CN108599873A - A kind of underwater sound communication tester and test method suitable for external field environment - Google Patents
A kind of underwater sound communication tester and test method suitable for external field environment Download PDFInfo
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- CN108599873A CN108599873A CN201810306680.8A CN201810306680A CN108599873A CN 108599873 A CN108599873 A CN 108599873A CN 201810306680 A CN201810306680 A CN 201810306680A CN 108599873 A CN108599873 A CN 108599873A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B11/00—Transmission systems employing sonic, ultrasonic or infrasonic waves
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B13/00—Transmission systems characterised by the medium used for transmission, not provided for in groups H04B3/00 - H04B11/00
- H04B13/02—Transmission systems in which the medium consists of the earth or a large mass of water thereon, e.g. earth telegraphy
Abstract
The present invention relates to a kind of test equipments and test method of the underwater sound Modem communication performances for field testing, objective and accurate measurement can be carried out to tested underwater sound Modem performances under external field environment from third-party angle by the equipment, the problem for avoiding test result objectivity deficiency present in the mode commonly tested self performance based on equipment under test itself, has filled up technological gap.The test equipment can complete the test to communication bit error rates, message transmission rate, propagation delay time, communication distance index during field trial, comprehensive test of the completion to the reliability and validity of underwater sound Modem can try in outfield lake, real-time, objectively test and evaluation underwater acoustic communication set performance on the spot is tried in the process in sea.
Description
Technical field
It is specially a kind of to test the underwater sound for field trials such as lake examination, sea examinations the invention belongs to technical field of underwater acoustic communication
The test equipment and test method of Modem (also known as underwater acoustic communication set) communication performance, suitable for various types and various connecing
The underwater acoustic communication equipment of mouth is tested for the property.
Background technology
Ocean accounts for about the 71% of earth surface product, and the space of mankind's activity is gradually extended from land to ocean, 21 century
It is referred to as the century of ocean.Ocean is richly stored with mineral products and the stock of fish, while being also the blue bridge in the connection world of China
Beam and important portal, therefore ocean is developed with important political significance, civilian value and military value.Either seabed resources
Exploration or the navigation of submarine or submarine navigation device, they are required for, and there are one reliable underwater sound communication networks to carry out communication control.
Underwater sound Modem is the communication node of underwater sound communication network, and the space for being distributed in network everywhere, cooperates between each node, is used for
Complete the transmitting-receiving of data.
The performance of underwater sound Modem influences the communication quality of underwater sound communication network very big.It is marine environment ten on one side
Divide complexity, and the moment varies, this complexity is mainly manifested on multipath transmisstion and Doppler effect；On the other hand it is the underwater sound
The problem of Modem itself is designed, design scheme and the specific communication technology can all influence its communicativeness used by underwater sound Modem
Energy.
The performance indicator for weighing a underwater sound Modem mainly has communication bit error rates, message transmission rate, communication distance etc..
Currently, rarely having the report of the special equipment for underwater sound communication performance test, it is common practice to which one section of transmitting terminal transmission is specific
Data, receiving terminal calculates the performance indicators such as the bit error rate on the basis of its is decoded, is completed to underwater sound Modem communicativeness with this
The test of energy.However, test result is realized and provided to this test method by tested Modem, based on being devices under
There is objectivity deficiency to the test and evaluation of self performance in itself.And on the other hand, domestic and international underwater sound Modem is current
All it is customization, internal circuit, coding and standard are all different.Therefore by a third party device to being tested the underwater sound
Modem performances, which carry out objective and accurate measurement, to be just particularly important.
The major function of underwater sound Modem is to use the transmitting-receiving of the complete paired data of acoustical signal under water.Examination or sea examination in outfield lake
When, test equipment will in real time, accurately, objectively test the performance of underwater sound Modem on the spot.Meanwhile test equipment tests the underwater sound
The communication performance of Modem, cannot be served only for the performance test of certain a kind of underwater sound Modem, and be suitable for all or most
Underwater sound Modem.In test equipment designs, design interface circuit part, provides multiple interfaces for different underwater sound Modem
Connection.
Invention content
Technical problems to be solved
For currently without the test equipment tested for underwater sound Modem communication performances, and existing it is based on Devices to test
Itself has that objectivity is insufficient to the test and evaluation of self performance, and the present invention devises a kind of for field testing
The test equipment and test method of underwater sound Modem communication performances, can be from third-party angle under external field environment by the equipment
Objective and accurate measurement is carried out to tested underwater sound Modem performances.
Technical solution
A kind of underwater sound communication tester suitable for external field environment, it is characterised in that including in man-machine display control module, control
It the heart, cycle tests generator, Performance Evaluation and computing unit, radio frequency transmission module, interface circuit, positioning and time service module and deposits
Store up module；
Man-machine display control module：Tester can pass through the operating mode of aobvious control screen selection test equipment, selection test sequence
Row start test process, watch test data；Cycle tests can select the default cycle tests in equipment memory module, or
Cycle tests is directly inputted by aobvious control screen by tester；
Control centre：It is responsible for the control management of equipment operating mode, responds man-machine display control module, control cycle tests generates
Device, Performance Evaluation and computing unit, radio frequency transmission module, interface circuit, positioning and time service module, memory module；
Cycle tests generator：The cycle tests of specific electrical signal form is generated according to the order of control centre；
Memory module：Storage is for the cycle tests of test, test result, equipment performance log；
Positioning and time service module：The positioning to test equipment and unified time service are completed using GPS technology, obtains test equipment
Real-time location information and clock information；
Interface circuit：Provide multiple types interface, interface unit need to complete the selection of all kinds of input/output interfaces,
Conversion process, it is ensured that the signal source that test equipment provides is adapted to the characteristic of various tested underwater sound Modem equipment interfaces；
Radio frequency transmission module：Complete cycle tests and test between two sets of test equipments of T patterns and R patterns in test process
Parameter is aerial to be transmitted and interacts；In T pattern test equipments, radio frequency transmission module generates cycle tests generator
Cycle tests and related test parameters electric signal are converted into radiofrequency signal, and are sent to R pattern test equipments by radio communication；
The radiofrequency signal received is converted into electric signal by R patterns test equipment, is sent to Performance Evaluation and computing unit, and test is completed
Test result is sent to T pattern test equipments by radio frequency transmission module afterwards；
Performance Evaluation and computing unit：The survey that the Serial No. that interface circuit is sended over is received with radio frequency transmission module
Examination sequence compares and analyzes, and calculates the communication bit error rates for providing tested underwater sound Modem, and the time obtained and positioning is combined to believe
Breath, provides message transmission rate, propagation delay time, communication distance.
A kind of underwater sound communication test method of external field environment, by transmitting-receiving underwater sound Modem to be measured, cloth is put into and pre-sets respectively
Good depth and distance, two sets of test equipments are connected with cable with two underwater sound Modem to be measured respectively and cloth be placed on its water surface with
On surface, under water, wherein Modem T are transmitting terminals to the underwater sound Modem T and Modem R to be measured arrangement, and Modem R are to connect
Receiving end；It is characterized in that steps are as follows：Wherein step 1~5 are in T pattern test equipments, and step 6~8 are set in the test of R patterns
It is standby；
Step 1：Select cycle tests can be first to input other cycle tests by the aobvious control screen of man-machine display control module
The specifying information for shielding input test sequence by aobvious control preserves in a storage module, reselection cycle tests；
Step 2：Control centre selects the cycle tests corresponding to step 1 from memory module, gives cycle tests generation
Device, while by positioning the position of T pattern test equipments and currently transmitted temporal information are obtained with time service module；
Step 3：Cycle tests generator generates the cycle tests of electrical signal form, gives cycle tests to Modem respectively
T and radio frequency transmission module；
Step 4：Electrical signal form cycle tests is converted into underwater sound signal and is sent to Modem R by Modem T；Radio frequency transmission
Cycle tests and position, temporal information are converted into the radio frequency transmission module that radiofrequency signal is sent to R pattern test equipments by module；
Step 5：Test result from radio frequency transmission module is shown by man-machine display control module；
Step 6：The radio frequency transmission module of R pattern test equipments receives the test sequence that T pattern test equipments send over
Row, sending time and transmission location information, are then sent to Performance Evaluation and computing unit；It will be tested from interface circuit
The decoded data of Modem R are sent to Performance Evaluation and computing unit；
Step 7：Performance Evaluation, according to the data and parameter received, is analyzed and is calculated by comparing with computing unit
The test result of tested underwater sound Modem, specifically includes communication bit error rates, message transmission rate, propagation delay time, communication distance；
Step 8：Test result is issued into T pattern test equipments by radio frequency transmission module；It is man-machine using this equipment simultaneously
Display control module is to tester's feedback test result.
Advantageous effect
The present invention devises a kind of test equipment and test method of the underwater sound Modem communication performances for field testing,
Objective and accurate measurement can be carried out to tested underwater sound Modem performances under external field environment from third-party angle by the equipment,
Avoid test result objectivity present in the mode commonly tested self performance based on equipment under test itself not
The problem of foot, has filled up technological gap.The test equipment can be completed to pass communication bit error rates, data during field trial
Comprehensive test to the reliability and validity of underwater sound Modem is completed in the test of defeated rate, propagation delay time, communication distance index,
It can be tried in outfield lake, real-time, objectively test and evaluation underwater acoustic communication set performance on the spot is tried in the process in sea.
Description of the drawings
Fig. 1 underwater sound communication tester equipment composition frame charts
Fig. 2 field trial method hardware connection diagrams
Fig. 3 field trial test flow charts
Specific implementation mode
In conjunction with embodiment, attached drawing, the invention will be further described：
The present invention devises the test equipment of a underwater sound Modem communication performance for field testing (hereinafter referred to as
Test equipment) and test method.Test equipment can complete communication bit error rates, the number to underwater sound Modem to be measured in field trial
According to the test of transmission rate, propagation delay time, communication distance performance indicator, can complete to the reliability of underwater sound Modem and effectively
Property it is comprehensive test and objective evaluation.There are two types of operating modes for test equipment tool：It sends test pattern (T) and receives test pattern
(R).One complete test process needs two sets of test equipments for being respectively placed in T, R pattern.Often set test equipment is by man-machine aobvious
Control module, control centre, cycle tests generator, Performance Evaluation and computing unit, radio frequency transmission module, interface circuit, positioning
It is formed with time service module, memory module, equipment composition is as shown in Figure 1.
The concrete function of each module is as follows：
Man-machine display control module：Tester can pass through the operating mode of aobvious control screen selection test equipment, selection test sequence
Row start test process, watch test data.Cycle tests can select the default cycle tests in equipment memory module, or
Cycle tests is directly inputted by aobvious control screen by tester.
Control centre：It is responsible for the control management of equipment operating mode, responds man-machine display control module, control cycle tests generates
Device, Performance Evaluation and computing unit, radio frequency transmission module, interface circuit, positioning and time service module, memory module.
Cycle tests generator：The cycle tests of specific electrical signal form is generated according to the order of control centre.
Memory module：The contents such as cycle tests, test result, equipment performance log of the storage for test.
Positioning and time service module：The positioning to test equipment and unified time service are completed using GPS technology, obtains test equipment
Real-time location information and clock information.
Interface circuit：Provide multiple types interface, interface unit need to complete the selection of all kinds of input/output interfaces,
Conversion process, it is ensured that the signal source that test equipment provides is adapted to the characteristic of various tested underwater sound Modem equipment interfaces.
Radio frequency transmission module：Complete cycle tests and test between two sets of test equipments of T patterns and R patterns in test process
Parameter is aerial to be transmitted and interacts.In T pattern test equipments, radio frequency transmission module generates cycle tests generator
Cycle tests and related test parameters electric signal are converted into radiofrequency signal, and are sent to R pattern test equipments by radio communication；
The radiofrequency signal received is converted into electric signal by R patterns test equipment, is sent to Performance Evaluation and computing unit, and test is completed
Test result is sent to T pattern test equipments by radio frequency transmission module afterwards.
Performance Evaluation and computing unit：The survey that the Serial No. that interface circuit is sended over is received with radio frequency transmission module
Examination sequence compares and analyzes, and calculates the communication bit error rates for providing tested underwater sound Modem, and the time obtained and positioning is combined to believe
Breath, provides message transmission rate, propagation delay time, communication distance.
In lake during the field testings such as examination, sea examination, following steps are executed：
(1) by transmitting-receiving underwater sound Modem to be measured, cloth is put into the depth and distance pre-set, two sets of test equipments point respectively
It is not connected with two underwater sound Modem to be measured with cable and cloth is placed on the surface of its water surface or more, as shown in Figure 2.The underwater sound to be measured
Under water, wherein Modem T are transmitting terminals to Modem T and Modem R arrangements, and Modem R are receiving terminals.
(2) tester will be set as T patterns by man-machine display control module with the test equipment of Modem T-phase to be measured even,
The operating mode for the test equipment being connected with Modem R to be measured is arranged to R patterns.
(3) originator tester selects cycle tests by man-machine display control module in T pattern test equipments.
(4) originator tester starts the test process of T pattern test equipments by man-machine display control module, and test equipment is logical
It crosses cable and sends cycle tests to Modem T to be measured, cycle tests is sent in underwater acoustic channel by Modem T, while T patterns
The cycle tests and related test parameters are sent to the test of R patterns by its radio frequency transmission module on the water surface and set by test equipment
It is standby.
(5) R patterns test equipment receives and records the data and its receiving time that Modem R to be measured are decoded, and passes through
Positioning obtains current location information with time service module, and it is received by its radio frequency transmission module on the water cycle tests,
Sending time sends data, receiving time that location information decodes with Modem R, receives location information and compared, logical
The test and assessment of the communication performance that its Performance Evaluation is completed with computing unit to a pair of underwater sound Modem to be measured are crossed, and will test
As a result T pattern test equipments are sent to by radio frequency transmission module.Test result include communication bit error rates, transmission rate, time delay,
Communication distance.
(6) transmitting-receiving two-end tester sees test result by man-machine display control module.
(7) test terminates.
The test process of test equipment is divided into T and R both of which.Before test, tester passes through man-machine aobvious control mould
The operating mode for sending test equipment is arranged to T by block, the operating mode for receiving test equipment is arranged to R, Fig. 3 gives survey
Equipment workflow during examination under both of which.
T pattern test equipment inner workings：
(1) tester selects cycle tests by the aobvious control screen of man-machine display control module.To input other cycle tests,
The specifying information that aobvious control screen input test sequence can be first passed through, preserves in a storage module, reselection cycle tests.
(2) control centre obtains the cycle tests to be generated according to the operation of tester from memory module, gives survey
Sequence generator is tried, while the position of T pattern test equipments and currently transmitted temporal information are obtained with time service module by positioning.
(3) cycle tests generator generate electrical signal form cycle tests, cycle tests is given respectively Modem T and
Radio frequency transmission module.
(4) electrical signal form cycle tests is converted into underwater sound signal and is sent to Modem R by Modem T；Radio frequency transmission mould
Cycle tests and position, temporal information are converted into the radio frequency transmission module that radiofrequency signal is sent to R pattern test equipments by block.
(5) test result from radio frequency transmission module is fed back into tester by man-machine display control module.
R pattern test equipment inner workings：
(1) the radio frequency transmission module of R patterns test equipment receive cycle tests that T pattern test equipments send over,
Sending time and transmission location information, are then sent to Performance Evaluation and computing unit；By the tested Modem from interface circuit
The decoded data of R are sent to Performance Evaluation and computing unit；
(2) Performance Evaluation and computing unit be according to the data and parameter received, by compare analysis and be calculated by
The test result for surveying underwater sound Modem, specifically includes communication bit error rates, message transmission rate, propagation delay time, communication distance；
(3) test result is issued by T pattern test equipments by radio frequency transmission module；The man-machine aobvious control of this equipment is utilized simultaneously
Module is to tester's feedback test result.
During the test, performance test simple operation of the test equipment to underwater sound Modem is set by above-mentioned two sets of tests
Standby joint test, test equipment can obtain tested underwater sound Modem communication performances, complete to the underwater sound in real time, objectively on the spot
Comprehensive test of the reliability and validity of Modem and objective evaluation.
Claims (2)
1. a kind of underwater sound communication tester suitable for external field environment, it is characterised in that including man-machine display control module, control centre,
Cycle tests generator, Performance Evaluation and computing unit, radio frequency transmission module, interface circuit, positioning and time service module and storage
Module；
Man-machine display control module：Tester can be selected cycle tests, opened by the operating mode of aobvious control screen selection test equipment
Dynamic test process, watches test data；Cycle tests can select the default cycle tests in equipment memory module, or by testing
Personnel directly input cycle tests by aobvious control screen；
Control centre：It is responsible for the control management of equipment operating mode, responds man-machine display control module, control cycle tests generator,
Performance Evaluation and computing unit, radio frequency transmission module, interface circuit, positioning and time service module, memory module；
Cycle tests generator：The cycle tests of specific electrical signal form is generated according to the order of control centre；
Memory module：Storage is for the cycle tests of test, test result, equipment performance log；
Positioning and time service module：The positioning to test equipment and unified time service are completed using GPS technology, it is real-time to obtain test equipment
Location information and clock information；
Interface circuit：Multiple types interface is provided, interface unit needs to complete the selection of all kinds of input/output interfaces, conversion
Processing, it is ensured that the signal source that test equipment provides is adapted to the characteristic of various tested underwater sound Modem equipment interfaces；
Radio frequency transmission module：Complete in test process cycle tests and test parameter between two sets of test equipments of T patterns and R patterns
It is aerial to transmit and interact；In T pattern test equipments, test that radio frequency transmission module generates cycle tests generator
Sequence and related test parameters electric signal are converted into radiofrequency signal, and are sent to R pattern test equipments by radio communication；R moulds
The radiofrequency signal received is converted into electric signal by formula test equipment, Performance Evaluation and computing unit is sent to, after the completion of test
Test result is sent to T pattern test equipments by radio frequency transmission module；
Performance Evaluation and computing unit：The test sequence that the Serial No. that interface circuit is sended over is received with radio frequency transmission module
Row compare and analyze, and calculate the communication bit error rates for providing tested underwater sound Modem, and combine the time obtained and location information,
Provide message transmission rate, propagation delay time, communication distance.
2. a kind of test method carried out to outfield ambient water sound communication using tester described in claim 1, by receipts to be measured
Cloth is put into the depth and distance pre-set to shampoo sound Modem respectively, and two sets of test equipments are to be measured with cable and two respectively
The connected simultaneously cloth of underwater sound Modem is placed on the surface of its water surface or more, and the underwater sound Modem T and Modem R to be measured is arranged under water,
Middle Modem T are transmitting terminals, and Modem R are receiving terminals；It is characterized in that steps are as follows：Wherein step 1~5 are surveyed in T patterns
Equipment is tried, step 6~8 are in R pattern test equipments；
Step 1：Select cycle tests that can be first passed through to input other cycle tests by the aobvious control screen of man-machine display control module
The specifying information of aobvious control screen input test sequence, preserves in a storage module, reselection cycle tests；
Step 2：Control centre selects the cycle tests corresponding to step 1 from memory module, gives cycle tests generator, together
When by position with time service module obtain T pattern test equipments position and currently transmitted temporal information；
Step 3：Cycle tests generator generate electrical signal form cycle tests, cycle tests is given respectively Modem T and
Radio frequency transmission module；
Step 4：Electrical signal form cycle tests is converted into underwater sound signal and is sent to Modem R by Modem T；Radio frequency transmission module
Cycle tests and position, temporal information are converted into the radio frequency transmission module that radiofrequency signal is sent to R pattern test equipments；
Step 5：Test result from radio frequency transmission module is shown by man-machine display control module；
Step 6：The radio frequency transmission module of R pattern test equipments receives cycle tests, the hair that T pattern test equipments send over
It send the time and sends location information, be then sent to Performance Evaluation and computing unit；By the tested Modem R from interface circuit
Decoded data are sent to Performance Evaluation and computing unit；
Step 7：Performance Evaluation, according to the data and parameter received, is analyzed and is calculated tested by comparing with computing unit
The test result of underwater sound Modem specifically includes communication bit error rates, message transmission rate, propagation delay time, communication distance；
Step 8：Test result is issued into T pattern test equipments by radio frequency transmission module；The man-machine aobvious control of this equipment is utilized simultaneously
Module is to tester's feedback test result.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810306680.8A CN108599873B (en) | 2018-04-08 | 2018-04-08 | A kind of underwater sound communication tester and test method suitable for external field environment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810306680.8A CN108599873B (en) | 2018-04-08 | 2018-04-08 | A kind of underwater sound communication tester and test method suitable for external field environment |
Publications (2)
| Publication Number | Publication Date |
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| CN108599873A true CN108599873A (en) | 2018-09-28 |
| CN108599873B CN108599873B (en) | 2019-08-09 |
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ID=63621254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102571902A (en) * | 2010-12-14 | 2012-07-11 | 中国科学院声学研究所 | Wireless and underwater sound communication buoy |
| CN107682297A (en) * | 2017-09-06 | 2018-02-09 | 西北工业大学 | A kind of mobile underwater sound communication method |
-
2018
- 2018-04-08 CN CN201810306680.8A patent/CN108599873B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102571902A (en) * | 2010-12-14 | 2012-07-11 | 中国科学院声学研究所 | Wireless and underwater sound communication buoy |
| CN107682297A (en) * | 2017-09-06 | 2018-02-09 | 西北工业大学 | A kind of mobile underwater sound communication method |
Non-Patent Citations (2)
| Title |
|---|
| 周琳等: ""水声通信半物理仿真平台设计与应用"", 《中国海洋大学学报》 * |
| 胡安平等: ""水声测距通信一体化技术分析及试验"", 《电讯技术》 * |
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