L. Martens

Details der Publikationsliste

Zeitraum

1981 - 2008

Anzahl

123

Co-Autoren

Measuring oral health behaviour in Flemish health care workers: An application of the theory of planned behaviour (2008)

Martens, L., ...

OBJECTIVE: This study describes the development and validation of a questionnaire to measure the determinants of oral health related behaviour in health care workers, based on the Theory of Planned...

Optimal settings for frequency-selective measurements used for the exposure assessment around UMTS base stations (2007)

Olivier, C, Martens, L

To estimate the exposure around a base station, the frequency-selective electromagnetic field measurement with a spectrum analyzer and antenna is the most appropriate method. In this paper, a...

HFC access network design for switched broadcast TV services (2007)

Wauters, T, De Bruyne, J, Martens, L, Colle, D, Dhoedt, B, Derneester, P, ...

The Hybrid Fiber Coax (AFC) is a modern broadband access network, providing advanced interactive services such as Internet access, digital interactive television and cable telephony. The edge costs...

Different basic dosimetric quantities for the characterization of exposure to low-frequency electric and magnetic fields and the implication for practical exposure conditions and guidelines (2007)

Martens, L

In this paper, the different quantities for characterizing human exposure at extremely low frequencies (ELF) up to 100 kHz are described. It is explained how the incident field is disturbed by the...

Correction factor to be applied to the SAR in phantom models for occupational electromagnetic exposure (2007)

Joseph, W, Vermeeren, G, Martens, L

A correction factor dependent upon frequency, type of phantom, and incident polarization, which should be applied to the measured specific absorption rate is proposed for homogeneous phantoms. It is...

Caries patterns in primary dentition in 3-, 5- and 7-year-old children: spatial correlation and preventive consequences (2007)

García-Zattera, M J, Jara, A, Martens, L

This study aimed to contribute to the descriptive information of oral health status in the primary dentition, especially concerning the distribution and spatial correlation of lesions. Data were...

On-Body Measurements and Characterization of Wireless Communication Channel for Arm and Torso of Human (2007)

Reusens, E, Joseph, W, Vermeeren, G, Martens, L

This paper discusses the propagation channel between two half-wavelength dipoles placed near a human body. Different parts of the body are investigated separately. Statistical properties of the...

The minimum information about a proteomics experiment (MIAPE) (2007)

Taylor, C.F., Paton, N.W., Lilley, K.S., Binz, P-A, Julian, R.K., Jones, A.R., ...

Both the generation and the analysis of proteomics data are now widespread, and high-throughput approaches are commonplace. Protocols continue to increase in complexity as methods and technologies...

The need for cooperation and relaying in short-range high path loss sensor networks (2007)

Braem, B, Latré, B, Moerman, I, Blondia, C, Reusens, E, Joseph, W, ...

This paper focuses on the energy efficiency of communication in small-scale sensor networks experiencing high path loss. In particular, a sensor network on the human body or BASN is considered. The...

XMPP and iDTV or how to make television a social medium (2007)

Hoekman, K, Ide, M, Deryckere, T, Martens, L

Instant Messaging (IM) has the potential to become one of the killer applications for interactive Digital Television (iDTV) [12]. However, several factors make it difficult to provide a good...

DVB-H broadcast network design for indoor reception of DVB-H in Flanders (2007)

Joseph, W, Plets, D, Martens, L, Deventer, E, Gauderis, H, Van Bruwaene, K

The digital broadcasting standard DVB-H (Digital Video Broadcasting - Handheld) enables a high data rate broadcast access for hand-held terminals. In the Flemish DVB-H trial, the network is designed...

Extensions of the capacity of broadband access networks (2007)

De Bruyne, J, Joseph, W, Martens, L

A main challenge for broadband wired access networks (Hybrid Fiber/Coax or HFC network studied in this paper) is the heavily increasing demand for bandwidth. Several methods can be proposed for...

A profile based recommendation system for TV-anytime annotated content (2007)

De Pessemier, T, Martens, L

The enormous offer of video content on the internet and TV broadcast networks requires new instruments to assist people in selecting the appropriate content. Currently, video retrieval is done with...

Large-scale fading in industrial environments at wireless communication frequencies (2007)

Tanghe, E, Joseph, W, Martens, L, Capoen, H, Van Herwegen, K, Vantomme, W

The indoor radio channel has been an active topic of research in recent years. Various measurements have been performed to determine propagation characteristics of electromagnetic waves in houses and...

On-body measurements and characterization of wireless communication channel for arm and torso of human (2007)

Reusens, E, Joseph, W, Vermeeren, G, Martens, L

This paper discusses the propagation channel between two half-wavelength dipoles placed near a human body. Different parts of the body are investigated separately. Statistical properties of the...

Disturbance of measurement probe for exposure assessment of a base station antenna near a ground plane (2006)

Joseph, W, Roelens, L, Martens, L

The disturbance caused by a measurement probe close to a ground plane is characterized. A trade-off must be made between disturbance and sensitivity. An optimal probe for electromagnetic exposure...

Reconstruction of the polarization ellipse of the EM field of telecommunication and broadcast antennas by a fast and low-cost measurement method (2006)

Joseph, W, Verloock, L, Martens, L

A low-cost measurement method for the extraction of the relative phases of the field of base station and broadcast antennas is presented. Our purpose is to determine the polarization of the field at...

Theoretical derivation of the stochastic behavior of a WCDMA signal measured with a spectrum analyzer (2006)

Olivier, C, Martens, L

Frequency-selective measurements with a spectrum analyzer are the most obvious means to accurately measure the power of a communication signal. In this paper, models for the spectrum analyzer and for...

Under the kitchen surface : domestic products and conflicting constructions of home. (2006)

Martens, L., Scott, S.

This paper examines how the product world around domestic cleanliness plays with the dual construction of the home as safe and dangerous. By participating in this construction, cleaning products...

Path loss model for wireless narrowband communication above flat phantom (2006)

Roelens, L, Joseph, W, Vermeeren, G, Martens, L

A new empirical path loss model for wireless communication at 2.4 GHz above a flat, lossy medium, representing human tissue, is presented. The model is valid for dipole antennas for heights up to 5...

Characterization of the path loss near flat and layered biological tissue for narrowband wireless body area networks (2006)

Roelens, L, Joseph, W, Martens, L

This paper discusses the path loss between two half-wavelength dipoles near flat, biological tissue at 2.4 GHz. Both homogeneous and layered media are investigated. The influence of the antenna...

Performance evaluation of broadband fixed wireless system based on IEEE 802.16 (2006)

Joseph, W, Martens, L

Fixed Wireless Access systems operating below 11 GHz have the potential to provide broadband wireless access for non line-of-sight operation. In this paper the performance of a typical broadband...

Analysis and development of an MHP application for live event broadcasting and videoconferencing (2006)

Demeyere, K, Deryckere, T, Martens, L

The introduction of Interactive Digital Television (iDTV) is about to completely change the user experience of television in the living room. In our opinion, the iDTV infrastructure lends itself...

iTV and XMPP - a promising combination (2006)

Hoekman, K, Deryckere, T, Martens, L

Instant Messaging (IM) has the potential to become one of the killer applications of iTV (Quico, 2003). However, several factors make it difficult to provide a good implementation of IM applications....

Comparison of path loss near homogeneous medium, layered medium and anatomically correct human model (2006)

Roelens, L, Joseph, W, Martens, L

This paper presents a path loss model for two half-wavelength dipoles at 2.4 GHz placed closely to a flat, homogeneous medium and compares the path loss near a flat homogeneous medium, a flat layered...

Path loss model for wireless applications at 3500 MHz (2006)

Joseph, W, Roelens, L, Martens, L

Fixed Wireless Access (FWA) systems such as WiMax (Worldwide Interoperability for Microwave Access) – based on the standard IEEE 802.16 [1] – gain popularity as “last mile access...

The relation between SAR and the electromagnetic field distribution for heterogeneous exposure conditions (2006)

Neubauer, G, Cecil, S, Preiner, P, Mitrevski, N, Vermeeren, G, Joseph, W, ...

In the frame of this part of the EUREKA project BASEXPO the relation between the specific absorption rate and the electric field strength is investigated for real life exposure conditions arising...

The unbearable lightness of cleaning : representations of domestic practice and products in Good Housekeeping Magazine (UK): 1951-2001. (2005)

Martens, L., Scott, S.

In this paper we begin to open the black box that constitutes the organisation of domestic cleaning and consumption in the latter half of the twentieth century. We focus specifically on change and...

Comparison of safety distances based on the electromagnetic field based on the SAR for occupational exposure of a 900-MHz base station antenna (2005)

Joseph, W, Martens, L

A comparison between the safety distances of a base station antenna using electromagnetic field and the specific absorption rate (SAR) assessment is made. The input power in the antenna is determined...

Oral health in prevalent types of Ehlers-Danlos syndromes (2005)

De Coster, P, Martens, L, De Paepe, A

BACKGROUND: The Ehlers-Danlos syndromes (EDS) comprise a heterogenous group of heritable disorders of connective tissue, characterized by joint hypermobility, skin hyperextensibility and tissue...

Model of a dipole antenna in free-space and near a perfectly electrical conducting plate (2005)

Stevens, N, Martens, L

In this paper, an accurate method is developed to model dipole antennas in free-space or near an infinite perfectly electrical conducting plate. The magnetic field integral equation is implemented...

Optimal settings for narrow-band signal measurements used for exposure assessment around GSM base stations (2005)

Olivier, C, Martens, L

The use of frequency-selective measurements for the assessment of the worst-case exposure to electromagnetic fields radiated by GSM base stations is widely accepted to check the compliance with the...

An improved method to determine the antenna factor (2005)

Joseph, W, Martens, L

In this paper, we present an improved method to determine the antenna factor of three antennas. Instead of using a reflecting ground plane, we use absorbers. Destructive interference between the...

Electromagnetic safety of children using wireless phones: A literature review (2005)

Martens, L

In this article, several issues related to the safety of electromagnetic field exposure of children when using wireless devices such as mobile phones are described. The information available in the...

Determination of a complex incident field based on electromagnetic measurements (2005)

Joseph, W, Martens, L

In this paper, a low-cost measurement method for the extraction of the polarization of electromagnetic fields for in-the-field measurements using six magnitude measurements only will be presented....

Path loss model for wireless narrowband communication near biological tissue (2005)

Roelens, L, Martens, L

This paper discusses path loss measurements and simulations between two half wavelength dipoles near biological tissue. An empirical path loss model for wireless communication above brain and muscle...

Determination of a complex incident field based on electromagnetic measurements (2005)

Joseph, W, Martens, L

In this paper, a low cost measurement method for the extraction of the polarization of electromagnetic fields for in-the-field measurements using six magnitude measurements only, will be presented....

Electromagnetic safety of children using wireless phones: A literature review (2005)

Martens, L

In this article, several issues related to the safety of electromagnetic field exposure of children when using wireless devices such as mobile phones are described. The information available in the...

Electromagnetic dosimetry of the SAR for a walkie-talkie set-up (2005)

Martens, L, Vermeeren, G

Nowadays, the walkie-talkie is becoming popular again with adults and children. The revival of the walkie-talkie can mainly be attributed to the free-of-charge connection. Furthermore, the quality of...

Accurate electromagnetic exposure assessment around UMTS base stations with a spectrum analyzer (2005)

Martens, L, Olivier, C

The purpose of the investigation was to derive the optimal configuration of the spectrum analyser when used for the exposure assessment around base stations, together with the associated uncertainty...

Learning to consume : consuming to learn : children at the interface between consumption and education. (2005)

Martens, L.

The market as educator has become firmly lodged at the centre of popular and scholarly debate commenting on the nexus between children, consumption and education/learning. In this paper, I appreciate...

Craniofacial structure in Marfan syndrome: A cephalometrie study (2004)

De Coster, P, De Pauw, G, Martens, L, De Paepe, A

Marfan syndrome (MFS) is a connective tissue disorder with autosomal dominant inheritance. Mutations in the FBN1 gene cause deficient processing of fibrillin-1, the main constituent of extracellular...

The natural history, including orofacial features of three patients with Ehlers-Danlos syndrome, dermatosparaxis type (EDS type VIIC) (2004)

Malfait, F, De Coster, P, Hausser, I, Van Essen, A, Franck, P, Colige, A, ...

Ehlers-Danlos syndrome (EDS) dermatosparaxis type (type VIIC) and the related disease of cattle dermatosparaxis, are recessively inherited connective tissue disorders, caused by a deficient activity...

Bringing children (and parents) into the sociology of consumption : towards a theoretical and empirical agenda. (2004)

Martens, L., Southerton, D., Scott, S.

The sociology of consumption pays relatively little detailed and systematic theoretical attention to children, while the sociology of childhood tends to view children’s consumption through what can...

The value of a baseline caries risk assessment model in the primary dentition for the prediction of caries incidence in the permanent dentition (2001)

Martens, L

To establish a reliable screening method for caries prediction and to identify predominant risk factors, this study tested whether a cross-sectional caries risk model assessed at age 7 could be used...

Deegrijp stadium optimaal voor oogst van triticale als GPS (2000)

Martens, L., Boomaerts, J.

Het optimale oogsttijdstip van GPS is in het deegrijpe stadium van de korrel; het drogestofgehalte van de gehele plant ligt dan rond de 40%.

The Average Value Ranking multi-criteria method for project evaluation in regional planning (1992)

HUYLENBROECK, G. VAN, MARTENS, L.

A major problem in regional planning is the choice of the plan to be implemented. Because non-monetary effects are becoming more important, a multicriteria method is presented allowing a ranking of...

The Average Value Ranking Multi-criteria Method for Project Evaluation in Regional Planning.

Van Huylenbroeck, G, Martens, L

A major problem in regional planning is the choice of the plan to be implemented. Because non-monetary effects are becoming more important, a multi-criteria method is presented allowing a ranking of...