Results 241 to 250 of about 1,127,868 (280)

Extraction of metamaterial parameters

2015 IEEE 6th International Symposium on Microwave, Antenna, Propagation, and EMC Technologies (MAPE), 2015
In this paper, we present to retrieve the effective electromagnetic parameters of a metamaterial. In this retrieval method, calculated or measured scattering parameters are employed for plane wave incident obliquely on a metamaterial slab at different angles.
null Yunmei Si, null Zhan Zhang
openaire   +1 more source

Accurate broadband parameter extraction methodology for s-parameter measurements

Proceedings. 9th IEEE Workshop on Signal Propagation on Interconnects, 2005., 2005
GHz range operating frequencies of today's semiconductor devices demand accurate interconnect models. Constructing accurate and scalable models require extraction of interconnect parameters namely resistance-R, inductance-L, capacitance-C and conductance-G from measured S-parameters. The parameter extraction is error prone influenced by half-wavelength
Balachandran, J., Brebels, S., Carchon, G., de Raedt, W., Nauwelaers, B., Beyne, E.   +5 more
openaire   +2 more sources

Methodology for extracting thermoelectric module parameters

Proceedings of the 21st IEEE Instrumentation and Measurement Technology Conference (IEEE Cat. No.04CH37510), 2004
The fundamental temperature-dependent parameters of a thermoelectric (TE) module: coefficient, electrical resistance, thermal conductance, and figure-of-merit are necessary, among other factors, for the conception of models for this type of devices. In this work we present a methodology for calculating these parameters from observable variables, which ...
D. Mitrani, J.A. Tome, J. Salazar, A. Turo, M.J. Garcia, J.A. Chavez   +5 more
openaire   +1 more source

Parameters affecting microwave‐assisted extraction of withanolides

Phytochemical Analysis, 2001
AbstractFocused microwave‐assisted extraction was applied to the extraction of three main withanolides from air‐dried leaves of Iochroma gesnerioides, namely, withaferin A, iochromolide and withacnistin. Six extraction variables, i.e. nature and volume of extracting solvent, sample moisture, extraction time, power of irradiation and particle size, were
Kaufmann, Béatrice, Christen, Philippe, Veuthey, Jean-Luc   +2 more
openaire   +3 more sources

Parameter extraction of ferrite transformers using S-parameters

Proceedings of 14th International Power Electronics and Motion Control Conference EPE-PEMC 2010, 2010
A characterization of ferrite transformers based on S-parameters measurement using vector network analyzer and specially developed PCB test fixture is presented. Ferrite transformers are realized with commercially available ferrite component. In addition, in order to verify the measurement procedure, we have tested the same component using impedance ...
Mirjana Damnjanovic, Ljiljan Zivanov, Goran Radosavljevic, Andrea Maric, Aleksandar Menicanin   +4 more
openaire   +1 more source

Extraction of resonance parameter

AIP Conference Proceedings, 2012
The resonance parameters of excited nucleons and the methods to extract them from the analysis of the partial wave amplitudes of meson production reactions are described briefly.
openaire   +1 more source

Oil extracts of herbal drugs--optimisation of the extraction parameters.

Die Pharmazie, 2009
The plant constituents of fourty two olive oil extracts from chamomile flowers [Chamomilla recutita (L.) Rauschert] were analysed by means of GC, VIS-spectrometry, and HPLC in order to assess the effectiveness of the traditional extraction methods of the German Homoeopathic Pharmacopoeia (HAB 2008).
Stahl-Biskup, E., Heldmaier, M., Beyer-Koschitzke, J.   +2 more
openaire   +2 more sources

Physical Parameter Extraction

1998
In chapter 3, the interactions between the components of a microsystem were formalized using energy based macro-models based on generalized variables, the equivalent circuit approach and hardware description languages, to model the exchange of energy and information between components in a microsystem.
openaire   +1 more source

Parameter extraction for bipolar transistors

Microelectronic Engineering, 1998
Different methods of extracting the DC Gummel-Poon bipolar transistor model parameters are reviewed. First the shortcomings of the classical extraction schemes for the intrinsic model are presented together with some improved procedures. Finally the extraction of the series resistances is addressed.
Fredrik Ingvarson, Kjell O. Jeppson
openaire   +1 more source

Parameters extraction for DRIE model

2008 3rd IEEE International Conference on Nano/Micro Engineered and Molecular Systems, 2008
In this paper, a set of experiments were carried out to extraction the parameters of two-dimensional (2D) Bosch process simulator, DROPIE, from process parameters. These experiments were selected based on the response surface method (RSM). The experimental results were coupled with the DROPIE, and its simulation results agreed with fabrication results ...
null Yunxia Guo, null Yisong Wang, null Guangyi Sun, null Haixia Zhang   +3 more
openaire   +1 more source