OFDM是一种新型的调制方式，称为正交频分复用。阐述了OFDM的原理、系统组成和 优良性质及其在数字电视传输和混合光纤电缆网(HF，C)中的应用。 -OFDM is a new type of modulation is called orthogonal frequency division multiplexing. OFDM on the principles of good composition and the nature of the system and its appl

基于 OFDM的高速遥传电缆调制解调器设计 基于 OFDM的高速遥传电缆调制解调器设计-Abstract : In order to meet t he demand of high data volume for imaging tool s , a cable Modulator/ De2 modulator is investigated and developed since it is t he key to any high2speed cable t ransmission s

声音的采集与频率调制，利用mydaq采集卡，通过MP3等设备采集声音并实施调制各频段幅度并输出-Sound acquisition and frequency modulation, to use mydaq capture card and the sound of MP3 and other equipment acquisition and implementation of the modulation band magnitude of output