TÉCNICAS Y DISTRIBUCIONES TIEMPO
Transcription
TÉCNICAS Y DISTRIBUCIONES TIEMPO
Introduction to Quadratic Time-Frequency Distributions INTRODUCTION TO QUADRATIC TIME-FREQUENCY DISTRIBUTIONS Wigner Distribution Properties of Wigner Distribution Instantaneous Frequency Examples Estimación de la Autocorrelación Wigner Distribution of the Sum of Two Signals: Cross-Terms Examples of Cross-terms Observations about Cross-Terms What can we do about the interference terms? Inversion of Wigner Distribution Discrete Time Implementation General Class of Cohen’s Class of Distributions Ambiguity Function Alternative Representation for Cohen’s class Basic Properties Related to the Kernel Instantaneous Frequency Reduced Interference Kernel Design Reduced Interference Kernel Design Some Common Kernels Zhao-Atlas-Marks Some Other Distributions