Optional high speed pulse modulation capability 任意高速脉冲调制能力
2.
The research reveals that dds modulator made up of dds technique and micro - computer possesses many modulation capabilities and provides a new research way for modulation and demodulation technique 研究表明，将dds技术辅以微机构成的dds调制器能将多种调制功能集于一身，为调制解调技术提供了一条新的研究途径。
