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    • 1. 发明申请
    • Apparatus and method for correcting frequency offset in satellite digital video broadcasting system
    • 卫星数字视频广播系统频偏校正装置及方法
    • US20070133725A1
    • 2007-06-14
    • US11636243
    • 2006-12-08
    • Tae-Hoon KimPan-Soo KimDae-Ig ChangDeock-Gil OhSeong-Jun Lee
    • Tae-Hoon KimPan-Soo KimDae-Ig ChangDeock-Gil OhSeong-Jun Lee
    • H04N7/20H04L7/00
    • H04B7/18523H04L27/2657H04L27/2672H04L27/2676
    • Provided are an apparatus and method for correcting a frequency offset in a satellite digital video broadcasting system. The apparatus includes: a frequency response transformer for receiving a satellite digital video broadcasting signal and acquiring a plurality of frequency responses divided into a positive frequency part and a negative frequency part; a rotation/difference value calculation unit for selecting one of the plurality of frequency responses inputted from the frequency response transformer and calculating a first area difference value indicating a difference in area between the positive frequency part and the negative frequency part without rotation for the selected frequency response, and calculating a second area difference value indicating a difference in area between the positive frequency component and the negative frequency component with rotation for the remaining frequency responses; a zero intersection point calculator for dividing an average slope of a straight line formed by the first area difference value and the second area difference value by the first area difference value, and calculating a zero intersection point of an area difference value on the straight line; and a frequency offset estimator for correcting the zero intersection point provided from the zero intersection point calculator to thereby estimate the frequency offset.
    • 提供了一种用于校正卫星数字视频广播系统中的频率偏移的装置和方法。 该装置包括:频率响应变压器,用于接收卫星数字视频广播信号并获取分成正频率部分和负频率部分的多个频率响应; 旋转/差值计算单元,用于选择从频率响应变换器输入的多个频率响应中的一个频率响应,并且计算指示正频率部分和负频率部分之间的面积差的第一区域差值,而不是所选频率的旋转 响应,并且计算指示所述正频率分量和所述负频率分量之间的区域的差异的第二面积差值,其中所述正频率分量和所述负频率分量之间的剩余频率响应的旋转; 零交叉点计算器,用于将由第一区域差值和第二区域差值形成的直线的平均斜率除以第一区域差值,并且计算直线上的区域差值的零交叉点; 以及频率偏移估计器,用于校正从零交叉点计算器提供的零交叉点,从而估计频率偏移。
    • 2. 发明授权
    • Apparatus and method for correcting frequency offset in satellite digital video broadcasting system
    • 卫星数字视频广播系统频偏校正装置及方法
    • US07720182B2
    • 2010-05-18
    • US11636243
    • 2006-12-08
    • Tae-Hoon KimPan-Soo KimDae-Ig ChangDeock-Gil OhSeong-Jun Lee
    • Tae-Hoon KimPan-Soo KimDae-Ig ChangDeock-Gil OhSeong-Jun Lee
    • H04L1/00
    • H04B7/18523H04L27/2657H04L27/2672H04L27/2676
    • An apparatus and method for correcting a frequency offset in a satellite digital video broadcasting system includes a frequency response transformer for receiving a satellite digital video broadcasting signal and acquiring frequency responses divided into positive and negative frequency parts; a rotation/difference value calculation unit for selecting a frequency response inputted from the frequency response transformer and calculating a first value indicating a difference in area without rotation for the selected frequency response, and calculating a second value indicating a difference in area with rotation for the remaining frequency responses; a zero intersection point calculator for dividing an average slope of a straight line formed by the first and second values by the first value, and calculating a zero intersection point of an area difference value on the straight line; and a frequency offset estimator for correcting the zero intersection point to thereby estimate the frequency offset.
    • 一种用于校正卫星数字视频广播系统中的频率偏移的装置和方法包括:频率响应变换器,用于接收卫星数字视频广播信号并获取被分为正,负频率部分的频率响应; 旋转/差值计算单元,用于选择从频率响应变换器输入的频率响应,并计算指示所选择的频率响应的不旋转的面积差的第一值,并且计算表示针对所选择的频率响应的旋转区域的差异的第二值 剩余频率响应; 零交叉点计算器,用于将由第一和第二值形成的直线的平均斜率除以第一值,并计算直线上面积差值的零交叉点; 以及用于校正零交叉点从而估计频率偏移的频率偏移估计器。
    • 3. 发明授权
    • Liquid crystal display panel
    • 液晶显示面板
    • US08711303B2
    • 2014-04-29
    • US13178950
    • 2011-07-08
    • Yi LiSeong-Jun LeeYong-Kyu JangJae-Young LeeJu-Yeon Seo
    • Yi LiSeong-Jun LeeYong-Kyu JangJae-Young LeeJu-Yeon Seo
    • G02F1/1333
    • G02F1/133707G02F1/134336
    • A liquid crystal display panel that includes a number of pixel electrodes formed on a substrate and are located in a pixel region defined by gate lines and data lines that cross the gate lines. Each of the pixel electrodes located in the pixel region includes a number of sides, and at least one of the sides includes oblique lines and a protrusion formed by the oblique lines, and the pixel electrodes located in the pixel region and adjacent to each other in a first direction form a separation space that includes at least one protrusion, and a width of the separation space gradually reduces and gradually increases in a second direction crossing the first direction, and a singular point that controls the texture of liquid crystals is located at the narrowest width of the separation space.
    • 一种液晶显示面板,包括形成在基板上的多个像素电极,位于由栅极线和与栅极线交叉的数据线所限定的像素区域中。 位于像素区域中的每个像素电极包括多个侧面,并且至少一个侧面包括斜线和由斜线形成的突起,并且位于像素区域中并且彼此相邻的像素电极 第一方向形成包括至少一个突起的分离空间,并且分离空间的宽度在与第一方向交叉的第二方向上逐渐减小并逐渐增加,并且控制液晶结构的奇异点位于 最窄的分隔空间宽度。