Abstract:
Disclosed herein are a method and an apparatus to transfer extrinsic information of a turbo decoder. According to the present invention, the method of transferring the extrinsic information of the turbo decoder comprises calculating log-likelihood ratio (LLR) values for input bits of the turbo decoder, and transferring the LLR values as extrinsic information values.
Abstract:
The magnetic resonance wireless power transmission/reception method using higher order mode resonance according to the present invention includes a process of matching a basic mode frequency signal with regard to a square wave type signal and a higher order mode frequency signal to a multiple band frequency signal, a process of simultaneously transmitting the matched basic mode frequency signal and higher order mode frequency signal to the reconceiving resonance screen, a process of converting the basic mode frequency received by the reconceiving resonance screen and the output impedance of a higher order mode frequency into the conjugation value of the input impedance of the higher mode frequency and the basic mode frequency of a receiver, and a process of converting the converted multiple band frequency signal to power required for a load and transmitting it to the load.
Abstract:
The present invention relates to a resonator structure for wireless power transmission. The resonator structure for the wireless power transmission according to the embodiment of the present invention includes a resonator for the wireless power transmission and a dielectric element which includes at least one exposure region to selectively expose a part of the resonator and fixes the resonator with a buried state.
Abstract:
The present invention is a video duplication detecting apparatus comprising: a frame structuring part for structuring temporally continuous frames by decoding inputted videos; a feature extracting part for extracting the features of a corresponding video from the frames structured by the frame structuring part and coding the extracted features; a database for storing the coded features of one or more videos; a feature matching part for determining duplication of videos according as a video having the same coded features as the videos coded by the feature extracting part is detected from the database; and a duplicated video removing part for removing the duplicated videos except one in case that the inputted videos are determined to be duplicated by the feature matching part. [Reference numerals] (110) Frame structuring part;(120) Feature extracting part;(130) Feature matching part;(150) Duplicated video removing part
Abstract:
PURPOSE: Operating methods of an encoding device and a decoding device are provided to reduce the number of code block retransmission by attempting re-decoding with extra code blocks when decoding has failed. CONSTITUTION: An encoding device combines code blocks. Extra code blocks are generated by the combination (S120). The code blocks and extra code blocks are encoded (S130). The encoded code blocks and encoded extra code blocks are transmitted to a decoding device. The encoded code blocks and encoded extra code blocks are decoded (S140). [Reference numerals] (AA) Encoding device; (BB) Decoding device; (S110) Form pairs of code blocks; (S120) Form extra code blocks by synthesizing pairs of code blocks; (S130) Encode pairs of code blocks and extra code blocks, and transmit the blocks via wireless frequency; (S140) Decode the received code blocks; (S150) Re-encode code blocks fail to be encoded; (S160) Request re-transmittance of code blocks fail to be re-decoded
Abstract:
도메인 라이센스 발급 장치, 방법 및 이에 의한 디지털 콘텐츠 재생 장치 및 방법을 제시한다. 제시된 도메인 라이센스 발급 장치는 도메인 내에서 디지털 콘텐츠의 공유를 위한 도메인 키를 생성하는 도메인 키 관리부, 도메인 키를 포함하는 도메인 라이센스를 생성하는 도메인 라이센스 생성부, 및 도메인에 속하는 기기로부터의 도메인 라이센스 발급 요청에 따라 도메인 라이센스를 전송하는 도메인 라이센스 발급부를 포함한다. 제시된 디지털 콘텐츠 재생 장치는 도메인 라이센스 발급 장치로부터의 도메인 라이센스에서 도메인 키를 추출하고 디지털 콘텐츠에 대응되는 도메인 공유 정보를 생성하여 디지털 콘텐츠 및 도메인 공유 정보를 하나의 세트로 하는 도메인 공유된 디지털 콘텐츠를 생성하는 도메인 클라이언트, 도메인 키를 이용하여 도메인 공유된 디지털 콘텐츠의 디지털 콘텐츠를 복호화하는 DRM 클라이언트, 및 복호화된 디지털 콘텐츠를 재생하는 재생기를 포함한다. 기기나 콘텐츠에 적용된 DRM 기술에 관계없이 정해진 도메인 내에서 콘텐츠의 공유가 가능하기 때문에 정당한 사용자에게 편의성을 제공함으로써 사용자들에게 DRM에 대한 거부감을 줄여줌으로써 콘텐츠 이용을 활성화시킬 수 있는 효과가 있다.
Abstract:
본 발명은 셀룰러, PCS, IMT-2000 등의 단말기의 유효 복사 전력 및 등가 유효 복사 전력(ERP/EIRP)을 측정하기 위한 장치와 방법에 관한 것이다. 본 발명에 따른 장치는, 복사 전력 측정 장치에 있어서, 결합기와 측정지그를 포함하는 차폐함체; 상기 측정지그를 구동하기 위한 구동부; 상기 측정지그에 치환안테나가 배치되면, 상기 치환안테나로 급전되는 급전신호를 발생하기 위한 신호발생기; 상기 신호발생기에서 발생된 급전신호를 상기 치환안테나로 전달하기 위한 급전신호 전송부; 및 상기 치환안테나에서 복사되는 복사 신호의 전력을 측정하기 위한 스펙트럼 분석기를 포함하되, 상기 급전신호 전송부는, 상기 신호발생기에서 발생된 급전신호를 광 신호로 변환하기 위한 전광변환기; 상기 변환된 광 신호를 전송하기 위한 광섬유; 및 상기 광섬유를 통해 전달받은 광 신호를 급전신호로 변환하여 상기 치환안테나로 제공하기 위한 광전변환기를 포함한다. 복사 전력, 실효 복사 전력, 유효 등방성 복사 전력
Abstract:
PURPOSE: A device and a method for extracting a musical highlight section are provided to offer a technique for extracting the musical highlight section for a listener so that the listener confirms desired music rapidly or the existence of preference with respect to the music easily. CONSTITUTION: A device(100) for extracting a musical highlight section includes: a frame dividing unit which divides an audio file into a plurality of frames having constant length; an average signal calculating unit(140) which calculates signals per each frame indicating the intensity of average audio energy with respect to samples included in each frame; and a highlight section selecting unit(160) which extracts low-frequency signals from the signals indicating the intensity of average audio energy per each frame, and determines a frame section including a maximum point of the low-frequency signals as the highlight section. [Reference numerals] (120) Frame dividing unit; (140) Average energy signal calculating unit; (160) Highlight section selecting unit; (180) Start point search unit; (AA) Audio file; (BB) Reproduce a highlight section
Abstract:
PURPOSE: A phase pattern estimating method using the intensity pattern of a near field or a fresnel field is provided to obtain an accurate remote field radiation pattern through an estimated phase pattern and the existing intensity pattern and obtain effective radiation power within a reduced time. CONSTITUTION: A phase pattern estimating method comprises the steps of: determining a first parameter group including a first distance, the actual distance between a source antenna and a probe, and an intensity pattern at the first distance(S301), predicting a second parameter group including a second distance, the effective distance between the source antenna and the probe, and the current phase distribution of the source antenna based on the first parameter group(S303), calculating an intensity pattern at the first distance based on the second parameter group(S305,S307), and determining a phase pattern at the first distance when the calculated intensity pattern at the first distance is identical to the first-distance intensity pattern included in the first parameter group(S309).
Abstract:
PURPOSE: An apparatus for transmitting and receiving energy is provided to control a resonant property without an additional circuit by controlling structural properties of components. CONSTITUTION: An energy transmitting and receiving system includes an energy transmitting device(10) and an energy receiving device(20). The energy transmitting device includes a transmission feeding cable(100), a transmission inductor(110), a transmission metal electrode(120), a transmission cavity(130), and a transmission ground rod(140). The transmission feeding cable receives an AC power source. The transmission metal electrode transmits the AC power source to a reception metal electrode by the AC flowing in the transmission inductor. The position, length, or diameter of the transmission ground rod are controlled to control a resonant frequency generated by the transmission inductor.