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Communication device, spread-spectrum receiver, and related method using normalized matched filter for improving signal-to-noise ratio in harsh environments

机译:通信设备,扩频接收机以及使用归一化匹配滤波器的相关方法,以提高恶劣环境下的信噪比

摘要

A communication device, a method of operating a communication device, and a spread-spectrum receiver are disclosed. The method includes receiving an incoming RF signal, demodulating the incoming RF signal to generate a baseband signal, filtering the baseband signal with a normalized matched filter having filter characteristics matched to a pulse-shaping filter of the transmitter that generated the incoming RF signal, and extracting a received signal from a normalized output generated by the normalized matched filter. As a result, interferences and noise from harsh environments may be suppressed.
机译:公开了一种通信设备,一种操作通信设备的方法以及扩频接收机。该方法包括:接收输入RF信号;对输入RF信号进行解调以生成基带信号;使用归一化匹配滤波器对基带信号进行滤波,该归一化匹配滤波器的滤波器特性与生成该输入RF信号的发射机的脉冲整形滤波器相匹配;以及从归一化匹配滤波器产生的归一化输出中提取接收信号。结果,可以抑制来自恶劣环境的干扰和噪声。

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