Stephen Horowitz, PhD
Technical Executive | Elec. Engineer | PM | Writer
EXECUTIVE AND
TECHNICAL
MANAGEMENT
CORE COMPETENCIES
-1285 Murphy Hill Rd
North Bennington, VT 05257
Technical leader with 20 years of engineering and R&D experience in sensors
and arrays, algorithm development, firmware, embedded systems, acoustic
measurement, MEMS, physical modeling, transduction, fabrication,
characterization/test, and consulting and 10 years of technical
management/executive experience in operations, product development, R&D,
business development, marketing and technical sales. Track record of
success as CTO/CEO in startup and medium-sized growth organizations,
leading product development efforts from initial concept through R&D and
commercialization to market introduction and growth. Experienced in
developing new business, managing products, projects and people, and
leading internal strategic and resource planning to grow revenues and control
costs.
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PROFESSIONAL
EXPERIENCE
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Sensors
Algorithm
Development
Firmware
Transducer Design
and Integration
R&D / Prototyping
Modeling/Design
Project
Management
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Embedded Systems
Electronics and
Sensor Product
Development
Organizational
leadership
Fostering teamwork
& open
communication
Strategic Planning
FOUNDER/CEO
Satori Scientific Inc, Gainesville, FL/Bennington, VT
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Business
Development
Product Marketing
& Management
Budgeting & Sales
Forecasting
Partnership
Development
May 2020-Present
Launched the company to provide sensor development services,
SBIR/STTR proposal writing and general engineering/R&D consulting
services as well as targeted internal product development efforts
SBIR/STTR proposal services include: strategy development, content
writing, procedural review, editing/proofreading, budget development,
commercialization plans
R&D consulting services include: Product Development, Sensors,
Instrumentation & IOT, Acoustics & Transducers, Electronics, Signal
Conditioning & Processing, Data Acquisition & Analysis, Multi-Physics
Modeling & Simulation, MEMS/Microfabrication, Test and Characterization
Lead a team of proposal writers (10) to provide SBIR proposal writing
services
Lead a team of engineers (electrical, firmware, software (IoT, webapps),
mechanical/industrial design) to develop prototype instrumentation
systems
CTO
Switching Battery Inc, Bennington, VT
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Jun 2021-Present
Head of product development and technological innovation
Lead a team of engineers and scientists developing next generation energy
storage and transformation products.
PRESIDENT/CEO
Aug 2014-Apr 2020
Interdisciplinary Consulting Corporation (IC2), Gainesville, FL
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Spearheaded corporate growth as chief executive officer and general
manager of IC2 – a developer and manufacturer of scientific-grade
precision MEMS sensors and instrumentation targeting aerodynamics and
aerospace research markets
• Led government-funded technical programs (SBIR/STTR and others) to
develop microphones and acoustic array systems (hardware and
algorithms) as lead scientist and project manager, including technical
project management, MEMS sensor design and modeling, algorithm
development, microfabrication process flow development, sensor
packaging, and test/characterization
• Developed the vision and strategy to grow the company, transition to a
product focus, and leverage external funding for development
• Developed the research and engineering teams with a focus on innovation,
teamwork, and transparency
• Championed efforts to commercialize and transition prototype
microsensors into research-grade instruments and array systems –
microphones, shear stress sensors, and pressure sensors based on
capacitive, piezoelectric and optical transduction,
• Directed all business development efforts - Identified, developed, and
secured new business opportunities through R&D funding proposals,
partnerships, trade shows, and technical sales
Achievements
• Led steady company growth from $450k to $1.5M in annual revenue
(growing from 4 to 14 employees) from 2014 to 2020, resulting in over $9M
in total contracts and sales
• Personally captured $3.5M in NASA/DOD SBIR contracts, serving as
proposal lead and project PI and led team in securing an additional $5M in
SBIR contracts
• Transitioned company from a small, lifestyle business into a productfocused development house undergoing exponential growth
• Supervised technical and leadership team that brought industry-first shear
stress sensor to market and is now bringing game-changing microphone
and pressure sensors to the aerospace market
PROGRAM MANAGER/LEAD ENGINEER
Aug 2008-Aug 2014
Ducommun Miltec – Emerging Technologies Group, Huntsville, AL
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Directed growth of emerging technologies via new business development
and internal R&D
• Led internally and externally funded research programs in micro and nano
technologies including nanocomposite acoustic sensors, microphone
arrays, vibration sensors, and vibrational and solar energy harvesting
systems
• Performed project and engineering/resource management, maintaining
multiple project schedules, and balancing staffing resources
• Led the commercialization and development of ranging and Doppler radarbased sensing systems
RESEARCH SCIENTIST
Aug 2004-Aug 2008
Taitech, Inc., Dayton, OH (in conjunction with U. of Florida)
• Led research programs to develop novel optical sensors
• Pursued and won research grants from government funding agencies
Achievements
• Developed a wireless, optical pressure sensor for on-blade, rotorcraft
measurement applications
• Developed a micromachined, color, optical Moiré-based floating element
shear-stress sensor for aeroacoustic applications
• Designed a fiber-optic, Michelson interferometry-based, floating element
shear stress sensor
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Led Navy, Test and Evaluation/Science & Technology (T&E/S&T), Phase II
Grant as Principal Investigator –Dec. 2007- Aug. 2008
ADJUNCT ASST SCIENTIST/FELLOW/GRAD ASST
Jan 2000-Aug 2008
U. of Florida – Interdisciplinary Microsystems Group, Gainesville, FL
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Developed MEMS-based acoustic sensors, energy harvesting systems, and
aircraft acoustic liner technology
• Taught undergraduate classes in electrical engineering
• Mentored graduate students in microsensor development, technical
publication and good research practices
• Presented results in technical conferences and publishing in refereed
technical journals as appropriate
Achievements
• Developed, fabricated, and characterized MEMS piezoelectric
microphones
• Designed and fabricated an electromechanical acoustic resonator for
reclamation of energy using MEMS technology and sol-gel deposition of
Lead Zirconate Titanate (PZT)
• Championed the design, fabrication, and characterization of a
micromachined optical Moiré-based shear-stress sensor
• Designed, modeled and developed a process flow for a single fiber optical
lever microphone using MEMS technology for acoustic measurement
applications in electrically harsh environments
• Developed a tunable electromechanical Helmholtz resonator utilizing a
piezoelectric composite plate for a novel electromechanical acoustic liner
• UF Lead Investigator – Air Force, STTR, Phase I Contract, Sept. 2007 - Aug.
2008
EDUCATION
PhD in Electrical Engineering
Dec 2005
University of Florida, Gainesville, FL
Dissertation: “MEMS-Based Electromechanical Acoustic Energy Harvester”
MS in Electrical Engineering
Aug 2001
University of Florida, Gainesville, FL
Thesis: “Design and Characterization of Compliant Backplate Helmholtz
Resonators” - For acoustic noise reduction / suppression
BS in Electrical Engineering
Dec 1999
University of Florida, Gainesville, FL
Highest Honors Thesis: “A MEMS-Based Single Fiber Optical Lever
Microphone”
Relevant Coursework: Electromagnetic Fields, Optics, Photonics, Laser
Electronics, Electromagnetic Fields, Micro-Electro-Mechanical Systems
(MEMS), Acoustics, VLSI, Analog IC Design, Digital Design, Microelectronics,
Microprocessors, Solid State Physics
Awards & Honors: Sandia National Laboratories MESA Fellow, NASA GSRP
Fellow, Florida Academic Scholar, National Merit Scholar, IBM/Estridge
Scholar
SELECTED EXECUTIVE
SKILLS
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Comfortable and experienced working in both a fast-changing startup
environment and in a large stable organization
Fluent in financial forecasting, modeling, budgeting, cost and managerial
accounting
Experienced in leading a diverse team of engineers, scientists and
operations staff, fostering teamwork and collaboration, while developing a
compelling and cohesive team vision and strategy
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SELECTED TECHNICAL
SKILLS
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SERVICE LEADERSHIP
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PATENTS
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PUBLICATIONS:
BOOK CHAPTERS
PUBLICATIONS:
JOURNALS
Champion of business development efforts through strategic initiatives,
RFI/RFP identification, proposal writing, and contracts negotiations –
Landed over $3.5M in R&D contracts from the federal government in the
past 5 years
Experienced in product development, roadmapping, strategy, project
management, resource management, and organizational design
Extensive experience (15+ years) in multi-disciplinary physical modeling
via MATLAB (mechanical, electrical, acoustical, fluidic systems) for MEMS
sensors and aerospace applications
Piezoelectric, optical, and capacitive transduction, lumped element
modeling, sensor optimization, photolithography mask layout,
microfabrication (wet, dry and patterning processes, surface and bulk),
acoustic, mechanical and electrical test and characterization
COMSOL, MATLAB, Mathcad, Coventor, AutoCAD, ABAQUS, PSPICE,
LTspice, L-Edit, Labview, Quickbooks
Python, C++, Pascal, Basic, Assembly, Embedded programming
Reviewer - Optics and Lasers in Engineering, Journal of Micromechanics
and Microengineering, AIAA Journal, Journal of the Acoustical Society of
America, Sensors and Actuators, IEEE Transactions on Ultrasonics,
Ferroelectrics, and Frequency Control
Research Park Toastmasters – VP – Membership
Acoustical Society of America – Engineering Acoustics Tech Committee
AIAA – Senior Member, Sensors Tech Committee
Project Management Institute (PMI) – Member
Eta Kappa Nu Electrical Engineering Honor Society – UF Chapter - VP
Tau Beta Pi National Engineering Honor Society - Florida – Corr. Sec.
Horowitz, S., Sheplak, M., Nishida, T., and Cattafesta, L., “Floating Element ShearStress Sensor”, United States Patent Number 8,879,052, Filed 6/19/2009
Sheplak, M., Cattafesta, L., Nishida, T., and Horowitz, S., “Electromechanical
Acoustic Liner (Part 2)”, United States Patent Number: 7,212,641, Filed 8/16/2004
Sheplak, M., Cattafesta, L., Nishida, T., and Horowitz, S., “Electromechanical
Acoustic Liner (Part 1)”, United States Patent Number: 6,782,109, Filed 4/3/2001
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Horowitz, S., Sheplak, M., "Chapter 13: Micromachined Acoustic Energy
Harvesters", in Micro Energy Harvesting, Advanced Micro and Nanosystems:
Volume 12, Wiley-VCH, April 2015, pg. 271-296.
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Horowitz, S., Mathias, D., Fox, J., Cortes, J., Sanghadasa, M., Ashley, P., “Effects of
Scaling and Geometry on the Performance of Piezoelectric Microphones,” Sensors
and Actuators A: Physical, Vol. 185, pg. 24-32, 2012.
Liu, F., Phipps, A., Horowitz, S., Ngo K., Cattafesta III, L., Nishida, T., and Sheplak,
M., "Acoustic Energy Harvesting using an Electromechanical Helmholtz
Resonator," Journal of the Acoustical Society of America, 23(4),-, April
2008.
Horowitz, S., Nishida, T., Cattafesta, L., and Sheplak, M., “Development of a
Micromachined
Piezoelectric
Microphone
for
Aeroacoustics
Applications,”Journal of the Acoustical Society of America, 122(6), pg-,
2007.
Liu, F., Horowitz, S., Nishida, T., Cattafesta, L., and Sheplak, M., "A Multiple Degree
of Freedom Electromechanical Helmholtz Resonator," Journal of the Acoustical
Society of America, 122(1), pg. 291-301, 2007.
Prasad, S., Gallas, Q., Horowitz, S., Homeijer, B. Sankar, B., Cattafesta, L., and
Sheplak, M., "An Analytical Electroacoustic Model of a Piezoelectric Composite
Circular Plate," AIAA Journal, 44(10), pg-, 2006.
Horowitz, S., Sheplak, M., Cattafesta, L., and Nishida, T., “A MEMS Acoustic Energy
Harvester,” Journal of Micromechanics and Microengineering. Vol. 16, pg S174S181, 2006.
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PUBLICATIONS:
INVITED TALKS
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Horowitz, S., Nishida, T., Cattafesta, L., and Sheplak, M., “Characterization of a
Compliant-Backplate Helmholtz Resonator for an Electromechanical Acoustic
Liner, International Journal of Aeroacoustics, 1(2), pg 183-205, 2002.
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Marotta, S., Horowitz, S., “A Low Frequency MEMS Vibration Sensor for Low Power
Missile Health Monitoring,” presented at RAM 5 Workshop, Huntsville, AL, Oct. 1617, 2012.
Horowitz, S., “Diamond-Based Microsystems In Extreme Environments”, presented
at Sensors Expo 2009, Rosemont, IL, June 8-10, 2009
Horowitz, S., Callahan, J., Hernandez, C., Mathias, D., Sanghadasa, M., Ashley, P.,
“Scaling Limits of Acoustic Sensors, “ presented at AIAA Infotech @
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Aerospace, Seattle, WA, Apr. 5-9, 2009.
PUBLICATIONS:
CONFERENCE PAPERS
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Mills, D., Chen, T., Horowitz, S., Patterson, W., and Sheplak, M., “A Novel, HighFrequency, Reciprocal Calibration Method for Dynamic Pressure Sensors Used in
High-Speed Flows”, AIAA Scitech 2020 Forum. January
Mills, D., Chen, T., Horowitz, S., and Sheplak, M., Development of a Differential
Optical Wall Shear Stress Sensor for High-Temperature Applications. In AIAA
Scitech 2019 Forum, 2019
Mills, D., Barnard, C., Horowitz, S., and Sheplak, M. "Hydraulically-Smooth Wall
Shear Stress Sensors for Direct Measurement of Mean and Fluctuating Skin
Friction", 2017 ITEA Test Technology Review, Huntsville, AL, Nov 15, 2017.
Mills, D., Horowitz, S., Chen, T. and Sheplak, M., “Sapphire Micromachined Wall
Shear Stress Sensors for High-Temperature Skin-Friction Measurements”,
presented at 20th Test Instrumentation Workshop (ITEA), Las Vegas, NV, May 1012, 2016.
Chen, T., Barnard, C., Mills, D., Horowitz, S., and Sheplak, M, "Instrumentation-Grade
Shear Stress Sensors for Direct Measurement of Mean and Fluctuating Skin
Friction", presented at 20th Test Instrumentation Workshop (ITEA), Las Vegas, NV,
May 10-12, 2016.
Horowitz, S., Allen, M., Fox, J., Cortes, J., Barkett, L., Mathias, D., Hernandez, C.,
Martin, A., Sanghadasa, M, Marotta, S., “A Low Frequency MEMS Vibration Sensor
for Low Power Missile Health Monitoring,” presented at IEEE Aerospace
Conference 2013, Big Sky, MT, Mar. 2-9, 2013.
Fox, J., Horowitz, S., Cortes, J., Allen, M., Mathias, D., Barkett, L., Sanghadasa, M,
“Fabrication and Testing of Suspended Piezoelectric Nanocomposite
Membranes,” presented at AVS 59th International Symposium and Exhibition,
Tampa, FL, Oct. 28-Nov. 2, 2012.
Fox, J., Mathias, D., Cortes, J., Allen, M., Horowitz, S., Temmen, M., Sanghadasa,
M., “Fabrication and Characterization of Ultra-Fast Electrostatically- Actuated
Surface Micro-Machined Aluminum Mirrors,” presented at AVS 59th International
Symposium and Exhibition, Tampa, FL, Oct. 28-Nov. 2, 2012.
Horowitz, S., Fox, J., Mathias, D., Cortes, J., Allen, M., Barkett, L., Sanghadasa, M,
“Miniaturized Nanocomposite Piezoelectric Microphones for UAS Applications,”
presented at SENSIAC – 2012 Joint Meeting of the Military Sensing Symposia
(MSS) Specialty Groups on Battlespace Acoustic, Seismic, Magnetic, and ElectricField Sensing and Signatures (BAMS), Washington, DC, Oct. 22-25, 2012.
Mathias, D., Fox, J., Cortes, J., Horowitz, S., Sanghadasa, M., Ashley, P., “Recent
progress toward a nanostructured piezoelectric microphone,” presented at 162nd
Meeting of the Acoustic Society of America, San Diego, CA, Nov. 2011, abstract
published in The Journal of the Acoustical Society of America, 130(4), pg. 2427,
2011
Mathias, D., Fox, J., Horowitz, S., Temmen, M., “A High Speed Electrostatically
Actuated Al-MEMS Micromirror Array,” presented at AIAA Infotech@Aerospace,
St. Louis, MO, Mar. 29-31, 2011.
Horowitz, S., Mathias, D., Cortes, J., Trimm, R., Sanghadasa, M., Ashley, P.,
“Miniaturized Piezoelectric Sensors for Battlefield Awareness,” presented at
SENSIAC – Military Sensing Symposium, July 2010.
Horowitz, S.,
Mathias, D.,
Hernandez, C., Sanghadasa, M., Ashley, P.,
“Miniaturization of Piezoelectric Microphones, “presented at AIAA Infotech @
Aerospace, Atlanta, GA, Apr. 20-22, 2010.
Horowitz, S., Nishida, T., Cattafesta, L., and Sheplak, M., “A Micromachined
Piezoelectric Microphone for Aeroacoustics Applications”, presented at the Solid-
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State Sensor, Actuator and Microsystems Workshop, Hilton Head Island, SC, June
4-8, 2006.
Kadirvel, S., Liu, F., Horowitz, S., Nishida, T., Ngo, K., Cattafesta, L., and Sheplak, M.,
"A Self-Powered Wireless Active Acoustic Liner," presented at the 12th AIAA/CEAS
Aeroacoustics Conference, Cambridge, MA, May 2006.
Liu, F., Horowitz, S., Cattafesta, L., and Sheplak, M., "Optimization of an
Electromechanical Helmholtz Resonator," presented at the 12th AIAA/CEAS
Aeroacoustics Conference,, Cambridge, MA, May 2006.
Horowitz, S., Sheplak, M., Cattafesta, L., Nishida, T., “MEMS Acoustic Energy
Harvester”, presented at the 5th International Workshop on Micro Nanotechnology
for Power Generation and Energy Conversion Applications (PowerMEMS 05),
Tokyo, Japan, November 2005.
Horowitz, S., Nishida, T., Cattafesta, L., and Sheplak, M., “Development of an
Acoustical Energy Harvester”, presented at the 150th Meeting of the Acoustical
Society of America, Minneapolis, MN, October 2005.
Liu, F., Horowitz, S., Nishida, T., Cattafesta, L., and Sheplak, M., "A Transfer Matrix
Formulation of an Electromechanical Helmholtz Resonator," presented at the
150th Meeting of the Acoustical Society of America, Minneapolis, MN, October
2005.
Horowitz, S., Nishida, T., Cattafesta, L., and Sheplak, M ., “Design and
Characterization of a Micromachined Piezoelectric Microphone”, presented at the
11th AIAA/CEAS Aeroacoustics Conference, Monterey, CA, May 2005.
Taylor, R, Liu, F., Horowitz, S., Ngo, K., Nishida, T., Cattafesta, L., and Sheplak, M.,
"Technology Development for Electromechanical Acoustic Liners," Paper #A04093, presented at Active 04, Williamsburg, VA, September 2004.
Horowitz, S., Chen, T., Cattafesta, L., Sheplak, M., Nishida, T., Chandrasekaran, V.,
“Optical Flow Sensor Using Geometric Moiré Interferometry,” presented at the 34th
International Conference on Environmental Systems (ICES), Colorado Springs, CO,
July 19-22, 2004.
Horowitz, S., Chen, T., Chandrasekaran, V., Tedjojuwono, K., Cattafesta, L., Nishida,
T., Sheplak, M., “A Wafer-Bonded, Floating Element Shear-Stress Sensor Using a
Geometrical Moiré Optical Transduction Technique ,” presented at the Solid-State
Sensor, Actuator and Microsystems Workshop, Hilton Head Island, SC, pg. 13-18,
June 6 – 10, 2004.
Horowitz, S., Chen, T., Chandrasekaran, V., Tedjojuwono, K., Nishida, T., Cattafesta,
L., and Sheplak, M., “A Micromachined Geometric Moiré Interferometric FloatingElement Shear Stress Sensor,” AIAA Paper-, presented at the 42nd
Aerospace Sciences Meeting and Exhibit, Reno, NV, January 2004. (Best Paper,
AIAA Aerodynamic Measurement Technical Committee, 2004)
Kadirvel, K., Taylor, R., Horowitz, S., Hunt, L., Sheplak, M., and Nishida, T., “Design
and Characterization of a MEMS Optical Microphone,” AIAA Paper-,
presented at the 42nd Aerospace Sciences Meeting and Exhibit, Reno, NV, January
2004.
Liu, F., Horowitz, S., Wang, G., Nishida, T., Cattafesta, L.N., and Sheplak, M.,
“Characterization of a Tunable Electromechanical Helmholtz Resonator, “ AIAA
Paper-, presented at the 9th AIAA/CEAS Aeroacoustics Conference,
Hilton Head, SC, May 2003.
Kasyap, A., Horowitz, S., Lim, J-S., Ngo, K, Kurdila, A., Nishida, T., Sheplak, M., and
Cattafesta, L., "Energy Reclamation from a Vibrating Piezoceramic Composite
Beam," presented at the 9th International Congress on Sound and Vibration
(ICSV9), Orlando, FL, July 2002.
Horowitz, S., Kasyap, A., Liu, F., Johnson, D., Nishida, T., Ngo, K, Sheplak, M., and
Cattafesta, L., “Technology Development for Self-Powered Sensors,” AIAA Paper-, presented at the 1st AIAA Flow Control Conference, St. Louis, MO, June
2002.
Prasad, S.A.N., Sankar, B.V., Cattafesta, L.N., Horowitz, S., Gallas, Q., and Sheplak,
M., “Two-Port Electroacoustic Model of an Axisymmetric Piezoelectric Composite
Plate,” AIAA Paper-, presented at the 43rd AIAA/ASME/ASCE/AHS/ASC
Structures, Structural Dynamics, and Materials Conference, Denver, CO, April 2002.
Horowitz, S., Nishida, T., Cattafesta, L., and Sheplak, M., "Characterization of
Compliant-Backplate Helmholtz Resonators for an Electromechanical Acoustic
Liner”, AIAA Paper-, presented at the 40th AIAA Aerospace Sciences
Meeting, Reno, NV, January 2002.
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Horowitz, S., Nishida, T., Cattafesta, L.N., and Sheplak, M., “Impedance tuning of
an electromechanical acoustic liner”, presented at the 142nd Meeting of the
Acoustical Society of America, The Journal of the Acoustical Society of America,
November 2001, Volume 110, Issue 5, p. 2773.
Horowitz, S., Nishida, T., Cattafesta, L., and Sheplak, M., "Compliant-Backplate
Helmholtz Resonators for Active Noise Control Applications", AIAA Paper-, presented at the 39th AIAA Aerospace Sciences Meeting, Reno, NV, January
2001.