of data to be compressed every first preset time length, and obtain the sounding data corresponding to the second preset time length, wherein the first preset time length is less than the second preset time length. In the above scheme, a suitable first preset time length is selected to make the sounding data within the second preset time length as much as possible, making full use of the communication resources of Beidou short messages, thereby improving communication efficiency.

[0017] As an optional manner, the module for determining the reference data is specifically used to determine, for each second preset duration, the to-be-compressed group of data corresponding to the first first preset duration within the second preset duration as the reference data. In the above scheme, the reference data is determined in chronological order, so that the data processing method is more operable and simple in actual application.

[0018] As an optional method, the device also includes a communication data adding module, and the communication data adding module is specifically used to, after calculating the difference between the data to be compressed and the reference data to obtain the communication data corresponding to the data to be compressed, obtain the communication data within the second preset time length before the third preset time length, wherein the third preset time length includes multiple second preset time lengths; add part of the communication data within the second preset time length before the third preset time length to the current communication data to obtain new communication data; and send the new communication data to the ground receiving end via a Beidou short message. In the above scheme, the current data transmitted each time additionally includes part of the communication data in a historical transmission before the third preset time length, and the redundant design of the communication data can reduce the probability of data packet loss, thereby improving the success rate of data transmission.

[0019] As an optional method, the module for adding communication data is specifically used to add data corresponding to odd-numbered first preset time lengths in the communication data within the second preset time length before the third preset time length to the current communication data; or, add data corresponding to even-numbered first preset time lengths in the communication data within the second preset time length before the third preset time length to the current communication data. In the above scheme, the communication data corresponding to the first preset time length with an odd or even sequence within the second preset time length is transmitted as redundant data, so that the redundant data can be closer to all the communication data within the corresponding time length and more truly reflect the sounding data information. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 A schematic diagram of a process flow of a data processing method based on Beidou communication provided in an embodiment of the present application is shown;

[0022] Figure 2 A schematic diagram of the structure of a Beidou communication-based sonde provided in an embodiment of the present application is shown;

[0023] Figure 3 The figure shows the schematic diagram of the ascent attitude of the radiosonde;

[0024] Figure 4 A schematic structural diagram of a data processing device based on Beidou communication provided in an embodiment of the present application is shown. DETAILED DESCRIPTION

[0025] The following embodiments of the technical solution of the present application are described in detail in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the present application, and are therefore only used as examples, and cannot be used to limit the scope of protection of the present application.

[0026] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field to which this application belongs; the terms used herein are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" in the specification and claims of this application and the above-mentioned figure descriptions and any variations thereof are intended to cover non-exclusive inclusions.

[0027] In the description of the embodiments of the present application, the technical terms "first", "second", etc. are only used to distinguish different objects, and cannot be understood as indicating or implying relative importance or implicitly indicating the number, specific order or primary and secondary relationship of the indicated technical features. In the description of the embodiments of the present application, the meaning of "multiple" is more than two, unless otherwise clearly and specifically defined.

[0028] In the description of the embodiments of the present application, the term "and / or" is only a description of the association relationship of the associated objects, indicating that there may be three relationships. For example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. In addition, the character " / " in this article generally indicates that the associated objects before and after are in an "or" relationship.

[0029] To facilitate understanding, the professional technologies involved in the technical solutions provided in the embodiments of the present application are introduced.

[0030] BeiDou Satellite Communication System, whose full name is BeiDou Navigation Satellite System (BDS), hereinafter referred to as BeiDou Communication, is a global satellite navigation system independently designed, built and operated by China. It aims to provide global users with high-precision, high-reliability positioning, navigation and timing services, and has unique short message communication capabilities. BeiDou system is one of the four major satellite navigation systems in the world, along with GPS, GLONASS and Galileo systems. BeiDou system has a unique short message communication function, which can realize the transmission of information through two-way communication through satellites in the absence of ground communication network coverage. This function has important application value in emergency rescue, polar exploration and other fields.

[0031] Beidou short message is a service that transmits information through the Beidou navigation system. It uses the Beidou satellite network to realize short message transmission within a range. The principle of Beidou short message is to transmit data through Beidou satellite, through the satellite receiving terminal and forwarding server, and finally delivered to the target terminal.

[0032] A sonde is an instrument that observes meteorological elements such as air pressure, temperature and humidity through radio telemetry and other methods. It is usually carried into the air by a sounding balloon and is used to measure the physical parameters of the atmosphere at different altitudes in the sky to determine the vertical distribution of meteorological elements. A sonde consists of three parts: a sensor, a converter and a transmitter. The sensor is responsible for sensing parameters such as atmospheric temperature, air pressure, and humidity, and senses them through deformation elements and electronic components. The converter converts the meteorological information sensed by the sensing element into an electrical signal, generally using two methods: electric code or low frequency conversion. The transmitter is a high-frequency or ultra-high-frequency transmitter that sends meteorological information to the ground in the form of a carrier.

[0033] Please refer to Figure 1 , Figure 1 A flowchart of a data processing method based on Beidou communication provided in an embodiment of the present application. The method includes:

[0034] S10: Acquire sounding data collected by a sounding instrument, wherein the sounding data includes multiple groups of data to be compressed, each group of data to be compressed corresponds to at least one data type, and the data types corresponding to the multiple groups of data to be compressed are the same.

[0035] Sounding data refers to meteorological data collected by the sensor module of the sonde and the working data of the sonde; data type refers to the type of data in the sounding data that reflects meteorological information and sonde working information from different dimensions. For example, data types may include hours, minutes, seconds, posslnum, battery voltage, box temperature, temperature, humidity, air pressure, longitude, latitude, altitude, etc. Each group of data to be compressed includes part or all of the data types, and all groups of data to be compressed include the same data type.

[0036] In some embodiments, the number of bytes occupied by the data types included in the sounding data is shown in Table 1:

[0037]

[0038] Table 1 Sounding data within one minute

[0039] It can be seen from the above table that if a group of compressed data in the above table is to be sent, at least 8688 bits of data are required to occupy the communication channel. The frequency of the Beidou civil card currently used is 60 seconds, and the message length is 569 Chinese characters, which means that Beidou communication allows 7979 bits of data to be transmitted per minute.

[0040] S20: Determine a set of data to be compressed among the multiple sets of data to be compressed as reference data.

[0041] One set of data to be compressed from among multiple sets of data to be compressed is used as the benchmark data. The method of selecting the benchmark data is flexible and can be specified arbitrarily. The determined benchmark data is not subjected to subsequent processing. Ultimately, the benchmark data in the transmitted data frame is a complete set of data.

[0042] S30: For each group of data to be compressed except the benchmark data, the difference between the data to be compressed and the benchmark data is calculated to obtain communication data corresponding to the data to be compressed, wherein the number of bytes occupied by the communication data is less than the number of bytes occupied by the data to be compressed, and the communication data is used to transmit to the ground receiving end via Beidou communication.

[0043] The remaining groups of data to be compressed, except for the reference data, are subtracted from the reference data to obtain communication data containing only the difference information between each group of data to be compressed and the reference data. Finally, only the difference information needs to be carried in the transmitted data frame without transmitting the complete data to be compressed. For example, there are multiple groups of sounding data to be compressed, a, b, c, d, e, f, g, where a is the reference data, then b, c, d, e, f, g are the remaining groups of data to be compressed, and the communication data are (ba), (ca), (da), (ea), (fa), (ga).

[0044] After long-term analysis and statistics of historical sounding data, the temperature in the sounding data does not change more than 20°C per minute, and the air pressure does not change more than 120hPa per minute; according to the maximum wind speed of 200m / s at high altitude, the longitude and latitude do not change more than 0.12000° per minute, and the altitude does not change more than 12000m per minute. After applying the above difference compression processing method, the number of bytes occupied by the communication data is less than the number of bytes occupied by the data to be compressed. The number of bytes occupied by a group of compressed communication data is shown in Table 2:

[0045]

[0046]

[0047] Table 2 Compressed sounding data within one minute

[0048] As can be seen from the above table, the number of compressed data bits is 4912 bits, which can meet the requirement that the data length does not exceed 7979 bits.

[0049] In the above scheme, the difference method is used to greatly reduce the number of bytes occupied by the data by utilizing the relatively stable fluctuation range of the sounding data. The subsequent decompression of the baseline data and the difference information can restore the real valid data, which greatly increases the amount of information that the Beidou short message can carry in the same time, thereby improving communication efficiency.

[0050] In some embodiments, step S10 includes: within each second preset time length, receiving a group of data to be compressed every first preset time length, and obtaining sounding data corresponding to the second preset time length, wherein the first preset time length is smaller than the second preset time length.

[0051] The parameter settings of the first preset time and the second preset time can be changed. The first preset time can be consistent with the working acquisition frequency of the sonde sensor module, and the second preset time can be consistent with the communication frequency between the sonde and the ground receiving end.

[0052] In some embodiments, the hour, minute, second, posslnum, battery voltage, and temperature inside the box in the sounding data are collected as a group every minute, and the temperature, humidity, air pressure, longitude, latitude, and altitude in the sounding data are collected as a group every second. Every minute, the sonde sends a frame of sounding data to the ground receiving end via the Beidou short message. Therefore, the first preset time length can be 1 second, and the second preset time length is 60 seconds. Each second preset time length includes 60 first preset time lengths, which means 60 groups of sounding data.

[0053] In the above scheme, a suitable first preset time length is selected to obtain as much sounding data as possible within the second preset time length, making full use of the communication resources of Beidou short messages, thereby improving communication efficiency.

[0054] In some embodiments, step S20 includes: for each second preset time length, determining the to-be-compressed group of data corresponding to the first first preset time length within the second preset time length as the reference data.

[0055] In some of the aforementioned embodiments, the first second of the to-be-compressed group data within 60 seconds may be used as the reference data.

[0056] In the above scheme, the benchmark data is determined in chronological order, making the actual application of the data processing method more operational and simple.

[0057] In some embodiments, after step S30, the method further includes:

[0058] S401: Acquire communication data within a second preset time period before a third preset time period, wherein the third preset time period includes a plurality of second preset time periods;

[0059] S402: adding part of the communication data within a second preset time period before the third preset time period to the current communication data to obtain new communication data;

[0060] S403: Send new communication data to the ground receiving end via Beidou short message.

[0061] The third preset duration is the duration of multiple second preset durations in reverse order from the current second preset duration. In some of the aforementioned embodiments, when the first preset duration is 1 second and the second preset duration is 60 seconds, the third preset duration can be selected as 2 minutes, 5 minutes or 10 minutes, etc. Taking 10 minutes as an example, each Beidou short message sent is a combination of the communication data within the current minute and part of the communication data within the minute 10 minutes ago.

[0062] It can be seen from the previous Table 2 that after adopting the data processing method in the embodiment, the number of bytes occupied by the sounding data per minute is reduced from 8688 bits to 4912 bits, and the Beidou short message sent one frame per minute still has 3067 bits of data transmission space. In addition, after statistics on Beidou communication data transmission, the time interval for normal data transmission is generally within 10 minutes, so the remaining data transmission space can be used for redundant data transmission.

[0063] Considering that the remaining transmission space may not be sufficient to accommodate the complete communication data within a second preset time length, only part of the communication data within a second preset time length before the third preset time length is added. The selection of this part of the communication data should be regularly and evenly distributed within the entire second preset time length to make the selected communication data more representative.

[0064] In the above scheme, each transmitted current data additionally includes part of the communication data in a certain historical transmission before the third preset time period. The redundant design of the communication data can reduce the probability of data packet loss, thereby improving the success rate of data transmission.

[0065] In some embodiments, step S402 includes: adding data corresponding to an odd number of first preset time lengths in the communication data within a second preset time length before a third preset time length to the current communication data; or, adding data corresponding to an even number of first preset time lengths in the communication data within a second preset time length before the third preset time length to the current communication data.

[0066] The odd-numbered first preset durations refer to the first first preset duration, the third first preset duration, the fifth first preset duration, etc. within the corresponding second preset duration, respectively corresponding to the first group of data to be compressed, the third group of data to be compressed, the fifth group of data to be compressed, etc. within the second preset duration. The even-numbered first preset durations can be obtained by analogy, and will not be repeated here.

[0067] In some of the aforementioned embodiments, when the first preset time length is 1 second, the second preset time length is 60 seconds, and the third preset time length is 10 minutes, as shown in Table 3, the length of the odd-numbered seconds of communication data within 60 seconds is 2512 bits:

[0068]

[0069] Table 3 Compressed sounding data of odd seconds within one minute

[0070] Therefore, the data transmitted via Beidou short messages every minute can include the communication data within the current minute and the communication data of odd seconds within the minute 10 minutes ago.

[0071] In the above scheme, the communication data corresponding to the first preset time length whose sequence is an odd number or an even number within the second preset time length is transmitted as redundant data, so that the redundant data can be closer to all the communication data within the corresponding time length and more truly reflect the sounding data information.

[0072] Reference Figure 2 , Figure 2 The present invention application provides a structural schematic diagram of a sonde based on Beidou communication, and the sonde 1000 includes: a Beidou communication module 100, used to execute the data processing method based on Beidou communication in any of the aforementioned embodiments or combinations of embodiments; a sensor module 200, connected to the Beidou communication module 100, for collecting sounding data; a control board 300, connected to the Beidou communication module 100 and the sensor module 200; a battery pack 400, connected to the Beidou communication module 100, the sensor module 200 and the control board 300; a foam box 500, used to be arranged on the outside of the Beidou communication module 100, the sensor module 200, the control board 300 and the battery pack 400; and a parachute 600, arranged on the inside of the foam box 500.

[0073] Since the temperature at high altitude is relatively low, which can reach -90°C, electronic components cannot meet the requirements of such environmental temperature. Therefore, the sonde 1000 has taken insulation measures and is packaged in an insulating foam box 500. Each unit module of the sonde 1000 is installed in the foam box 500. In order to collect real and effective meteorological data, the temperature and humidity sensors in the sensor module 200 extend out of the surface of the foam box. The temperature and humidity sensors are installed on a 0.3mm thick long strip printed circuit board, and the printed circuit board extends about 150mm from the surface of the foam box.

[0074] In the above scheme, the sonde 1000 equipped with the Beidou communication module 100 can realize two-way transmission of data information between the sonde 1000 and the ground receiving end, with high communication efficiency and high transmission success rate.

[0075] In some embodiments, the foam box 500 forms a cavity, in which the Beidou communication module 100, the sensor module 200, the control board 300, the battery pack 400, and the parachute 600 are fixed.

[0076] In the above solution, the cavity ensures that the relative positions of the modules inside the sonde 1000 remain unchanged, which is conducive to maintaining the good performance of the sonde 1000.

[0077] In some embodiments, a positioning groove and a positioning block are provided in the foam box 500, the positioning block is provided in the positioning groove, and the Beidou communication module 100, the sensor module 200, the control board 300, the battery pack 400, and the parachute 600 are fixed on different positioning blocks.

[0078] The slot structure around the inner shell of the foam box 500 can make the inner shell fit more tightly.

[0079] In the above solution, the positioning grooves and the positioning blocks can accurately position and fix each module inside the sonde, so that each module has good impact resistance.

[0080] In some embodiments, the foam box 500 is cylindrical.

[0081] like Figure 3 As shown, Figure 3 The parachute 600 is at one end of the foam box 500 shell, and the parachute 600 is opened when the sonde 1000 is ascending.

[0082] In the above scheme, the cylindrical structural design can reduce the influence of air wind on the posture of the sonde 1000, which is beneficial to the stable operation and movement of the sonde 1000.

[0083] Please refer to Figure 4 , Figure 4 A structural schematic diagram of a data processing device based on Beidou communication provided for the present invention application comprises: an acquisition module 501, used for acquiring sounding data collected by a sounding instrument, wherein the sounding data comprises multiple groups of data to be compressed, each group of data to be compressed corresponds to at least one data type, and the data types corresponding to the multiple groups of data to be compressed are the same; a reference data determination module 502, used for determining one group of data to be compressed among the multiple groups of data to be compressed as reference data; a calculation module 503, used for calculating the difference between the data to be compressed and the reference data for each group of data to be compressed except the reference data, to obtain communication data corresponding to the data to be compressed, wherein the number of bytes occupied by the communication data is less than the number of bytes occupied by the data to be compressed, and the communication data is used for transmission to a ground receiving terminal via Beidou communication.

[0084] The above description is only an embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A data processing method based on Beidou communication, characterized in that: include: Acquire sounding data collected by a sonde, wherein the sounding data includes multiple groups of data to be compressed, each group of data to be compressed corresponds to at least one data type, the data types corresponding to the multiple groups of data to be compressed are the same, the data types refer to the types of data in the sounding data that reflect meteorological information and the working information of the sonde from different dimensions, and the data types include hours, minutes, seconds, the number of satellites used for positioning, battery voltage, temperature, humidity, air pressure, longitude, latitude, and altitude; Determine a set of to-be-compressed data among the multiple sets of to-be-compressed data as reference data; For each group of data to be compressed except the reference data, a difference between the data to be compressed and the reference data is calculated to obtain communication data corresponding to the data to be compressed, wherein the number of bytes occupied by the communication data is less than the number of bytes occupied by the data to be compressed, and the communication data is used to transmit to a ground receiving terminal through Beidou communication; Wherein, the obtaining of the sounding data collected by the sounding instrument comprises: In each second preset time length, a group of data to be compressed is received every first preset time length to obtain the sounding data corresponding to the second preset time length, wherein the first preset time length is less than the second preset time length; After calculating the difference between the data to be compressed and the reference data to obtain communication data corresponding to the data to be compressed, the method further includes: Acquire communication data within a second preset time period before a third preset time period, wherein the third preset time period includes a plurality of second preset time periods; Adding part of the communication data within the second preset time period before the third preset time period to the current communication data to obtain new communication data; Send the new communication data to the ground receiving end via Beidou short message; The adding part of the communication data within the second preset time period before the third preset time period to the current communication data includes: Adding data corresponding to an odd number of first preset durations in the communication data within the second preset duration before the third preset duration to the current communication data; or, The data corresponding to the even number of first preset durations in the communication data within the second preset duration before the third preset duration is added to the current communication data.

2. The method according to claim 1, characterized in that The step of determining one set of data to be compressed from among the multiple sets of data to be compressed as reference data comprises: For each second preset time length, determine the to-be-compressed group of data corresponding to the first first preset time length within the second preset time length as the reference data.

3. A sounding instrument based on Beidou communication, characterized in that: include: A Beidou communication module, used to execute the data processing method based on Beidou communication as described in any one of claims 1 or 2; A sensor module, connected to the Beidou communication module, for collecting the sounding data; A control board connected to the Beidou communication module and the sensor module; A battery pack connected to the Beidou communication module, the sensor module and the control board; A foam box, used to be arranged on the outside of the Beidou communication module, the sensor module, the control board and the battery pack; A parachute is arranged inside the foam box.

4. The radiosonde according to claim 3, characterized in that: The foam box forms a cavity, in which the Beidou communication module, the sensor module, the control board, the battery pack, and the parachute are fixed.

5. The radiosonde according to claim 4, characterized in that: A positioning groove and a positioning block are arranged in the foam box, the positioning block is arranged in the positioning groove, and the Beidou communication module, the sensor module, the control board, the battery pack and the parachute are fixed on different positioning blocks.

6. The radiosonde according to claim 4 or 5, characterized in that: The foam box is cylindrical.

7. A data processing device based on Beidou communication, characterized in that: include: An acquisition module, used for acquiring sounding data collected by a sonde, wherein the sounding data includes multiple groups of data to be compressed, each group of data to be compressed corresponds to at least one data type, and the data types corresponding to the multiple groups of data to be compressed are the same. The data types refer to the types of data in the sounding data that reflect meteorological information and the working information of the sonde from different dimensions, and the data types include hours, minutes, seconds, the number of satellites used for positioning, battery voltage, temperature, humidity, air pressure, longitude, latitude, and altitude; A reference data determination module, used for determining one set of data to be compressed from the plurality of sets of data to be compressed as reference data; A calculation module, for calculating the difference between the data to be compressed and the reference data for each group of data to be compressed except the reference data, to obtain communication data corresponding to the data to be compressed, wherein the number of bytes occupied by the communication data is less than the number of bytes occupied by the data to be compressed, and the communication data is used to transmit to a ground receiving terminal by means of Beidou communication; Wherein, the obtaining of the sounding data collected by the sounding instrument comprises: In each second preset time length, a group of data to be compressed is received every first preset time length to obtain the sounding data corresponding to the second preset time length, wherein the first preset time length is less than the second preset time length; After calculating the difference between the data to be compressed and the reference data to obtain the communication data corresponding to the data to be compressed, the method further includes: Acquire communication data within a second preset time period before a third preset time period, wherein the third preset time period includes a plurality of second preset time periods; Adding part of the communication data within the second preset time period before the third preset time period to the current communication data to obtain new communication data; Send the new communication data to the ground receiving end via Beidou short message; The adding part of the communication data within the second preset time period before the third preset time period to the current communication data includes: Adding data corresponding to an odd number of first preset durations in the communication data within the second preset duration before the third preset duration to the current communication data; or, The data corresponding to the even number of first preset durations in the communication data within the second preset duration before the third preset duration is added to the current communication data.

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