CN100589147C - Shipborne terminal for implementing area alarm and alarm method - Google Patents
Shipborne terminal for implementing area alarm and alarm method Download PDFInfo
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- CN100589147C CN100589147C CN200810117622A CN200810117622A CN100589147C CN 100589147 C CN100589147 C CN 100589147C CN 200810117622 A CN200810117622 A CN 200810117622A CN 200810117622 A CN200810117622 A CN 200810117622A CN 100589147 C CN100589147 C CN 100589147C
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Abstract
The invention discloses a ship-bone terminal which realizes regional alarming based on the Beidou Satellite System, and an alarming method, wherein, the ship-bone terminal can realize the real-time location of GPS or the requested location of the Beidou Satellite System, obtain the current location information of ships and communicate with Beidou satellites; after obtaining the current location information of ships, the ship-bone terminal judges whether the current location is located in own preserved alarming regions; if so, the ship-bone terminal gives alarm to a display module so as to notify users or sends the information of own current location, navigational direction, navigational speed, and emergency alarm as well as SOS, etc. to the Beidou satellites which transmit and report the information to a ground control center; furthermore, the ship-bone terminal also can receive the information of the ground control center, which is transmitted by the Beidou satellites and includes controlling instructions, messages and alarming, etc., thus carrying out interactive communication with the ground control center and realizing the functions of regional alarming, monitoring and managing, alarming and rescuing the fishery vessels.
Description
Technical field
The present invention relates to satnav, navigation, communication technical field, relate in particular to a kind of Shipborne terminal and alarm method of realizing Zone Alerts.
Background technology
For deepwater boats and ships,, can on the ocean, delimit some zones that enter that are prohibited from entering or limit because of national marine site, meteorological disaster, fisheries administrative, frontier defense management, military exercises etc. need.Enter these specific regions for fear of deepwater boats and ships, if can before entering the zone, report to the police, boats and ships self can obtain its warning simultaneously, and give ground control centre or other relevant boats and ships with the timely broadcast of the information of these warnings, then can provide good safety guarantee and scientific and effective management for boats and ships.
In view of the applicable satellite system of present China has gps system and dipper system.Gps system has that real-time is good, the bearing accuracy advantages of higher, and shortcoming is to receive gps signal, can not communicate.The user terminal of the dipper system of China's independent research can send location or communication request by certain frequency, realize locating and communicating with other-end, but real-time is subjected to the frequency restriction.Two kinds of satellite systems are carried out integrated application, just can give full play to advantage separately, enlarge the scope of applying.Therefore, use communication and location and navigation technology based on existing satellite system, obtaining a kind of Shipborne terminal of Zone Alerts and demand of alarm method of realizing just becomes possibility.
Summary of the invention
Technical matters to be solved by this invention is, provides a kind of and realizes the Shipborne terminal and the alarm method of Zone Alerts based on the big-dipper satellite system, realizes that Shipborne terminal enters or leave warning to the particular alarm zone.
The invention provides a kind of Shipborne terminal based on big-dipper satellite system realization Zone Alerts, described Shipborne terminal comprises indicative control unit and GPS/ Big Dipper bimodulus positioning and communicating unit, wherein:
Described GPS/ Big Dipper bimodulus positioning and communicating unit comprises the Big Dipper module that is used to realize the GPS module of GPS real-time positioning and is used to realize Big Dipper request location, obtains GPS locating information and/or Big Dipper locating information respectively; Be used for communicating, carry out interactive communication by big-dipper satellite and ground control centre or other user by Big Dipper module and big-dipper satellite; Be used for judging according to the alarm region data of being stored whether current location starts warning, if when need to start reporting to the police, then to described indicative control unit send warning message and/or by Big Dipper module through big-dipper satellite earthward control center send warning message;
Described indicative control unit, be used to boats and ships user viewing area warning message, also be used to the boats and ships user to provide inputting interface to carry out input control information, navigation interface and communication information display interface are provided, after receiving described warning message, be user's display alarm information.
Further, described GPS/ Big Dipper bimodulus positioning and communicating unit further includes internal memory; Described alarm region data are to be stored in the one or more polygons in the internal memory of described GPS/ Big Dipper bimodulus positioning and communicating unit or the data of rectangle or border circular areas.
Further, described alarm region data are to be provided with in the initialization procedure of GPS/ Big Dipper bimodulus positioning and communicating unit, or the steering order that reception is transmitted the ground control centre by big-dipper satellite is carried out long-range increase, modification and deletion.
Further, described warning message comprises Zone Alerts prompting frame, and this Zone Alerts prompting frame comprises following field: type of service, service condition, date, time, longitude scope, longitude, latitude scope, latitude, speed, orientation, alarm region number, zone number and warning classification.
Further, described GPS/ Big Dipper bimodulus positioning and communicating unit is the locating information that continues to obtain these boats and ships, after obtaining positional information, the relative position relation of the alarm region of judging current present position in real time or periodically and being stored, judge boats and ships current be to enter or leave alarm region, and the information that sends corresponding warning message and remove to report to the police according to judged result.
Further, described GPS/ Big Dipper bimodulus positioning and communicating unit is when boats and ships enter alarm region and satisfy alert if, the structure warning message also notifies indicative control unit to send warning with the form of acousto-optic electricity, simultaneously by big-dipper satellite control center's warning earthward.
Further, described GPS/ Big Dipper bimodulus positioning and communicating unit is when boats and ships leave alarm region and satisfy the releasing alert if, construction solution removes Zone Alerts information, control center sends described releasing Zone Alerts information earthward, and the notice indicative control unit sends the acousto-optic report of once removing Zone Alerts to the user when receiving releasing Zone Alerts information.
The present invention also provides a kind of method based on the described Shipborne terminal realization of claim Zone Alerts, comprises the steps:
Carry out GPS real-time positioning and Big Dipper request location, obtain GPS locating information and/or Big Dipper locating information respectively, determine the current location of boats and ships;
Judge according to the alarm region data of being stored whether current location need start warning, if when need to start reporting to the police, then to user's described indicative control unit send warning message and/or by Big Dipper module through big-dipper satellite earthward control center send warning message.
Further, described method further comprises:
Further after receiving described warning message, be boats and ships user viewing area warning message, carry out input control information for the boats and ships user provides inputting interface, navigation interface and communication information display interface are provided by described indicative control unit.
Further, described warning/prewarning area data are to be stored in the one or more polygons in the internal memory of described GPS/ Big Dipper bimodulus positioning and communicating unit or the data of rectangle or border circular areas.
Further, described alarm region data are to be provided with in the initialization procedure of GPS/ Big Dipper bimodulus positioning and communicating unit, or the steering order that reception is transmitted the ground control centre by big-dipper satellite is carried out long-range increase, modification and deletion.
Further, described warning message comprises Zone Alerts prompting frame, and this Zone Alerts prompting frame comprises following field: type of service, service condition, date, time, longitude scope, longitude, latitude scope, latitude, speed, orientation, alarm region number, zone number and warning classification.
Further, described GPS/ Big Dipper bimodulus positioning and communicating unit is the locating information that continues to obtain these boats and ships, after obtaining positional information, the relative position relation of the alarm region of judging current present position in real time or periodically and being stored, judge boats and ships current be to enter or leave alarm region, and the information that sends corresponding warning message and remove to report to the police according to judged result:
When boats and ships entered alarm region and satisfy alert if, the structure warning message also notified indicative control unit to send warning with the form of acousto-optic electricity, simultaneously by big-dipper satellite control center's warning earthward;
When boats and ships leave alarm region and satisfy the releasing alert if, construction solution removes Zone Alerts information, control center sends described releasing Zone Alerts information earthward, and the notice indicative control unit sends the acousto-optic report of once removing Zone Alerts to the user when receiving releasing Zone Alerts information.
Further, described method further comprises:
If the warning of a Shipborne terminal is in halted state, triggered the another one warning again, the former recovers to report to the police so;
If for stopping service state, then execution area is not reported to the police the information of this Shipborne terminal duty of obtaining from the positioning and communicating unit of Shipborne terminal.
Shipborne terminal comprises GPS/ Big Dipper bimodulus positioning and communicating unit and indicative control unit among the present invention, the real-time positioning of GPS or the request location of the Big Dipper are realized in GPS/ Big Dipper bimodulus positioning and communicating unit, and to its locator data analyze, filter, verify, processing such as packing; Simultaneously can also realize communicating with big-dipper satellite, with oneself current location, the course and the speed of a ship or plane, and information such as emergency alarm and emergency are sent to big-dipper satellite, report the ground control centre by the big-dipper satellite forwarding; The bimodulus Shipborne terminal also can receive the ground control centre and transmit the information such as steering order, note and alarm of coming through big-dipper satellite, carries out interactive communication with the ground control centre, realizes the functions such as Zone Alerts, monitoring management and warning rescue to fishery vessel.
The data that can store 100 polygons, rectangle and circular alarm regions in the GPS/ Big Dipper bimodulus positioning and communicating unit, these data are initialization settings of GPS/ Big Dipper bimodulus positioning and communicating unit, also can receive by the steering order of big-dipper satellite forwarding ground control centre to carry out long-range increase, modification and deletion.
The Shipborne terminal of realizing Zone Alerts can constantly obtain this vessel's position information, and the alarm region data that upgrade in time.After obtaining locating information, can be in real time or periodic according to current locating information, the relative position relation of the alarm region of judging the present located position and being stored when entering alarm region as if the determined location point of the current locating information of boats and ships, then sends corresponding warning message.
Using the present invention can adopt two kinds of locator meamss to obtain the current location information of boats and ships, alarm region data according to storage in advance can judge that current boats and ships are to enter or leave alarm region, and in time send warning message, for user and ground control centre checking monitoring.
Description of drawings
Fig. 1 is the schematic diagram with Shipborne terminal of Zone Alerts function;
Fig. 2 is the concrete structure figure that realizes the Zone Alerts prompting frame of Zone Alerts.
The technical scheme of embodiment
For making the purpose, technical solutions and advantages of the present invention more clear, the present invention is described in further detail below in conjunction with accompanying drawing.
Be to solve the location and the communication issue of all kinds of boats and ships on the ocean, and realize functions such as navigation, emergency alarm, monitoring management, the invention provides a kind of Shipborne terminal and alarm method of realizing Zone Alerts based on the big-dipper satellite system based on positioning and communicating.A kind of Shipborne terminal that can realize Zone Alerts as shown in Figure 1, this Shipborne terminal comprises indicative control unit and GPS/ Big Dipper bimodulus positioning and communicating unit.
Described indicative control unit, be used to boats and ships user viewing area warning message, also be used to the boats and ships user to provide inputting interface to carry out input control information, navigation interface and communication information display interface are provided, so that for the user shows acquiring satellite and locating information, electronic chart, navigation information, and the text communication information of morning and evening tides information and control center etc.
Described GPS/ Big Dipper bimodulus positioning and communicating unit is used to realize GPS real-time positioning or Big Dipper request location, and to locator data analyze, filter, verify, processing such as packing; Can also communicate with big-dipper satellite, the position data packing is sent to big-dipper satellite, be transmitted to the ground control centre again; Can also receive the ground control centre transmits and information such as the steering order of coming, text communication through big-dipper satellite.
GPS/ Big Dipper bimodulus positioning and communicating unit and indicative control unit two-way communication, GPS/ Big Dipper bimodulus positioning and communicating unit send to indicative control unit with information such as the character message of the locating information that received, ground control centre, alarms and show; Indicative control unit sends user instruction information and obtains needed navigation information to GPS/ Big Dipper bimodulus positioning and communicating unit, GPS/ Big Dipper bimodulus positioning and communicating unit also sends to big-dipper satellite with information such as user's warning, communication, switching on and shutting down reports, relays and reports the ground control centre.
GPS/ Big Dipper bimodulus positioning and communicating unit further comprises storage unit, be used to store some area datas that are predefined for alarm region, described storage unit can be stored the data of 100 polygons, rectangle and border circular areas, these data can also can be received by the steering order of big-dipper satellite forwarding ground control centre and be carried out long-range increase, modification and deletion by the initialization setting of GPS/ Big Dipper bimodulus positioning and communicating unit.
Described GPS/ Big Dipper bimodulus positioning and communicating unit further comprises GPS module and Big Dipper module, and the GPS module is used to receive the GPS locator data, and Big Dipper module is used for receiving locator data alternately with big-dipper satellite and communicating.
The Shipborne terminal of realizing Zone Alerts can adopt GPS real-time positioning or Big Dipper request location, constantly obtains this vessel's position information; After obtaining locating information, can be in real time or periodically according to current locating information and the prewarning area of storage in advance or the information of alarm region, the prewarning area that storage unit in judgement present located position and the GPS/ Big Dipper bimodulus positioning and communicating unit is stored or the relative position relation of alarm region, when if the determined location point of the current locating information of boats and ships enters alarm region, then send and the corresponding warning message of this alarm region.
When boats and ships entered alarm region and satisfy alert if, the indicative control unit of Shipborne terminal sent warning with the form of acousto-optic electricity, and GPS/ Big Dipper bimodulus positioning and communicating unit is by big-dipper satellite control center's warning earthward simultaneously.Control center's warning is to report automatically with 10 minutes frequency earthward, so that make the ground control centre monitor the dynamic of these boats and ships; The acousto-optic electric alarm that the indicative control unit of Shipborne terminal sends finishes after sending 10 times continuously with per minute frequency once; When receiving releasing Zone Alerts information, send the acousto-optic report of once removing Zone Alerts.When boats and ships left alarm region and satisfy condition subsequent, GPS/ Big Dipper bimodulus positioning and communicating unit is control center sending zone alarm release information earthward.
Warning as a Shipborne terminal is in halted state, has triggered the another one warning again, and the former recovers to report to the police so.The ground control centre also can the manual reversion Zone Alerts.In order to ensure the correctness of setting area with conveniently examine, Shipborne terminal can be according to request, the single detail location information that requires to check the zone of specifying of returning.
Specify the method for reporting to the police in the zoning below.At first Shipborne terminal obtains current position information, according to the alarm region information of being preserved, calculate current location and the relation of specifying alarm region: if be in the alarm region and meet trigger condition, so Shipborne terminal respectively earthward the indicative control unit of control center and Shipborne terminal send alarm report by separately warning message form, under the situation that triggers warning, carry out the timing alarm processing logic.
Alarm region is assigned unique zone number.The ground control centre can stop or recovering the warning in this zone according to zone number; Under other area triggering alarm condition, form Zone Alerts information, the Zone Alerts cancellation that has been set to stop to stop to be provided with.
In the appointed area operation or when leaving the zone, the ground control centre can be sent prompting automatically at boats and ships; The boats and ships user can utilize the indicative control unit of Shipborne terminal according to Zone Alerts information, guarantees that boats and ships carry out operation in the appointed area.
Because the some alarm regions of storage in the Shipborne terminal, when obtaining a locating information and need carry out alarm decision, can check zone one by one, judge whether to enter or leave alarm region.When Shipborne terminal gets access to new locator data, obtain an alarm region and according to the condition judgment Zone Alerts is set, if if satisfy alert and if should not have alarm history in the zone, put into the warning message transmit queue, be defaulted as transmit status and earthward control center report 2 sub-region warning messages, if do not satisfy alert if then begin to travel through other alarm region.
When judging the relative position of current location information alarm region, generating Zone Alerts has two kinds of position distribution situations:
One, current location point encloses outside the polygon at zone boundary point;
Its two, current location point encloses on the polygon sideline or wherein at zone boundary point.
Zone Alerts is judged with the relative position in zone by current location point and preceding two sampling location points.Determined warning can be designated as following supervisor status according to relative position relation:
" prohibit " condition: previous sampling location point in the zone, current location point is outside the zone;
" do not enter " condition: previous sampling location point outside the zone, current location point is in the zone;
" taboo operation " condition: current location point in the zone, velocity amplitude is less than " headway threshold value ".
For example the alert if of She Dinging has four location point P1 (zone is outer), P2 (in the zone), P3 (in the zone) and P4 (in the zone) according to the time order and function sampling, and wherein " not entering " alarm set point is P2 and P3.Other point is not reported to the police.And for example: four sampled point A (in the zone), B (zone is outer), C (zone is outer) and D (zone is outer) are arranged, determine that then " prohibiting " alarm set point is B and C, other point is not reported to the police.
Zone Alerts information sends to the indicative control unit of ground control centre and Shipborne terminal.After Zone Alerts is sent completely, send warning message to the ground control centre, remove up to Zone Alerts by frequency circulation once in 10 minutes.When removing Zone Alerts, current location has two kinds of situations with the relative position in zone:
One, current location point is outside the polygon that zone boundary point enclosed;
Its two, current location point is on the polygon sideline that zone boundary point enclosed or wherein.
When removing Zone Alerts, judge with the relative position in zone by current location point and preceding two sampling location points, remove the zone of reporting to the police simultaneously and mostly be most nine.Wherein:
The condition that " goes out the zone ": previous sampling location point in the zone, current location point is outside the zone.
The condition of " going into the zone ": previous sampling location point outside the zone, current location point is in the zone.
The condition of " leaving the zone ": current location point outside the zone, speed is greater than " headway threshold value ".
For example when determining whether to remove warning, four sampled point P1 (in the zone), P2 (zone is outer), P3 (regional outer) are arranged according to time order and function, P4 (zone is outer), then " go into the zone " removing alarm set point is P2 and P3, other is put and is not reported.And for example: four sampled point A (zone is outer), B (in the zone), C (in the zone) are arranged, D (in the zone), then " go out the zone " removing alarm set point is B and C, other point is not reported.After determining that Zone Alerts is removed, Zone Alerts releasing information is sent to the indicative control unit of ground control centre and Shipborne terminal.Receive Zone Alerts and remove information, the ground control centre stops monitoring, and the indicative control unit of Shipborne terminal stops sound and light alarm.
The concrete structure figure of the realization Zone Alerts that Zone Alerts adopted prompting frame as shown in Figure 2 in a kind of Shipborne terminal alarm method.Its Zone Alerts prompting frame comprises following field:
A) type of service is a byte, is used for the Zone Alerts prompting;
B) service condition is a byte, is made up of positioning states, power supply classification, battery dump energy field;
C) date and time is respectively three bytes, is the sampling time of the position location of measuring since 2000; Date takes YYMMDD to represent; Time adopts HHMMSS to represent;
D) longitude scope and latitude scope are respectively a byte; The longitude scope is represented east longitude with E, represents west longitude with W; Latitude scope is represented north latitude with N, represents south latitude with S;
E) longitude and latitude are respectively nybble; A table of bytes indication, a byte representation integer branch, byte representation integer second, a little several seconds of byte representation;
F) speed is a byte, adopts unsigned number to represent that unit is 0.1 meter per second;
G) orientation is a byte, adopts unsigned number to represent that the expression scope is: 0～360 °, and 0 ° of expression direct north, the clockwise direction of taking this as the standard increases, and unit is 2 degree;
H) alarm region number is a byte, the alarm region number (≤9) that expression triggers;
I) zone number is a byte, expression alarm region numbering;
J) warning classification is a byte, and 0 expresses the zone, and the zone is gone in 1 expression, operation in the 2 expression zones, and Zone Alerts is removed out in 5 expressions, and 6 expressions remove Zone Alerts, and Job Alerts in the zone is removed in 7 expressions.
All can adopt the accommodation Zone Alerts information of screen display and sound prompting mode at the indicative control unit of ground control centre and Shipborne terminal; If for stopping service state, then execution area is not reported to the police the information of relevant this Shipborne terminal duty of obtaining from the positioning and communicating unit of Shipborne terminal.
The Shipborne terminal of realizing Zone Alerts based on the big-dipper satellite system is after receiving the Zone Alerts prompting frame information of big-dipper satellite forwarding, and according to the sign in the prompting frame, determining to report to the police still is the releasing Zone Alerts.If be Zone Alerts, then the display background of Shipborne terminal indicative control unit flicker is 3 seconds, and sounds, and reports to the police once to circulate by per minute simultaneously and finishes after 10 times.As receiving the releasing warning message in the cyclic process of reporting to the police, stop so reporting to the police at 10 times.The information stores that warning and releasing are reported to the police is in the tabulation of " having received note ".
Described herein only is preferred exemplifying embodiment of the present invention, is not limited to the present invention, and for the person skilled in art, the present invention can have various changes and variation.Therefore, allly relate to any modification of within innovation of the present invention and principle, being done, be equal to replacement, improve and upgrade or the like, all should be included within protection scope of the present invention.
Claims (16)
1, a kind of Shipborne terminal based on big-dipper satellite system realization Zone Alerts is characterized in that described Shipborne terminal comprises indicative control unit and GPS/ Big Dipper bimodulus positioning and communicating unit, wherein:
Described GPS/ Big Dipper bimodulus positioning and communicating unit comprises the Big Dipper module that is used to realize the GPS module of GPS real-time positioning and is used to realize Big Dipper request location, obtains GPS locating information and/or Big Dipper locating information respectively; Be used for communicating, carry out interactive communication by big-dipper satellite and ground control centre or other user by Big Dipper module and big-dipper satellite; Be used for judging according to the alarm region data of being stored whether current location starts warning, if when need to start reporting to the police, then to described indicative control unit send warning message and/or by Big Dipper module through big-dipper satellite earthward control center send warning message;
Described indicative control unit, be used to boats and ships user viewing area warning message, also be used to the boats and ships user to provide inputting interface to carry out input control information, navigation interface and communication information display interface are provided, after receiving described warning message, be user's display alarm information.
2, Shipborne terminal as claimed in claim 1 is characterized in that, described GPS/ Big Dipper bimodulus positioning and communicating unit further includes internal memory; Described alarm region data are to be stored in the one or more polygons in the internal memory of described GPS/ Big Dipper bimodulus positioning and communicating unit or the data of border circular areas.
3, Shipborne terminal as claimed in claim 2 is characterized in that, is stored in the polygonal data in the internal memory of described GPS/ Big Dipper bimodulus positioning and communicating unit, comprises the data of rectangle.
4, Shipborne terminal as claimed in claim 1 or 2, it is characterized in that, described alarm region data are to be provided with in the initialization procedure of GPS/ Big Dipper bimodulus positioning and communicating unit, or the steering order that reception is transmitted the ground control centre by big-dipper satellite is carried out long-range increase, modification and deletion.
5, Shipborne terminal as claimed in claim 1, it is characterized in that, described warning message comprises Zone Alerts prompting frame, and this Zone Alerts prompting frame comprises following field: type of service, service condition, date, time, longitude scope, longitude, latitude scope, latitude, speed, orientation, alarm region number, zone number and warning classification.
6, Shipborne terminal as claimed in claim 1, it is characterized in that, described GPS/ Big Dipper bimodulus positioning and communicating unit is the locating information that continues to obtain these boats and ships, after obtaining positional information, the relative position relation of the alarm region of judging current present position in real time or periodically and being stored, judge boats and ships current be to enter or leave alarm region, and the information that sends corresponding warning message and remove to report to the police according to judged result.
7, Shipborne terminal as claimed in claim 6, it is characterized in that, described GPS/ Big Dipper bimodulus positioning and communicating unit is when boats and ships enter alarm region and satisfy alert if, the structure warning message also notifies indicative control unit to send warning with the form of acousto-optic electricity, simultaneously by big-dipper satellite control center's warning earthward.
8, Shipborne terminal as claimed in claim 6 is characterized in that,
Described GPS/ Big Dipper bimodulus positioning and communicating unit is when boats and ships leave alarm region and satisfy the releasing alert if, construction solution removes Zone Alerts information, control center sends described releasing Zone Alerts information earthward, and the notice indicative control unit sends the acousto-optic report of once removing Zone Alerts to the user when receiving releasing Zone Alerts information.
9, a kind of method based on the described Shipborne terminal realization of claim 1 Zone Alerts is characterized in that, comprises the steps:
Carry out GPS real-time positioning and Big Dipper request location, obtain GPS locating information and/or Big Dipper locating information respectively, determine the current location of boats and ships;
Judge according to the alarm region data of being stored whether current location need start warning, if when need to start reporting to the police, then to user's described indicative control unit send warning message and/or by Big Dipper module through big-dipper satellite earthward control center send warning message.
10, method as claimed in claim 9 is characterized in that, described method further comprises:
Further after receiving described warning message, be boats and ships user viewing area warning message, carry out input control information for the boats and ships user provides inputting interface, navigation interface and communication information display interface are provided by described indicative control unit.
11, method as claimed in claim 9 is characterized in that,
Described alarm region data are to be stored in the one or more polygons in the internal memory of described GPS/ Big Dipper bimodulus positioning and communicating unit or the data of border circular areas.
12, method as claimed in claim 11 is characterized in that,
Be stored in the polygonal data in the internal memory of described GPS/ Big Dipper bimodulus positioning and communicating unit, comprise the data of rectangle.
13, method as claimed in claim 9 is characterized in that,
Described alarm region data are to be provided with in the initialization procedure of GPS/ Big Dipper bimodulus positioning and communicating unit, or the steering order that reception is transmitted the ground control centre by big-dipper satellite is carried out long-range increase, modification and deletion.
14, method as claimed in claim 9 is characterized in that,
Described warning message comprises Zone Alerts prompting frame, and this Zone Alerts prompting frame comprises following field: type of service, service condition, date, time, longitude scope, longitude, latitude scope, latitude, speed, orientation, alarm region number, zone number and warning classification.
15, method as claimed in claim 9 is characterized in that,
Described GPS/ Big Dipper bimodulus positioning and communicating unit is the locating information that continues to obtain these boats and ships, after obtaining positional information, the relative position relation of the alarm region of judging current present position in real time or periodically and being stored, judge boats and ships current be to enter or leave alarm region, and the information that sends corresponding warning message and remove to report to the police according to judged result:
When boats and ships entered alarm region and satisfy alert if, the structure warning message also notified indicative control unit to send warning with the form of acousto-optic electricity, simultaneously by big-dipper satellite control center's warning earthward;
When boats and ships leave alarm region and satisfy the releasing alert if, construction solution removes Zone Alerts information, control center sends described releasing Zone Alerts information earthward, and the notice indicative control unit sends the acousto-optic report of once removing Zone Alerts to the user when receiving releasing Zone Alerts information.
16, method as claimed in claim 9 is characterized in that, described method further comprises:
If the warning of a Shipborne terminal is in halted state, triggered the another one warning again, the former recovers to report to the police so;
If for stopping service state, then execution area is not reported to the police the information of this Shipborne terminal duty of obtaining from the positioning and communicating unit of Shipborne terminal.
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| CN200810117622A CN100589147C (en) | 2008-08-01 | 2008-08-01 | Shipborne terminal for implementing area alarm and alarm method |
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| CN200810117622A CN100589147C (en) | 2008-08-01 | 2008-08-01 | Shipborne terminal for implementing area alarm and alarm method |
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| CN101938687B (en) * | 2009-07-01 | 2015-06-17 | 北京神州天鸿科技有限公司 | Beidou communication terminal equipment with wireless communication function and method thereof |
| CN102137485B (en) * | 2010-01-27 | 2013-07-17 | 鼎桥通信技术有限公司 | Maritime affairs approaching alarm method and system |
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