说明：  Faster-Than-Nyquist Signaling:快于奈奎斯特采样的一种新颖的通信方法，是IEEE的邀请论文，看后让人兴奋，打开了研究的新思路和新方法
(Faster-Than-Nyquist Signaling In a bandwidth scarce world, high-rate digital radio is moving beyond the older ideas of large-alphabet modulation, independent data pulses, and straightforward error-correcting codes.)