实现2K点的IFFT，在ISE10.1版本运行，通过测试，XC3S500E芯片上运行。-2K IFFT

,用VERILOG语言实现16QAM的数字调制的程序，已经在ISE10.1版本中调试通过 -The introduction of cellular technology greatly expanded the efficiency of frequency use of mobile phones. Rather than exclusively allocating a band of frequency to one telephone call in a large geograp