pseudo echo rangingICIECS823.doc

描述了一种测距方法，给出了具体算法。Accordingtothecharacteristicsofwirelesssensornetworks,anovelrangingmethodisproposedbasedonmeasuringpropagationtimeofacousticsignalmodulatedwithpseudo-randomnumberthroughbinaryphaseshiftkeying(BPSK)andflyingtoandfrobetweentwosensornodesina