Abstract: Provided is an ultrasonic imaging apparatus capable of obtaining a more accurate shear wave elastic image by removing inefficient areas such as blood vessels using a shear wave observation signal in a section where an object is not affected by a push pulse, and a method for controlling the same. The ultrasonic imaging apparatus according to an embodiment includes: an ultrasonic probe configured to irradiate a push pulse, irradiate a first observation signal to the object after the push pulse is irradiated, and irradiate a second observation signal to the object; a controller configured to determine an inefficiency region of the object, and generate a shear wave elastic image based on the determined inefficiency region for each region of the object; and a display configured to display the generated shear wave elastic image.

Abstract: A display device including a liquid crystal layer is provided. The liquid crystal layer may be disposed between a first substrate and a second substrate. The liquid crystal layer overlapping with a display area may be surrounded by a seal member disposed on a bezel, which is disposed outside the display area. A black matrix between the liquid crystal layer and the second substrate may include first openings in the display area and at least one second opening disposed between the display area and the seal member. A dummy color pattern between the first substrate and the liquid crystal layer may include a region overlapping with the second opening of the black matrix and a region disposed between the display area and the second opening.

Abstract: A display device including a display panel, a circuit board connected to the display panel, and a flexible circuit film which connects the display panel to the circuit board, the flexible circuit film being bendable. The circuit board includes an electronic component, a first area at which the circuit board is connected to the flexible circuit film, and a second area which is adjacent to the first area and corresponds to the electronic component. The flexible circuit film which is bent disposes the first area of the circuit board overlapping the display panel, together with both the second area of the circuit board and the electronic component non-overlapping the display panel, along a thickness direction of the display device.

Abstract: A display apparatus for a vehicle includes a cockpit part including an opening, a guide part mounted within the cockpit part, a display unit disposed within the cockpit part, moved along the guide part so that the display unit has a curved line-shaped moving path and configured to appear and disappear through the opening, and a driving part configured to provide electric power to the display unit so that the display unit is moved on the guide part.

Abstract: An electronic device according to various embodiments comprises: a memory including instructions; and a processor that is electrically connected to the memory and executes the instructions. When the instructions are executed by the processor, the processor may: acquire a first traffic feature vector and a second traffic feature vector on the basis of traffic data generated in a wireless network device during a plurality of time intervals; generate a combined feature vector by combining the first traffic feature vector and the second traffic feature vector; and acquire predicted traffic data, to be generated in the wireless network device, on the basis of the combined feature vector. Various other embodiments are possible.

Abstract: An integrated circuit includes first power supply lines which extend in a first direction and are spaced apart from each other in a second direction different from the first direction. A second power supply line extends in the first direction and is placed between the first power supply lines adjacent to each other in the second direction. A decoupling filler cell is placed between the first power supply lines adjacent to each other in the second direction. The decoupling filler cell includes a decoupling capacitor region formed by a gate electrode and a decap transistor including a first source/drain region of a first conductive type. The gate electrode is connected to the second power supply line, the first source/drain region is connected to the first power supply lines, and the second power supply line passes through the decoupling capacitor region.

Abstract: Provided are a device for performing wireless communication to increase a data rate in a wireless communication system, an operating method of the device, and a wireless communication system including the device. A second device includes second antennas configured to transmit and receive radio frequency (RF) signals to and from a first device including first antennas in a wireless communication system, at least one RF chain configured to transmit and receive the RF signals to and from the second antennas, and a processing circuit configured to transmit and receive data signals to and from the at least one RF chain, wherein the processing circuit is further configured to adjust a spacing between the second antennas between the number of the first antennas, the number of the second antennas, and the number of the data signals.

Abstract: A power conversion system includes: a main battery configured to be recharged with power and to supply the recharged power to a motor, thereby supplying rotation force to a wheel of a vehicle; an auxiliary battery configured to recharge the main battery or to assist a power supply function of the main battery; and a power converter connected to auxiliary battery, the power converter comprising a bypass circuit and a buck converter. The buck converter includes a buck switch, and is configured to convert a voltage of the auxiliary battery into a voltage for recharging the main battery in accordance with an ON/OFF switching operation of the buck switch.

Abstract: The present invention relates to a polishing slurry composition. A polishing slurry composition according to an embodiment of the present disclosure comprises: a nonionic polymer having at least one amide bond; a selectivity control agent; and abrasive particles.

Abstract: Disclosed are a distributed matrix multiplication operation method and apparatus based on frame quantization, and a method and apparatus for performing distributed matrix multiplication operation in a plurality of computing nodes using coded computing based on frame quantization. In this way, high-dimensional matrix multiplication processing performance is improved.

Abstract: An embodiment stator for an axial flux permanent magnet (AFPM) motor includes a plurality of stator cores arranged in a circumferential direction, each stator core of the plurality of stator cores including a winding portion on which a coil is wound and end portions of a wedge shape on both sides of the winding portion, and a plurality of core support members, each core support member of the plurality of core support members including a pair of first support portions configured to support the end portions, a second support portion connecting a first end of a first one of the pair of first support portions to a first end of a second one of the pair of first support portions, and a third support portion connecting second ends of the pair of first support portions to each other.

Abstract: A method for a first communication node may include calculating a time delay value on the basis of a carrier frequency based on the number of antenna panels, the number of antennas of each antenna panel, and a space layer that can be generated using a plurality of antennas. The method may also include generating a frequency-dependent first phase shift matrix (PSM) according to each subcarrier by using the calculated time delay value. The method may also include multiplying the first PSM by a basic codebook so as to generate a first codebook for compensating for a beam squint of a beam generated through each antenna.

Abstract: A method for operation of a first communication node in an embodiment of a communication system may include the steps of: from among a plurality of transmission antenna elements constituting a first transmission antenna of the first communication node, determining a transmission candidate antenna group including one or more transmission antenna elements via which a wireless signal may be transmitted in the direction of a second communication node through a first lens; receiving information regarding a reception candidate antenna group from the second communication node; determining one or more antenna element combinations on the basis of the one or more transmission antenna elements included in the transmission candidate antenna group and one or more reception antenna elements included in the reception candidate antenna group; and performing, on the basis of the one or more antenna element combinations, wireless communication with the second communication node.

Abstract: An operation method of a first communication node in a communication system may include the steps of: transmitting, to a second communication node, a first indication including information about one or more repeaters; transmitting a first signal group corresponding to the one or more repeaters to the second communication node through the one or more repeaters; receiving, from the second communication node, a first response including a measurement result for the first signal group; determining a first repeater from among the one or more repeaters on the basis of the first response; determining beam combination information for one or more beam combinations between the first communication node, the first repeater, and the second communication node; and performing wireless communication with the first repeater and the second communication node.

Abstract: The present disclosure is a method for operating a first communication node in a communication system, comprising the steps of: transmitting a reference signal at predetermined intervals through each panel included in a multi-panel antenna of the first communication node, wherein the reference signal includes each panel index; receiving a measurement report corresponding to each panel from a second communication node, wherein the measurement report includes the panel index and a received signal received power value of a reference signal corresponding to the panel index; selecting a panel to be allocated to the second communication node on the basis of the measurement report; and transmitting a response signal including information on the selected panel to the second communication node.

Abstract: A communication method and device may compensate for temporal broadening in a communication system. An operation method of a first communication node in a communication system, in the present disclosure, may include the steps of: transmitting, on a preset cycle, a first signal block including a pilot signal; receiving temporal broadening information about the pilot signal from a second communication node; allocating a communication resource to the second communication node on the basis of the temporary broadening information if communication with the second communication node is required; and communicating with the second communication node by using the allocated communication resource.

Abstract: A method for operating a first communication node in a communication system includes the steps of: receiving a first command from a second communication node; identifying reference frequency information for determining, on the basis of the received first command, a lens to be applied to a first antenna that is included in the first communication node and includes a plurality of antenna elements; receiving first scheduling information indicating that a first signal is to be transmitted to the first communication node; determining, on the basis of the first scheduling information, a first frequency at which the first signal is transmitted; determining a first lens on the basis of the reference frequency information and the first frequency; and receiving a first signal incident on at least some of the plurality of antenna elements after being refracted from the first antenna through the first lens.

Abstract: A power conversion apparatus capable of simultaneously discharging swap batteries even while reducing the number of power circuits includes a secondary converter configured to convert alternating current (AC) power into direct current (DC) power, a main battery connected to the secondary converter to receive the DC power, a replaceable swap battery block connected to the secondary converter configured for simultaneous discharge with the main battery, a switching circuit configured to turn on or off electrical connection between the replaceable swap battery block and the secondary converter, and a bypass circuit configured to turn on or off electrical connection between the swap battery block and the main battery.

Abstract: A semiconductor device includes: a substrate; a plurality of memory cells positioned over the substrate, each of the plurality of memory cells having a multi-layer structure including a memory pattern; a sealing layer pattern filling a lower portion of a space between the memory cells, the lower portion being positioned below a bottom surface of the memory pattern; a liner layer pattern formed along a surface of an upper portion of the space to partially fill the upper portion; and a dielectric layer pattern filling a remaining portion of the space unfilled by the sealing layer pattern and the liner layer pattern.