2Nicholasetal H T. The Optimization of Direct Digital Fre-quency Synthesizer Performance in the Presence of Finite Word Length Effects [A]. Proc. 42th Annual Frequency Control Symposium[C]. 1988:357-363.
1PETER G C,WAYNE B.Architectural overview of the speakeasy system[J].IEEE Journal on Selected Areas in Communications,1999,17(4):650-661.
2KWENTUS A Y,JIANG Z,WILLSON A N.Application of filter sharpening to cascaded integrator-comb decimation filters[J].IEEE Trans on Signal Processing,1997,45(2):457-467.
3DAVID B C.Digital IF filter technology for 3G system:an introduction[J].IEEE Communication Magazine,1999,37(2):102-107.
4DAVID J G,MICHAEL J C.Nine digital filter for decimation and interpolation[J].IEEE Trans on Acoustics,Speech,and Signal Processing ,1977,25(2):121-126.
