DQPSK Modulation & Demodulation DQPSK调制解调
Finally, the plan of implementing DQPSK digital modulation signal regeneration through adopting DSP chip is discussed and diagrams are given.
最后讨论了采用DSP芯片实现DQPS K数字调制信号再生处理的方案，给出了框图。
The COFDM modulation part is made up of blocks partition, COFDM symbol forming, DQPSK symbol mapping, frequency interleaving, difference modulation and COFDM modulation and so on.
实现不同帧之间的比特交织等。 COFDM调制部分包括块划分及COFDM符号形成、DQPSK符号映射、频率交织、差分调制及COFDM调制等环节。
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