Walter Welkowitz

According to our database, Walter Welkowitz authored at least 12 papers between 1954 and 1994.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of three.

1994

Investigating the effects of vasodilator drugs on the turbulent sound caused by femoral artery stenosis using short-term Fourier and wavelet transform methods.

Metin Akay, Yasemin M. Akay, Walter Welkowitz, Shlomo Lewkowicz

IEEE Trans. Biomed. Eng., 1994

1993

Accelerometer type cardiac transducer for detection of low-level heart sounds.

Vasant Padmanabhan, John L. Semmlow, Walter Welkowitz

IEEE Trans. Biomed. Eng., 1993

Noninvasive acoustical detection of coronary artery disease: a comparative study of signal processing methods.

Yasemin M. Akay, Metin Akay, Walter Welkowitz, John L. Semmlow, John B. Kostis

IEEE Trans. Biomed. Eng., 1993

1992

Application of adaptive filters to noninvasive acoustical detection of coronary occlusions before and after angioplasty.

Metin Akay, Yasemin M. Akay, Walter Welkowitz, John L. Semmlow, John B. Kostis

IEEE Trans. Biomed. Eng., 1992

1991

Noninvasive estimation of cardiac output.

Walter Welkowitz, Qing Cui, Yun Qi, John B. Kostis

IEEE Trans. Biomed. Eng., 1991

1990

A closed-loop control scheme for intraaortic balloon pumping.

John A. Zelano, John K.-J. Li, Walter Welkowitz

IEEE Trans. Biomed. Eng., 1990

Modeling sound generation in stenosed coronary arteries.

Jin-Zhao Wang, Bing Tie, Walter Welkowitz, John L. Semmlow, John B. Kostis

IEEE Trans. Biomed. Eng., 1990

Design and control of the atrio-aortic left ventricular assist device based on O/sub 2/ consumption.

Gary M. Drzewiecki, James J. Pilla, Walter Welkowitz

IEEE Trans. Biomed. Eng., 1990

Noninvasive detection of coronary stenoses before and after angioplasty using eigenvector methods.

Metin Akay, John L. Semmlow, Walter Welkowitz, Michele D. Bauer, John B. Kostis

IEEE Trans. Biomed. Eng., 1990

Detection of coronary occlusions using autoregressive modeling of diastolic heart sounds.

Metin Akay, John L. Semmlow, Walter Welkowitz, Michele D. Bauer, John B. Kostis

IEEE Trans. Biomed. Eng., 1990

1988

Control aspects of intraaortic balloon pumping: an overview.

Walter Welkowitz, John K.-J. Li

Proc. IEEE, 1988

1954

Effects of High Intensity Sound on Electrical Conduction in Muscle

Walter Welkowitz

PhD thesis, 1954