Abstract: In an audio spot formation device D including a speaker unit 1 and a support stand 2 that supports the speaker unit 1, the speaker unit 1 includes a plurality of parametric speakers 1a, 1b, 1c and 1d that divide a sound wave into a carrier wave and a sideband wave and radiate the carrier wave and the sideband wave, and a speaker disposition unit 10 in which the plurality of speakers 1a, 1b, 1c and 1d are disposed, the speaker disposition unit 10 is attached to the support stand 2 at a support unit P, at least one of a height of the support stand 2, an angle of attachment of the speaker disposition unit 10 at the support unit P and a direction of at least one parametric speaker of the plurality of parametric speakers 1a, 1b, 1c and 1d is adjustable, and a position at which an audio spot is formed is adjusted via the adjustment.

Abstract: An acquisition unit acquires a plurality of signals received by a plurality of antennas included in a wireless communication device that moves in a predetermined orbit above a celestial body. A parameter determination unit determines a synthesis parameter of the plurality of signals according to the position of a transmission terminal provided on the celestial body, the orbit, and the reception time of the plurality of signals. A synthesis unit synthesizes a transmission signal of the transmission terminal according to the plurality of signals and the synthesis parameter.

Abstract: A wireless communication system includes a transmission apparatus and a communication apparatus that moves. Further, the wireless communication system includes a statistics calculation unit, an information generation unit, and a notification unit. The statistics calculation unit acquires a transmission condition used for a first radio signal transmitted from the transmission apparatus in an area and normally received by a reception unit of the communication apparatus, and generates statistical information of the acquired transmission condition. The information generation unit extracts a transmission condition having a high probability that a radio signal is normally received on the basis of the statistical information, and generates transmission control information indicating the extracted transmission condition. The notification unit notifies the transmission apparatus in the area of the transmission control information.

Abstract: There is provided a wireless communication device in a wireless communication system including one or more communication devices installed on the ground and a moving wireless communication device, the wireless communication device including: an activation signal generation unit that generates an activation signal for activating the one or more communication devices; a distribution unit that distributes the activation signal generated by the activation signal generation unit; one or more frequency change application units that apply a frequency change to the activation signal distributed by the distribution unit; and a transmission unit that transmits an activation signal to which a frequency change is applied to the one or more frequency change application units.

Abstract: According to an aspect of the present invention, there is provided a signal transfer system that transfers a signal from one communication device to another communication device, the signal transfer system including an information acquisition unit that acquires network transfer information that is information regarding a traffic flow for each traffic flow from the one communication device to the other communication device; and a communication control unit that executes an adjustment process that is a process of reducing a waiting time for a frame on the basis of the network transfer information acquired by the information acquisition unit.

Abstract: A detection device includes processing circuitry configured to acquire position information and a file size of a falsification detection target file, and determine a change in the position information or the file size acquired, and detect falsification of the falsification detection target file in a case where there is a change in the position information or the file size.

Abstract: The sensory stimulus presentation device includes: a label acquisition unit that acquires a classification label of an intellectual task to be performed by a user; and a sound emission unit that emits a first type of sound satisfying a predetermined criterion when the acquired classification label indicates a creativity task, and emits a second type of sound satisfying a criterion different from that of the first type of sound when the acquired classification label indicates a storage task.

Abstract: A wireless communication system includes a first communication apparatus that moves, a second communication apparatus that moves, and a reception apparatus. A first control unit of the first communication apparatus, when an own apparatus can communicate with any of the reception apparatuses, transmits transmission data acquired by the own apparatus from a first communication unit to the reception apparatus, and, when the own apparatus cannot communicate with any of the reception apparatuses, transmits the transmission data from a second communication unit to the second communication apparatus capable of communicating with the own apparatus. A second control unit of the second communication apparatus transmits the transmission data received by a third communication unit from the first communication apparatus from a fourth communication unit to a reception apparatus capable of communicating with the own apparatus.

Abstract: An object of the present disclosure is to provide an optical fiber having a simple structure, as well as attaining removal of loss components generated in an electric field part oozing out to a core-clad interface or a clad region and reduction in scattering loss generated from an interface with the clad region. The present disclosure relates to an optical fiber including a core for propagating light, a cladding disposed around the core, an air layer between the core and the cladding, and two or more bridges for supporting the core in the air layer.

Abstract: An object of the present disclosure is to enable a three-dimensional model to be created even for a target object which has unevenly spaced inter-point distances and only a part of a point cloud. According to the present disclosure, there are provided an apparatus and a method in which, a three-dimensional model of a target object is created from point cloud data in which each point represents three-dimensional coordinates, the three-dimensional model is superimposed on an image in which a target object of the three-dimensional model is photographed, a superimposed image generated by the superimposition is displayed, and when a range of the target object in the superimposed image is input, a three-dimensional model is created again using point cloud data in which a point is located in a range of the superimposed image.

Abstract: A characteristic measurement device that measures a characteristic between lanes of a transmitter and a receiver connected via an optical fiber transmission path, the characteristic measurement device including an adaptive equalization unit that uses a polarization multiplexed reception signal and a phase conjugate signal of the polarization multiplexed reception signal or a plurality of signals mathematically equivalent to the reception signal and the phase conjugate signal of the reception signal as input signals and performs equalization processing on the input signals, and a characteristic function derivation unit that calculates a first inverse characteristic representing an inverse characteristic of the transmitter and a second inverse characteristic representing an inverse characteristic of the receiver on the basis of a filter coefficient obtained at the time of the equalization processing performed by the adaptive equalization unit and a frequency offset.

Abstract: An information presentation method for presenting action instruction information to a presentation proxy device that performs a presentation as proxy includes: a step of acquiring a scenario of a presentation and data of a personality characteristic of a human presenter; a step of converting the scenario by using an action characteristic model in accordance with the data of the personality characteristic of the human presenter; and a step of outputting the scenario converted, to the presentation proxy device.

Abstract: A data collection device according to an embodiment includes: an acquisition unit that acquires data when the data is stored in a shared storage area available to one or more users; a determination unit that determines whether or not a format of the data acquired by the acquisition unit is a format in which text included in the data can be extracted by a predetermined library; an extraction unit that extracts the text included in the data by a text extraction method according to a determination result determined by the determination unit; and a storage unit that stores the text extracted by the extraction unit in a database as learning data for a machine learning model that implements a natural language processing task.

Abstract: A transmission device includes: a transmission signal amplifier enabled to vary transmission power; a transmission power control unit 28 that controls the transmission power; an error rate characteristic estimation unit that estimates an error rate of a reception signal in a reception device of a communication partner, and a reception unit that receives information on an SNR in the reception device. The error rate characteristic estimation unit executes: processing of estimating a constellation corresponding to a modulation scheme and reflecting a specification regarding an input-output characteristic of the transmission signal amplifier on the basis of the transmission power, and processing of estimating the error rate on the basis of a characteristic of the constellation and the SNR. The transmission power control unit controls the transmission power such that the error rate satisfies a predetermined requirement.

Abstract: The information presentation device according to an embodiment includes: an acquisition unit configured to acquire a speech speed and a sound pressure of an utterance at a predetermined interval; a determination unit configured to determine whether at least one of the speech speed or the sound pressure needs to be improved or not; and a presentation content control unit configured to acquire a pseudo heartbeat sound in a case where it is determined that the speech speed needs to be improved, acquire a bubble noise in a case where it is determined that the sound pressure needs to be improved, and output presentation information including at least one of the pseudo heartbeat sound or the bubble noise.

Abstract: An object of the present disclosure is to enable a three-dimensional model to be created even for a target object which has unevenly spaced inter-point distances and only a part of a point cloud. According to the present disclosure, there are provided an apparatus and a method in which a three-dimensional model of a target object is created from point cloud data in which each point represents three-dimensional coordinates, the three-dimensional model is superimposed on an image in which a target object of the three-dimensional model is photographed, a point cloud data to be added to a point cloud data that constitutes the three-dimensional model is selected by comparing the three-dimensional model with the target object in the image, and the three-dimensional model of the target object is created again using the point cloud data including the point cloud to be added.

Abstract: To provide a noise control apparatus capable of stabilizing a noise suppression operation even when noise characteristics rapidly change in a manner that the noise control apparatus is controlled by correcting a coefficient of an adaptive filter, stopping a cancelling speaker, and the like in accordance with the current position of a vehicle such as a train. The noise control apparatus generates a cancellation signal to be reproduced by a cancelling speaker by performing an operation corresponding to position information m of a moving object in which the cancelling speaker used in active noise control is installed.

Abstract: A display control device estimates an occurrence time at which a call occurs at an occurrence point for each of a plurality of occurrence points on the basis of a predictive distribution of an occurrence point representing a point where a call for an emergency vehicle occurs. The display control device executes a simulation of an emergency activity in which any one of a plurality of emergency vehicles available for dispatch is dispatched to the occurrence point at the occurrence time for each of the plurality of occurrence points on the basis of the occurrence time of each of the plurality of occurrence points and an operational status of each of the plurality of emergency vehicles.

Abstract: An aspect of the present invention is an optical transmitter including: a first modulation unit configured to generate an optical modulated signal through intensity modulation of an optical signal; a second modulation unit configured to generate an optical modulated signal through phase/frequency modulation of the optical signal; and a modulation scheme switching unit configured to switch a modulator of the optical signal to one of the first and second modulation units. The modulation scheme switching unit switches the modulator to a modulation unit corresponding to a device of a connection destination between the first and second modulation units.

Abstract: A reflection characteristic analysis device analyzes reflection characteristics of a reconfigurable intelligent surface (RIS: Reconfigurable Intelligent Surface). The reflection characteristic analysis device includes a ray trace calculation unit and an electromagnetic field analysis unit. The ray trace calculation unit calculates an incident angle of an electromagnetic wave incident on the reconfigurable intelligent surface by a ray-tracing method. The electromagnetic field analysis unit acquires the incident angle calculated by the ray trace calculation unit, and calculates, based on an electromagnetic field analysis, the reflection characteristics obtained when the electromagnetic wave enters the reconfigurable intelligent surface at the incident angle.