modulation gap调制间隙modulationn.调音；调节；转调；抑扬modulation delay equalization调制延迟均衡modulation of immune function免疫功能调节Modulation Depth Control Word调制深度控制字modulation signal recognition调制信号识别modulation continuou spectrum调制连续谱modulation recognition theory调制识别modulation scheme recognition调制模式识别modulation auto-recognition调制制式自动识别modulation frequency feedback调制频率反馈modulation demodulation frame调制解调帧