范文编号:DZXX291 范文字数:12990,页数:40 摘要 随着数字技术的飞速发展和数字器件的广泛使用,多进制数字调制技术以其独具的特点,在数字视频广播、移动通信等领域占据主导地位,QPSK调制便是其中应用最为广泛的数字调制方式之一。本范文研究并实现了基于CPLD的QPSK调制器的设计。 关键词:CPLD,QPSK,VHDL,数字通信 ABSTRACT Accompanying with the rapid development of digital technology and widespread use of the digital components, the M-ary digital modulation technique by its unique characteristics occupies the dominant position on digital video broadcast, mobile communication and so on. QPSK is one of the most widespread digital modulation methods. In the paper, a digital QPSK modulator based on CPLD is studied and implemented. 目录 摘要 I
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