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    • 1. 发明申请
    • METHOD AND DEVICE FOR DECODING LOW DENSITY PARITY CHECK CODE
    • 用于解密低密度奇偶校验码的方法和装置
    • US20090172493A1
    • 2009-07-02
    • US12342945
    • 2008-12-23
    • Beom-Jin PARKCongchong RUDan WANGLijun WEISung-Jin PARK
    • Beom-Jin PARKCongchong RUDan WANGLijun WEISung-Jin PARK
    • H03M13/05G06F11/07
    • H03M13/1137H03M13/1114H03M13/1131H03M13/1134H03M13/114H03M13/1165H03M13/6505H03M13/6544
    • An apparatus for decoding a Low Density Parity Check (LDPC) is provided. The apparatus includes a variable node message memory for storing a variable node message vector, a controller for controlling a node computing unit to read from and write to the variable node message memory and controlling an iteration process for the apparatus, and a node computing unit for updating a check node message and a variable node message, and determining a hard decision message, the node computing unit includes a variable node message generation unit for determining the variable node message for use in a check node message calculation unit according to the variable node message vector, a check node message calculation unit for updating the check node message, a variable node message updating unit for updating a corresponding variable node message, a hard decision calculation unit for determining the hard decision message for a corresponding variable node, and a parity check unit for determining a parity bit and outputting the parity bit to a decoding termination controller.
    • 提供了一种用于解码低密度奇偶校验(LDPC)的设备。 该装置包括用于存储可变节点消息向量的可变节点消息存储器,用于控制节点计算单元从可变节点消息存储器读取和写入并控制该装置的迭代处理的控制器,以及用于 更新校验节点消息和可变节点消息,并且确定硬判决消息,所述节点计算单元包括可变节点消息生成单元,用于根据所述变量节点消息确定用于校验节点消息计算单元中的变量节点消息 向量,用于更新校验节点消息的校验节点消息计算单元,用于更新对应的可变节点消息的变量节点消息更新单元,用于确定相应变量节点的硬判决消息的硬判决计算单元,以及奇偶校验 用于确定奇偶校验位并将奇偶校验位输出到解码终端控制器的单元。
    • 2. 发明申请
    • METHOD AND SYSTEM FOR PROCESSING ELECTRONIC TABLE DATA BASED ON TIME SEQUENCE
    • 基于时间序列处理电子表数据的方法和系统
    • US20090019350A1
    • 2009-01-15
    • US12236996
    • 2008-09-24
    • Lijun WEIYuanbing Wang
    • Lijun WEIYuanbing Wang
    • G06F17/00
    • G06F17/246
    • A method for processing electronic table data based on a time sequence comprises: after receiving processing request information for calculating a data object with a time attribute, reading basic period information in an electronic table, calculating result data according to calculation manner information in the processing request information, and determining a basic period contained in each calculation result data and a writing position of the calculation result data in the electronic table; and generating a computing formula for calculating the basic period contained in the calculation result data, calculating the data object by using the computing formula, and writing the calculation result data generated after calculation into the electronic table according to a requirement of the processing request information. A system for processing electronic table data based on a time sequence comprises: a position determination module and a calculation module.
    • 一种基于时间序列处理电子表格数据的方法包括:在接收到用于计算具有时间属性的数据对象的处理请求信息之后,读取电子表中的基本周期信息,根据处理请求中的计算方式信息计算结果数据 信息,并且将每个计算结果数据中包含的基本周期和计算结果数据的写入位置确定在电子表中; 并且生成用于计算计算结果数据中包含的基本周期的计算公式,使用计算公式计算数据对象,并根据处理请求信息的要求将计算后生成的计算结果数据写入到电子表中。 一种用于基于时间序列处理电子表格数据的系统,包括:位置确定模块和计算模块。