Abstract: Provided are a data processing device, etc. that makes it possible to measure an object between adjacent positions where measurement instruments are installed. A data processing device comprises: at least one memory configured to store instructions; and at least one processor configured to execute the instructions to acquire, from each measurement instrument installed at different measurement positions, measurement data indicating results of measuring an object, to acquire sensing data from an optical fiber cable laid so as to pass through each of the different measurement positions, and to use the sensing data to interpolate measurement data.

Abstract: Provided are a spatial sensing device, and the like, that are suitable for spatial sensing. This spatial sensing device (3) comprises a sensing data acquisition means (11) for acquiring sensing data through optical fiber sensing using a plurality of optical fiber cables (1) laid in different directions and an object detection means (12) for using the sensing data to detect the position of an object in a space of interest.

Abstract: An optical transmission apparatus (1_1) according to the present invention includes a first transmission unit (11_1) that transmits a first optical transmission signal (21_1), a second transmission unit (11_2) that transmits a second optical transmission signal (21_2), and an output unit that outputs, when the first optical transmission signal (21_1) and the second optical transmission signal (21_2) share a set of information, both the first optical transmission signal (21_1) and the second optical transmission signal (21_2) to a first path (26_1) and outputs, when the first optical transmission signal (21_1) and the second optical transmission signal (21_2) do not share the set of information, one of the first optical transmission signal (21_1) and the second optical transmission signal (21_2) to a second path (26_2).

Abstract: A device may receive, from a fiber sensor device, sensing data associated with a fiber optic cable, the sensing data being produced by an activity that poses a threat of damage to the fiber optic cable, and the sensing data identifying: amplitudes of vibration signals, frequencies of the vibration signals, patterns of the vibration signals, times associated with the vibration signals, and locations along the fiber optic cable associated with the vibration signals. The device may process, with a machine learning model, the sensing data to determine a threat level of the activity to the fiber optic cable, the machine learning model having been trained based on historical information regarding detected vibrations, historical information regarding sources of the detected vibrations, and historical information regarding threat levels to the fiber optic cable. The device may perform one or more actions based on the threat level to the fiber optic cable.

Abstract: An optical fiber sensing system according to the present disclosure includes an optical fiber network (10) that detects sensing data, a communication unit (21) that receives an optical signal from the optical fiber network (10), an identification unit (22) that identifies status information appropriate to a service providing destination from among a plurality of pieces of status information, an analysis unit (23) that analyzes the identified status information, based on sensing data superimposed on the optical signal, by using an analysis method related to the identified status information among a plurality of analysis methods, and a providing unit (24) that provides the identified status information to the service providing destination.

Abstract: A utility pole location specifying system according to the present disclosure includes a cable (20) containing a communication optical fiber disposed in a utility pole (10), a receiving unit (331) configured to receive an optical signal containing a characteristic pattern of the utility pole (10) from at least one communication optical fiber contained in the cable (20), and a specifying unit (332) configured to specify a location of the utility pole (10) based on the characteristic pattern.

Abstract: An optical transmission apparatus (1_1) according to the present invention includes a first transmission unit (11_1) that transmits a first optical transmission signal (21_1), a second transmission unit (11_2) that transmits a second optical transmission signal (21_2), and an output unit that outputs, when the first optical transmission signal (21_1) and the second optical transmission signal (21_2) share a set of information, both the first optical transmission signal (21_1) and the second optical transmission signal (21_2) to a first path (26_1) and outputs, when the first optical transmission signal (21_1) and the second optical transmission signal (21_2) do not share the set of information, one of the first optical transmission signal (21_1) and the second optical transmission signal (21_2) to a second path (26_2).

Abstract: A method of providing a hybrid distributed fiber optic sensing system (DFOS) that extends an existing fiber optic telecommunications network thereby providing that existing fiber optic telecommunications network with DFOS capabilities.

Abstract: An optical transmission apparatus (1_1) according to the present invention includes a first transmission unit (11_1) that transmits a first optical transmission signal (21_1), a second transmission unit (11_2) that transmits a second optical transmission signal (21_2), and an output unit that outputs, when the first optical transmission signal (21_1) and the second optical transmission signal (21_2) share a set of information, both the first optical transmission signal (21_1) and the second optical transmission signal (21_2) to a first path (26_1) and outputs, when the first optical transmission signal (21_1) and the second optical transmission signal (21_2) do not share the set of information, one of the first optical transmission signal (21_1) and the second optical transmission signal (21_2) to a second path (26_2).

Abstract: A wind speed specification system according to the present disclosure includes an optical fiber (10) laid around a power transmission line (40), a reception unit (20) that receives an optical signal including information indicating a sound generated when an airflow hits the optical fiber (10), from the optical fiber (10), and a specification unit (32) that specifies a wind speed around the optical fiber (10), based on information indicating a sound that is included in the optical signal.

Abstract: An optical fiber sensing system according to the present disclosure includes: an optical fiber network (10) configured to detect first sensing information related to a first monitoring target and second sensing information related to a second monitoring target; a reception unit (21) configured to receive an optical signal from the optical fiber network (10); a specification unit (22) configured to specify a first monitoring target based on first sensing information superimposed on the optical signal and specify a second monitoring target based on second sensing information superimposed on the optical signal, and a provision unit (23) configured to provide information related to the first monitoring target and information related to the second monitoring target specified by the specification unit (22) for a service providing destination.

Abstract: A power failure detection system according to the present disclosure includes an optical fiber (10) configured to detect a state of a transformer (40), a reception unit (201) configured to receive an optical signal including information indicating the state of the transformer (40), from the optical fiber (10), and a detection unit (202) configured to detect occurrence of a power failure, based on information indicating the state of the transformer (40), the information being included in the optical signal.

Abstract: An identification system (1) includes a transmitter (131) for transmitting pulsed light via an optical fiber (10); a receiver (132) for receiving backscattering light of the pulsed light from the optical fiber (10); a detector (133) for detecting, from the backscattering light, the condition of environment surrounding the optical fiber (10); and an identifier (320) for identifying sagging of the optical fiber (10) from a detection result by the detector (133).

Abstract: A detection system according to the present disclosure includes an optical fiber (10X, 10Y) laid in a portable base station area (45) in which a portable base station (40) is installed, a reception unit (20) receiving an optical signal from the optical fiber (10X, 10Y), the optical signal containing information indicating a state of the portable base station area (45), and a detection unit (32) detecting a threat in the portable base station area (45), based on the information indicating a state of the portable base station area (45) being contained in the optical signal.

Abstract: A monitoring system according to the present disclosure includes: an optical fiber (10) configured to sense a peripheral environmental state, a monitor's terminal (40), a receiving unit (20) configured to receive an optical signal containing information indicating the environmental state from the optical fiber (10), a detecting unit (32) configured to detect at least one of an accident and an incident, based on the information indicating the environmental state, being included in the optical signal, and a broadcasting unit (33) configured to broadcast that the accident or the incident has occurred to the monitor's terminal (40) when the detecting unit (32) determines that the accident or the incident has occurred.

Abstract: A state specifying system according to the present disclosure includes a cable (20) disposed in a utility pole (10), the cable (20) containing a communication optical fiber, a receiving unit (331) configured to receive an optical signal from at least one optical fiber contained in the cable (20), and a specifying unit (332) configured to specify a state of the utility pole (10) or an environmental state around the utility pole (10) corresponding to a pattern of the optical signal received by the receiving unit (331).

Abstract: In order to provide a detection device that is capable of detecting the submersion of a fiber-optic cable in water before water penetrates the interior of the fiber-optic cable, a detection system 1 comprises: a vibration-detecting fiber-optic cable 20; a receiving means 11 that receives an optical signal including vibrations detected by the fiber-optic cable 20; and a detection means 12 that detects submersion of the fiber-optic cable in water on the basis of the vibrations included in the optical signal.

Abstract: An optical fiber sensing system according to this disclosure includes: a first optical fiber network (10A) configured to detect first sensing information about a monitoring target; a second optical fiber network (10B) configured to detect second sensing information about the monitoring target; a first reception unit (21A) configured to receive a first light signal from the first optical fiber network (10A); a second reception unit (21B) configured to receive a second light signal from the second optical fiber network (10B); and an identification unit (22) configured to identify the monitoring target, based on the first sensing information included in the first light signal, and the second sensing information included in the second light signal.

Abstract: An optical fiber sensing system according to the present disclosure includes an optical fiber (10), a reception unit (21) configured to receive, from the optical fiber (10), an optical signal including an environment pattern indicating a state of an environment in proximity to the optical fiber (10), and a detection unit (22) configured to detect an occurrence of a power outage, based on a change in the environment pattern.

Abstract: An optical fiber sensing system according to the present disclosure comprises an optical fiber (10), a reception unit (21) configured to receive, from the optical fiber (10), an optical signal including a vibration pattern, and a detection unit (22) configured to detect occurrence of a rescue request based on the vibration pattern included in the optical signal.