Category 5
Statistical Signal and Array Processing

5.1	Spectrum analysis
5.2	Higher order spectrum analysis
5.3	Array signal processing
5.4	Statistical signal analysis
5.5	Parameter estimation
5.6	Detection
5.7	Signal and system modeling
5.8	System identification
5.9	Time-frequency/time-scale signal analysis
5.10	Cyclostationary signal analysis
5.11	Other (specify)