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发明授权
CN103782559B 双相位通信解调方法和设备 有权

双相位通信解调方法和设备
摘要：
一种双相位通信接收器系统包括模数转换器（ADC）（12），该模数转换器被配置为对双相位调制信号（IN）进行采样以生成双相位调制信号的数字样本。该系统还包括双相位信号解码器（14），该双相位信号解码器被配置为基于数字样本对双相位调制信号进行解码。该系统进一步包括前导码检测器（16），该前导码检测器包括数字滤波器（18），该数字滤波器被配置为评估数字样本以生成输出并且检测双相位调制信号的前导码，以便基于该输出对双相位调制信号进行解码。
摘要（英）：

One aspect of the present invention includes a bi-phase communication receiver system. The system includes an analog-to-digital converter (ADC) configured to sample a bi-phase modulation signal to generate digital samples of the bi-phase modulation signal. The system also includes a bi-phase signal decoder configured to decode the bi-phase modulation signal based on the digital samples. The system further includes a preamble detector comprising a digital filter configured to evaluate the digital samples to generate an output and to detect a preamble of the bi-phase modulation signal for decoding the bi-phase modulation signal based on the output.

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