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    • 31. 发明授权
    • Method for demodulating a signal
    • 解调信号的方法
    • US09391740B2
    • 2016-07-12
    • US14769538
    • 2014-02-20
    • AIRBUS DS SAS
    • Philippe MegeLaurent Martinod
    • H04L27/06H04L1/00H04B7/08H04L25/03H04L27/26
    • H04L1/0055H04B7/0848H04B7/0851H04B7/0854H04L25/03171H04L27/2649
    • A method for demodulating a signal in a receiver including at least two antennas, each receiving a signal, the received signals corresponding to a single emitted signal including symbol frames in which certain symbols, referred to as driver symbols, are known to the receiver, the method including: noise whitening in order to form two combined signals, the noise components of which are separate; normalizing the noise components of the combined signals in order to form two signals, the noise components of which are separate and have equal average standards; and performing signal demodulation with the maximum combination of the signal-to-noise ratio on the two signals, the noise components of which are separate and which have equal average standards, wherein during the first noise-whitening step for forming the two combined signals, the latter are determined retroactively using the maximum criterion.
    • 一种用于解调包括至少两个天线的接收机中的每个接收信号的信号的方法,所述接收到的信号对应于包括被称为驱动器符号的某些符号的单个发射信号,所述符号帧对于接收机是已知的, 方法包括:噪声白化以形成两个组合信号,其噪声分量是分开的; 归一化组合信号的噪声分量,以形成两个信号,其噪声分量是分开的,具有相等的平均标准; 并且对所述两个信号的信噪比的最大组合进行信号解调,所述两个信号的噪声分量是分离的并且具有相同的平均标准,其中在用于形成两个组合信号的第一噪声增白步骤期间, 后者使用最大准则追溯地确定。