CN115175160A - Emergency communication system with ranging function based on Beidou positioning - Google Patents

Emergency communication system with ranging function based on Beidou positioning Download PDF

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CN115175160A
CN115175160A CN202211076673.6A CN202211076673A CN115175160A CN 115175160 A CN115175160 A CN 115175160A CN 202211076673 A CN202211076673 A CN 202211076673A CN 115175160 A CN115175160 A CN 115175160A
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information
user
distance
module
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CN115175160B (en
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袁立平
刘宜三
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Jiangxi Ledun Photoelectric Technology Co ltd
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Jiangxi Ledun Photoelectric Technology Co ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/90—Services for handling of emergency or hazardous situations, e.g. earthquake and tsunami warning systems [ETWS]
    • 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
    • G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
    • G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/42—Determining position
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H04W4/023—Services making use of location information using mutual or relative location information between multiple location based services [LBS] targets or of distance thresholds
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Health & Medical Sciences (AREA)
  • Emergency Management (AREA)
  • Environmental & Geological Engineering (AREA)
  • Public Health (AREA)
  • Alarm Systems (AREA)

Abstract

The invention provides an emergency communication system with a distance measurement function based on Beidou positioning. The Beidou positioning and ranging system comprises a Beidou positioning module, a Beidou communication module, a ranging module, an alarm module, a guiding module and a wireless communication module. According to the invention, through the Beidou positioning and the ranging function based on the Beidou positioning, the distance between the positioning information requesting to support the squad and the user machine can be obtained, the squad can move quickly to carry out centralized rescue, and the rescue efficiency is improved.

Description

Emergency communication system with ranging function based on Beidou positioning
Technical Field
The invention relates to the field of emergency communication, in particular to an emergency communication system with a distance measurement function based on Beidou positioning.
Background
The continuous updating of the communication mode greatly enhances the communication efficiency of modern people, such as mobile phones, but after disasters, such as earthquakes, the communication modes of the mobile phones and the like are directly paralyzed due to the damage of base stations. In order to facilitate disaster relief after an earthquake, an emergency communication system is required.
The existing emergency communication system usually mainly uses a satellite telephone, but the satellite telephone is expensive and not easy to popularize, and a general communication satellite does not have a positioning function and has a certain influence on disaster relief efficiency, so that the existing emergency communication system based on the Beidou satellite can realize the communication function in a short message mode besides the positioning function, but the short message can only transmit text information, and the communication efficiency is not high.
To the problem, an emergency communication system based on Beidou positioning and having a distance measuring function is provided.
Disclosure of Invention
The invention provides an emergency communication system with a distance measurement function based on Beidou positioning, which is used for solving the problem that the existing emergency communication system based on the Beidou satellite is low in communication efficiency.
In order to solve the technical problems, the technical scheme is as follows: the utility model provides an emergent communication system that has range finding function based on big dipper location, including:
the Beidou positioning module is used for acquiring the position of the user machine based on a Beidou positioning technology;
the Beidou communication module is used for transmitting information between the user machine and the user machine based on a Beidou short message technology;
the wireless communication module is used for short-range communication between the user machines;
the alarm module is used for giving an alarm when the distance between the user machines is greater than the maximum communication distance allowed by the wireless communication module;
the distance measurement module is used for calculating the distance between the user machines according to the position information of the user machines, judging whether the distance is greater than the maximum communication distance allowed by the wireless communication module according to the distance between the user machines and sending a processing result to the alarm module;
and the guiding module is used for guiding the user according to the guiding information provided by the distance measuring module.
Further, the location information of the user machine is stored in a latitude and longitude form.
Furthermore, the distance measuring module comprises a distance calculating unit and a distance judging unit;
the distance calculation unit is used for calculating the distance between the user computers according to the longitude and latitude information of the user computers;
the distance judging unit is used for selecting the distance between the user machines and judging whether the distance is greater than the maximum communication distance allowed by the wireless communication module;
the specific steps of the distance calculation unit for judging the distance between the user machines are as follows:
a1: acquiring longitude and latitude information of a user machine, and marking the user machine as a target user machine;
a2: calculating the distance between the target user machine and all other user machines, and recording as a set delta;
a3: bubble sorting is carried out on all elements in the set delta from small to large, the first element is selected and marked as delta 1 That is, the minimum distance between the target user machine and the other user machines, and marking the corresponding user machine as a reference user machine;
a4: determination of delta 1 The maximum allowable communication distance L between the wireless communication module and the wireless communication module is delta 1 <If L' is true, returning to A1, and judging the next user machine; if is delta 1 <If L' is false, starting an alarm module and entering A5;
a5: selection of delta 1 And the two corresponding user machines are connected with the two user machines, take the direction close to the reference user machine as the guide, output the guide distance L-delta 1 and send the guide and the guide distance L-delta 1 as the guide information to the guide module.
Further, the set δ is stored in the form of an array.
Furthermore, the wireless communication module comprises an information acquisition unit, a signal sending unit, a signal receiving unit and a signal classification unit;
the information acquisition unit is used for acquiring information input by a user;
the signal sending unit is arranged in the user machine and used for sending information;
the signal receiving unit is arranged in the user machine and used for receiving information;
the signal classification unit is arranged in the user machine and used for calling different communication modes according to the information classification number;
the specific steps of the signal classification unit for calling different communication modes are as follows:
b1: acquiring information input by a user;
b2: acquiring an information classification number input by a user, wherein the information classification number comprises '1', '2' and '3', '1' refers to global information, '2' refers to regional information, and '3' refers to individual information;
b3: if the obtained information classification number is '1', the information occupies the uplink and the downlink of all the user machines, namely the user machines are controlled to only send and receive the information;
b4: if the obtained information classification number is '2', generating a corresponding area mark according to the area to which the user machine belongs, identifying the user machine through the area mark, and only the user machines with the same area can receive and send the information;
b5: if the acquired information classification number is '3', responding to the individual identification code input by the user, identifying the user machine through the individual identification code, and only the user machine corresponding to the individual identification code can receive the information and start the two-way communication.
Further, the information input by the user comprises characters, voice, pictures and videos.
Furthermore, the wireless communication module also comprises a WiFi module;
the WiFi module carries a TCP server and is used for enabling a user to access the mobile electronic equipment to a user machine so as to achieve emergency communication.
Furthermore, the wireless communication module also comprises an information classification unit, an information identification unit and an information judgment unit;
the information classification unit is used for classifying information input by a user;
the information identification unit is used for loading different information identification models to identify the information input by the user and generating an information classification number;
the information judgment unit is used for carrying out matching judgment according to the generated information classification number and the information classification number input by the user;
the wireless communication module is used for identifying the information input by the user and judging whether the information conforms to the information classification number, and the specific steps are as follows:
c1: acquiring information input by a user;
c2: classifying information input by a user into characters, voice, pictures and videos according to header files;
c3: when the information input by the user is characters, processing the information input by the user to remove meaningless characters in the information;
c3.1: sending the information input by the user into a trained character information recognition model, classifying the information input by the user, and generating an information classification number;
c3.2: matching and judging the generated information classification number and the information classification number input by the user, and calling different communication modes for the information input by the user according to the information classification number if the generated information classification number is matched with the information classification number input by the user; if the matching is inconsistent, deleting the information input by the user, and not processing the information;
c4: when the information input by the user is voice, carrying out noise reduction processing on the information input by the user, and converting the information input by the user from a voice form to a character form through a voice recognition technology;
c4.1: the information input by the user converted into the character form is sent into a trained character information recognition model, the information input by the user is classified, an information classification number is generated, and the information classification number enters C3.2;
c5: when the information input by the user is a picture, carrying out image processing on the information input by the user, wherein the image processing comprises zooming and translation;
c5.1: sending the information input by the user into a trained picture information recognition model, classifying the information input by the user, generating an information classification number, and entering C3.2;
c6: when the information input by the user is a video, splitting the information input by the user according to frames to form a continuous picture set;
c6.1: sending the continuous picture sets into a trained picture information recognition model, classifying information input by a user, generating an information classification number, and entering C3.2;
the step of training the character information recognition model comprises the following steps:
d1: collecting information input by a user in a text form, and dividing the information into global information, regional information and personal information to be used as a training set;
d2: extracting different words in the training set, calculating frequency, inputting the frequency into a support vector machine as a feature, adjusting parameters in the support vector machine, and training a character information recognition model;
the training of the picture information recognition model comprises the following steps:
e1: collecting information input by a user in a picture form, and dividing the information into global information, regional information and personal information to be used as a training set;
e2: and (4) sending the training set into a deep learning model based on the CNN, extracting picture features, and training a picture information recognition model.
Furthermore, the system also comprises a signal transfer module, wherein the signal transfer module is used for enhancing the signal transmission between the user machines.
Further, the system also comprises a noise reduction module used for carrying out noise reduction processing on the signal received by the user machine.
The invention has the following advantages:
1. according to the invention, through the Beidou positioning and the ranging function based on the Beidou positioning, the distance between the positioning information requesting to support the squad and the user machine can be obtained, the squad can move quickly to carry out centralized rescue, and the rescue efficiency is improved.
2. According to the invention, each user machine is regarded as a micro base station by arranging the wireless communication module, so that information transfer is realized, and the information interaction efficiency can be improved by a wireless communication network formed by the user machines.
3. According to the invention, through the Beidou communication module and the wireless communication module, the comprehensive information interaction between the user machine and the main control station and between the user machine and the user machine can be realized, and the communication efficiency is improved.
4. The information classification module is arranged to classify the information, so that information interaction redundancy is avoided, and the information interaction efficiency is further improved.
5. In the invention, a user can input information in the mobile phone and realize information interaction on the user machine through the WiFi module, so that a common user can also carry out emergency communication through the mobile phone, and the adaptability is wide.
6. According to the invention, the signal transfer module is arranged near the obstacle, so that the signal is transferred at the obstacle, and the information interaction efficiency is improved.
7. According to the invention, the noise of the received information is reduced through the noise reduction module, so that the accuracy of information interaction is improved.
Drawings
Fig. 1 is a schematic structural diagram of an emergency communication system with a ranging function based on Beidou positioning, which is adopted in the embodiment of the invention.
Fig. 2 is a schematic structural diagram of a ranging module used in the present invention.
FIG. 3 is a flow chart of determining a distance between client devices according to the present invention.
FIG. 4 is a flow chart of invoking different communication methods employed by the present invention.
Fig. 5 is a flowchart of an emergency communication system with a ranging function based on Beidou positioning according to an embodiment of the present invention.
Fig. 6 is a schematic structural diagram of a wireless communication module adopted in the present invention.
Detailed Description
For ease of understanding, it is stated that emergency communication systems generally include a satellite, a master control station and a user machine, the satellite being an orbiting satellite, such as the beidou satellite; the main control station refers to a ground control platform and has the functions of data receiving, data processing, data output and the like; the user machine refers to a terminal device held by a user, and is used for information interaction with the satellite and operation interaction with the user.
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment 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.
Example 1
The utility model provides an emergent communication system that has range finding function based on big dipper location, as shown in FIG. 1, including big dipper orientation module, big dipper communication module, ranging module, alarm module, orientation module and wireless communication module:
the Beidou positioning module is used for acquiring the position of a user machine based on a Beidou positioning technology and sending the position to the distance measuring module, 2 Beidou orbiting satellites respectively acquire the distance from the user machine and transmit the distance to the master control station, the master control station calculates the position information of the user machine according to the distance from the 2 Beidou orbiting satellites to the user machine and the earth longitude and latitude, and the position information of the user machine is stored in a form of longitude and latitude and sent to the user machine through the Beidou satellites;
the Beidou communication module is used for transmitting information between the user machine and the main control station or between the user machine and the user machine based on a Beidou short message technology, for example, the user machine A compiles the information to be transmitted in a short message form, transmits the information to the Beidou satellite, transmits the information to the user B through the Beidou satellite, and realizes communication between the user machine A and the user machine B;
the distance measuring module is used for calculating the distance between the user machines according to the position information of the user machines, judging whether the distance is larger than the maximum communication distance allowed by the wireless communication module or not according to the distance between the user machines and sending a processing result to the alarm module and the guide module;
as shown in fig. 2, the ranging module includes a distance calculating unit and a distance determining unit;
the distance calculation unit is used for calculating the distance between the user computers according to the longitude and latitude information of the user computers, the disaster area is regarded as a plane due to the small range of the disaster area, and then the distance between the user computers is calculated according to the radius of the earth and the longitude and latitude difference value between the users;
the distance judging unit is used for selecting the distance between the user machines and judging whether the distance is greater than the maximum communication distance allowed by the wireless communication module;
as shown in fig. 3, the specific steps of the distance calculating unit determining the distance between the user equipments are as follows:
a1: acquiring longitude and latitude information of a user machine, and marking the user machine as a target user machine;
a2: calculating the distance between a target user machine and all other user machines, and recording the distance as a set delta, wherein the set delta is stored in an array form;
a3: performing bubble sorting on all elements in the set delta from small to large, selecting a first element which is marked as delta 1 and is the minimum distance between the target user machine and other user machines, and marking the corresponding user machine as a reference user machine;
a4: judging the maximum communication distance L allowed by the delta 1 and the wireless communication module, if the 'delta 1<L' is true, returning to A1, and judging the next user machine; if 'delta 1<L' is false, starting an alarm module and entering A5;
a5: selecting two user machines corresponding to the delta 1, connecting the two user machines, taking the direction close to the reference user machine as the guide, outputting the guide distance L-delta 1, and sending the guide and the guide distance L-delta 1 as the guide information to the guide module.
The alarm module is used for giving an alarm when the distance between the user machines is greater than the maximum communication distance allowed by the wireless communication module;
the guiding module is used for guiding the user according to guiding information provided by the ranging module, wherein the guiding information comprises guiding and guiding distance, and the guiding is an absolute direction taking the north pole of the earth as a reference and cannot change the direction along with the movement of the user;
and the wireless communication module is used for short-range communication between the user machines.
As shown in fig. 6, the wireless communication module includes an information obtaining unit, a signal sending unit, a signal receiving unit, and a signal classifying unit;
the information acquisition unit is used for acquiring information input by a user;
the signal sending unit is arranged in the user machine and used for sending information;
the signal receiving unit is arranged in the user machine and used for receiving information;
the signal classification unit is arranged in the user machine and used for calling different communication modes according to the information classification number;
as shown in fig. 4, the specific steps of the signal classification unit invoking different communication modes are as follows:
b1: acquiring information input by a user, wherein the information input by the user comprises characters, voice, pictures and videos;
b2: acquiring an information classification number input by a user, wherein the information classification number comprises '1', '2' and '3', '1' refers to global information, '2' refers to regional information, and '3' refers to individual information;
b3: if the obtained information classification number is '1', the information occupies the uplink and the downlink of all the user machines, namely the user machines are controlled to only send and receive the information;
b4: if the acquired information classification number is '2', generating a corresponding area mark according to the area to which the user machine belongs, identifying the user machine through the area mark, and only the user machines with the same area to which the user machine belongs can receive and send the information;
b5: if the acquired information classification number is '3', responding to the individual identification code input by the user, identifying the user machine through the individual identification code, and only the user machine corresponding to the individual identification code can receive the information and start the two-way communication.
As shown in fig. 6, the wireless communication module further includes a WiFi module, where the WiFi module carries a TCP server, and is used for a user to access the mobile electronic device to a user machine, so as to implement emergency communication, and the user operates the mobile electronic device, such as a mobile phone, and accesses the mobile phone to the TCP server through an input access point and a port, so that the user can input information through the mobile phone and implement information interaction on the user machine through the WiFi module, so that a general user can also perform emergency communication through the mobile phone, and the adaptability is wide.
As shown in fig. 6, the wireless communication module further includes an information classifying unit, an information identifying unit and an information determining unit;
the information classification unit is used for classifying information input by a user;
the information identification unit is used for loading different information identification models to identify the information input by the user and generating an information classification number;
the information judgment unit is used for carrying out matching judgment according to the generated information classification number and the information classification number input by the user, so that the situation that the user inputs the classification number in a mess, communication information interaction redundancy is caused, and emergency communication efficiency is influenced is avoided;
the wireless communication module is used for identifying the information input by the user and judging whether the information conforms to the information classification number, and the specific steps are as follows:
c1: acquiring information input by a user;
c2: classifying information input by a user into characters, voice, pictures and videos according to header files;
c3: when the information input by the user is characters, processing the information input by the user to remove meaningless characters in the information;
c3.1: sending the information input by the user into a trained character information recognition model, classifying the information input by the user, and generating an information classification number;
c3.2: matching and judging the generated information classification number and the information classification number input by the user, and calling different communication modes for the information input by the user according to the information classification number if the generated information classification number is matched with the information classification number input by the user; if the matching is inconsistent, deleting the information input by the user, and not processing the information;
c4: when the information input by the user is voice, carrying out noise reduction processing on the information input by the user, and converting the information input by the user from a voice form to a character form by a voice recognition technology;
c4.1: the information input by the user converted into the character form is sent into a trained character information recognition model, the information input by the user is classified, an information classification number is generated, and the information classification number enters C3.2;
c5: when the information input by the user is a picture, carrying out image processing on the information input by the user, wherein the image processing comprises zooming and translation;
c5.1: sending the information input by the user into a trained picture information recognition model, classifying the information input by the user, generating an information classification number, and entering C3.2;
c6: when the information input by the user is a video, splitting the information input by the user according to frames to form a continuous picture set;
c6.1: sending the continuous picture sets into a trained picture information recognition model, classifying information input by a user, generating an information classification number, and entering C3.2;
the step of training the character information recognition model comprises the following steps:
d1: collecting information input by a user in a text form, and dividing the information into global information, regional information and personal information to be used as a training set;
d2: extracting different words in the training set, calculating frequency, inputting the frequency into a support vector machine as a feature, adjusting parameters in the support vector machine, and training a character information recognition model;
the training of the picture information recognition model comprises the following steps:
e1: collecting information input by a user in a picture form, and dividing the information into global information, regional information and personal information to be used as a training set;
e2: and (4) sending the training set into a deep learning model based on CNN, extracting picture characteristics, and training a picture information recognition model.
As shown in fig. 5, based on the real disaster relief, the application method of the emergency communication system is as follows:
s1: rescue teams enter a disaster area, a main control station is established, team members are scattered in batches, and each team is provided with a user machine;
s2: after the position of the squad is determined, all the user machines send positioning signals to a Beidou satellite, and the Beidou positioning module positions all the user machines and sends position information corresponding to each user machine back to the corresponding user machine;
s3: the distance measurement module measures and traverses the distances among all the user machines, finds out the user machines which are out of the wireless communication range, generates guide information and sends the guide information to the corresponding user machines;
s4: the squad corresponding to the user machine out of the wireless communication range moves according to the guiding information and the position is determined again;
s5: all the teams perform disaster relief actions, key information such as material information, personnel rescue information and the like are interacted with the main control station through the Beidou communication module, and the main control station performs work such as resource general work, personnel statistics and the like;
s6: the teams continue to interact through the wireless communication module, when the situation that one team can not rescue is found, the team can send global information or regional information to request other teams to help, and the other teams can intensively rescue according to the positioning information of the team sending the request information and the corresponding distance.
In the embodiment, the distance between the positioning information requesting to support the squad and the user machine can be obtained through the Beidou positioning and the ranging function based on the Beidou positioning, so that the squad can conveniently and quickly move to carry out centralized rescue, and the rescue efficiency is improved; by arranging the wireless communication module, each user machine is regarded as a micro base station to realize information transfer, and a wireless communication network formed by the user machines can improve the information interaction efficiency; the Beidou communication module and the wireless communication module can realize omnidirectional information interaction between the user machine and the main control station and between the user machine and the user machine, and improve the communication efficiency; through setting the information classification module, information is classified, information interaction redundancy is avoided, and information interaction efficiency is further improved.
Example 2
As shown in fig. 1, the mobile terminal further comprises a signal transfer module, wherein the signal transfer module is used for enhancing signal transmission between the user machines, when a large obstacle exists between the user machines, the information transmission efficiency is obviously reduced, the signal transfer module is arranged near the obstacle, so that signal transfer is realized at the obstacle, and the information interaction efficiency is improved.
As shown in fig. 1, the system further includes a noise reduction module configured as a filter, configured to perform noise reduction processing on a signal received by the user equipment, where there are a lot of electromagnetic waves in the external environment, and these electromagnetic waves are noise for information interaction, and the filter is used to perform noise reduction on the received information, so as to improve the accuracy of information interaction.
The foregoing is a more detailed description of the invention in connection with specific preferred embodiments and it is not intended that the invention be limited to these specific details. For those skilled in the art to which the invention pertains, several equivalent substitutions or obvious modifications, which are equivalent in performance or use, without departing from the inventive concept, should be considered as falling within the scope of the present invention as defined by the appended claims.

Claims (10)

1. The utility model provides an emergent communication system that has range finding function based on big dipper location which characterized in that, including:
the Beidou positioning module is used for acquiring the position of the user machine based on a Beidou positioning technology;
the Beidou communication module is used for transmitting information between the user machine and the user machine based on a Beidou short message technology;
the wireless communication module is used for short-range communication between the user machines;
the alarm module is used for giving an alarm when the distance between the user machines is greater than the maximum communication distance allowed by the wireless communication module;
the distance measurement module is used for calculating the distance between the user machines according to the position information of the user machines, judging whether the distance is greater than the maximum communication distance allowed by the wireless communication module according to the distance between the user machines and sending a processing result to the alarm module;
and the guiding module is used for guiding the user according to the guiding information provided by the distance measuring module.
2. The Beidou positioning-based emergency communication system with distance measurement function according to claim 1, wherein the position information of the user machine is stored in a form of longitude and latitude.
3. The Beidou positioning-based emergency communication system with distance measurement function according to claim 2, wherein the distance measurement module comprises a distance calculation unit and a distance judgment unit;
the distance calculation unit is used for calculating the distance between the user computers according to the longitude and latitude information of the user computers;
the distance judging unit is used for selecting the distance between the user machines and judging whether the distance is greater than the maximum communication distance allowed by the wireless communication module;
the specific steps of the distance calculation unit for judging the distance between the user machines are as follows:
a1: acquiring longitude and latitude information of a user machine, and marking the user machine as a target user machine;
a2: calculating the distance between the target user machine and all other user machines, and recording as a set delta;
a3: bubble sorting is carried out on all elements in the set delta from small to large, the first element is selected and marked as delta 1 That is, the minimum distance between the target user machine and the other user machines, and marking the corresponding user machine as a reference user machine;
a4: determination of delta 1 The maximum allowable communication distance L between the wireless communication module and the wireless communication module is delta 1 <If L' is true, returning to A1, and judging the next user machine; if is delta 1 <If L' is false, starting an alarm module and entering A5;
a5: selection of delta 1 And the two corresponding user machines are connected with the two user machines, take the direction close to the reference user machine as the guide, output the guide distance L-delta 1 and send the guide and the guide distance L-delta 1 as the guide information to the guide module.
4. The Beidou positioning based emergency communication system with ranging function according to claim 3, wherein the set δ is stored in an array form.
5. The emergency communication system with the ranging function based on Beidou positioning is characterized in that the wireless communication module comprises an information acquisition unit, a signal sending unit, a signal receiving unit and a signal classification unit;
the information acquisition unit is used for acquiring information input by a user;
the signal sending unit is arranged in the user machine and used for sending information;
the signal receiving unit is arranged in the user machine and used for receiving information;
the signal classification unit is arranged in the user machine and used for calling different communication modes according to the information classification number;
the specific steps of the signal classification unit for calling different communication modes are as follows:
b1: acquiring information input by a user;
b2: acquiring an information classification number input by a user, wherein the information classification number comprises '1', '2' and '3', '1' referring to global information, '2' referring to regional information, and '3' referring to individual information;
b3: if the obtained information classification number is '1', the information occupies the uplink and the downlink of all the user machines, namely the user machines are controlled to only send and receive the information;
b4: if the obtained information classification number is '2', generating a corresponding area mark according to the area to which the user machine belongs, identifying the user machine through the area mark, and only the user machines with the same area can receive and send the information;
b5: if the acquired information classification number is '3', responding to the individual identification code input by the user, identifying the user machine through the individual identification code, and only the user machine corresponding to the individual identification code can receive the information and start the two-way communication.
6. The Beidou positioning-based emergency communication system with distance measurement function according to claim 5, wherein the information input by the user comprises characters, voice, pictures and video.
7. The Beidou positioning-based emergency communication system with distance measurement function according to claim 6, wherein the wireless communication module further comprises a WiFi module;
the WiFi module carries a TCP server and is used for enabling a user to access the mobile electronic equipment to a user machine so as to achieve emergency communication.
8. The Beidou positioning-based emergency communication system with distance measurement function according to claim 7, wherein the wireless communication module further comprises an information classification unit, an information identification unit and an information judgment unit;
the information classification unit is used for classifying information input by a user;
the information identification unit is used for loading different information identification models to identify the information input by the user and generating an information classification number;
the information judgment unit is used for carrying out matching judgment according to the generated information classification number and the information classification number input by the user;
the wireless communication module is used for identifying the information input by the user and judging whether the information conforms to the information classification number, and the specific steps are as follows:
c1: acquiring information input by a user;
c2: classifying information input by a user into characters, voice, pictures and videos according to header files;
c3: when the information input by the user is characters, processing the information input by the user to remove meaningless characters in the information;
c3.1: sending the information input by the user into a trained character information recognition model, classifying the information input by the user, and generating an information classification number;
c3.2: matching and judging the generated information classification number and the information classification number input by the user, and calling different communication modes for the information input by the user according to the information classification number if the generated information classification number is matched with the information classification number input by the user; if the matching is inconsistent, deleting the information input by the user, and not processing the information;
c4: when the information input by the user is voice, carrying out noise reduction processing on the information input by the user, and converting the information input by the user from a voice form to a character form by a voice recognition technology;
c4.1: the information input by the user converted into the character form is sent into a trained character information recognition model, the information input by the user is classified, an information classification number is generated, and the information classification number enters C3.2;
c5: when the information input by the user is a picture, carrying out image processing on the information input by the user, wherein the image processing comprises zooming and translation;
c5.1: sending the information input by the user into a trained picture information recognition model, classifying the information input by the user, generating an information classification number, and entering C3.2;
c6: when the information input by the user is a video, splitting the information input by the user according to frames to form a continuous picture set;
c6.1: sending the continuous picture sets into a trained picture information recognition model, classifying information input by a user, generating an information classification number, and entering C3.2;
the step of training the character information recognition model comprises the following steps:
d1: collecting information input by a user in a text form, and dividing the information into global information, regional information and personal information to be used as a training set;
d2: extracting different words in the training set, calculating frequency, inputting the frequency into a support vector machine as a feature, adjusting parameters in the support vector machine, and training a character information recognition model;
the training of the picture information recognition model comprises the following steps:
e1: collecting information input by a user in a picture form, and dividing the information into global information, regional information and personal information to be used as a training set;
e2: and (4) sending the training set into a deep learning model based on CNN, extracting picture characteristics, and training a picture information recognition model.
9. The Beidou positioning-based emergency communication system with distance measuring function according to claim 8, further comprising a signal transfer module, wherein the signal transfer module is used for enhancing signal transmission between the user machines.
10. The Beidou positioning based emergency communication system with ranging function according to claim 9, further comprising a noise reduction module for performing noise reduction processing on signals received by the user machine.
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Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080186135A1 (en) * 2004-09-03 2008-08-07 Boling Brian M Mass occupant emergency notification system using satellite radio downlink
CN104244173A (en) * 2013-06-05 2014-12-24 深圳星联宇科技有限公司 Handheld communication terminal based on Beidou system
CN105611518A (en) * 2015-11-05 2016-05-25 江苏理工学院 Beidou short message emergency communication base station and communication method
CN205396286U (en) * 2016-02-18 2016-07-27 北斗国科（武汉）科技有限公司 Anti -theft system of electromotor car
CN106792581A (en) * 2016-12-21 2017-05-31 福建星海通信科技有限公司 A kind of Big Dipper voice communication method and system
TWM549933U (en) * 2017-07-10 2017-10-01 Chung-Dial Lim Wearable wireless communication device
WO2018036554A1 (en) * 2016-08-25 2018-03-01 徐克� Apparatus fault detection system, and fault detection device
CN109412638A (en) * 2018-10-16 2019-03-01 深圳市坚鼎同创科技有限公司 A kind of intelligent communications device independent of internet and communication network
CN112351410A (en) * 2020-11-06 2021-02-09 中国航空工业集团公司上海航空测控技术研究所 Be applied to three networks of general aircraft and merge transmission device
JP2021090088A (en) * 2019-12-02 2021-06-10 株式会社Ｋｄｄｉ総合研究所 Device, program, and method for identifying terminal on the basis of correspondence between communication type and target type
CN113938871A (en) * 2021-08-31 2022-01-14 郑州旅游职业学院 Multi-person intercommunication system for group tourism

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080186135A1 (en) * 2004-09-03 2008-08-07 Boling Brian M Mass occupant emergency notification system using satellite radio downlink
CN104244173A (en) * 2013-06-05 2014-12-24 深圳星联宇科技有限公司 Handheld communication terminal based on Beidou system
CN105611518A (en) * 2015-11-05 2016-05-25 江苏理工学院 Beidou short message emergency communication base station and communication method
CN205396286U (en) * 2016-02-18 2016-07-27 北斗国科（武汉）科技有限公司 Anti -theft system of electromotor car
WO2018036554A1 (en) * 2016-08-25 2018-03-01 徐克� Apparatus fault detection system, and fault detection device
CN106792581A (en) * 2016-12-21 2017-05-31 福建星海通信科技有限公司 A kind of Big Dipper voice communication method and system
TWM549933U (en) * 2017-07-10 2017-10-01 Chung-Dial Lim Wearable wireless communication device
CN109412638A (en) * 2018-10-16 2019-03-01 深圳市坚鼎同创科技有限公司 A kind of intelligent communications device independent of internet and communication network
JP2021090088A (en) * 2019-12-02 2021-06-10 株式会社Ｋｄｄｉ総合研究所 Device, program, and method for identifying terminal on the basis of correspondence between communication type and target type
CN112351410A (en) * 2020-11-06 2021-02-09 中国航空工业集团公司上海航空测控技术研究所 Be applied to three networks of general aircraft and merge transmission device
CN113938871A (en) * 2021-08-31 2022-01-14 郑州旅游职业学院 Multi-person intercommunication system for group tourism

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
罗政: "北斗卫星导航***在应急预警信息发布中的应用", 《数字通信世界》 *

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