5Vankka JMethods of mapping from phase to sine amplitude in direct digital synthesis[J].IEEE Transactions on Ultrasonics Ferroelectrics and Frequency Control,1997, 44(2):526-534.
3[4]Vankka J. Methods of mapping from phase to sine amplitude in direct digital synthesis[J]. IEEE Transactions on Ultrasonics, Ferroelectrics , and Frequency Control, 1997, 44(2) :526-534.