xilinx的ISE工程，用CORDIC算法做DDS生成正弦波-xilinx the ISE project to do with the CORDIC algorithm generates sine DDS

在ISE10.0下的CORDIC算法产生正弦波，可控制其幅度等参数-Under the CORDIC algorithm in the ISE10.0 produce sine wave, its amplitude and other parameters can be controlled