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    • 1. 发明授权
    • Data processing apparatus, data processing method, and program
    • 数据处理装置,数据处理方法和程序
    • US08938002B2
    • 2015-01-20
    • US13380758
    • 2010-06-23
    • Hideyuki MatsumotoYuichi Mizutani
    • Hideyuki MatsumotoYuichi Mizutani
    • G06F12/00H04N7/173H04H40/90H04H60/11H04N7/167H04N21/434H04N21/438H04N21/44
    • H04N7/173H04H40/90H04H60/11H04N7/167H04N21/4347H04N21/4383H04N21/44004
    • A data processing apparatus, a data processing method, and a program that are configured to prevent (or lower) the increase in scale and cost of the apparatus. A read/write control portion executes read/write control in which slots subject to extraction of two or more slots in one frame that is a collection of two or more slots each of which is a unit of error correction coding are written to a ring buffer and the slots subject to extraction in one frame written to the ring buffer are read within the unit time. When slots subject to extraction are changed, an output portion executes output processing in which dummy data outputted from a dummy data output portion are outputted with a timing immediately before a change start frame that is a frame from which the change of slots subject to extraction is started and, slots subject to extraction read from the ring buffer are outputted for frames subsequent to the change start frame. The present disclosure is applicable to reception apparatuses for receiving BS digital broadcasting, for example.
    • 一种数据处理装置,数据处理方法和程序,被配置为防止(或降低)装置的规模和成本的增加。 读/写控制部分执行读/写控制,其中在一帧中作为两个或更多个时隙的集合的两个或更多个时隙中的两个或更多个时隙被提取的时隙,每个时隙都是纠错编码的单位,被写入环形缓冲器 并且在单位时间内读取在写入环形缓冲器的一帧中被提取的时隙。 当进行提取的时隙发生改变时,输出部分执行输出处理,其中从伪数据输出部分输出的虚拟数据以紧邻改变开始帧之前的定时被输出,该改变开始帧是从其提取的时隙的改变是 开始,并且从改变开始帧之后的帧输出从环形缓冲器读取的提取的时隙。 例如,本公开可应用于接收BS数字广播的接收装置。
    • 6. 发明授权
    • Demodulating apparatus and demodulating method
    • 解调装置和解调方法
    • US08374290B2
    • 2013-02-12
    • US12597503
    • 2008-04-25
    • Tetsuhiro FutamiYuichi Mizutani
    • Tetsuhiro FutamiYuichi Mizutani
    • H03D1/00H04L27/06
    • H04L25/03012H04L27/38H04L2025/03471
    • This invention relates to a demodulating apparatus and a demodulating method for demodulating an input signal more quickly than before when the channels of the input signal are inverted.A correlator 152 calculates a correlation value indicative of the correlation between a known delayed detection sequence made of symbols of correct delayed detection values of a known sequence inserted in the input signal and a received delayed detection sequence obtained through delay detection of the input signal. If the imaginary part of the correlation value is less than zero, a channel control section 132 switches the channels of the input signal before feeding the signal to a frame synchronization circuit 122. This invention can be applied illustratively to a satellite broadcast receiving apparatus.
    • 本发明涉及一种解调装置和一种解调方法,用于当输入信号的信道反相时,比以前更快地解调输入信号。 相关器152计算指示由插入在输入信号中的已知序列的正确延迟检测值的符号构成的已知延迟检测序列与通过输入信号的延迟检测获得的接收延迟检测序列之间的相关性的相关值。 如果相关值的虚部小于零,则信道控制部分132在将信号馈送到帧同步电路122之前切换输入信号的信道。本发明可以示例性地应用于卫星广播接收装置。