Limitations of existing kth-order time-frequency representations (TFR) are discussed. It is emphasized that consistent estimation of TFRs is possible if the underlying nonstationarity is structured. The role of consistent and asymptotically normal cyclic-statistics in estimating the TFRs of cyclostationarity processes is elucidated, and relationships between cyclic-statistics, ambiguity functions, and Wigner-Ville distributions are discussed. Noise immunity of cyclic-statistics is shown. Conditions for consistent estimation of statistics of a class of nonstationary processes are given without assuming cyclostationarity.
|Original language||English (US)|
|Title of host publication||Proceedings of the IEEE-SP International Symposium on Time-Frequency and Time-Scale Analysis|
|Publisher||Institute of Electrical and Electronics Engineers Inc.|
|Number of pages||4|
|ISBN (Electronic)||0780308050, 9780780308053|
|State||Published - 1992|
|Event||1992 IEEE-SP International Symposium on Time-Frequency and Time-Scale Analysis - Victoria, Canada|
Duration: Oct 4 1992 → Oct 6 1992
|Name||Proceedings of the IEEE-SP International Symposium on Time-Frequency and Time-Scale Analysis|
|Conference||1992 IEEE-SP International Symposium on Time-Frequency and Time-Scale Analysis|
|Period||10/4/92 → 10/6/92|
Bibliographical notePublisher Copyright:
© 1992 IEEE.