Adaptive Verarbeitung von visuell evozierten EEG-Potentialen. - Werner Wolf; Ulrich Appel (DAGM-Symposium, 1981)

Recursive lattice algorithms with finite-duration windows. - Ulrich Appel; Achim V. Brandt (ICASSP, 1982)

Parallel identifiers for parameter estimation of strongly disturbed ARMA-processes. - Hans-Eberhard Schurk; Ulrich Appel; Werner Wolf (ICASSP, 1982)

Application of a cepstral distance measure in evoked potential processing. - H. Rauner; Ulrich Appel; Werner Wolf (ICASSP, 1983)

Adaptive sequential segmentation of piecewise stationary time series. - Ulrich Appel; Achim V. Brandt (Inf. Sci., 1983)

Ein Signalprozessor mit Wirt-Gast-Kopplung über gemeinsame Speicherbereiche. - Peter Strobach; Ulrich Appel (ARCS, 1984)

System identification techniques for noise reduction in evoked potential processing. - H. Rauner; Werner Wolf; Ulrich Appel (ICASSP, 1984)

Mehrkanalige Kleinste-Quadrate-Schätzung autoregressiver Parameter zur Sensorausfallerkennung. - Wolfgang Ptacek; Ulrich Appel (ASST, 1987)

Methods for onset detection of voluntary motor responses in tremor patients. - Gerhard H. Staude; Werner Wolf; Ulrich Appel; Reinhard Dengler (IEEE Trans. Biomed. Eng., 1996)

Efficient equalization of nonlinear communication channels. - Walter A. Frank; Ulrich Appel (ICASSP, 1997)

Multistage implementation of optimal reconstruction in noisy filter banks. - Onoriu Bradeanu; Ulrich Appel (EUSIPCO, 1998)

An approximation to the Volterra series with multiple linear ARMA filters. - Veit Stefan Kafka; Ulrich Appel (NSIP, 1999)

Quantization noise compensation by analysis filter bank optimisation. - Onoriu Bradeanu; Ulrich Appel (EUSIPCO, 2000)

New aspects to event-synchronous cancellation of ECG interference: an application of the method in diaphragmatic EMG signals. - Yuancheng Deng; Werner Wolf; Rudolf Schnell; Ulrich Appel (IEEE Trans. Biomed. Eng., 2000)