DDFS based on CORDIC algorithm overcomes the disadvantage of DDF S must have huge size of lookup table and no addition multiplier required, suited for hardware implementation.

• 基于CORDIC算法的直接数字频率合成器克服了DDFS需要非常大的ROM查找表的缺点,它不需要额外的乘法器,非常适合硬件实现。