完整的基于ROM查找表的NCO 产生10位宽的正交信号-Integrity of the ROM-based lookup table of the NCO have 10-bit wide of the orthogonal signal

介绍了新的声音采集方法，利用VHDL编写，对声音频谱分析有很强的拟合性-Introduced a new sound collection methods, the use of VHDL writing to sound spectrum analysis has a strong fit of

关于指数函数的源代码，用了代码进行拟合，可很好的表示函数，仿真出图形具体直观-About index function of source code, with the code was fitted, can be very good said function, the graphic simulation specific directly