CN114885296A - Peripheral ship position information communication method and device based on short message and storage medium - Google Patents

Peripheral ship position information communication method and device based on short message and storage medium Download PDF

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CN114885296A
CN114885296A CN202210522939.9A CN202210522939A CN114885296A CN 114885296 A CN114885296 A CN 114885296A CN 202210522939 A CN202210522939 A CN 202210522939A CN 114885296 A CN114885296 A CN 114885296A
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bit
ship
position information
short message
nautical miles
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CN114885296B (en
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陆海
王振峰
张世豪
华文
杨群慧
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Tongji University
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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
    • H04W4/12—Messaging; Mailboxes; Announcements
    • H04W4/14—Short messaging services, e.g. short message services [SMS] or unstructured supplementary service data [USSD]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/185—Space-based or airborne stations; Stations for satellite systems
    • H04B7/1851—Systems using a satellite or space-based relay
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0061—Error detection codes
    • 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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  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Mobile Radio Communication Systems (AREA)
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Abstract

The invention relates to a peripheral ship position information communication method based on short messages, which comprises the following steps: acquiring AIS related data; peripheral ship position information in a Beidou short message form is created according to the data, wherein one piece of peripheral ship position information is represented by a single Beidou short message, the single Beidou short message is 70 bytes and has 560 bits, the 1 st bit to the 4 th bit represent message types, the 5 th bit to the 14 th bit represent the total ship number received by AIS, the 15 th bit to the 544 th bit represent peripheral ship position information corresponding to different message types, the 545 th bit to the 560 th bit represent CRC-16 check codes, and the information is represented by binary; and sending the peripheral ship position information. Compared with the prior art, the method has the advantages of simplicity, practicability, small data redundancy and the like.

Description

Peripheral ship position information communication method and device based on short message and storage medium
Technical Field
The present invention relates to the field of information, and in particular, to a method, an apparatus, and a storage medium for communicating information about a ship location around a ship based on short messages.
Background
The AIS is a short name for an Automatic Identification System (Automatic Identification System) of a ship, and is a digital navigation aid System and equipment realized by a wireless communication technology, a computer technology and the like. The AIS can be matched with a Global Positioning System (GPS) to broadcast ship static data such as ship speed, ship position, course rate and course change and the like dynamically combined with ship static data such as ship names, call signs, draught, dangerous goods and the like to ships and shore stations in nearby water areas through Very High Frequency (VHF) channels, so that the nearby ships and shore stations can master dynamic messages of all ships on nearby sea surfaces in time, and can immediately communicate and coordinate with each other when necessary to take necessary avoidance actions to avoid safety accidents such as ship collision and the like.
According to the AIS transmission protocol specification, a single-channel AIS receiver can transmit 72000 bytes of data at most every minute, and the double-channel AIS receiver can transmit 144000 bytes of data. And the civil Beidou system can only support sending 70-byte short messages in one minute, so that AIS data cannot be directly forwarded through the Beidou short messages.
Disclosure of Invention
The invention aims to provide a peripheral ship position information communication method, a peripheral ship position information communication device and a storage medium based on short messages in order to adapt to the characteristics of short message data transmission, and AIS data are conveniently forwarded through Beidou short messages after being processed.
The purpose of the invention can be realized by the following technical scheme:
a peripheral ship position information communication method based on short messages comprises the following steps:
acquiring and storing AIS related data;
peripheral ship position information in a Beidou short message form is created according to the data, wherein one piece of peripheral ship position information is represented by a single Beidou short message, the single Beidou short message is 70 bytes and has 560 bits, the 1 st bit to the 4 th bit represent message types, the 5 th bit to the 14 th bit represent the total ship number received by the AIS, the 15 th bit to the 544 th bit represent peripheral ship position information corresponding to different message types, the 545 th bit to the 560 th bit represent CRC-16 check codes, and the information is represented by binary systems;
and sending the peripheral ship position information.
And when the message type is defined as 0001, the corresponding single Beidou short message is a global ship situation message.
The 15 th to 16 th bits and the 529 th to 544 th bits of the single big dipper short message represent reserved bits, the 17 th to 528 th bits are averagely divided into 8 sections, the length of each section is 64 bits, and the position information of peripheral ships in 8 directions including north, northeast, east, southeast, south, southwest, west and northwest is represented in sequence.
Each section of 64-bit information is divided into:
1 st to 4 th: representing the number of vessels within 0-0.1 nautical miles from the AIS receiver, wherein 1111 represents 15 or more;
5 th to 8 th: representing the number of vessels within 0.1-0.3 nautical miles from the AIS receiver, wherein 1111 represents 15 or more;
9 th to 12 th: representing the number of vessels within 0.3-0.5 nautical miles from the AIS receiver, wherein 1111 represents 15 or more;
13 th to 16 th: representing the number of vessels within 0.5-1 nautical miles from the AIS receiver, wherein 1111 represents 15 or more;
17 th to 20 th: representing the number of vessels within 1-3 nautical miles from the AIS receiver, wherein 1111 represents 15 and more;
21 st to 24 th: indicating the number of vessels 3 nautical miles and beyond from the AIS receiver, wherein 1111 represents 15 or more;
25 th to 54 th: indicating the MMSI of the ship closest to the AIS receiver;
55 th to 58 th: indicating the sailing state of the ship closest to the AIS receiver;
59 th to 61 st: represents the rounding of the sailing speed of the ship closest to the AIS receiver, wherein 111 represents the sailing speed of 7 knots and above;
62 nd to 64 th: representing the actual heading of the vessel closest to the AIS receiver, with 000 to 111 representing north, northeast, east, southeast, south, southwest, west, and northwest, respectively.
And when the message type is defined as 0010, the corresponding single Beidou short message is the first 12 ship messages closest to the AIS receiver.
The 15 th bit to the 16 th bit of the single Beidou short message represent reserved bits, the 17 th bit to the 544 th bit are averagely divided into 12 sections, the length of each section is 44 bits, and the related information of the 1 st ship to the 12 th ship is sequentially represented.
Each segment of 44-bit information is divided into:
1 st to 30 th: represents the MMSI of the ship;
31 st to 33 th: the distance between a ship and an AIS receiver is represented, wherein 000 represents 0-0.01 nautical miles, 001 represents 0.01-0.05 nautical miles, 010 represents 0.05-0.1 nautical miles, 011 represents 0.1-0.5 nautical miles, 100 represents 0.5-1 nautical miles, 101 represents 1-1.5 nautical miles, 110 represents 1.5-2 nautical miles, and 111 represents more than 2 nautical miles;
34 th to 36 th: representing the actual heading of the ship, wherein 000 to 111 represent north, northeast, east, southeast, south, southwest, west, and northwest, respectively;
37 th to 40 th: represents the rounding of the sailing speed of the ship, wherein 1111 represents the sailing speed of 15 knots and above;
41 st to 44 th: indicating the sailing state of the ship.
The reserved bit quantity of the 15 th bit to the 544 th bit of the single Beidou short message is set according to actual needs.
A peripheral ship position information communication device based on short messages comprises a memory, a processor and a program stored in the memory, and is characterized in that the processor executes the program to realize the method.
A storage medium having a program stored thereon, wherein the program, when executed, implements the method as described above.
Compared with the prior art, the invention has the following beneficial effects:
(1) the invention provides a peripheral ship position information communication method based on Beidou short messages, and solves the problem that AIS data cannot be directly forwarded through the Beidou short messages.
(2) The invention can select different message types according to actual requirements to transmit the ship position information with emphasis, and can fully utilize the limited single message capacity.
(3) The user can customize the message types of other formats according to actual requirements, and the method has wide applicability and practicability.
(4) The invention uses 560 bits of data and has small data redundancy.
Drawings
FIG. 1 is a message bitmap of the present invention;
FIG. 2 is a message bitmap of a global vessel situation message;
FIG. 3 is a message bitmap of the first 12 pieces of ship information closest to the AIS receiver;
FIG. 4 is an example of a message bitmap for a global ship situation message;
fig. 5 is a message bitmap example of the first 12 pieces of ship information closest to the AIS receiver.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments. The present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
A peripheral ship position information communication method based on short messages comprises the following steps:
acquiring and storing AIS related data;
peripheral ship position information in a Beidou short message form is created according to the data, wherein one piece of peripheral ship position information is represented by a single Beidou short message, the single Beidou short message is 70 bytes and has 560 bits, the 1 st bit to the 4 th bit represent message types, the 5 th bit to the 14 th bit represent the total ship number received by the AIS, the 15 th bit to the 544 th bit represent peripheral ship position information corresponding to different message types, the 545 th bit to the 560 th bit represent CRC-16 check codes, and the information is represented by binary systems;
and sending the peripheral ship position information.
At most 16 different message types and their corresponding boat position information can be defined in this embodiment.
When the message type is defined as 0001, the corresponding single Beidou short message is a global ship situation message, and a message bitmap is shown in FIG. 2.
The 15 th to 16 th bits and the 529 th to 544 th bits of the single big dipper short message represent reserved bits, the 17 th to 528 th bits are averagely divided into 8 sections, the length of each section is 64 bits, and the position information of peripheral ships in 8 directions including north, northeast, east, southeast, south, southwest, west and northwest is represented in sequence.
Each segment of 64-bit information is divided into:
1 st to 4 th: representing the number of vessels within 0-0.1 nautical miles from the AIS receiver, wherein 1111 represents 15 or more;
5 th to 8 th: representing the number of vessels within 0.1-0.3 nautical miles from the AIS receiver, wherein 1111 represents 15 or more;
9 th to 12 th: representing the number of vessels within 0.3-0.5 nautical miles from the AIS receiver, wherein 1111 represents 15 or more;
13 th to 16 th: representing the number of vessels within 0.5-1 nautical miles from the AIS receiver, wherein 1111 represents 15 and more;
17 th to 20 th: representing the number of vessels within 1-3 nautical miles from the AIS receiver, wherein 1111 represents 15 or more;
21 st to 24 th: indicating the number of vessels 3 nautical miles and beyond from the AIS receiver, wherein 1111 represents 15 or more;
25 th to 54 th: indicating the MMSI of the ship closest to the AIS receiver;
55 th to 58 th: indicating the sailing state of the ship closest to the AIS receiver;
59 th to 61 st: represents that the sailing speed of the ship closest to the AIS receiver is rounded, wherein 111 represents the sailing speed of 7 knots and above;
62 nd to 64 th: representing the actual heading of the vessel closest to the AIS receiver, with 000 to 111 representing north, northeast, east, southeast, south, southwest, west, and northwest, respectively.
A specific message bit diagram is shown in fig. 4, for example, the AIS in this message observes 180 AIS targets in total, and the specific information is shown in the following table.
Figure BDA0003642599140000051
Wherein, the navigation state is "0" to indicate that the state is "underway", and the definition is consistent with the AIS specification.
When the message type is defined as 0010, the corresponding single Beidou short message is the first 12 ship messages closest to the AIS receiver, and a message bitmap is shown in FIG. 2.
The 15 th bit to the 16 th bit of the single Beidou short message represent reserved bits, the 17 th bit to the 544 th bit are averagely divided into 12 sections, the length of each section is 44 bits, and the related information of the 1 st ship to the 12 th ship is sequentially represented.
Each segment of 44-bit information is divided into:
1 st to 30 th: represents the MMSI of the ship;
31 st to 33 th: the distance between a ship and an AIS receiver is represented, wherein 000 represents 0-0.01 nautical miles, 001 represents 0.01-0.05 nautical miles, 010 represents 0.05-0.1 nautical miles, 011 represents 0.1-0.5 nautical miles, 100 represents 0.5-1 nautical miles, 101 represents 1-1.5 nautical miles, 110 represents 1.5-2 nautical miles, and 111 represents more than 2 nautical miles;
34 th to 36 th: representing the actual heading of the ship, wherein 000 to 111 represent north, northeast, east, southeast, south, southwest, west, and northwest, respectively;
37 th to 40 th: represents the rounding of the sailing speed of the ship, wherein 1111 represents the sailing speed of 15 knots and above;
41 st to 44 th: indicating the sailing state of the ship.
One specific message bit diagram is shown in fig. 5, for example, the AIS in this message totals 20 AIS targets observed, and the specific information is shown in the following table.
Number of ships MMSI Distance between two adjacent plates Direction Speed of travel Navigation state
Ship
1 990000001 0.01 to 0.05 nautical miles Western medicine 11 section 0
Ship 2 990000002 0.01 to 0.05 nautical miles Northeast 2 section (C) 0
Ship 3 990000003 0.01 to 0.05 nautical miles Northeast Section 3 0
Ship 4 990000004 0.01 to 0.05 nautical miles Western medicine 8 section 0
Ship 5 990000005 0.05 to 0.1 nautical miles Southwest 12 section 0
Ship 6 990000006 0.05 to 0.1 nautical miles Northwest of China 11 section 0
Ship 7 990000007 0.05 to 0.1 nautical miles East 6 section 0
Ship 8 990000008 0.1 to 0.5 nautical miles Southeast China 7 section (B) 0
Ship 9 990000009 0.1 to 0.5 nautical miles Western medicine 9 section 0
Ship 10 990000010 0.5 to 1 haili Southwest 8 section 0
Ship 11 990000011 1.5 to 2 nautical miles North China 15 or more nodes 0
Ship 12 990000012 2 nautical miles and above Northeast 9 section 0
Wherein, the navigation state is "0" to indicate that the state is "underway", and the definition is consistent with the AIS specification.
The reserved bit quantity of the 15 th bit to the 544 th bit of the single Beidou short message can be set by a user through self-defining data so as to meet the requirements of different message types.
The above functions, if implemented in the form of software functional units and sold or used as a separate product, may be stored in a computer-readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.

Claims (10)

1. A peripheral ship position information communication method based on short messages is characterized by comprising the following steps:
acquiring and storing AIS related data;
peripheral ship position information in a Beidou short message form is created according to the data, wherein one piece of peripheral ship position information is represented by a single Beidou short message, the single Beidou short message is 70 bytes and has 560 bits, the 1 st bit to the 4 th bit represent message types, the 5 th bit to the 14 th bit represent the total ship number received by the AIS, the 15 th bit to the 544 th bit represent peripheral ship position information corresponding to different message types, the 545 th bit to the 560 th bit represent CRC-16 check codes, and the information is represented by binary systems;
and sending the peripheral ship position information.
2. The peripheral ship position information communication method based on the short message according to claim 1, wherein when the message type is defined as 0001, the corresponding single Beidou short message is a global ship situation message.
3. The short message-based peripheral ship position information communication method according to claim 2, wherein the single big dipper short message is divided into 8 segments on average from the 15 th bit to the 16 th bit, from the 529 th bit to the 544 th bit, each segment is 64 bits, and the segments sequentially represent peripheral ship position information in 8 directions of north, northeast, east, southeast, south, southwest, west, and northwest.
4. The method according to claim 3, wherein each 64-bit message is divided into:
1 st to 4 th: representing the number of vessels within 0-0.1 nautical miles from the AIS receiver, wherein 1111 represents 15 or more;
5 th to 8 th: representing the number of vessels within 0.1-0.3 nautical miles from the AIS receiver, wherein 1111 represents 15 or more;
9 th to 12 th: representing the number of vessels within 0.3-0.5 nautical miles from the AIS receiver, wherein 1111 represents 15 or more;
13 th to 16 th: representing the number of vessels within 0.5-1 nautical miles from the AIS receiver, wherein 1111 represents 15 or more;
17 th to 20 th: representing the number of vessels within 1-3 nautical miles from the AIS receiver, wherein 1111 represents 15 or more;
21 st to 24 th: indicating the number of vessels 3 nautical miles and beyond from the AIS receiver, wherein 1111 represents 15 or more;
25 th to 54 th: indicating the MMSI of the ship closest to the AIS receiver;
55 th to 58 th: indicating the sailing state of the ship closest to the AIS receiver;
59 th to 61 st: represents the rounding of the sailing speed of the ship closest to the AIS receiver, wherein 111 represents the sailing speed of 7 knots and above;
62 nd to 64 th: representing the actual heading of the vessel closest to the AIS receiver, with 000 to 111 representing north, northeast, east, southeast, south, southwest, west, and northwest, respectively.
5. The peripheral ship position information communication method based on the short message according to claim 1, wherein when the message type is defined as 0010, the corresponding single big dipper short message is the first 12 ship information closest to the AIS receiver.
6. The peripheral ship position information communication method based on the short message according to claim 5, wherein the 15 th to 16 th bits of the single big dipper short message represent reserved bits, the 17 th to 544 th bits are divided into 12 sections on average, each section is 44 bits in length, and the related information of the 1 st to 12 th ships is represented in sequence.
7. The method according to claim 6, wherein each segment of 44-bit information is divided into:
1 st to 30 th: represents the MMSI of the ship;
31 st to 33 th: the distance between a ship and an AIS receiver is represented, wherein 000 represents 0-0.01 nautical miles, 001 represents 0.01-0.05 nautical miles, 010 represents 0.05-0.1 nautical miles, 011 represents 0.1-0.5 nautical miles, 100 represents 0.5-1 nautical miles, 101 represents 1-1.5 nautical miles, 110 represents 1.5-2 nautical miles, and 111 represents more than 2 nautical miles;
34 th to 36 th: representing the actual heading of the ship, wherein 000 to 111 represent north, northeast, east, southeast, south, southwest, west, and northwest, respectively;
37 th to 40 th: represents the rounding of the sailing speed of the ship, wherein 1111 represents the sailing speed of 15 knots and above;
41 st to 44 th: indicating the sailing state of the ship.
8. The peripheral ship position information communication method based on the short message according to claim 1, wherein the reserved bit quantity in the 15 th bit to the 544 th bit of the single big dipper short message is set according to actual needs.
9. A short message based peripheral ship position information communication device comprising a memory, a processor, and a program stored in the memory, wherein the processor executes the program to implement the method according to any one of claims 1 to 8.
10. A storage medium having a program stored thereon, wherein the program, when executed, implements the method of any of claims 1-8.
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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101329180A (en) * 2008-08-01 2008-12-24 北京北斗星通导航技术股份有限公司 Double-module shipborne terminal based on big dipper satellite navigation system positioning communication
CN102318379A (en) * 2011-05-30 2012-01-11 华为终端有限公司 Method and device for short message processing
CN104333850A (en) * 2014-09-25 2015-02-04 北京华力创通科技股份有限公司 Short message reading method based on Beidou communication
US20170118608A1 (en) * 2015-10-21 2017-04-27 Leauto Intelligent Technology (BEIJING) Co., Ltd. Remote waking method and system
US20180095156A1 (en) * 2016-07-08 2018-04-05 Daniel A. Katz Single Burst Single Satellite Beacon Localization
CN112039577A (en) * 2020-09-04 2020-12-04 四川汉星航通科技有限公司 AIS system based on big dipper short message
CN113267790A (en) * 2021-06-22 2021-08-17 武汉大学 Satellite orbit clock error correction number coding method based on Beidou global short message communication
CN114234960A (en) * 2021-12-22 2022-03-25 上海坤匙科技集团有限公司 Beidou AIS (automatic identification System) shipborne integrated communication navigation system

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101329180A (en) * 2008-08-01 2008-12-24 北京北斗星通导航技术股份有限公司 Double-module shipborne terminal based on big dipper satellite navigation system positioning communication
CN102318379A (en) * 2011-05-30 2012-01-11 华为终端有限公司 Method and device for short message processing
CN104333850A (en) * 2014-09-25 2015-02-04 北京华力创通科技股份有限公司 Short message reading method based on Beidou communication
US20170118608A1 (en) * 2015-10-21 2017-04-27 Leauto Intelligent Technology (BEIJING) Co., Ltd. Remote waking method and system
US20180095156A1 (en) * 2016-07-08 2018-04-05 Daniel A. Katz Single Burst Single Satellite Beacon Localization
CN112039577A (en) * 2020-09-04 2020-12-04 四川汉星航通科技有限公司 AIS system based on big dipper short message
CN113267790A (en) * 2021-06-22 2021-08-17 武汉大学 Satellite orbit clock error correction number coding method based on Beidou global short message communication
CN114234960A (en) * 2021-12-22 2022-03-25 上海坤匙科技集团有限公司 Beidou AIS (automatic identification System) shipborne integrated communication navigation system

Non-Patent Citations (6)

* Cited by examiner, † Cited by third party
Title
徐娜等: "基于AIS和北斗的数据采集方案研究", 《电脑知识与技术》 *
徐娜等: "基于AIS和北斗的数据采集方案研究", 《电脑知识与技术》, no. 32, 15 November 2014 (2014-11-15), pages 1 - 4 *
李科等: "海上导航信息远程传输监控技术研究与应用", 《海洋测绘》 *
李科等: "海上导航信息远程传输监控技术研究与应用", 《海洋测绘》, no. 01, 25 January 2013 (2013-01-25) *
蔡君等: "基于北斗传输的AIS信息预处理及差分编码技术", 《船电技术》 *
蔡君等: "基于北斗传输的AIS信息预处理及差分编码技术", 《船电技术》, no. 09, 15 September 2016 (2016-09-15) *

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