CN111442828B - Real-time online sensing system for vibration of communication optical cable in communication engineering construction - Google Patents
Real-time online sensing system for vibration of communication optical cable in communication engineering construction Download PDFInfo
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- CN111442828B CN111442828B CN202010309338.0A CN202010309338A CN111442828B CN 111442828 B CN111442828 B CN 111442828B CN 202010309338 A CN202010309338 A CN 202010309338A CN 111442828 B CN111442828 B CN 111442828B
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- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H9/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means
- G01H9/004—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means using fibre optic sensors
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Abstract
The invention discloses a real-time online sensing system for vibration of a communication optical cable in communication engineering construction, which comprises a sensing signal acquisition layer, an optical fiber output layer and a monitoring layer, wherein the output end of the sensing signal acquisition layer is connected with the input end of the optical fiber output layer, the output end of the optical fiber output layer is connected with the input end of the monitoring layer, the sensing signal acquisition layer comprises an optical modulation demodulator, a sensing optical fiber, an analog signal generation unit, an optical receiving module and an analog signal output unit, and the invention relates to the technical field of optical cable monitoring. The real-time online sensing system for the vibration of the communication optical cable for the communication engineering construction sends out high-power narrow-linewidth light pulses, high-speed multipoint sampling is carried out on backward Rayleigh scattering light interference signals, the collected data are sent to a computer for further analysis, whether an external force damage event occurs or not can be determined by the system according to an analysis result, real-time sensing can be carried out on vibration information quickly, and the accuracy is high.
Description
Technical Field
The invention relates to the technical field of optical cable monitoring, in particular to a real-time online sensing system for communication optical cable vibration in communication engineering construction.
Background
Under the information condition, optical cable communication is an important means of secret unit communication, China has rapidly developed in the aspect of the construction of a wire communication network system after years of construction, a multi-routing and large-capacity trunk network which mainly uses a land optical cable and assists a sea optical cable and longitudinally penetrates through north and south and across east and west is built, a high-quality communication channel is provided for secret unit information transmission, and a basic communication guarantee is provided for national security construction.
The three reasons for influencing the communication optical cable basically include the human, natural and optical cable self reasons, the human influence factor relates to the action of intentionally or unintentionally causing optical cable fault, the intentional destructive action mainly causes the malicious theft of the optical cable by criminals or other actions of destroying the optical cable to obstruct the normal communication of the optical cable, the action of unintentionally causing the damage of the communication optical cable generally refers to that when partial engineering is built, the communication optical cable is not well protected or the underground communication optical cable exists, so that the construction of the organizational project finally destroys the cable, so that the communication is interrupted, secondly, because of the development requirement of economic construction, many projects cannot be avoided, therefore, the negative influence is inevitably formed on the original optical fiber channel, and finally, because many optical cable lines are basically laid and used for a long time, the original related maintenance information material is difficult to be completely stored, basically, certain defects exist, so that the troubleshooting difficulty is greatly increased, the timeliness of maintenance is greatly reduced, and the adverse effect is certainly formed in the past.
When the existing construction communication optical cable vibration real-time online sensing system carries out vibration sampling, alarm signals are often omitted, multi-line vibration information scanning cannot be completed in a short time, and the system cannot become real-time monitoring equipment.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a communication optical cable vibration real-time online sensing system for communication engineering construction, which solves the problems that an alarm signal is often omitted, multi-line vibration information scanning cannot be completed in a short time, and the system cannot become real-time monitoring equipment.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a real-time online sensing system for vibration of a communication optical cable in communication engineering construction comprises a sensing signal acquisition layer, an optical fiber output layer and a monitoring layer, wherein the output end of the sensing signal acquisition layer is connected with the input end of the optical fiber output layer, the output end of the optical fiber output layer is connected with the input end of the monitoring layer, the sensing signal acquisition layer comprises an optical modulation demodulator, a sensing optical fiber, an analog signal generation unit, an optical receiving module, an analog signal output unit, a signal amplification end, a first optical wavelength distinguishing unit, a synchronous signal acquisition device, a multiplexer, a signal coprocessor and a signal sending end, the optical modulation demodulator is in bidirectional connection with the sensing optical fiber, the output end of the sensing optical fiber is connected with the input end of the optical receiving module, the output end of the optical receiving module is connected with the input end of the signal amplification end, and the output end of the signal amplification end is connected with the input end of the synchronous signal acquisition device, the output end of the synchronous signal collector is connected with the input end of the signal coprocessor, the output end of the signal coprocessor is connected with the input end of the first optical wavelength distinguishing unit, the output end of the first optical wavelength distinguishing unit is connected with the input end of the multiplexer, and the output end of the multiplexer is connected with the input end of the signal sending end.
Preferably, the output end of the analog signal generating unit is connected to the input ends of the analog signal output unit and the optical receiving module, the output end of the analog signal output unit is connected to the input end of the optical fiber output layer, and the output end of the signal transmitting end is connected to the input end of the optical fiber output layer.
Preferably, the monitoring layer includes a signal receiving end, an analog signal separation unit, a demultiplexer, a second optical wavelength separation unit, an analog signal comparison unit, an error reporting unit and a monitoring system, an output end of the signal receiving end is connected with input ends of the analog signal separation unit and the demultiplexer respectively, an output end of the analog signal separation unit is connected with an input end of the analog signal comparison unit, and an output end of the analog signal comparison unit is connected with an input end of the error reporting unit.
Preferably, an output end of the demultiplexer is connected to an input end of a second optical wavelength distinguishing unit, and an output end of the second optical wavelength distinguishing unit is connected to an input end of the monitoring system.
Preferably, the output end of the optical fiber output layer is connected with the input end of the signal receiving end.
Preferably, the analog signal generating unit includes an analog signal editing module, an analog signal generating module, an analog signal marking module and an analog signal converting module, an output end of the analog signal editing module is connected with an input end of the analog signal generating unit, an output end of the analog signal generating module is connected with an input end of the analog signal marking module, and an output end of the analog signal marking module is connected with an input end of the analog signal converting module.
Preferably, the analog signal separation unit includes an analog signal mark recognition module, an unconverted analog signal extraction module, a converted analog signal extraction module and an analog signal storage module, an output end of the analog signal mark recognition module is connected with input ends of the unconverted analog signal extraction module and the converted analog signal extraction module respectively, and output ends of the unconverted analog signal extraction module and the converted analog signal extraction module are connected with an input end of the analog signal storage module.
Preferably, the analog signal comparison unit includes an analog signal comparison module, an analog signal superposition module and an analog signal error rate measurement module, an output end of the analog signal comparison module is connected with an input end of the analog signal superposition module, and an output end of the analog signal superposition module is connected with an input end of the analog signal error rate measurement module.
Preferably, the error reporting unit comprises an error judging module, a warning module, an infinite transceiving module and an error reporting information setting module.
Preferably, the output ends of the error judgment module and the error information setting module are connected with the input end of the warning module, and the output end of the warning module is connected with the input end of the infinite transceiving module.
(III) advantageous effects
The invention provides a real-time online sensing system for communication optical cable vibration in communication engineering construction. Compared with the prior art, the method has the following beneficial effects:
(1) the real-time online sensing system for the vibration of the communication optical cable in the construction of the communication engineering is characterized in that the output end of a sensing signal acquisition layer is connected with the input end of an optical fiber output layer, the output end of the optical fiber output layer is connected with the input end of a monitoring layer, the sensing signal acquisition layer comprises an optical modulation demodulator, a sensing optical fiber, an analog signal generation unit, a light receiving module, an analog signal output unit, a signal amplification end, a first optical wavelength distinguishing unit, a synchronous signal acquisition device, a multiplexer, a signal coprocessor and a signal sending end, the optical modulation demodulator is in bidirectional connection with the sensing optical fiber, the output end of the sensing optical fiber is connected with the input end of the light receiving module, the output end of the light receiving module is connected with the input end of the signal amplification end, the output end of the signal amplification end is connected with the input end of the synchronous signal acquisition device, and the output end of the synchronous signal acquisition device is connected with the input end of the signal coprocessor, the output end of the signal coprocessor is connected with the input end of the first optical wavelength distinguishing unit, the output end of the first optical wavelength distinguishing unit is connected with the input end of the multiplexer, the output end of the multiplexer is connected with the input end of the signal sending end, after high-power narrow linewidth optical pulses are sent out, high-speed multipoint sampling is carried out on backward Rayleigh scattering light interference signals, collected data are sent into a computer to be further analyzed, whether external force damage events occur or not can be determined by the system according to analysis results, real-time sensing can be carried out on vibration information rapidly, and accuracy is high.
(2) The real-time online sensing system for the vibration of the communication optical cable in the communication engineering construction comprises a signal receiving end, an analog signal separation unit, a demultiplexer, a second optical wavelength distinguishing unit, an analog signal comparison unit, an error reporting unit and a monitoring system, wherein the output end of the signal receiving end is respectively connected with the input ends of the analog signal separation unit and the demultiplexer, the output end of the analog signal separation unit is connected with the input end of the analog signal comparison unit, the output end of the analog signal comparison unit is connected with the input end of the error reporting unit, the output end of the demultiplexer is connected with the input end of the second optical wavelength distinguishing unit, the output end of the second optical wavelength distinguishing unit is connected with the input end of the monitoring system, different optical signals in the same optical fiber are distinguished by signals according to the wavelength, and the communication transmission cost can be reduced by the application of the wavelength division multiplexing technology, the communication is more economical and efficient, and ultrahigh-speed remote transmission is realized.
(3) The real-time online sensing system for the vibration of the communication optical cable for the communication engineering construction comprises an analog signal generating unit, an analog signal editing module, an analog signal generating module, an analog signal marking module and an analog signal conversion module, wherein the output end of the analog signal editing module is connected with the input end of the analog signal generating unit, the output end of the analog signal generating module is connected with the input end of the analog signal marking module, the output end of the analog signal marking module is connected with the input end of the analog signal conversion module, the analog signal separating unit comprises an analog signal marking identification module, an unconverted analog signal extraction module, a converted analog signal extraction module and an analog signal storage module, the output end of the analog signal marking identification module is respectively connected with the input ends of the unconverted analog signal extraction module and the converted analog signal extraction module, the output ends of the unconverted analog signal extraction module and the converted analog signal extraction module are connected with the input end of the analog signal storage module, the analog signal comparison unit comprises an analog signal comparison module, an analog signal superposition module and an analog signal error rate measuring and calculating module, the output end of the analog signal comparison module is connected with the input end of the analog signal superposition module, the output end of the analog signal superposition module is connected with the input end of the analog signal error rate measuring and calculating module, and analog information is generated in the analog signal generation unit, and the analog signal marking module marks the analog information, the analog signal conversion module converts the analog information, then, the analog signals are output through the analog signal output unit and the light receiving module respectively, and whether errors occur in transmission or not is judged by comparing the received analog signals, so that the signals are inaccurate, and the accuracy of the sensing system is improved.
Drawings
FIG. 1 is a schematic block diagram of the system of the present invention;
FIG. 2 is a schematic block diagram of a sensing signal acquisition layer, an optical fiber output layer and a monitoring layer according to the present invention;
FIG. 3 is a schematic block diagram of an analog signal generating unit of the present invention;
FIG. 4 is a schematic block diagram of an analog signal separation unit of the present invention;
FIG. 5 is a schematic block diagram of an analog signal comparison unit of the present invention;
FIG. 6 is a schematic block diagram of an error reporting unit of the present invention;
FIG. 7 is a flow chart of the logic algorithm of the present invention.
In the figure, 1-sensing signal acquisition layer, 2-optical fiber output layer, 3-monitoring layer, 11-optical modulation demodulator, 12-sensing optical fiber, 13-analog signal generation unit, 14-optical receiving module, 15-analog signal output unit, 16-signal amplification end, 17-first optical wavelength distinguishing unit, 18-synchronous signal collector, 19-multiplexer, 110-signal coprocessor, 111-signal sending end, 31-signal receiving end, 32-analog signal separation unit, 33-demultiplexer, 34-second optical wavelength distinguishing unit, 35-analog signal comparison unit, 36-error reporting unit, 37-monitoring system, 131-analog signal editing module, 132-analog signal generation module, light source, light modulation demodulator, light source, light, 133-analog signal marking module, 134-analog signal conversion module, 321-analog signal marking identification module, 322-analog signal marking identification module, 323-converted analog signal extraction module, 324-analog signal storage module, 351-analog signal comparison module, 352-analog signal overlapping module, 353-analog signal error rate measuring module, 361-error determination module, 362-warning module, 363-infinite transceiving module and 364-error information setting module.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, an embodiment of the present invention provides a technical solution: a real-time on-line sensing system for vibration of a communication optical cable in communication engineering construction comprises a sensing signal acquisition layer 1, an optical fiber output layer 2 and a monitoring layer 3, wherein the output end of the sensing signal acquisition layer 1 is connected with the input end of the optical fiber output layer 2, the output end of the optical fiber output layer 2 is connected with the input end of the monitoring layer 3, the sensing signal acquisition layer 1 comprises an optical modulation demodulator 11, a sensing optical fiber 12, an analog signal generation unit 13, an optical receiving module 14, an analog signal output unit 15, a signal amplification end 16, a first optical wavelength distinguishing unit 17, a synchronous signal collector 18, a multiplexer 19, a signal coprocessor 110 and a signal sending end 111, after high-power narrow linewidth optical pulses are sent out, high-speed multi-point sampling is carried out on backward Rayleigh scattered light interference signals, the acquired data are sent to a computer for further analysis, and the system can determine whether an external force damage event occurs according to the analysis result, the vibration information can be rapidly sensed in real time, the accuracy is high, the light modulation and demodulation instrument 11 and the sensing optical fiber 12 are in bidirectional connection, the output end of the sensing optical fiber 12 is connected with the input end of the light receiving module 14, the output end of the light receiving module 14 is connected with the input end of the signal amplifying end 16, the output end of the signal amplifying end 16 is connected with the input end of the synchronous signal collector 18, the output end of the synchronous signal collector 18 is connected with the input end of the signal coprocessor 110, the output end of the signal coprocessor 110 is connected with the input end of the first optical wavelength distinguishing unit 17, the output end of the first optical wavelength distinguishing unit 17 is connected with the input end of the multiplexer 19, the output end of the multiplexer 19 is connected with the input end of the signal sending end 111, the output end of the analog signal generating unit 13 is respectively connected with the input ends of the analog signal output unit 15 and the light receiving module 14, the output end of the analog signal output unit 15 is connected with the input end of the optical fiber output layer 2, the output end of the signal transmitting end 111 is connected with the input end of the optical fiber output layer 2, the monitoring layer 3 comprises a signal receiving end 31, an analog signal separation unit 32, a demultiplexer 33, a second optical wavelength distinguishing unit 34, an analog signal comparison unit 35, an error reporting unit 36 and a monitoring system 37, different optical signals in the same optical fiber are distinguished according to the wavelength, through the application of the wavelength division multiplexing technology, the communication transmission cost can be reduced, the communication is more economical and efficient, ultra-high-speed remote transmission is realized, the output end of the signal receiving end 31 is respectively connected with the input ends of the analog signal separation unit 32 and the demultiplexer 33, the output end of the analog signal separation unit 32 is connected with the input end of the analog signal comparison unit 35, the output end of the analog signal comparison unit 35 is connected with the input end of the error reporting unit 36, the output end of the demultiplexer 33 is connected to the input end of the second optical wavelength distinguishing unit 34, the output end of the second optical wavelength distinguishing unit 34 is connected to the input end of the monitoring system 37, the output end of the optical fiber output layer 2 is connected to the input end of the signal receiving end 31, the analog signal generating unit 13 includes an analog signal editing module 131, an analog signal generating module 132, an analog signal marking module 133 and an analog signal converting module 134, the output end of the analog signal editing module 131 is connected to the input end of the analog signal generating unit 13, the output end of the analog signal generating module 132 is connected to the input end of the analog signal marking module 133, the output end of the analog signal marking module 133 is connected to the input end of the analog signal converting module 134, the analog signal separating unit 32 includes an analog signal marking identifying module 321, an unconverted analog signal extracting module 322, a converted analog signal extracting module 323 and an analog signal storing module 324, the output end of the analog signal mark recognition module 321 is connected to the input ends of the unconverted analog signal extraction module 322 and the converted analog signal extraction module 323, the output ends of the unconverted analog signal extraction module 322 and the converted analog signal extraction module 323 are connected to the input end of the analog signal storage module 324, the analog signal comparison unit 35 comprises an analog signal comparison module 351, an analog signal overlapping module 352 and an analog signal error rate measuring and calculating module 353, the output end of the analog signal comparison module 351 is connected to the input end of the analog signal overlapping module 352, the output end of the analog signal overlapping module 352 is connected to the input end of the analog signal error rate measuring and calculating module 353, the error reporting unit 36 comprises an error determination module 361, an alarm module 362, an infinite transceiver module 363 and an error reporting information setting module 364, the output ends of the error determination module 361 and the error reporting information setting module 364 are connected to the input end of the alarm module 362, the output end of the warning module 362 is connected with the input end of the infinite transceiver module 363, analog information is generated in the analog signal generating unit 13, the analog information is marked through the analog signal marking module 133, converted through the analog signal conversion module 134, and then output through the analog signal output unit 15 and the light receiving module 14, and whether an error occurs in transmission or not is judged by comparing the received analog signals, so that the signal is inaccurate, and the accuracy of the sensing system is improved.
When in use, according to the principle of backward scattering light, high-power narrow pulse light output by the light modulation and demodulation instrument 11 is injected into the sensing optical fiber 12, backward Rayleigh scattering light is generated in the sensing optical fiber 12, the backward Rayleigh scattering light is separated by the light modulation and demodulation instrument 11 to obtain superposition of optical signals carrying vibration signals (mainly optical phase information), the Rayleigh scattering light reflected backward from the light modulation and demodulation instrument 11 enters the light receiving module 14 for light/electricity conversion and then is amplified by the signal amplifier 16, at this time, the signals are converted into electric signals by the optical signals and then respectively enter the synchronous signal collector 15 for A/D (analog/digital) conversion, the digital signals are preprocessed and analyzed and calculated by the signal coprocessor 110, the data preprocessing result is output to the first optical wavelength distinguishing unit 17 to be distinguished at a certain wavelength interval and then is subjected to convergence coupling by the multiplexer 19 at the signal transmitting end 11, the different signals can be transmitted in one light ray, and are transmitted to a signal receiving end 31 through an optical fiber output layer 2, and then are subjected to wavelength division through the same principle through a demultiplexer 33, so that the light waves are separated, and finally ultra-high-speed remote transmission is realized, analog information is generated in an analog signal generating unit 13 at the same time, analog information is marked through an analog signal marking module 133, is converted through an analog signal conversion module 134, and is output through an analog signal output unit 15 and an optical receiving module 14 respectively, after the analog information is received through the signal receiving end 31, the analog information is identified through an analog signal marking identification module 321, after extraction, error comparison is carried out through an analog signal comparison module 351, an error range is measured through an analog signal error rate measuring module 353, and judgment is carried out through an error judgment module 361, the warning is performed by the warning module 362.
And those not described in detail in this specification are well within the skill of those in the art.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a real-time online sensing system of communication engineering construction communication optical cable vibration, includes sensing signal acquisition layer (1), optic fibre output layer (2) and monitoring layer (3), its characterized in that: the output end of the sensing signal acquisition layer (1) is connected with the input end of the optical fiber output layer (2), the output end of the optical fiber output layer (2) is connected with the input end of the monitoring layer (3), the sensing signal acquisition layer (1) comprises an optical modulation demodulator (11), a sensing optical fiber (12), an analog signal generation unit (13), an optical receiving module (14), an analog signal output unit (15), a signal amplification end (16), a first optical wavelength distinguishing unit (17), a synchronous signal collector (18), a multiplexer (19), a signal coprocessor (110) and a signal transmitting end (111), the optical modulation demodulator (11) is in bidirectional connection with the sensing optical fiber (12), the output end of the sensing optical fiber (12) is connected with the input end of the optical receiving module (14), and the output end of the optical receiving module (14) is connected with the input end of the signal amplification end (16), the output end of the signal amplification end (16) is connected with the input end of the synchronous signal collector (18), the output end of the synchronous signal collector (18) is connected with the input end of the signal coprocessor (110), the output end of the signal coprocessor (110) is connected with the input end of the first optical wavelength distinguishing unit (17), the output end of the first optical wavelength distinguishing unit (17) is connected with the input end of the multiplexer (19), the output end of the multiplexer (19) is connected with the input end of the signal sending end (111),
the monitoring layer (3) comprises a signal receiving end (31), an analog signal separation unit (32), a demultiplexer (33), a second optical wavelength distinguishing unit (34), an analog signal comparison unit (35), an error reporting unit (36) and a monitoring system (37), wherein the output end of the signal receiving end (31) is respectively connected with the input ends of the analog signal separation unit (32) and the demultiplexer (33), the output end of the analog signal separation unit (32) is connected with the input end of the analog signal comparison unit (35), and the output end of the analog signal comparison unit (35) is connected with the input end of the error reporting unit (36);
the analog signal generating unit (13) comprises an analog signal editing module (131), an analog signal generating module (132), an analog signal marking module (133) and an analog signal converting module (134), wherein the output end of the analog signal editing module (131) is connected with the input end of the analog signal generating module (132), the output end of the analog signal generating module (132) is connected with the input end of the analog signal marking module (133), and the output end of the analog signal marking module (133) is connected with the input end of the analog signal converting module (134);
the output end of the optical fiber output layer (2) is connected with the input end of a signal receiving end (31) in the monitoring layer (3), the output end of the analog signal generating unit (13) is respectively connected with the input ends of the analog signal output unit (15) and the light receiving module (14), and the output end of the analog signal output unit (15) is connected with the input end of the signal receiving end (31) through the optical fiber output layer (2);
the input end of the optical fiber output layer (2) is connected with the output end of a signal sending end (111) in the sensing signal acquisition layer (1), the output end of the demultiplexer (33) is connected with the input end of a second optical wavelength distinguishing unit (34), and the output end of the second optical wavelength distinguishing unit (34) is connected with the input end of a monitoring system (37).
2. The real-time online vibration sensing system for the communication engineering construction communication optical cable according to claim 1, characterized in that: the analog signal separation unit (32) comprises an analog signal mark identification module (321), an unconverted analog signal extraction module (322), a converted analog signal extraction module (323) and an analog signal storage module (324), wherein the output end of the analog signal mark identification module (321) is respectively connected with the input ends of the unconverted analog signal extraction module (322) and the converted analog signal extraction module (323), and the output ends of the unconverted analog signal extraction module (322) and the converted analog signal extraction module (323) are connected with the input end of the analog signal storage module (324).
3. The real-time online vibration sensing system for the communication engineering construction communication optical cable according to claim 1, characterized in that: the analog signal comparison unit (35) comprises an analog signal comparison module (351), an analog signal superposition module (352) and an analog signal error rate measuring and calculating module (353), wherein the output end of the analog signal comparison module (351) is connected with the input end of the analog signal superposition module (352), and the output end of the analog signal superposition module (352) is connected with the input end of the analog signal error rate measuring and calculating module (353).
4. The real-time online vibration sensing system for the communication engineering construction communication optical cable according to claim 1, characterized in that: the error reporting unit (36) comprises an error judging module (361), an alarm module (362), an infinite transceiving module (363) and an error reporting information setting module (364).
5. The real-time online vibration sensing system for the communication engineering construction communication optical cable according to claim 4, wherein: the output ends of the error judgment module (361) and the error reporting information setting module (364) are connected with the input end of the warning module (362), and the output end of the warning module (362) is connected with the input end of the infinite transceiving module (363).
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| CN110987151A (en) * | 2019-12-17 | 2020-04-10 | 武汉伊莱维特电力科技有限公司 | Communication optical cable state real-time monitoring system |
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