From: waldo@ece.drexel.edu (David J. Waldo)
Newsgroups: misc.jobs.resumes
Subject: PhD in EE (DSP)/BS in Biomed. seeks entry in EE or Biomed.
Date: 19 Aug 92 18:19:34 GMT
Distribution: usa
Organization: Drexel University



David Jon Waldo
2233 South Front Street
Philadelphia, Pennsylvania 19148-3403
Home: (215) 465-4272
Work: (215) 895-2108
Fax: (215) 895-1695
E-Mail: waldo@ece.drexel.edu


Objective:	  	
              To conduct and direct research in signal processing systems
              for an electrical/biomedical engineering company with emphasis 
              on developing products from the research findings.

Education:   	
              Ph.D. in Electrical Engineering, Drexel University, Philadelphia, PA.
              Anticipated graduation September 1992.

              B.S. in Bioengineering, Texas A&M University, College Station, TX.
              December 1986.

              Ph.D. dissertation:  Time-Frequency Signal Analysis and Application 
                                   to Cardiac Late Potential Detection.
              Related courses
              Electrical Engineering:
              %	Digital Signal Processing	        %	Stochastic Processes
              %	Signal Detection	                 %	Linear Systems
              %	Pattern Recognition	              %	Functional Analysis
              %	Wavelet Transform	                %	MC 68000 Assembly Language
              %	Inverse Scattering Techniques	
              Bioengineering:
              %	Instrumentation	                  %	Mass and Energy Transfer
              %	Physiology, Anatomy and Histology

Related Work
Experience:  	
             Research Assistant:  Drexel University, 1987-present.

              Developed methods in the time-frequency domain to characterize and 
              detect cardiac late potentials which are high frequency, low amplitude
              signals found in the electrocardiogram which can cause sudden death
              of patients.  Formulated and analyzed time-frequency representations
              outside Cohen's class which reduce crossterms and retain resolution
              for certain classes of signals.  Examined the properties of extended
              finite length data in the Wigner Ville distribution.  Derived a 
              pseudo-analytic signal that allows for a tradeoff between the removal 
              of crossterms located between positive and negative frequency components 
              of a signal and time resolution in the Wigner Ville distribution.  
              Implemented algorithms on personal and main frame computers using C and
              FORTRAN languages and Matlab.  Wrote reports and publications and gave 
              presentations on research results.

              Teaching Assistant:  Drexel University, 1987-present.

              Conducted electronics laboratories, gave recitations, graded papers 
              and guided students with homework problems.  Assisted with undergraduate 
              classes such as random variables and stochastic processes, electronic 
              circuits and digital signal processing.  Assisted also with graduate 
              digital signal processing classes.  Assembled a teaching assistant 
              manual for one electronics course.  Acquired effective teaching skills 
              and interacted with professors and students in many situations.

	             Electronics Instructor:  Franklin Institute, Philadelphia, PA, 1991-present.

              Prepared and conducted one week electronics courses.  Organized a curriculum
              to motivate and inspire young students interested in electronic circuits.

              Bioengineering Intern:  Texas Scottish Rite Hospital for Crippled Children,
              Dallas, TX, 1982-1985, cooperative education, 14 months full time work.

              Obtained somatosensory evoked potentials during all spinal cord surgeries,
              operated and maintained the Gait Analysis Laboratory and performed routine 
              equipment maintenance.  Developed and built five small electric forearms 
              for below elbow amputee children.  Managed a Unix operating system for a 
              MASCOMP computer.  Learned important aspects of clinical engineering and 
              product development.

Publications
and Reports:  
              %	Hessen, S.; Kidwell, G.; Waldo, D.; Rao, C.V.K. Prabhakara; Greenspon, A.; 
                "Joint Time Frequency Analysis of the Signal Averaged Electrocardiogram 
                using the Wigner Ville Distribution," Circulation, Vol. 78, No. 4, pp. 
                11-138, October 1988. (Abstract #554)
              %	Waldo, D.J.; Chitrapu, P.R.; Reddy, B.R.S.; Jepsen, K.; Kidwell, G.A.; 
                Greenspon, A.J.; "Use of Wigner Ville Distribution to Analyze Cardiac Late 
                Potentials," In Proceedings IEEE EMBS-90, pp. 825-826, 1990.
              %	Waldo, David; Chitrapu, Prabhakar Rao; "On the Wigner Ville Distribution of
                Finite Duration Signals," Signal Processing, Vol. 24, No. 2, pp. 231-237, 
                August 1991.
              %	Waldo, D.J.; Reddy, B.R.S.; Greenspon, A.J.; Kidwell, G.A.; Chitrapu, P.R.;
                "Analysis of Cardiac Late Potentials Using the Wigner-Ville Distribution,"
                In Proceedings ICASSP-92, Vol. 4, pp. 573-576, 1992.
              %	Chitrapu, Prabhakar Rao; Waldo, David J.; "Time Frequency Descriptions of 
                Averaged ECG Signals Using Wigner Ville Distribution," Research Report #1, 
                Department of ECE, Drexel University, January 1992.
              %	Chitrapu, Prabhakar Rao; Waldo, David J.; Reddy, B.R. Shankar; Kidwell, 
                Gregory; Greenspon, Arnold; "Characterization of Cardiac Late Potentials 
                Using Wigner Ville Distribution," Research Report #2, Department of ECE, 
                Drexel University, January 1992.
              %	Waldo, David J.; Chitrapu, Prabhakar Rao; "Wigner Distribution Using 
                Pseudo Analytic Signals," Research Report #3, Department of ECE, Drexel
                University, March 1992.
              %	Waldo, David J.; Chitrapu, Prabhakar Rao; "Crossterm Reduction by a Nonlinear
                Combination of Time-Frequency Signal Representations", To appear in IEEE-SP 
                International Symposium on Time-Frequency and Time-Scale Analysis, October 1992.
              %	Chitrapu, Prabhakar Rao; Waldo, David J.; "Time Frequency Analysis and Linear
                Prediction of Cardiac Late Potentials", To appear in IEEE-SP International 
                Symposium on Time-Frequency and Time-Scale Analysis, October 1992.
Memberships
and Honors:  	
              %	Institute of Electrical and Electronics Engineers:  Signal Processing Society, 
                Engineering in Medicine and Biology Society, Information Theory Society
              %	Graduate Student Committee
              %	Phi Eta Sigma - Freshman scholastic honor society
              %	National Dean's List
              %	2 Distinguished Student  Awards - Texas A&M University
Newsgroups: misc.jobs.resumes