Abstract: A communication device is capable of estimating an incoming wave number with high accuracy. A communication device includes an antenna and circuitry configured to calculate an arrival direction of a reception signal received from the antenna in a case of a predetermined incoming wave number based on the reception signal and the predetermined incoming wave number, calculate an incoming signal for each of one or more arrival directions in a case of a certain incoming wave number based on the incoming wave number and the one or more arrival directions, and estimate an incoming wave number of the reception signal based on levels of the incoming signals in a plurality of arrival directions.

Abstract: A displacement measurement device includes: an irradiation unit that irradiates a measurement object with coherent light; a luminance-change coordinate point detection unit that detects a luminance-change coordinate point where a luminance change has occurred, based on light reflected from the measurement object, and outputs data related to the luminance-change coordinate point; and circuitry that calculates an amount of displacement of the measurement object, based on the data related to the luminance-change coordinate point, by performing computations of a first numerical sequence and a second numerical sequence. The first numerical sequence includes a set of first elements each representing a location of the luminance-change coordinate point extracted from the data. The second numerical-sequence includes a set of second elements each representing a location of the luminance-change coordinate point extracted from the data.

Abstract: A resist underlayer film-forming composition in which a coating film having high flattening properties is formed on a substrate. A resist underlayer film-forming composition including an epoxy adduct (C) obtained by reacting an epoxy group-containing compound (A) with an epoxy adduct-forming compound (B), wherein one or both of the epoxy group-containing compound (A) and the epoxy adduct-forming compound (B) contain an optionally branched alkyl group having a carbon atom number of three or more. The epoxy adduct-forming compound (B) is at least one compound selected from the group consisting of carboxylic acid (B1), carboxylic anhydride (B2), a phenol compound (B3), a hydroxyl group-containing compound (B4), a thiol compound (B5), an amino compound (B6), and an imide compound (B7). The optionally branched alkyl group having a carbon atom number of three or more is contained in the epoxy adduct-forming compound (B). The optionally branched alkyl group has a C3-19 alkyl group.

Abstract: It is provided that a layered body having excellent absorption speeds of fuel and the like to the filter media. A layered body comprising a first base material and a second base material, wherein the first base material and the second base material are adhered to each other via an adhesive, the first and second base materials each contain a phenol-based resin and an aliphatic hydrocarbon detected during a retention time of 12.0 to 30.0 minutes under pyrolysis-gas chromatography mass spectrometry (PY-GC/MS), and the adhesive contains 65 mol % or more of a butylene terephthalate unit and 5 mol % or more of a butylene isophthalate unit, and has an acid value of not larger than 100 eq/ton, a glass transition temperature of ?10 to 60° C., and a specific gravity of not less than 1.20.

Abstract: This input system includes an input device, an electrostatic sensor, a conduction sensor, a controller, and a determiner. When a movable contact of the input device is pressed, electrostatic capacitance between a first electrode and a second electrode changes, and when the movable contact of the input device is further pressed after the electrostatic capacitance changes, a third electrode and a fourth electrode are electrically conductive to each other. The conduction sensor detects the conduction between the third electrode and the fourth electrode. The controller switches the sensing operation of the electrostatic sensor from the OFF state to the ON state after the conduction sensor detects the conduction between the third electrode and the fourth electrode. In the ON state, the electrostatic sensor outputs a detected value related to the electrostatic capacitance between the first electrode and the second electrode.

Abstract: An object of the present invention is to provide a chemical solution that, in the case of being used in a step of bringing a contact-target member and the chemical solution into contact with each other, is less likely to cause a predetermined defect in the contact-target member. A chemical solution according to the present invention includes an organic solvent and a metal-containing particle including a metal element selected from the group consisting of Fe, Ni, and Zn, wherein an I value determined by a method X is 0.010 to 10.

Abstract: The purpose of the present invention is to provide a learning model, a signal processor, a flying object, and a program that enable appropriate observation of the situation of an observed object or the environment around the observed object. The learning model is learned by using teaching data with a first received signal as input, the first received signal being based on a reflected electromagnetic wave that is an electromagnetic wave emitted to a first target area and then reflected, and with first meta-information as output, the first meta-information corresponding to the first received signal and having a predetermined item, so as to input a second received signal based on a reflected electromagnetic wave that is an electromagnetic wave emitted to a second target area and then reflected, and to output second meta-information corresponding to the second received signal and having a predetermined item.

Abstract: A receiver accurately performs, using an annihilation filter, angle estimation in two-dimensional directions of an incoming wave. The receiver operates with at least two linear array antenna. The receiver may be implemented in a radar apparatus includes the receiver, as well as a vehicle and a communication system, which also include the receiver.

Abstract: The purpose of the present invention is to provide a learning model, a signal processor, a flying object, and a program that enable appropriate observation of the situation of an observed object or the environment around the observed object. The learning model is learned by using teaching data with a first received signal as input, the first received signal being based on a reflected electromagnetic wave that is an electromagnetic wave emitted to a first target area and then reflected, and with first meta-information as output, the first meta-information corresponding to the first received signal and having a predetermined item, so as to input a second received signal based on a reflected electromagnetic wave that is an electromagnetic wave emitted to a second target area and then reflected, and to output second meta-information corresponding to the second received signal and having a predetermined item.

Abstract: A spectrum analysis program causing a computer system to execute: generating, using an AF method, first frequency spectrum data having continuous frequency values from a wireless signal, generating, using a frequency spectrum analysis method for outputting reference power values for the wireless signal, second frequency spectrum data having discrete frequency values from the wireless signal, pairing, with each other, frequency values that are closest among frequency values of the first frequency spectrum data and frequency values of the second frequency spectrum data, and generating, based on a comparison between a first power value at a first frequency in the first frequency spectrum data and a second power value at a second frequency corresponding to the first frequency in the second frequency spectrum data, frequency spectrum data serving as an analysis result.

Abstract: A radar device that includes a radar module and a vibrator. An example of the vibrator is an actuator, which generates vibration with a magnitude smaller than the range resolution of the radar device. A shield case is supported on a bracket with a fixing portion interposed therebetween. The fixing portion is made of an elastic material. As the actuator vibrates, the shield case vibrates irregularly, and the vibration of the shield case is transmitted to a circuit board. On the front side of the circuit board, a pattern constituting an array antenna is formed.

Abstract: An information analysis system includes a communication terminal including first circuitry and an information analysis apparatus including second circuitry. The first circuitry acquires image information and voice information of a plurality of participants participating in an online event and transmits, to the information analysis apparatus, the image information and the voice information. The second circuitry performs analysis on a state of the plurality of participants based on the image information and the voice information transmitted from the communication terminal, and generates, based on the state of the plurality of participants, a state notification to be displayed on the communication terminal.

Abstract: A computer system detects occurrence of an action exchange in which one of a player character and an opponent character performs a first action and another one of the player character and the opponent character performs a second action to mutually exchange the actions. Based on a first stiff time related to the first action, a second stiff time related to the second action, and a time difference between the first stiff time and the second stiff time, when a stiff time (hereinafter referred to as an “own stiff time”) related to an action performed by the player character is shorter than a stiff time related to an action performed by the opponent character, the computer system presents a player controlling the player character with a recommended candidate action recommended to be performed after an end of the own stiff time.

Abstract: A method of producing a resin modifier, the method comprising a process of polymerizing an ethylene unsaturated monomer in the presence of a cellulose nanofiber, the cellulose nanofiber being reacted with an amine or a quaternary ammonium salt compound.

Abstract: The purpose of the present invention is to provide a learning model, a signal processor, a flying object, and a program that enable appropriate observation of the situation of an observed object or the environment around the observed object. The learning model is learned by using teaching data with a first received signal as input, the first received signal being based on a reflected electromagnetic wave that is an electromagnetic wave emitted to a first target area and then reflected, and with first meta-information as output, the first meta-information corresponding to the first received signal and having a predetermined item, so as to input a second received signal based on a reflected electromagnetic wave that is an electromagnetic wave emitted to a second target area and then reflected, and to output second meta-information corresponding to the second received signal and having a predetermined item.

Abstract: Provided are a defect removal device and a defect removal method capable of removing defects of a semiconductor substrate with high accuracy, and a pattern forming method and a method of manufacturing an electronic device using the semiconductor substrate from which defects on a surface are removed.

Abstract: Provided are an analysis apparatus and an analysis method capable of analyzing a smaller defect on a surface of a semiconductor substrate. An analysis apparatus includes a surface defect measurement unit that measures presence or absence of a defect on a surface of a semiconductor substrate, and obtains positional information on the surface of the semiconductor substrate for the defect on the surface of the semiconductor substrate, and an analysis section that performs inductively coupled plasma mass spectrometry by irradiating the defect on the surface of the semiconductor substrate with laser light based on the positional information of the defect on the surface of the semiconductor substrate, and collecting an analysis sample obtained by the irradiation using a carrier gas.

Abstract: A displacement measurement device includes: an irradiation unit that irradiates a measurement object with coherent light; a luminance-change coordinate point detection unit that detects a luminance-change coordinate point where a luminance change has occurred, based on light reflected from the measurement object, and outputs data related to the luminance-change coordinate point; and circuitry that calculates an amount of displacement of the measurement object, based on the data related to the luminance-change coordinate point, by performing computations of a first numerical sequence and a second numerical sequence. The first numerical sequence includes a set of first elements each representing a location of the luminance-change coordinate point extracted from the data. The second numerical-sequence includes a set of second elements each representing a location of the luminance-change coordinate point extracted from the data.

Abstract: An information processing system includes: circuitry that acquires, from a terminal device used by each of a plurality of users, user meeting information indicating a state of a corresponding one of the plurality of users in a meeting in which the plurality of users participate; acquire work information related to a history of work-related activities of the plurality of users; calculate a relationship index indicating a relationship between the plurality of users based on the acquired user meeting information and the acquired work information, and store the relationship index in a memory; and generate, based on the relationship index that is stored, presentation information for presenting the relationship index to each of the plurality of users, and cause the terminal device to present the presentation information.

Abstract: Provided are a method of manufacturing a semiconductor device in which the purity of a chemical liquid containing an organic solvent is more easily managed, a method of washing a semiconductor manufacturing apparatus, and a simpler method of measuring the cleanliness of a washing solution. A method of manufacturing a semiconductor device has Step 1 of bringing an oscillator into contact with a chemical liquid containing an organic solvent as a main component to obtain the amount of change in the resonance frequency of the oscillator resulting from the contact with the chemical liquid, Step 2 of confirming whether or not the amount of change in the resonance frequency of the chemical liquid falls within a permissible range of the amount of change in the resonance frequency based on the preset purity of the chemical liquid, and Step 3 of using the chemical liquid confirmed in Step 2 in manufacturing a semiconductor device.