Fundamentals of Spread Spectrum Modulation

扩频调制Thislecturecoversthefundamentalsofspreadspectrummodulation,whichcanbedefinedasanymodulationtechniquethatrequiresatransmissionbandwidthmuchgreaterthanthemodulatingsignalbandwidth,independentlyofthebandwidthofthemodulatingsignal.Afterreviewingbasicdigitalmodulationtechniques,theprincip