MOHAMMAD SAREHRAZ
Citizenship: U.S.
Sterling,
VA
e-mail:
sarehraz@yahoo.com
Phone: (703) 444-5534
WORK EXPERIENCE
Orbital Sciences Dulles, VA
June 2007 -
Present
SENIOR PRINCIPAL ENGINEER
Project
leading: design and testing of Satellite shaped-reflector
antenna and RF feed assembly. Overseas and domestic
subcontractor management, including scheduling and
budgeting. Customer negotiation and generation of
key procurement and hardware development and testing
documents.
Selected Accomplishments:
· Designed
and tested C-band circularly polarized single shell
shaped reflectors.
· Designed and tested Ku-band
linearly polarized dual shell shaped reflectors.
· Designed and tested C-band circularly polarized
Feed/OMT.
· Designed and tested Ku-band linearly
polarized diplexer/triplexer.
Phoenix International
(A John Deere Company) Fargo, ND
Jan. 2006 -
May 2007
SENIOR RF ENGINEER
Leading RF and
antenna design in the electronic design engineering
group and EMC testing.
Overseeing and supporting
the production and testing of the current GPS receiver.
Selected Accomplishments:
· Designed and tested
a GPS front-end for L1, L2 and L5 band (Including
a turnstil antenna).
· Designed and tested a
915 MHZ patch antenna for RFID application (MIL-STD).
· Designed and tested a 2.5 GHZ inverted F antenna
for bluetooth application.
· Developed test plans
for EMC and recommending the disposition of any
anomalies.
Nano CVD Co. Tampa, FL.
June 2006 - Present
RESEARCH SCIENTIST (Consultant)
Conducted analysis for and designed a
dielectric rod antenna in combination with a MIM
diode as an infrared detector, which was developed
to an un-cooled nanoscale infrared high-speed sensor.
University of South Florida (Clean Energy Research
Center), Tampa, Fl.
June 2005 - Jan. 2006
RESEARCH SCIENTIST (Post Doctorate)
Development
of an un-cooled mid-infrared detector for imaging
and non-invasive optical monitoring in medical application
deploying tunneling diode and dielectric rod antenna.
University of South Florida (Clean Energy Research
Center), Tampa, Fl.
August 2003 - May 2005
RESEARCH ASSISTANT
Researched the potential of
rectifying antennas (rectennas) as future solar
collectors (funded by NASA) by studying the characteristics
of solar radiation as an EM radiator, and adapting
rectenna designs to match the solar radiation characteristics
for optimum efficiency.
Selected Accomplishments:
· Designed, fabricated and measured the radiation
patterns of a 60 GHz dielectric rod antenna.
· Designed, fabricated and verified the polarization
of 7 GHz / 2.5 GHz dual port patch antennas.
· Designed a 2.5 GHz rectifier (Agilent HSMS2820)
and verified its rectification efficiency.
·
Modeled and verified the efficiency of tunneling,
and Schottky diodes (Agilent HSCH-9161).
University of South Florida (Wireless and Microwave
Center), Tampa, Fl.
Sept. 2002 - May 2003
RESEARCH ASSISTANT
Developed a communication
test bed for Prism-I and Prism-II chipsets (funded
by Intersil Corp.).
Selected Accomplishments:
· Designed a single stage broadband microwave
amplifier at 1.5 GHz (Motorola MRF974P).
· Designed
a transmitter and receiver at 5 GHz (including a
monopole antenna).
· Designed and fabricated
a phase shifter at 70 MHz for SSB modulation. (ZFMQ70ML).
· Designed and verified an IEEE 802.11b (WLAN) base-band
in FPGA (Altera UP1 board).
University of
South Florida (Electrical Engineering Department),
Tampa, Fl.
June 2001 - May 2003
INSTRUCTOR
Instructed wireless and microwave laboratory course.
Developed laboratory experiments for modulation
and demodulation schemes (AM, FM, QPSK, QAM).
Hesab Gostar Pooya (Acounting firm), The Netherlands
/ Iran.
April 1993 - March 1997
TECHNOLOGY
CONSULTANT (freelance)
Performed system evaluation
and procurement of hardware and software.
Perscombinatie (Newspapers publishing house),
Amsterdam, The Netherlands.
Oct. 1992 - March
1993
SYSTEM ADMINISTRATOR
Performed hardware
and software maintenance including system administration.
IBM, Amsterdam, The Netherlands.
Sept. 1991
- Sept. 1992
ELECTRICAL ENGINEER
Developed
and tested diagnostic programs for PS/2 motherboards.
Van de Water Enterprise, Amsterdam, The
Netherlands.
Sept.1990 - Feb.1991
ELCTRICAL
ENGINEER
Performed computer system upgrade, and
supported the client through the entire upgrade
cycle.
Rijkswaterstaat (Ministry of Water
Management), The Hague, The Netherlands.
Oct.
1989 - Feb.1990
ELCTRICAL ENGINEER
Developed
data acquisition software for the technical development
of a flood-prevention project.
EDUCATION
PhD, University of South Florida, Tampa, Florida,
May 2005.
Dissertation title: Novel Rectenna
for Collection of Infrared and Visible Radiation.
GPA: 3.9/4.0
MSEE, University of South Florida,
Tampa, Florida, May 2002.
Master's Studies: Telecommunications,
Wireless communications, and RF/Microwave.
GPA:
3.9/4.0
Certified Wireless Engineer, University
of South Florida, Tampa, Florida, July 2002.
BSEE, Algemene Hogeschool Amsterdam, Amsterdam,
The Netherlands, June 1991.
Senior Design: Analog
Colorimeter (VITATRON UC200).
CAD/CAE TOOLS
Simulation: ADS, HFSS, Q-Wave, MoM, EagleWare,
SPICE, EZNEC, GRASP, CHAMP, POS.
FPGA Tools:
Altera MAXplus.
Schematic Capture: Hewelt Packard
Advance Design System, OrCAD.
PROCESSING/MEASUREMENT
SKILLS
Processing Technique: Milling, and
Lithography.
Antenna Measurements: Anechoic
Chamber, Near Field Range, Compact Range, ,GTEM
Cell.
RF/Microwave Measurement: Network Analyzer,
Spectrum Analyzer, Source Generator, Digital Scope.
SOFTWARE/COMPUTER SKILLS
HDL languages:
VHDL.
Programming languages: C, Matlab, MatCad,
Pascal, Basic.
Assembly languages: 8088/86, Z80,
and MC68000 series.
Operating Systems: UNIX,
MS DOS, Windows, and Macintosh operating systems.
PATENTS AND PUBLICATIONS
Patents:
A Method to Obtain Full Wave Rectification of
Radiation Received From an Antenna.
M. Sarehraz,
K. Buckle, E. Stefanakos, T. Weller, Y. Goswami.
A High Frequency Feed Structure Applicable to
a Single Antenna or an Array.
M. Sarehraz, K.
Buckle, E. Stefanakos, T. Weller, Y. Goswami.
A Dual Polarized Feed Structure Applicable to
a Single Antenna or an Array.
M. Sarehraz, K.
Buckle, E. Stefanakos, T. Weller, Y. Goswami.
Publications:
Rectenna Developments
for Solar Energy Collection.
M. Sarehraz, K.
Buckle, E. Stefanakos, T. Weller, S. Bhansali S.
Krishnan, and Y. Goswami.
31st IEEE Photovoltaics
Specialists Conference and Exhibition, 2005.
An Aperture Coupled NRD Feed Structure for Dielectric
Rod Antennas.
M. Sarehraz, K. Buckle, E. Stefanakos,
and T. Weller,
IEEE International Workshop on
Antenna Technology, 2006
A Novel Dual Polarized
Dielectric Rod Antenna.
M. Sarehraz, K. Buckle,
E. Stefanakos, and T. Weller,
IEEE International
Workshop on Antenna Technology, 2006.
A Novel
Anti-phase Dual Port Patch Antenna.
M. Sarehraz,
K. Buckle, E. Stefanakos, and T. Weller,
IEEE
International Workshop on Antenna Technology, 2006.
Design and Development of Novel Rectenna based
Sensor for Infrared Detection.
S. Krishnan, M.
Sarehraz, S. Bhansali and E. Stefanakos,
209th
Meeting of The Electrochemical Society on Sensors,
and Actuators, 2006.
Uncooled Nanoscale Infrared
High-Speed Sensors for Missile Seeker Applications.
N. Kislov, M. Sarehraz, and E. Stefanakos, Defense &
Security Symposium in Orlando, 2006.
Solar
Rectenna Efficiency.
M. Sarehraz, K. Buckle,
E. Stefanakos, Y. Goswami.
Journal of Solar Energy,
2008 (submitted).
MIM Rectifier Efficiency
Model.
M. Sarehraz, S. Krishnan, K. Buckle, E.
Stefanakos, T. Weller, and S. Bhansali
IEEE
MTT-S International Microwave Symposium, 2008 (submitted)
REFERENCES AVAILABLE UPON REQUEST