Abstract: The present invention is a method to determine an azimuthal orientation of a borehole seismometer sensor performed by a computing device using a control server having a database and an arithmetic function, the computing device performing a method to determine the azimuthal orientation of a borehole seismometer sensor using long-period surface waves in microseisms, including step S100 in which a data collection unit 100 collects continuous waveform data recorded by a borehole seismometer and a reference seismometer; step S200 in which a frequency band setting unit 200 sets a frequency band to be analyzed in the collected continuous waveform data; step S300 in which a filtering unit 300 performs bandpass filtering on the frequency band to be analyzed; step S400 in which a waveform dividing unit 400 divides seismic waveform into waveform segments with preset time units; step S500 in which a phase shift unit 500 shifts the phase of the divided vertical component waveforms by 90°; step S600 in which a waveform cal

Abstract: A transmitter circuit of an interface circuit includes a clock generating circuit, a pulse generating circuit, an overlapped multiplexing circuit, and an output circuit. The clock generating circuit generates a plurality of clocks having different phases. The pulse generating circuit generates a plurality of pulses based on the plurality of clocks. The overlapped multiplexing circuit receives a plurality of input signals in parallel, and sequentially outputs a plurality of overlapped signals based on the plurality of clocks, the plurality of input signals, and the plurality of pulses, and each overlapped signal includes bit values of two input signals among the plurality of input signals. The output circuit serially outputs bit values of the plurality of input signals in series based on the plurality of overlapped signal.

Abstract: The present invention relates to a microfluidic mixer and a microfluidic device including the same, and in the microfluidic mixer according to the present invention, a disk-shaped mixing unit with double U-shaped protruding portions formed therein can be continuously provided along a microchannel, thereby increasing collisions of samples to improve the binding efficiency thereof and shorten the binding time. Furthermore, the microfluidic device according to the present invention can detect a target material at high speed even at a high flow rate by including the microfluidic mixer, and thus can be usefully utilized for early diagnosis and prognosis diagnosis of a disease such as cancer.

Abstract: A user interface device based on proactive and reactive input quantification, includes a data acquisition unit configured to record input and screen output of a user, an input filtering unit for extracting an input timing for the input of the user, an output filtering unit for extracting an output timing to start a visual change beyond a specific reference for the screen output, an input/output interval extraction unit for generating a distribution of input/output intervals through timings for the input and the screen output of the user, and a model fitting unit for estimating proactiveness and reactiveness by adjusting the distribution of the input/output intervals to a proactive distribution and a reactive distribution.

Abstract: Discloses are weakly supervised semantic segmentation device and method based on pseudo-masks. The device includes a localization map generator configured to generate a plurality of first localization maps by providing an image to a first classifier; a saliency map processor configured to calculate a saliency loss through a saliency map used to identify a boundary line and a co-occurring pixel based on the plurality of first localization maps; a multi-label processor configured to predict a multi-label based on the plurality of first localization maps and calculate a classification loss; and a pseudo-masks generator configured to generate a second classifier obtained by updating the first classifier based on the saliency loss and the classification loss, and generate the pseudo-masks based on a plurality of second localization maps by the second classifier.

Abstract: The present disclosure relates to a 5th generation (5G) or pre-5G communication system for supporting higher data transmission rates than 4th generation (4G) communication systems such as long term evolution (LTE). A method performed by a first base station in a wireless communication system includes: identifying a first signal-to-interference-noise ratio (SINR), based on channel state information received from a terminal; identifying a modulation and coding scheme (MCS), based on the first SINR and information on a link direction of a second base station; and transmitting information indicating the MCS to the terminal.

Abstract: Provided are a system and method of automatically measuring spinal parameters. The system includes an image acquisitor configured to acquire an overall image of a spine and a parameter extractor configured to generate a learning model for extracting designated points from various spinal images and detecting relationships between the extracted points as angles, search for the designated points in the overall spinal image of the image acquisitor using the generated learning model, and check angular relationships between the points.

Abstract: An aluminum alloy material according to an embodiment of the present invention is an aluminum alloy including a grain boundary and a plurality of grains divided by the grain boundary, and having a face-centered cubic crystal structure, and includes a band formed by employing one or more non-metallic elements selected from oxygen (O), carbon (C) and nitrogen (N) in an aluminum matrix. Each of the grains includes a plurality of sub-grains divided by a low-angle grain boundary (LAGB), and a band positioned at the low-angle grain boundary may form a coherent interface with an aluminum matrix. Since a plurality of dislocations already are present in the band, a dislocation cell size is reduced during plastic deformation, which greatly contributes to an improvement in elongation. Such an aluminum alloy material can be subjected to cold rolling at a high reduction rate, and as a result, a plate having significantly improved elongation can be obtained.

Abstract: There is provided a method of preparing a synchronized piezoelectric and luminescence material. The method includes mixing a solution (a) including light-emitting particles or precursors thereof and a solution (b) including ligands having a piezoelectric property in a polar solvent; and optionally, mixing a solution (c) including ligands having a piezoelectric property in an antisolvent together with the solution (a) and the solution (b), if necessary.

Abstract: Provided are an electrochemical aptamer biosensor that detects a target material, which is a phthalate-based material, a method of manufacturing the same, and a method of analyzing the target material using the same, and the electrochemical aptamer biosensor may be simply manufactured and may conveniently and quickly measure the target material, and may have a wide measurable concentration range of the target material and a low detection limit and thus may accurately and precisely measure a concentration of the target material in a sample for analysis.

Abstract: Disclosed is a memory system using a heterogeneous data format, which provides a personalized recommendation algorithm function to an internet service user based on a plurality of items, which includes a user preference analyzer for each item that calculates a user preference value corresponding to each item of a analysis target service; and a memory that stores data related to the each item in a first data format or stores data related to the each item in a second data format with required bits less than the first data format, based on the user preference value of the each item.

Abstract: Disclosed is a method for manufacturing an oxide thin film transistor including forming a gate electrode on a substrate, forming an oxide semiconductor thin film provided on the substrate to be insulated from the gate electrode by using a first mask, forming an electrode on the oxide semiconductor thin film by using the first mask, applying an oxidizer in one area of the electrode, and annealing the electrode, on which the oxidizer is applied.

Abstract: The present invention relates to a detachable mixing device for a reproducible adenosine triphosphate (ATP) reaction of a commercial ATP optical measuring instrument and provides a mixing device for an ATP optical measuring instrument, the mixing device including a main body, a swab kit insertion part which is formed in the main body and provides an insertion space for an ATP reaction swab kit, a mixing module which is disposed around a lower perimeter of the swab kit insertion part and mixes a reactant in the inserted swab kit, and a coupling part disposed on one side surface of the main body and detachably attached to the ATP optical measuring instrument.

Abstract: An electric field shaping apparatus according to a present embodiment includes a substrate, a first electrode positioned on the substrate, a second electrode spaced apart from the first electrode, a power source configured to provide a voltage between the first electrode and the second electrode, and an insulating material with which the first electrode is coated, wherein one or more holes configured to shape an electric field generated between the first electrode and the second electrode are formed in the insulating material.

Abstract: The present invention relates to a MXene electrode for electronic products having excellent oxidation stability and flexibility and a method for manufacturing the same, and more specifically to a MXene electrode which has excellent stability from changes such as oxidation in a driving environment, excellent transparency and mechanical properties and high electrical conductivity such that it is appropriate to be used as a transparent electrode in electronic devices, and a method for manufacturing the same.

Abstract: The present invention provides an infrared selective emitter in which since infrared energy can be emitted in a desired wavelength band by adjusting a metamaterial having a repeating structure on a plane, infrared camouflage is possible by attaching to the surface of the shape of an object to be camouflaged, and at the same time, the infrared selective emitter has flexible characteristics that can be applied to curved surfaces without limitations on the shape of an object.

Abstract: An organic light emitting diode (OLED) display device includes a thin film transistor substrate including a first substrate, a thin film transistor disposed on the first substrate and a white organic light emitting diode (WOLED) electrically connected to the thin film transistor; a color filter substrate comprising a second substrate that faces the first substrate, and red, green and blue color filters disposed on the second substrate; a quantum dot pattern disposed on the WOLED of the thin film transistor substrate; and a refractive film disposed between the color filter substrate and the thin film transistor substrate provided with the quantum dot pattern.

Abstract: A synchronized piezoelectric and luminescence (SPL) material includes a core layer including light-emitting particles and a shell layer which is attached onto a surface of the core layer and includes ligands having a piezoelectric property. Therefore, a piezoelectric property and a luminescent property can be simultaneously implemented using a single SPL material in which piezoelectric ligands and light-emitting particles are chemically coupled.

Abstract: There is provided a scan cell placing method including calculating a weight of each scan cell from a deterministic pattern input to a plurality of scan cells, dividing the scan cells into a coverage group and a power group on the basis of the weights, forming a plurality of power subgroups from a result of providing a pseudo random pattern to scan cells belonging to the power group, and scheduling one or more of the power subgroups to reduce peak power in a test process.

Abstract: An apparatus for an artificial intelligence neural network based on co-evolving neural ordinary differential equations (NODEs) includes a main NODE module configured to provide a downstream machine learning task; and an attention NODE module configured to receive the downstream machine learning task and provide attention to the main NODE module, in which the main NODE module and the attention NODE module may influence each other over time so that the main NODE module outputs a multivariate time-series value at a given time for an input sample x.