公开(公告)号：US20120076226A1

公开(公告)日：2012-03-29

申请号：US13312771

申请日：2011-12-06

申请人： Byoung Gill KIM ,  In Hwan CHOI ,  Woo Chan KIM ,  Jae Hyung KIM ,  Hyoung Gon LEE ,  Jong Moon KIM

发明人： Byoung Gill KIM ,  In Hwan CHOI ,  Woo Chan KIM ,  Jae Hyung KIM ,  Hyoung Gon LEE ,  Jong Moon KIM

IPC分类号： H04L23/02

CPC分类号： H04L27/04 ,  H04L1/006 ,  H04L1/007

摘要： A digital television (DTV) transmitter and a method of processing known data in the DTV transmitter are disclosed. The method of processing known data in a digital television (DTV) transmitter includes generating a known data sequence, trellis-encoding the known data sequence, the trellis-encoded known data sequence having upper, middle, and lower bits, wherein at least one of the upper, middle, and lower bits has an m-sequence property, and mapping the trellis-encoded known data sequence into one of 2-level, 4-level, and 8-level data sequences, wherein the mapped data sequence has substantially an m-sequence property, wherein a data sequence has an m-sequence property when a peak value among auto-correlation values of the data sequence having a length of N is 1 and all the off-peak auto-correlation values are −1/N.

摘要翻译： 公开了一种数字电视（DTV）发射机和处理DTV发射机中的已知数据的方法。 处理数字电视（DTV）发射机中的已知数据的方法包括：生成已知数据序列，对已知数据序列进行网格编码，具有上，中，低位的网格编码的已知数据序列，其中至少一个 上位，中位和低位具有m序列属性，并且将网格编码的已知数据序列映射为2级，4级和8级数据序列之一，其中映射的数据序列具有基本上 m序列特性，其中当长度为N的数据序列的自相关值中的峰值为1并且所有非高峰自相关值为-1 / N时，数据序列具有m序列特性 。

公开(公告)号：US20120002730A1

公开(公告)日：2012-01-05

申请号：US13231736

申请日：2011-09-13

申请人： Hyoung Gon LEE ,  In Hwan CHOI ,  Kook Yeon KWAK ,  Byoung Gill KIM ,  Won Gyu SONG ,  Sung Ryong HONG ,  Jong Moon KIM ,  Jae Hyung KIM ,  Jin Woo KIM

发明人： Hyoung Gon LEE ,  In Hwan CHOI ,  Kook Yeon KWAK ,  Byoung Gill KIM ,  Won Gyu SONG ,  Sung Ryong HONG ,  Jong Moon KIM ,  Jae Hyung KIM ,  Jin Woo KIM

IPC分类号： H04N7/68 ,  H04N7/26

CPC分类号： H03M13/03 ,  H03M13/033 ,  H04N21/235 ,  H04N21/23614 ,  H04N21/2383 ,  H04N21/4348

摘要： A digital television transmitting system includes a frame encoder, a block processor, a group formatter, and a multiplexer. The frame encoder forms an enhanced data frame and encodes the data frame for error correction and for error detection. The block processor further encodes the encoded data frame at a rate of 1/2 or 1/4, and the group formatter divides the encoded data frame into a plurality of enhanced data blocks and maps the divided data blocks into a plurality of enhanced data groups, respectively. The multiplexer multiplexes the enhanced data groups with main data.

摘要翻译： 数字电视发送系统包括帧编码器，块处理器，组格式化器和多路复用器。 帧编码器形成增强数据帧，并且对数据帧进行编码以进行纠错和错误检测。 块处理器以1/2或1/4的速率进一步编码编码数据帧，并且组格式器将编码数据帧划分成多个增强数据块，并将划分的数据块映射到多个增强数据组 ， 分别。 复用器将增强型数据组与主数据复用。

公开(公告)号：US20120066565A1

公开(公告)日：2012-03-15

申请号：US13299296

申请日：2011-11-17

申请人： In Hwan CHOI ,  Kyung Won KANG ,  Kook Yeon KWAK ,  Byoung Gil KIM ,  Woo Chan KIM ,  Jae Hyung KIM ,  Hyoung Gon LEE ,  Jong Moon KIM

发明人： In Hwan CHOI ,  Kyung Won KANG ,  Kook Yeon KWAK ,  Byoung Gil KIM ,  Woo Chan KIM ,  Jae Hyung KIM ,  Hyoung Gon LEE ,  Jong Moon KIM

IPC分类号： H03M13/29 ,  G06F11/10

CPC分类号： H03M13/27 ,  H03M13/2936 ,  H03M13/3972 ,  H04H20/31 ,  H04H20/95 ,  H04H60/07 ,  H04N19/30 ,  H04N21/23614 ,  H04N21/2383 ,  H04N21/4345 ,  H04N21/4348 ,  H04N21/4382 ,  H04N21/8126

摘要： A DTV transmitter includes a pre-processor pre-processing enhanced data, a data formatter generating enhanced data packets including the pre-processed data and inserting known data place holders to the data packets, and a multiplexer multiplexing the enhanced data packets with main data packets. It further includes an RS encoder which RS-codes the multiplexed data packets, and a data interleaves which interleaves the RS-coded data packets. The RS encoder adds systematic RS parity data to each main data packet and adds non-systematic RS parity place holders to each enhanced data packet. The RS encoder adds the RS parity place holders such that the RS parity place holders are placed after the enhanced data within each interleaved enhanced data packet.

摘要翻译： 数字电视发射机包括预处理器预处理增强数据，数据格式化器生成包括预处理数据的增强数据分组并将已知数据占位符插入到数据分组，以及复用多路复用增强数据分组与主数据分组 。 它还包括对多路复用数据分组进行RS编码的RS编码器以及对RS编码的数据分组进行交织的数据交织。 RS编码器将系统RS奇偶校验数据添加到每个主数据分组，并将非系统RS奇偶校验位保持器添加到每个增强数据分组。 RS编码器加上RS奇偶校验位置保持器，使得RS奇偶校验位保持器放置在每个交织的增强数据分组内的增强数据之后。

公开(公告)号：US20110242857A1

公开(公告)日：2011-10-06

申请号：US12881624

申请日：2010-09-14

申请人： Jin Wook KIM ,  Tae Won LEE ,  Dong Seong OH ,  Yong Hyok JI ,  Byoung Kuk LEE ,  Chung Yuen WON ,  Jae Hyung KIM ,  Young Ho KIM

发明人： Jin Wook KIM ,  Tae Won LEE ,  Dong Seong OH ,  Yong Hyok JI ,  Byoung Kuk LEE ,  Chung Yuen WON ,  Jae Hyung KIM ,  Young Ho KIM

IPC分类号： H02M3/335

CPC分类号： H02M7/537 ,  H02J3/385 ,  Y02E10/58

摘要： Disclosed are a maximum power point tracker, a power conversion controller, a power conversion device having an insulating structure, and a method for tracking maximum power point. The power conversion device includes: a DC/AC converter including a primary DC chopper unit having a primary switch, a transformer, and an AC/AC conversion unit including a secondary switch; a current detector detecting current from an input stage of the DC/AC converter and providing a detected current value; a voltage detector detecting a system voltage from an output stage of the DC/AC converter; and a power conversion controller generating a primary PWM signal to be provided to the primary DC chopper unit and secondary first and second PWM signals, having the mutually opposing phases, to be provided to the AC/AC conversion unit by using the detected current value and the system voltage.

摘要翻译： 公开了一种最大功率点跟踪器，电力转换控制器，具有绝缘结构的功率转换装置和用于跟踪最大功率点的方法。 电力转换装置包括：DC / AC转换器，包括具有初级开关的初级DC斩波器单元，变压器和包括次级开关的AC / AC转换单元; 电流检测器，检测来自DC / AC转换器的输入级的电流，并提供检测到的电流值; 电压检测器，检测来自DC / AC转换器的输出级的系统电压; 以及电力转换控制器，其通过使用检测到的电流值，将要提供给初级DC斩波器单元的初级PWM信号和具有相互相反的相位的次级第一和第二PWM信号提供给AC / AC转换单元;以及 系统电压。

公开(公告)号：US20110051869A1

公开(公告)日：2011-03-03

申请号：US12873734

申请日：2010-09-01

申请人： Hyung Jung KIM ,  Jae Hyung KIM

发明人： Hyung Jung KIM ,  Jae Hyung KIM

IPC分类号： H04B1/10

CPC分类号： H04B1/0085 ,  H04B1/28

摘要： A receiving apparatus includes: RF filters for selecting and outputting a signal to be down-converted from among a plurality of received signals having different bands; a phase conversion unit for generating a phase difference between output signals of the filters and down-converting the output signals of the filters to output a plurality of sample signals; a quantization unit for converting the plurality of sample signals from discrete signals into digital signals; and a signal separation unit for separating and outputting each of a plurality of output signals corresponding to the plurality of received signals from the output signals of the quantization unit by using a phase shift value caused by the phase difference.

摘要翻译： 一种接收装置，包括：RF滤波器，用于从具有不同频带的多个接收信号中选择和输出要降频转换的信号; 相位转换单元，用于产生滤波器的输出信号之间的相位差，并对滤波器的输出信号进行下变频，以输出多个采样信号; 用于将来自离散信号的多个采样信号转换为数字信号的量化单元; 以及信号分离单元，用于通过使用由相位差引起的相移值，从量化单元的输出信号中分离并输出与多个接收信号相对应的多个输出信号。

公开(公告)号：US20080240295A1

公开(公告)日：2008-10-02

申请号：US12058292

申请日：2008-03-28

申请人： Jae Hyung KIM

发明人： Jae Hyung KIM

IPC分类号： H03D1/24

CPC分类号： H04L27/066 ,  H04L7/0029 ,  H04L7/0335

摘要： An apparatus for recovering carrier wave in digital broadcasting receiver and a method therefore are disclosed which are capable of easily detecting and correcting frequency offsets of carrier wave without recourse to a pilot signal in a digital broadcasting receiver receiving a broadcasting signal of vestigial sideband (VSB) modulation system, thereby recovering the carrier wave, wherein, to this end, a complex sine wave whose central frequency is 1/n the symbol frequency is multiplied to generate a real component and imaginary Offset Quadrature Amplitude Modulation (OQAM) signals to calculate a phase error value from the real and imaginary component OQAM signals, to generate a complex sine wave compensating the calculated phase error value, to multiply the complex sine wave by the complex signal outputted from the phase splitter and to convert the complex signal to a baseband signal whose frequency offset is corrected.

摘要翻译： 一种用于在数字广播接收机中恢复载波的装置和一种方法，其可以容易地检测和校正载波的频率偏移，而不需要在接收残留边带（VSB）的广播信号的数字广播接收机中使用导频信号， 调制系统，从而恢复载波，其中为此，将中心频率为符号频率的1 / n的复数正弦波相乘以产生实分量和虚偏移正交幅度调制（OQAM）信号以计算相位 来自实分量和虚分量OQAM信号的误差值，以产生补偿计算出的相位误差值的复正弦波，以将复数正弦波乘以由分相器输出的复信号，并将复信号转换为基带信号， 频偏被校正。

公开(公告)号：US20110255307A1

公开(公告)日：2011-10-20

申请号：US12906425

申请日：2010-10-18

申请人： Tae Hoon KIM ,  Jae Hyung KIM ,  Jun Gu KIM ,  Yong Hyok JI ,  Chung Yuen WON ,  Doo Young SONG ,  Byoung Kuk LEE ,  Dong Seong OH ,  Tae Won LEE ,  Jin Wook KIM

发明人： Tae Hoon KIM ,  Jae Hyung KIM ,  Jun Gu KIM ,  Yong Hyok JI ,  Chung Yuen WON ,  Doo Young SONG ,  Byoung Kuk LEE ,  Dong Seong OH ,  Tae Won LEE ,  Jin Wook KIM

IPC分类号： H02M7/00

CPC分类号： H02J3/383 ,  H02M1/12 ,  H02M7/53875 ,  Y02E10/563

摘要： There are provided an apparatus and a method for controlling the power quality of a power generation system. According to the present invention, there is provided an apparatus for controlling the power quality of a power generation system including a DC/AC inverter converting DC voltage into AC voltage and supplying inverter current to a grid, including: a grid voltage phase follower generating a grid signal; a fundamental extractor extracting a magnitude of a fundamental wave of a load current introduced into a non-linear load connected between the DC/AC inverter and the grid; a first calculator subtracting a preset current compensation value from the magnitude of the fundamental wave from the fundamental extractor; and a second calculator generating an inverter current instruction value for the DC/AC inverter by using the output value of the first calculator and the grid signal and the load current from the grid voltage phase follower.

摘要翻译： 提供了一种用于控制发电系统的电力质量的装置和方法。 根据本发明，提供了一种用于控制发电系统的电力质量的装置，该发电系统包括将DC电压转换为AC电压并将逆变器电流提供给电网的DC / AC逆变器，包括：电网电压相位跟随器， 电网信号; 提取引入到DC / AC逆变器和电网之间的非线性负载的负载电流的基波的大小的基本提取器; 第一计算器从基波提取器从基波的幅度减去预设电流补偿值; 以及第二计算器，通过使用第一计算器的输出值和电网信号以及来自电网电压相位跟随器的负载电流，为DC / AC逆变器产生逆变器电流指令值。

公开(公告)号：US20110309684A1

公开(公告)日：2011-12-22

申请号：US12950534

申请日：2010-11-19

申请人： Doo Young SONG ,  Tae Hoon KIM ,  Tae Won LEE ,  Don Sik KIM ,  Jin Wook KIM ,  Jae Hyung KIM ,  Jun Gu KIM ,  Yong Hyok JI ,  Chung Yuen WON ,  Byoung Kuk LEE

发明人： Doo Young SONG ,  Tae Hoon KIM ,  Tae Won LEE ,  Don Sik KIM ,  Jin Wook KIM ,  Jae Hyung KIM ,  Jun Gu KIM ,  Yong Hyok JI ,  Chung Yuen WON ,  Byoung Kuk LEE

IPC分类号： H02J3/08

CPC分类号： H02J3/00 ,  H02J3/08 ,  H02J3/383 ,  H02J2003/388 ,  Y02E10/563 ,  Y10T307/735 ,  Y10T307/826 ,  Y10T307/852 ,  Y10T307/858

摘要： There is provided an apparatus for the anti-islanding of a power conditioning system. The apparatus for the anti-islanding of a power conditioning system according to the present invention is applied to a power conditioning system including a DC/DC converter and a DC/AC inverter in order to transfer power from a solar cell array to a grid. The apparatus for the anti-islanding of a power conditioning system may include an injection signal generator generating an injection signal, an adder generating a final fundamental wave command value, a main controller performing the power control according to the final fundamental wave command value and stopping the operation of the power conditioning system when the level of the detected injection signal has reached the predetermined reference level or more, and an injection signal detector detecting the injection signal included in voltage and providing them to the main controller.

摘要翻译： 提供了用于电力调节系统的防孤岛的装置。 根据本发明的用于电力调节系统的防孤岛的装置应用于包括DC / DC转换器和DC / AC逆变器的功率调节系统，以便将功率从太阳能电池阵列传送到电网。 用于电力调节系统的防孤岛的装置可以包括产生喷射信号的喷射信号发生器，产生最终基波指令值的加法器，根据最终基波指令值执行功率控制的主控制器和停止 当检测到的喷射信号的电平达到预定的参考水平或更高时，功率调节系统的操作;以及喷射信号检测器，检测包括在电压中的喷射信号并将其提供给主控制器。

公开(公告)号：US20100330949A1

公开(公告)日：2010-12-30

申请号：US12793124

申请日：2010-06-03

申请人： Hyung Jung KIM ,  Jae Hyung KIM

发明人： Hyung Jung KIM ,  Jae Hyung KIM

IPC分类号： H04B1/16

CPC分类号： H04B1/24 ,  H04B1/005

摘要： The present invention receives simultaneously RF signal of different frequency band and processes the RF signal received, at this time a BPS receiver minimizes aliasing generated by RF signal. The present invention comprises a sampling process unit which samples a signal summing a first RF signal and a second RF signal of different frequency bands with time gap, a quantization process unit which generates a first stream signal and a second stream signal, a digital signal down-converted through respective time information in the signal summing the first RF signal and the second RF signal and a signal process unit which performs FIR filtering with reference to phase shift for a respect frequency band of the first stream signal and the second stream signal, separates the first RF signal and the second RF signal based on a result of the performance.

摘要翻译： 本发明同时接收不同频带的RF信号并处理所接收的RF信号，此时BPS接收机将由RF信号产生的混叠最小化。 本发明包括采样处理单元，其对具有时间间隔的不同频带的第一RF信号和第二RF信号求和的信号进行采样，产生第一流信号和第二流信号的量化处理单元，数字信号向下 通过对第一RF信号和第二RF信号求和的信号中的各个时间信息进行转换，以及参考第一流信号和第二流信号的相关频带的相移执行FIR滤波的信号处理单元， 第一RF信号和第二RF信号基于性能的结果。

公开(公告)号：US20100158172A1

公开(公告)日：2010-06-24

申请号：US12555225

申请日：2009-09-08

申请人： Hyung Jung KIM ,  Jae Hyung KIM

发明人： Hyung Jung KIM ,  Jae Hyung KIM

IPC分类号： H04B1/10

CPC分类号： H04B1/0003 ,  H04B1/30

摘要： Disclosed is a digital direct conversion receiver including a clock generation and a distribution unit to generate a clock signal having a time difference that generates a predetermined phase difference, a Track & Holder (T&H) to perform sampling of a radio frequency (RF) signal selected by a tunable RF filter with a selected sampling frequency and down converting of the sampled signal, and to generate the predetermined phase difference between sampled signals by using the clock signal having the time difference during the down-conversion, an analog-digital (AD) converter to generate a sample stream having phase difference information from the down-converted sampled signal, and a complex interpolant to eliminate an image component from the sample stream using a phase difference between a plurality of sample streams.

摘要翻译： 公开了一种数字直接转换接收机，包括时钟生成和分配单元，用于产生具有产生预定相位差的时差的时钟信号，轨道和持有者（T＆amp; H），以对所选择的射频（RF）信号进行采样 通过具有选择的采样频率的可调谐RF滤波器和采样信号的下变频，并且通过使用在下变频期间具有时间差的时钟信号来产生采样信号之间的预定相位差，模数（AD） 转换器以产生具有来自下变频采样信号的相位差信息的样本流，以及使用多个采样流之间的相位差从样本流中消除图像分量的复数内插器。