“Bits of eight” shrank to become byte, “modulate/demodulate” became modem, “picture cell” became pixel, and of course “web log” became blog.

如“八位字节”缩短成“比特”，“图片的每个色素点”缩短为“像素”，当然还有“网络日志”现在被大家叫做“博客”。

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Realizes V. 29 signal basic modulate and demodulate procedure which includes square root raised cosine rolling-off shaping filter and orthogonal channel signal modulator and demodulator.

分别实现了V．29信号基本调制解调过程，包括平方根升余弦滚降脉冲成形技术的滤波器实现，以及对信号的正交调制与解调过程。

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