The paper provides a new thought and solution based on the research of the IF modulator and demodulator of Software Radio.
本文在对软件无线电中频调制解调器研究的基础上，提出了一种新的思路和解决方法。
The demodulator has two main parts, hardware and software. It can perform channel selection and signal demodulating using it's own keyboard or the PC connected.
它由硬件和软件两大部分组成，通过自带键盘或上位机可实现频道选择和信号调节。
This is known as Software Defined Radio (SDR). Decreases decoder and demodulator selection error using a Hidden-Markov Model (HMM) in this paper.
本论文采用隐马尔可夫模型（HMM）来减小解码与解调选择错误。
This is known as Software Defined Radio (SDR). Decreases decoder and demodulator selection error using a Hidden-Markov Model (HMM) in this paper.
本论文采用隐马尔可夫模型（HMM）来减小解码与解调选择错误。
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