摘要:
A photonic crystal type light modulator is provided. The photonic crystal type light modulator includes: a substrate; a first electrode disposed on the substrate; an active layer disposed on the first electrode, where an optical characteristic of the active layer changes according to application of an electric field; a second electrode disposed on the active layer; and a photonic crystal layer disposed on the second electrode and comprising a 2D grating.
摘要:
A method and an apparatus for managing a broadcast for a portable terminal receiving supplementary information related to the broadcast are provided. The method includes tuning a broadcasting receiver of the portable terminal to a frequency from among a plurality of frequencies of a broadcasting channel, receiving, by the broadcasting receiver, a broadcasting signal on the tuned frequency, determining whether a moving speed of the portable terminal is equal to or more than a predetermined speed when a broadcasting receiver is tuned to the frequency and is receiving a broadcasting signal, measuring a field strength of the received broadcasting signal when the moving speed of the portable terminal is equal to or greater than the predetermined speed, and controlling the broadcasting receiver to be tuned to another frequency in order to receive the broadcasting signal of the broadcasting channel when the measured field strength is less than a predetermined threshold.
摘要:
The present description relates to an olefin block copolymer with excellences in elasticity, heat resistance, and processability. The olefin block copolymer comprises a plurality of blocks or segments, each comprising an ethylene or propylene repeating unit and an α-olefin repeating unit at different mole fractions. The olefin block copolymer comprises polymer chains containing 20 to 100 short-chain branches (SCBs) per 1,000 carbon atoms. A point where a first derivative of the number Y of the SCBs per 1,000 carbon atoms of each polymer chain with respect to the molecular weight X of the polymer chain is 0 exists between the minimum and maximum values of the molecular weight X.
摘要:
Provided is an apparatus and method for iteratively detecting and decoding a received signal in a wireless communication system. An apparatus for iterative detection and decoding (IDD) in a wireless communication system may determine a predetermined group to be updated in a first soft decision sequence, may transmit detection control information of the determined group, and may generate a second soft decision sequence based on a detection operation result of a predetermined received signal portion that is extracted based on the detection control information.
摘要:
A method and an apparatus for managing a broadcast for a portable terminal receiving supplementary information related to the broadcast are provided. The method includes tuning a broadcasting receiver of the portable terminal to a frequency from among a plurality of frequencies of a broadcasting channel, receiving, by the broadcasting receiver, a broadcasting signal on the tuned frequency, determining whether a moving speed of the portable terminal is equal to or more than a predetermined speed when a broadcasting receiver is tuned to the frequency and is receiving a broadcasting signal, measuring a field strength of the received broadcasting signal when the moving speed of the portable terminal is equal to or greater than the predetermined speed, and controlling the broadcasting receiver to be tuned to another frequency in order to receive the broadcasting signal of the broadcasting channel when the measured field strength is less than a predetermined threshold.
摘要:
The present invention provides a non-metallocene transition metal compound that is easily produced, includes a tetrazol group having the high polymerization activity and high temperature stability in the polymerization of olefins, and a catalytic composition that includes the transition metal compound and a cocatalyst. In addition, the present invention provides a method for efficiently producing an olefin homopolymer or copolymer by using the catalytic composition.
摘要:
Embodiments for providing a color Doppler mode image are disclosed. In one embodiment, by way of non-limiting example, an ultrasound system comprises: an ultrasound data acquisition unit configured to transmit and receive ultrasound signals to and from a living body to acquire first ultrasound data and second ultrasound data; a user input unit configured to receive input information corresponding to a region of interest and a balance threshold value having a predetermined brightness value; and a processing unit configured to form a brightness mode image and a color Doppler mode image corresponding to the region of interest based on the first and second ultrasound data, respectively, form a balance mask for performing a balance process upon the color Doppler mode image based on the brightness mode image and the input information, and perform the balance process upon the color Doppler mode image based on the balance mask.
摘要:
A system for acquiring data of a multi-channel superconducting quantum interference device (SQUID) signal includes a digital converter connected to a SQUID sensor having a plurality of channels and configured to receive a voltage signal output from the plurality of channels and generate a channel-voltage serial digital signal having information about a channel from which the voltage signal is output and information about the voltage signal, and an optical fiber cable through which the channel-voltage serial digital signal is transmitted from the digital converter.
摘要:
The present disclosure relates to a medical diagnostic apparatus and a method of operating the same. The medical diagnosis apparatus performs measurement based on a preset diagnosis system environment in response to a measurement start instruction input from a user, and only if the apparatus receives an instruction for changing the diagnosis system environment, the apparatus performs measurement based on a changed diagnosis system environment in response to the instruction. In the apparatus and method, a workflow is arranged to perform measurement accurately, efficiently and safely, thereby reducing time for measurement or diagnosis and decreasing the occurrence of user error.