Abstract: Disclosed is an apparatus for cable inspection, which inspects an aerial cable used in electric power transmission, the apparatus including: first and second plates spaced apart from each other; a lower clamp disposed on the first plate; an upper clamp disposed on the second plate to face the lower clamp and having a through hole in a vertical direction; a distance adjustment unit configured to adjust a separation distance between the first and second plates; an indenter indented in a coating of the cable through the through hole; a first load cell configured to measure an indentation force of the indenter and to output a signal corresponding to the measured indentation force; a second load cell disposed under the lower clamp and configured to measure pressure applied to the cable and to output a signal corresponding to the measured pressure; and an indenter moving unit configured to control movement of the indenter.

Abstract: Provided are an apparatus and method for grouping multiple user data and transmitting the grouped data in a multiple antenna system. According to the method, a plurality of user groups are configured, and at least one antenna group is assigned to the plurality of user groups. Then, user signals for each user group are combined using at least one user multiplexing method to generate a user group signal, and a plurality of user group signals are combined using at least one group multiplexing method. Then, the combined user group signal is transmitted to a plurality of users belonging to the plurality of user groups using the at least one antenna group.

Abstract: Provided is a gyroscope using a surface acoustic wave (SAW) and an angular velocity measurement method. The gyroscope includes an SAW resonator generating a first SAW, generating Coriolis force using an interaction between a velocity component of the first SAW and applied angular velocity on a metallic dot layer disposed in a certain position, and generating a second SAW using the Coriolis force, an SAW sensing oscillator generating a third SAW and receiving a fourth SAW, which is the third SAW reflected and returning after causing interference due to the second SAW, and a measurement device measuring a level of the applied angular velocity using variations in time of receiving the fourth SAW.

Abstract: A location-based content-centric networking method for location-based content is provided. The location-based content-centric networking method may include: naming location-based content in such a manner that the name given to the location-based content includes a hierarchical prefix corresponding to information contained in the location-based content; and forwarding the location-based content based on prefix information of the location-based content.

Abstract: Provided are a motion estimation method and a motion estimation apparatus. The motion estimation apparatus includes a first register storing information on whether to detect first detection positions, a second register storing information on distances and number information of valid distance information, a controller receiving a command, a shifter, in response to the shift-enable signal, shifting and outputting reference data in a detection region of a reference frame and outputting the received reference data as it is, a selector, in response to the selection signal, selecting and outputting a part of output data of the shifter or outputting the whole output data, a process element (PE) array receiving current data of a current frame, and a comparator generating operation results for respective block sizes using operation results of the plurality of the PEGs.

Abstract: Provided is a phase shifter using a substrate integrated waveguide (SIW). The phase shifter includes: a substrate; and a waveguide integrated on the substrate, wherein the waveguide includes an input port, an out port, two columns of via walls which are separated by a width of the waveguide and are arranged parallel to each other, and either a plurality of air holes which are formed to shift a phase of a signal between the input port and the output port or a plurality of rods, each including an air hole and a dielectric material inserted into the air hole.

Abstract: Provided is a method of nitriding a surface of aluminum or aluminum alloy by cold spraying. That is, a surface of aluminum or aluminum alloy is coated by cold spraying, and then a heat treatment is performed thereon at low temperature for a short time period. Accordingly, the method is suitable for nitriding a surface of Al and Al alloy, which is very difficult to be nitrided, at low production costs. The method includes removing a foreign material from a surface of a mother substrate comprising Al or Al alloy; cold spraying 15 to 50 wt % of a catalyst powder and 50 to 85 wt % of a coating agent powder on the surface of the mother substrate to form a coating layer; and heat treating the coating layer at a temperature of 450 to 630° C. in a nitrogen atmosphere for 2 to 24 hours.

Abstract: A wireless measurement device includes a sound acoustic wave (SAW)-based micro sensor converting a wirelessly received pulse signal into an SAW and generating a plurality of pulse signals by reflecting the SAW, and wirelessly transmitting the plurality of pulse signals to measure a variance of an environmental element; and a reader generating and wirelessly transmitting a pulse signal to the SAW-based micro sensor to measure variances in environmental elements.

Abstract: Disclosed are a cooling system for a vehicle and a control method for a cooling system. The cooling system may include an electric water pump configured to circulate coolant, an active air flap apparatus configured to actively control an air amount introduced into an engine room of the vehicle, a radiator configured to supply the coolant to an engine, a fan configured to cool the coolant of the radiator, and a control unit configured to control the electric water pump, the air flap apparatus, and the fan depending on a driving state and condition of the vehicle, in which the radiator is directly connected to the electric water pump without a thermostat or a control value being interposed between the radiator and the electric water pump.

Abstract: Provided is a composition and a kit for separating a cancer stem cell or a circulating tumor cell, a method of separating a cancer stem cell or a circulating tumor cell in a biological sample, and a method for diagnosing metastatic cancer.

Abstract: Provided is a gyroscope using a surface acoustic wave (SAW) and an angular velocity measurement method. The gyroscope includes an SAW resonator generating a first SAW, generating Coriolis force using an interaction between a velocity component of the first SAW and applied angular velocity on a metallic dot layer disposed in a certain position, and generating a second SAW using the Coriolis force, an SAW sensing oscillator generating a third SAW and receiving a fourth SAW, which is the third SAW reflected and returning after causing interference due to the second SAW, and a measurement device measuring a level of the applied angular velocity using variations in time of receiving the fourth SAW.

Abstract: Provided are an apparatus and a method for monitoring a dangerous situation of a human body. The dangerous situation such as the apnea or suffocation of the human body is determined based on variations in one of a cardiac impulse amplitude signal and a respiration amplitude signal of the human body and is transmitted to a wired or wireless terminal, thereby monitoring the dangerous situation of the human body in a sleep state.

Abstract: A cooling system of a vehicle may include a high and low temperature radiators that cool a high and low temperature coolants respectively circulating an engine and passing a water cooled intercooler and a low exhaust gas recirculation cooler of a turbo charger, a cooling fan that blows air to the high temperature radiator and the low temperature radiator, a high temperature coolant pump that pumps the high temperature coolant, a low temperature coolant pump that pumps the low temperature coolant, and a control portion that controls the high temperature coolant pump, the low temperature coolant pump, and the cooling fan according to driving conditions of the vehicle and environmental conditions. A controlling method may include detecting driving conditions of the vehicle and environmental conditions, setting an operating target for the cooling system and/or a lubrication system, and determining operating conditions for the cooling system and/or the lubrication system.

Abstract: Provided are a motion estimation method and a motion estimation apparatus. The motion estimation apparatus includes a first register storing information on whether to detect first detection positions, a second register storing information on distances and number information of valid distance information, a controller receiving a command, a shifter, in response to the shift-enable signal, shifting and outputting reference data in a detection region of a reference frame and outputting the received reference data as it is, a selector, in response to the selection signal, selecting and outputting a part of output data of the shifter or outputting the whole output data, a process element (PE) array receiving current data of a current frame, and a comparator generating operation results for respective block sizes using operation results of the plurality of the PEGs.

Abstract: Provided is an acousto-optic device including an elastic medium; a meta structure formed on a first surface of the elastic medium, and an elastic-wave generating unit which generates an elastic wave in the elastic medium. The meta structure includes a first layer and a second layer that is formed on the first layer. The at least one of the first layer and the second layer includes a predetermined repetitive pattern.

Abstract: There is provided a pre-treatment method for improving an adhesion of a thin film which includes: preparing a base metal including a single metal or alloy; preparing a coating powder including powder of one or more single metals or an alloy thereof; forming a porous metal coating layer on a surface of the base metal, on which a thin film is to be deposited, by cold-spraying the coating powder and a process gas to the surface of the base metal; and depositing the thin film on the coating layer, wherein the thin film includes metal.

Abstract: Provided are nanoparticles passivated with a cationic metal-chalcogenide complex (MCC) and a method of preparing the same.

Abstract: An open framework system for both heterogeneous computing and service integration includes Wrappers both registering and administrating services by service having similar function, a framework transferring an execution result of a service to the applications after discovering the service through the Wrappers and invocating the service in case of receiving a message requesting the service from the applications, a message broker transferring messages between the applications and the framework, and an external module converting the protocols for meeting specification of the Wrapper for an existing service in an open framework system for both heterogeneous computing and service integration efficiently establishing USS (Ubiquitous Smart Space) by systematically integrating services of various protocols using in a plurality of applications under ubiquitous environment.

Abstract: A method of generating a dynamic group key of a group formed of a plurality of nodes, the method including: unicasting a public key that is based on respective secret keys of each of a plurality of general nodes excluding a master node, which is one of the plurality of nodes, wherein the unicasting is performed by the general nodes; broadcasting to the group an encryption value obtained by exponentially-calculating a secret key of the master node to the plurality of public keys, wherein the broadcasting is performed by the master node upon receiving the plurality of public keys; and obtaining a group key by using an inverse power-calculation of the respective secret keys of each of the general nodes based on the encryption value, wherein the obtaining is performed by the general nodes.

Abstract: There are provided an automatic vision sensor placement apparatus and method which analyze static spatial information in various aspects, calculate priorities of spaces using an agent that models the movement pattern of a user, suggest a method of effectively covering a given space, provide a camera placement method to appropriately install cameras with various levels of performance in a specified space, and calculate the optimal number of cameras to be installed based on installation cost.