Abstract: A method for self-interference canceller tuning for a near band radio includes receiving, in a first frequency band, an RF transmit signal of the near band radio; receiving, in a second frequency band, an RF receive signal of the near band radio; generating a self-interference cancellation signal from the RF transmit signal based on a set of configuration parameters; combining the self-interference cancellation signal with the RF receive signal to create a composite receive signal; and adapting the set of configuration parameters based on the compo-site receive signal.

Abstract: A tilting structure for providing a force for tilting a worm shaft of an electrically powered steering apparatus to a worm wheel includes: a guide block which is inserted into an insertion space of a housing of the electrically powered steering apparatus; an elastic member which is disposed within the guide block; and a plug which is movably disposed within the guide block and is elastically supported by the elastic member to exert a tilting force to a bearing which supports the worm shaft.

Abstract: The present invention relates to an underwater low temperature plasma generating device. The device includes: a first electrode of a tubular type; a second electrode that is arranged inside the first electrode to generate bubbles in water introduced into the first electrode; and an insulator arranged between the first electrode and the second electrode. The plasma generating device further includes a power supply. The plasma generating device generates low temperature plasma by generating an electric field underwater. The present invention has an advantageous effect of realizing a tubular low temperature intensive plasma generator that can sterilize contaminated water with low temperature plasma that is generated underwater.

Abstract: Disclosed therein are an extrusion die for synthetic wood which can provide a natural wood pattern similar with real wood by forming various wood patterns on the surface of synthetic wood manufactured through extrusion molding, manufacturing apparatus and method using the same, and synthetic wood manufactured by the same. The extrusion die includes: a pair of molds respectively having rectangular extrusion holes for allowing extrudates forming an inner layer to pass through the extrusion holes; and surface layer forming parts having flow paths which are oppositely formed on contact faces of the molds in such a way as to keep a predetermined gap and formed in a top and bottom asymmetrical manner for injecting other extrudates supplied, the surface layer forming parts serving to form a surface layer having different wood patterns on the outer circumference of the inner layer.

Abstract: A method for tuning an analog self-interference canceller includes detecting a tuning trigger, calculating a set of tuning parameters (the tuning parameters including complex weights for a set of taps of the analog self-interference canceller) in response to the tuning trigger, and applying the set of tuning parameters based on component calibration data.

Abstract: Provided are methods for changing a display range in an electronic device having a touchscreen. The method for changing a display range in an electronic device includes: detecting a plurality of touches; determining a plurality of regions in consideration of a plurality of touch points; and changing a display range of at least one region of the plurality of regions in consideration of change in a distance between the plurality of touch points.

Abstract: A method for adaptively-tuned digital self-interference cancellation comprises receiving a digital transmit signal; receiving a transform configuration; generating a set of signal components from the digital transmit signal; transforming the set of signal components into a digital self-interference cancellation signal according to the transform configuration; combining the digital self-interference cancellation signal with a receive signal to form a digital residue signal; detecting a trigger; in response to detecting the trigger: computing a ratio of the digital residue signal to the digital transmit signal; converting the ratio to the frequency-domain to form a frequency-domain-converted ratio; computing a frequency-domain self-interference channel between the transmitter and the receiver based on the frequency-domain-converted ratio; computing an inverse discrete Fourier transform matrix based on a portion of the discrete Fourier transform matrix; converting the frequency-domain self-interference channel t

Abstract: A method for pilot signal based self-interference cancellation tuning includes detecting a tuning trigger and in response to the tuning trigger, generating a pilot transmit signal according to the trigger data; and transmitting, at the transmitter, the pilot transmit signal; receiving, at the receiver, a pilot receive signal; cancelling, at the self-interference canceller, a portion of self-interference in the receive pilot signal, resulting in a composite pilot signal; analyzing the composite pilot signal; and tuning a configuration parameter of the self-interference canceller, based on analysis of the composite pilot signal, resulting in reduced self-interference in the composite pilot signal.

Abstract: A system and method for non-linear digital self-interference cancellation including a pre-processor that generates a first pre-processed digital transmit signal from a digital transmit signal of a full-duplex radio, a non-linear transformer that transforms the first pre-processed digital transmit signal into a non-linear self-interference signal according to a transform configuration, a transform adaptor that sets the transform configuration of the non-linear transformer, and a post-processor that combines the non-linear self-interference signal with a digital receive signal of the full-duplex radio.

Abstract: Disclosed is a polycarbonate article coated with a coating composition for glazing, and in particular, the polycarbonate article coated with the coating composition may have an adhesion property with a material made of polycarbonate, thereby protecting the material made of polycarbonate from ultraviolet rays and the like. In addition, among the coating composition, a primer layer from the coating composition may be applied on the material made of polycarbonate may provide and a hard coating layer painted on the primer layer, thereby providing abrasion resistance. The polycarbonate article of the present invention comprises a polycarbonate panel; a primer layer applied on the panel; and a hard coating layer applied on the primer layer.

Abstract: A semiconductor device with impedance calibration includes a first channel circuit of a first channel and a second channel circuit of a second channel. The first channel circuit is configured to drive a first node in response to a flag signal, generate a start signal from a signal of the first node to execute a first calibration operation in response to a mask signal, and generate and output an end signal after termination of the first calibration operation. The second channel circuit is configured to generate a transmission start signal from the end signal to execute a second calibration operation.

Abstract: Provided are particle size-controlled, chromium oxide particles or composite particles of iron oxide-chromium alloy and chromium oxide; a preparation method thereof; and use thereof, in which the chromium oxide particles or the composite particles of iron oxide-chromium alloy and chromium oxide having a desired particle size are prepared in a simpler and more efficient manner by using porous carbon material particles having a large pore volume as a sacrificial template. When the chromium oxide particles or the composite particles of iron oxide-chromium alloy and chromium oxide thus obtained are applied to gas-phase and liquid-phase catalytic reactions, they are advantageous in terms of diffusion of reactants due to particle uniformity, high-temperature stability may be obtained, and excellent reaction results may be obtained under severe reaction environment.

Abstract: Provided are methods for changing a display range in an electronic device having a touchscreen. The method for changing a display range in an electronic device includes: detecting a plurality of touches; determining a plurality of regions in consideration of a plurality of touch points; and changing a display range of at least one region of the plurality of regions in consideration of change in a distance between the plurality of touch points.

Abstract: The present invention provides an iron-carbide/silica composite catalyst that is highly reactive to a Fischer-Tropsch synthesis by firstly forming an iron-silicate structure having large specific surface area and well-developed pores through a hydrothermal reaction of an iron salt with a silica particle having a nanostructure, and then activating the iron-silicate structure in a high temperature carbon monoxide atmosphere. When using the iron-carbide/silica composite catalyst according to the present invention in the Fischer-Tropsch synthesis reaction, it is possible to effectively prepare liquid hydrocarbon with a high CO conversion rate and selectivity.

Abstract: This invention relates to a cobalt-based catalyst on a metal structure for selective production of synthetic oil via Fischer-Tropsch reaction, a method of preparing the same and a method of selectively producing synthetic oil using the same, wherein zeolite, cobalt and a support are mixed and ground to give a catalyst sol, which is then uniformly thinly applied on the surface of a metal structure using a spray-coating process, thereby preventing generation of heat during Fischer-Tropsch reaction and selectively producing synthetic oil having a carbon chain shorter than that of wax.

Abstract: A transmitting apparatus, a receiving apparatus and methods of controlling these apparatuses are provided. The transmitting apparatus includes: an input processor configured to process a plurality of input streams to generate a plurality of base band frames; a bit interleaved and coded modulation (BICM) processor configured to perform forward error correction (FEC) coding, constellation mapping, and interleaving on the plurality of baseband frames; a symbol generator configured to add signaling data to the plurality of baseband frames output from the BICM processor to generate an orthogonal frequency division multiplexing (OFDM) symbol; and a transmitter configured to select at least one of a plurality of pilot patterns based on a fast Fourier transform (FFT) size and a guard interval fraction, insert a pilot in the OFDM symbol according to the selected pilot pattern, and transmit a stream including the pilot-inserted OFDM symbol.

Abstract: The present invention relates to an egg-shell type hybrid structure of highly dispersed nanoparticles-metal oxide support, a preparation method thereof, and a use thereof. Specifically, the present invention relates to an egg-shell type hybrid structure of highly dispersed nanoparticles-metal oxide support, providing an excellent platform in a size of nanometers or micrometers which can support nanoparticles selectively in the porous shell portion by employing a metal oxide support with an average diameter of nanometers or micrometers including a core of nonporous metal oxide and a shell of porous metal oxides, a preparation method thereof, and a use thereof.

Abstract: The present invention relates to a method of methane steam reforming using a nickel/alumina nanocomposite catalyst. More specifically, the present invention relates to a method of carrying out methane steam reforming using a nickel/alumina nanocomposite catalyst wherein nickel metal nanoparticles are uniformly loaded in a high amount on a support via a melt infiltration method with an excellent methane conversion even under a relatively severe reaction condition of a high gas hourly space velocity or low steam supply, and to a catalyst for this method. In addition, the present invention prepares a nickel/silica-alumina hybrid nanocatalyst by mixing the catalyst prepared by the melt infiltration method as the first catalyst and the nickel silica yolk-shell catalyst as the second catalyst, and applies it to the steam reforming of methane to provide a still more excellent catalytic activity even under the higher temperature of 700° C. or more with the excellent methane conversion.

Abstract: This invention relates to a method of preparing an iron carbide/carbon nanocomposite catalyst containing potassium for high temperature Fischer-Tropsch (FT) synthesis reaction and the iron carbide/carbon nanocomposite catalyst prepared thereby, and a method of manufacturing a liquid hydrocarbon using the same and a liquid hydrocarbon manufactured thereby, wherein a porous carbon support is uniformly impregnated with an iron hydrate using melt infiltration, and potassium is also supported together via various addition processes, including a pre-addition process of a potassium salt which is ground upon impregnation with the iron hydrate, or a mid- or post-addition process of a potassium solution using incipient wetness impregnation after impregnation with the iron hydrate.

Abstract: The present invention relates generally to systems for controlling camera rigs. More particularly, the present invention relates to a system for controlling a camera rig that controls, using motors, the positions and orientations of a left-eye camera and a right-eye camera to capture a stereographic image. The system can more precisely and inexpensively process signals generated from the motors. The present invention provides a system for controlling a camera rig that provides an improved method of processing signals generated from the motors or the encoders, thereby minimizing error that may be caused by noise or the like while signals for controlling the motors are processed.