针对短波39音OFDM系统，提出了一种新型的符号同步和载波频偏估计方法。
A novel symbol synchronization and carrier frequency offset estimation method is presented for 39-tone OFDM systems.
音效的质量低劣：爆音、不同步，有时甚至没有声音。
Sound can be poor quality: crackling, out of sync, and shutting down.
金舒(音)五年前从牛津大学毕业后回到北京，他对北京能与英国伦敦和西班牙伊维萨同步感到很兴奋。
Jin Shu, a public relations executive who studied at Oxford before returning to Beijing five years ago, is thrilled that the capital is catching up to London and Ibiza.
不和谐的装饰音，极为普遍的是倚音，是与节拍同步的；
Dissonant grace notes, the most common of which are appoggiaturas, are played on the beat;
不和谐的装饰音，极为普遍的是倚音，是与节拍同步的；
Dissonant grace notes, the most common of which are appoggiaturas, are played on the beat;
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