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Yoann Paichard - IEEE Xplore Author Profile

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Author details

Yoann Paichard

Also published under: Y. Paichard

Publications

22

Citations

270

Publications by Year

20062023

Co-Authors:

Øyvind AardalTor BergerGerard BobillotDominik BokMarc Brooker

Show All Co-Authors (33)

Yoann Paichard

Also published under: Y. Paichard

Affiliation

Electromagnetism and Radar Department

ONERA - Université Paris-Saclay

Palaiseau, France

Publication Topics

Antenna Array,
Continuous Wave,
Dielectric Constant,
Heart Wall,
Radar Measurements,
Vector Network Analyzer,
Antenna Gain,
Body Surface,
Cardiac Cycle,
Element Spacing,
Heart Imaging,
Human Heartbeat

Biography

Yoann Paichard (M'05) received the M.Eng. degree in electrical engineering from the National Institute of Applied Science, Rennes, France, the M.Sc. degree in electronics and communications systems from the University of Pierre and Marie Curie, Paris, France, and the Ph.D. degree in physics from the University of Paris-Sud, Orsay, France, in 2001, 2003, and 2007, respectively.,From 2003 to 2007, he carried out research at the French Aerospace Lab, Onera, France, on ultra-wideband radars and on real-time imaging radars applied to micro-Doppler measurements. In 2008, he joined the Radar Remote Sensing Group as a Lecturer at the University of Cape Town, Cape Town, South Africa, where he was involved in the design of passive coherent location r...

Publications

22

Citations

270

Publications by Year

20062023

Co-Authors:

Øyvind Aardal
Tor Berger
Gerard Bobillot
Dominik Bok
Marc Brooker

Show All Co-Authors (33)

Author's Published Works

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Showing 1-22 of 22 results

Conferences (19)

Journals (2)

Magazines (1)

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Yoann Paichard(21)
Michael Inggs(8)
Svein-Erik Hamran(6)
Tor Sverre Lande(6)
Øyvind Aardal(6)
Department of Informatics, University of Oslo, Oslo, Norway(4)
Department of Electrical Engineering, University of Cape Town, Rondebosch, South Africa(3)
Norwegian Defence Research Establishment (FFI), Kjeller, Norway(3)
Centre for High Performance Computing, Rosebank, South Africa(2)
Norwegian Defence Research Establishment, Kjeller, Norway(1)
2010 IEEE Radar Conference(4)
2009 International Waveform Diversity and Design Conference(2)
2011 IEEE RadarCon (RADAR)(2)
2006 IEEE Instrumentation and Measurement Technology Conference Proceedings(1)
2009 European Radar Conference (EuRAD)(1)
IEEE(22)
Arlington, VA, USA(4)
Kansas City, MO, USA(2)
Kissimmee, FL, USA(2)
Berlin, Germany(1)
Bordeaux, France(1)
Radar Cross Section(8)
Radar System(6)
Continuous Wave(5)
Radar Waveform(5)
Airport(4)

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iFURTHER Project - A Cognitive Network of HF Radars for Europe Defence

Stéphane Saillant;Dominik Bok;Jean-Philippe Molinié;Apostolos Leventis;Piotr Samczynski;Philippe Brouard;Anna Lisa Saverino;Amerigo Capria;Yoann Paichard

2023 IEEE International Radar Conference (RADAR)

Year: 2023 | Conference Paper |

Cited by: Papers (4)

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This paper presents the European project named iFURTHER that focuses on multi-site HF-OTH-R approaches. Facing the new military threats, the European Union seeks to develop disruptive defence systems that benefit from a new robust capability to complement existing surveillance systems. The iFURTHER project conceptualises the idea of a cognitive network of HF radars over Europe that provides the ca...Show More

iFURTHER Project - A Cognitive Network of HF Radars for Europe Defence

Stéphane Saillant;Dominik Bok;Jean-Philippe Molinié;Apostolos Leventis;Piotr Samczynski;Philippe Brouard;Anna Lisa Saverino;Amerigo Capria;Yoann Paichard

2023 IEEE International Radar Conference (RADAR)

Year: 2023 | Conference Paper |

Prototyping a Radar Sensor based on a Xilinx RFSoC Device for Detect-And-Avoid onboard Small UAV

Valentine Wasik;Laurent Casadebaig;Benjamin Gabard;Benjamin Gigleux;Loïc Castanet;Yoann Paichard;Hervé Jeuland

2023 20th European Radar Conference (EuRAD)

Year: 2023 | Conference Paper |

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This paper presents the development of an experimental radar payload by ONERA, onboard a small multirotor Unmanned Aerial Vehicle (UAV). The objective is to detect aerial targets for autonomous Detect-And-Avoid (DAA) purposes. The payload design combines low cost modular RF architecture with digital back-end based on the new FPGA RFSoC technologies from Xilinx. Experimental trials have been conduc...Show More

Prototyping a Radar Sensor based on a Xilinx RFSoC Device for Detect-And-Avoid onboard Small UAV

Valentine Wasik;Laurent Casadebaig;Benjamin Gabard;Benjamin Gigleux;Loïc Castanet;Yoann Paichard;Hervé Jeuland

2023 20th European Radar Conference (EuRAD)

Year: 2023 | Conference Paper |

Time-Lapse Imaging of Human Heart Motion With Switched Array UWB Radar

Sverre Brovoll;Tor Berger;Yoann Paichard;Øyvind Aardal;Tor Sverre Lande;Svein-Erik Hamran

IEEE Transactions on Biomedical Circuits and Systems

Year: 2014 | Volume: 8, Issue: 5 | Journal Article |

Cited by: Papers (39)

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Radar systems for detection of human heartbeats have mostly been single-channel systems with limited spatial resolution. In this paper, a radar system for ultra-wideband (UWB) imaging of the human heart is presented. To make the radar waves penetrate the human tissue the antenna is placed very close to the body. The antenna is an array with eight elements, and an antenna switch system connects the...Show More

Time-Lapse Imaging of Human Heart Motion With Switched Array UWB Radar

Sverre Brovoll;Tor Berger;Yoann Paichard;Øyvind Aardal;Tor Sverre Lande;Svein-Erik Hamran

IEEE Transactions on Biomedical Circuits and Systems

Year: 2014 | Volume: 8, Issue: 5 | Journal Article |

Design of a Wide-angle Scan, X-band, digital array radar antenna

Fredrik Gulbrandsen;Asgeir Nysaeter;Yoann Paichard

2014 IEEE Radar Conference

Year: 2014 | Conference Paper |

Cited by: Papers (5)

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This paper presents the design of an X-band 8×8 digital array radar antenna with aperture-coupled stacked patch antenna elements. The use of a resonant aperture and stacked patches resulted in a -10 dB reflection coefficient bandwidth of 7.6-12.8 GHz (51%). Scan angles up to ±80 have been achieved for certain frequencies and ±55 for a frequency band of 8-8.50 GHz. The array has been built using lo...Show More

Design of a Wide-angle Scan, X-band, digital array radar antenna

Fredrik Gulbrandsen;Asgeir Nysaeter;Yoann Paichard

2014 IEEE Radar Conference

Year: 2014 | Conference Paper |

Time-lapse imaging of human heartbeats using UWB radar

Sverre Brovoll;Tor Berger;Yoann Paichard;Øyvind Aardal;Tor Sverre Lande;Svein-Erik Hamran

2013 IEEE Biomedical Circuits and Systems Conference (BioCAS)

Year: 2013 | Conference Paper |

Cited by: Papers (11)

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Radar systems for detection of human heartbeats have mostly been single-channel systems with limited spatial resolution. In this paper, a radar for ultra-wideband (UWB) imaging of dynamic reflectors inside the human body is presented. To make the radar waves penetrate the human tissue a body-contact antenna is used. The antenna is an array with eight elements, and an antenna switch system connects...Show More

Time-lapse imaging of human heartbeats using UWB radar

Sverre Brovoll;Tor Berger;Yoann Paichard;Øyvind Aardal;Tor Sverre Lande;Svein-Erik Hamran

2013 IEEE Biomedical Circuits and Systems Conference (BioCAS)

Year: 2013 | Conference Paper |

Optimal frequency range for medical radar measurements of human heartbeats using body-contact radar

Sverre Brovoll;Øyvind Aardal;Yoann Paichard;Tor Berger;Tor Sverre Lande;Svein-Erik Hamran

2013 35th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)

Year: 2013 | Conference Paper |

Cited by: Papers (9)

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In this paper the optimal frequency range for heartbeat measurements using body-contact radar is experimentally evaluated. A Body-contact radar senses electromagnetic waves that have penetrated the human body, but the range of frequencies that can be used are limited by the electric properties of the human tissue. The optimal frequency range is an important property needed for the design of body-c...Show More

Optimal frequency range for medical radar measurements of human heartbeats using body-contact radar

Sverre Brovoll;Øyvind Aardal;Yoann Paichard;Tor Berger;Tor Sverre Lande;Svein-Erik Hamran

2013 35th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)

Year: 2013 | Conference Paper |

Detecting changes in the human heartbeat with on-body radar

Øyvind Aardal;Sverre Brovoll;Yoann Paichard;Tor Berger;Tor Sverre Lande;Svein-Erik Hamran

2013 IEEE Radar Conference (RadarCon13)

Year: 2013 | Conference Paper |

Cited by: Papers (16) | Patents (1)

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Radar can be used to detect human heartbeats. This makes radar a potential alternative to today's heartbeat monitoring techniques in medicine. In this paper, two antennas were located on the chest to monitor the heart activity. Simultaneous with the radar measurements, the Electrocardiogram (ECG) and blood pressure were measured. Details of the heart activity, such as opening and closing of heart ...Show More

Detecting changes in the human heartbeat with on-body radar

Øyvind Aardal;Sverre Brovoll;Yoann Paichard;Tor Berger;Tor Sverre Lande;Svein-Erik Hamran

2013 IEEE Radar Conference (RadarCon13)

Year: 2013 | Conference Paper |

Physical Working Principles of Medical Radar

Øyvind Aardal;Yoann Paichard;Sverre Brovoll;Tor Berger;Tor Sverre Lande;Svein-Erik Hamran

IEEE Transactions on Biomedical Engineering

Year: 2013 | Volume: 60, Issue: 4 | Journal Article |

Cited by: Papers (75)

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There has been research interest in using radar for contactless measurements of the human heartbeat for several years. While many systems have been demonstrated, not much attention have been given to the actual physical causes of why this work. The consensus seems to be that the radar senses small body movements correlated with heartbeats, but whether only the movements of the body surface or refl...Show More

Physical Working Principles of Medical Radar

Øyvind Aardal;Yoann Paichard;Sverre Brovoll;Tor Berger;Tor Sverre Lande;Svein-Erik Hamran

IEEE Transactions on Biomedical Engineering

Year: 2013 | Volume: 60, Issue: 4 | Journal Article |

Chest movement estimation from radar modulation caused by heartbeats

Øyvind Aardal;Svein-Erik Hamran;Tor Berger;Yoann Paichard;Tor Sverre Lande

2011 IEEE Biomedical Circuits and Systems Conference (BioCAS)

Year: 2011 | Conference Paper |

Cited by: Papers (15)

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Heartbeats can be measured at a distance using radar to record the chest movements. The physiological motion appear as modulations in both phase and amplitude in the radar recording. In this paper, a single reflector model of the heartbeat is used to estimate the chest motion and find the movement in millimeters. Experimental results from 10-18GHz measurements are presented, and the validity of th...Show More

Chest movement estimation from radar modulation caused by heartbeats

Øyvind Aardal;Svein-Erik Hamran;Tor Berger;Yoann Paichard;Tor Sverre Lande

2011 IEEE Biomedical Circuits and Systems Conference (BioCAS)

Year: 2011 | Conference Paper |

Passive radar using a software-defined radio platform and opensource software tools

Sebastiaan Heunis;Yoann Paichard;Michael Inggs

2011 IEEE RadarCon (RADAR)

Year: 2011 | Conference Paper |

Cited by: Papers (24)

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This paper presents a prototype passive radar system that utilises FM radio transmitters for target detection. The system is based on the Universal Software Radio Peripheral (USRP) hardware platform and the opensource GNURadio software-defined radio (SDR) toolkit. The hardware components that were required to implement the passive radar receiver are introduced. The signal processing software that ...Show More

Passive radar using a software-defined radio platform and opensource software tools

Sebastiaan Heunis;Yoann Paichard;Michael Inggs

2011 IEEE RadarCon (RADAR)

Year: 2011 | Conference Paper |

A new probabilistic data association filter based on composite expanding and fading memory polynomial filters

Roaldje Nadjiasngar;Michael Inggs;Yoann Paichard;Norman Morrison

2011 IEEE RadarCon (RADAR)

Year: 2011 | Conference Paper |

Cited by: Papers (3)

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This paper presents the use of composite expanding and fading memory polynomial filters performing tracking in conditions of heavy clutter and low probability of detection. The composite expanding and fading memory polynomial filters are modified to incorporate probabilistic data association, and a simulation study shows that this new type of filtering offers performance comparable to the linear K...Show More

A new probabilistic data association filter based on composite expanding and fading memory polynomial filters

Roaldje Nadjiasngar;Michael Inggs;Yoann Paichard;Norman Morrison

2011 IEEE RadarCon (RADAR)

Year: 2011 | Conference Paper |

A quantitative method for mono- and multistatic radar coverage area prediction

Michael Inggs;Gunther Lange;Yoann Paichard

2010 IEEE Radar Conference

Year: 2010 | Conference Paper |

Cited by: Papers (24)

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The prediction of radar coverage as a function of the position of the radar has always been a key step in radar network planning. In the past, simple geometric models backed up by the deployment of siting radars were the only options for potential site evaluation, but the development of sophisticated propagation models (e.g. AREPS [1]) has moved the technology forward to another level of predictio...Show More

A quantitative method for mono- and multistatic radar coverage area prediction

Michael Inggs;Gunther Lange;Yoann Paichard

2010 IEEE Radar Conference

Year: 2010 | Conference Paper |

OFDM waveforms for multistatic radars

2010 IEEE Radar Conference

Year: 2010 | Conference Paper |

Cited by: Papers (4)

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In this paper, the benefits of OFDM waveforms are analyzed for multistatic radar systems, where several radar stations cooperate in the same frequency band. The signal is coded over a 2D pattern, in the time and the frequency domains, using orthogonal Golay complementary sets derived from Reed-Muller codes. Binary data are also encoded in the signal. The obtained ambiguity and cross-ambiguity func...Show More

OFDM waveforms for multistatic radars

2010 IEEE Radar Conference

Year: 2010 | Conference Paper |

Null placement in a circular antenna array for Passive Coherent Location systems

Pei-Hung Evan Tsai;Kaathima Ebrahim;Gunther Lange;Yoann Paichard;Michael Inggs

2010 IEEE Radar Conference

Year: 2010 | Conference Paper |

Cited by: Papers (7)

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Passive Coherent Radar (PCL) is heavily constrained by the level of direct signal illumination. This paper investigates null steering techniques for a circular array antenna. An 8-element circular array has been designed and a method is proposed to steer multiple nulls in different directions. We present computed performance for two nulls achieved simultaneously. An 8 element dipole array has been...Show More

Null placement in a circular antenna array for Passive Coherent Location systems

Pei-Hung Evan Tsai;Kaathima Ebrahim;Gunther Lange;Yoann Paichard;Michael Inggs

2010 IEEE Radar Conference

Year: 2010 | Conference Paper |

Autonomic subsystems for cognition in Passive Coherent Location

Michael Inggs;Gunther Lange;Yoann Paichard

2010 IEEE Radar Conference

Year: 2010 | Conference Paper |

Cited by: Papers (1)

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In a previous paper we mentioned that Passive Coherent Location (PCL) can be thought of as Cognitive Radar. The deployment of PCL systems (also known as Passive Bistatic Radar-PBR) is fraught with difficulty, even in the situation of a spatially static network of transmitters and receivers. It is well known that PCL systems have to take into account the strong, direct signals of cooperative and op...Show More

Autonomic subsystems for cognition in Passive Coherent Location

Michael Inggs;Gunther Lange;Yoann Paichard

2010 IEEE Radar Conference

Year: 2010 | Conference Paper |

Signal level Simulator for netted text radar waveforms evaluation

Yoann Paichard;Marc Brooker;Michael Inggs

IEEE Aerospace and Electronic Systems Magazine

Year: 2010 | Volume: 25, Issue: 3 | Magazine Article |

Cited by: Papers (2)

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When evaluating the performances of radar waveforms, it is crucial to understand how the signal is affected by multiple interactions with the environment and the system hardware. Analysis of complex radar systems, such as multistatic and netted designs (see Figure 1) is often intractable without the application of a dedicated radar simulation system. Recent research into radar simulation has focus...Show More

Signal level Simulator for netted text radar waveforms evaluation

Yoann Paichard;Marc Brooker;Michael Inggs

IEEE Aerospace and Electronic Systems Magazine

Year: 2010 | Volume: 25, Issue: 3 | Magazine Article |

Passive Coherent Location system planning tool

Michael Inggs;Yoann Paichard;Gunther Lange

2009 International Radar Conference "Surveillance for a Safer World" (RADAR 2009)

Year: 2009 | Conference Paper |

Cited by: Papers (1)

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This paper describes a method of modelling the performance of a Passive Coherent Location (PCL) system, utilizing a rigorous propagation model. The model allows for spatial and frequency diversity of the network of receivers and transmitters implementing a proposed Passive Coherent Location system. The modelling includes the important calculation of Signal to Interference ratio, a major limitation...Show More

Passive Coherent Location system planning tool

Michael Inggs;Yoann Paichard;Gunther Lange

2009 International Radar Conference "Surveillance for a Safer World" (RADAR 2009)

Year: 2009 | Conference Paper |

Performance analysis for MIMO MC-CDMA systems with imperfect channel estimation

Jingxu Han;Yoann Paichard

2009 International Conference on Wireless Communications & Signal Processing

Year: 2009 | Conference Paper |

Cited by: Papers (3)

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An accurate, closed-form expression for the bit error rate (BER) of the space-time block coding (STBC) multicarrier code-division multiple-access (MC-CDMA) system with imperfect channel estimation is derived by using moment generating functions (MGF), and the accuracy of which is verified by computer simulations. In this paper, the effect of errors in the channel estimation on the transmit diversi...Show More

Performance analysis for MIMO MC-CDMA systems with imperfect channel estimation

Jingxu Han;Yoann Paichard

2009 International Conference on Wireless Communications & Signal Processing

Year: 2009 | Conference Paper |

Multistatic Passive Coherent Location radar systems

Y. Paichard;M.R. Inggs

2009 European Radar Conference (EuRAD)

Year: 2009 | Conference Paper |

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The use of signals of opportunity such as television or radio signals to detect and track targets has cyclically entered and left technology fashion. However, due to high constraints in the receiver design, and the signal processing implementation in real time, operational systems have appeared only recently. This paper present a multistatic passive coherent location (PCL) system, where the signal...Show More

Multistatic Passive Coherent Location radar systems

Y. Paichard;M.R. Inggs

2009 European Radar Conference (EuRAD)

Year: 2009 | Conference Paper |

Orthogonal multicarrier phased coded signal for netted radar systems

2009 International Waveform Diversity and Design Conference

Year: 2009 | Conference Paper |

Cited by: Papers (10)

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Orthogonal multicarrier radar waveforms have been designed for netted radar systems, where several radar stations are active simultaneously. The waveforms are phase-coded using orthogonal Golay complementary sets, derived from Reed Muller codes. These codes constrain the PMEPR of the signal to a maximum a 3 dB. Besides, ambiguity functions and cross-ambiguity functions with low sidelobes have been...Show More

Orthogonal multicarrier phased coded signal for netted radar systems

2009 International Waveform Diversity and Design Conference

Year: 2009 | Conference Paper |

A signal level simulator for netted radar waveforms evaluation

Yoann Paichard;Marc Brooker;Michael Inggs

2009 International Waveform Diversity and Design Conference

Year: 2009 | Conference Paper |

Cited by: Papers (1)

HTML

When evaluating the performances of radar waveforms, it is crucial to understand how the signal is affected by multiple interactions with the environment and the system hardware. Analysis of complex radar systems, such as multistatic and netted designs (see Fig. 1) is often intractable without the application of a dedicated radar simulation system. Recent research into radar simulation has focused...Show More

A signal level simulator for netted radar waveforms evaluation

Yoann Paichard;Marc Brooker;Michael Inggs

2009 International Waveform Diversity and Design Conference

Year: 2009 | Conference Paper |

HYCAM: A RCS Measurement and Analysis System for Time-Varying Targets

Yoann Paichard;Juan Carlos Castelli;Philippe Dreuillet;Gerard Bobillot

2006 IEEE Instrumentation and Measurement Technology Conference Proceedings

Year: 2006 | Conference Paper |

Cited by: Papers (16)

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The measurement of the radar cross section (RCS) of time-varying targets, which variation of reflectivity are caused by geometrical or radioelectrical deformations has to tackle sever constraints. Indeed the measurement time must be short enough so that the phenomenon under study can be considered as stationary. Besides, the frequency bandwidth of the system has to be wide enough for a fine analys...Show More

HYCAM: A RCS Measurement and Analysis System for Time-Varying Targets

Yoann Paichard;Juan Carlos Castelli;Philippe Dreuillet;Gerard Bobillot

2006 IEEE Instrumentation and Measurement Technology Conference Proceedings

Year: 2006 | Conference Paper |

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