R.M. Todd and J.R. Cruz, Frequency Estimation and the QD Method. B.D. Rao, Roundoff Noise in Floating Point Digital Filters. O. Michel and P. Flandrin, Higher Order Statistics for Chaotic Signal Analysis. G.A. Jullien and V. Dimitrov, Two-Dimensional Transforms Using Number Theoretic Techniques. P.A. Stubberud and C.T. Leondes, Fixed Point Roundoff Effects in Frequency Sampling Filters. S. Shamsunder and G.B. Giannakis, Cyclic and High-OrderSensor Array Processing. B.W. Stiles and J. Ghosh, Two Stage Habituation Based Neural Networks for Dynamic Signal Classification. K. Giridhar, J.J. Shynk, and R.A. Iltis, Blind Adaptive MAP Symbol Detection and a TDMA Digital Mobile Radio Application. Subject Index.