Jacques B Sombrin
About
Born March 1, 1949 in Lons (64) France
Engineering degrees from Ecole Polytechnique Paris 1969 and ENST Paris 1974
Senior member SEE, member EuMA, member IEEE (MTT, EDS, IT and COM)
Consulting Engineer since 2011 :
Consultancy and expertise in telecom satellite payloads, microwave, radiofrequency and signal
processing equipment. Writing a patent for CNES in 2012.
50 publications and communications since 2000
14 patents, 3 pending
“Integrated and secure systems” Chair Holder in Limoges University from 2013 to 2019
Seminars for thesis students and researchers in XLIM (Limoges University, France).
Researcher in TéSA (Space and Aeronautics Telecom Laboratory) since 2011 :
Research in signal processing, active and passive non-linearity, simulation and optimization of
telecom systems. This non-benefit laboratory associates CNES, TAS, Rockwell-Collins, STNA & all
signal processing university laboratories in Toulouse (France). Proposal of thesis subjects, proposal
of research subjects, work with thesis students. Seminars for thesis students and researchers.
Professor at ENSEEIHT (engineering school in Toulouse)
Senior expert and Assistant Director for Radio Frequencies (120 engineers) from 2003 to 2010.
Responsible for system (telecommunications, localization, collect) and RF payloads
Responsible for technical animation, technical policy and future preparation.
Management of support to GALILEO (navigation), AGORA (Ka broadband satellite), FLIP
(payload flexibility), SDMB (S band satellite broadcasting) and MEGASAT (second generation Ka
broadband satellite) space projects. Research and thesis subjects and management of activities
Main personal work:
Responsible for satellite and payload roadmaps in fixed and mobile telecommunications, satellite
navigation, telemetry, command and collect
Responsible for equipment roadmaps for microwaves, antennas, digital processors and space
navigation receivers
Participation to technical competency center in navigation.
Participation to AGORA, FLIP and MEGASAT payload and telecom system architecture.
Research on innovative telecom payload schematics
Optimization of SDMB amplifiers back-off point.
Comparison of EVM and NPR measurement.
Study of passive intermodulation in antennas
Retired from CNES end of 2010
Head of Transmission and Location division (55 engineers) from 1998 to 2003.
Responsible for antennas, signal processing, telemetry, command and ranging, telecommunications,
radar, and satellite navigation. Support to STENTOR (Ku telecom) and GALILEO space projects
Management of TCS21 project (development of advanced Ka band equipment and payload
techniques).
Main personal work:
Global telecom system optimization. Proposition of C/(N+I) optimization criterion
Active antennas architecture.
New coding and modulation and new telecom payload architecture to increase performance and
robustness to noise and linear or nonlinear distortion of the transmission channel
Study of neural networks for amplifier linearization
Participation to ACTS NEWEST in UE framework.
Participation to the definition of technical competency centers in signal processing, electromagnetics
& components
Head of Microwave department (10 engineers) from 1983 to 1998.
Responsibility of microwave space equipment R&D & support to space projects SPOT (Earth
observation), STENTOR & TDF (telecommunications) & POSEIDON (altimetry of sea level).
Main personal work:
STENTOR payload & POSEIDON microwave instrument architecture.
Improvement of tube (TWT, TWTA) and SSPA amplifiers electric efficiency
Improvement of microwave components, circuits & equipment
Optimization of payload performance
Miniaturization of microwave functions (MMIC), development of microwave CAD.
Multipactor effect study
Corona effect in air & in helium study.
Microwave Engineer in CNES (French Space Agency), from 1974 to 1983.
Main work:
Model & simulation of telecom satellites RF power amplifiers (tubes and solid state) non linearity
and their linearization.
Model, manufacturing & simulation of bi-mode cavity elliptic microwave filters
Implementation of non-linear payload system simulation software
Responsibility of payload architecture & microwave equipment development for SPOT & TDF
satellites (receivers, mixers, modulators, filters & power amplifiers).
Top-100
Fields of science
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Electrical and Electronic Engineering
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Electrical and Electronic Engineering, 6, 17.14%
Electrical and Electronic Engineering
6 publications, 17.14%
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Condensed Matter Physics
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Condensed Matter Physics, 4, 11.43%
Condensed Matter Physics
4 publications, 11.43%
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Electronic, Optical and Magnetic Materials
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Electronic, Optical and Magnetic Materials, 1, 2.86%
Electronic, Optical and Magnetic Materials
1 publication, 2.86%
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Radiation
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Radiation, 1, 2.86%
Radiation
1 publication, 2.86%
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Nuclear and High Energy Physics
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Nuclear and High Energy Physics, 1, 2.86%
Nuclear and High Energy Physics
1 publication, 2.86%
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Journals
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International Journal of Microwave and Wireless Technologies
2 publications, 5.71%
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IEEE Transactions on Circuits and Systems I: Regular Papers
1 publication, 2.86%
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IEEE Transactions on Plasma Science
1 publication, 2.86%
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Physics of Plasmas
1 publication, 2.86%
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IEEE Transactions on Microwave Theory and Techniques
1 publication, 2.86%
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Annales des Telecommunications/Annals of Telecommunications
1 publication, 2.86%
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IEEE Antennas and Propagation Magazine
1 publication, 2.86%
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IEEE Transactions on Electron Devices
1 publication, 2.86%
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2
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Citing journals
Publishers
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5
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Institute of Electrical and Electronics Engineers (IEEE)
5 publications, 14.29%
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Cambridge University Press
2 publications, 5.71%
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Springer Nature
1 publication, 2.86%
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AIP Publishing
1 publication, 2.86%
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5
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Organizations from articles
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25
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35
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Organization not defined
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Organization not defined, 31, 88.57%
Organization not defined
31 publications, 88.57%
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A.V. Gaponov-Grekhov Institute of Applied Physics of the Russian Academy of Sciences
2 publications, 5.71%
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Chalmers University of Technology
1 publication, 2.86%
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University of the Basque Country
1 publication, 2.86%
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University of Valencia
1 publication, 2.86%
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Université de Limoges
1 publication, 2.86%
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Countries from articles
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France
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France, 33, 94.29%
France
33 publications, 94.29%
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Country not defined
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Country not defined, 3, 8.57%
Country not defined
3 publications, 8.57%
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Russia
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Russia, 2, 5.71%
Russia
2 publications, 5.71%
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Spain
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Spain, 2, 5.71%
Spain
2 publications, 5.71%
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USA
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USA, 1, 2.86%
USA
1 publication, 2.86%
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Belgium
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Belgium, 1, 2.86%
Belgium
1 publication, 2.86%
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United Kingdom
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United Kingdom, 1, 2.86%
United Kingdom
1 publication, 2.86%
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Netherlands
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Netherlands, 1, 2.86%
Netherlands
1 publication, 2.86%
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Sweden
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Sweden, 1, 2.86%
Sweden
1 publication, 2.86%
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10
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25
30
35
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Citing organizations
Citing countries
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China
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China, 47, 21.46%
China
47 citations, 21.46%
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France
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France, 43, 19.63%
France
43 citations, 19.63%
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Country not defined
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Country not defined, 37, 16.89%
Country not defined
37 citations, 16.89%
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USA
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USA, 32, 14.61%
USA
32 citations, 14.61%
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Spain
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Spain, 10, 4.57%
Spain
10 citations, 4.57%
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Netherlands
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Netherlands, 10, 4.57%
Netherlands
10 citations, 4.57%
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Italy
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Italy, 7, 3.2%
Italy
7 citations, 3.2%
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Republic of Korea
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Republic of Korea, 7, 3.2%
Republic of Korea
7 citations, 3.2%
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Canada
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Canada, 6, 2.74%
Canada
6 citations, 2.74%
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Germany
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Germany, 4, 1.83%
Germany
4 citations, 1.83%
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United Kingdom
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United Kingdom, 4, 1.83%
United Kingdom
4 citations, 1.83%
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India
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India, 4, 1.83%
India
4 citations, 1.83%
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Luxembourg
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Luxembourg, 4, 1.83%
Luxembourg
4 citations, 1.83%
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Mexico
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Mexico, 4, 1.83%
Mexico
4 citations, 1.83%
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Russia
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Russia, 2, 0.91%
Russia
2 citations, 0.91%
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Austria
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Austria, 2, 0.91%
Austria
2 citations, 0.91%
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Belgium
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Belgium, 2, 0.91%
Belgium
2 citations, 0.91%
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Poland
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Poland, 2, 0.91%
Poland
2 citations, 0.91%
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Switzerland
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Switzerland, 2, 0.91%
Switzerland
2 citations, 0.91%
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Sweden
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Sweden, 2, 0.91%
Sweden
2 citations, 0.91%
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Japan
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Japan, 2, 0.91%
Japan
2 citations, 0.91%
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Portugal
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Portugal, 1, 0.46%
Portugal
1 citation, 0.46%
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Australia
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Australia, 1, 0.46%
Australia
1 citation, 0.46%
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Brazil
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Brazil, 1, 0.46%
Brazil
1 citation, 0.46%
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Iran
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Iran, 1, 0.46%
Iran
1 citation, 0.46%
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UAE
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UAE, 1, 0.46%
UAE
1 citation, 0.46%
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Turkey
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Turkey, 1, 0.46%
Turkey
1 citation, 0.46%
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- We do not take into account publications without a DOI.
- Statistics recalculated daily.