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Notice of Violation of IEEE Publication Principles"HDL System-Level Design of O-QPSK Receiver for 2.4-GHz Band IEEE 802.15.4"by Ahmed El Oualkadi, Denis Flandre in the Proceedings of the International Conference on Design&Technology of Integrated Systems in Nanoscale Era, 2007. DTIS, September 2007After careful and considered review of the content and authorship of this paper by a duly...
The entire verification of simple and complex constraints is crucial to the development of highly reliable microelectronic systems as they are demanded by the zero defect policy in the automobile industry. The increasing requirements on electronic components and the rapid technological progress necessitate the compliance with all specified functional and non-functional properties. This paper describes...
In this paper a new non-linear model of electrokinetic phenomena as well as results of the model simulations are presented. The origin of the model can be found in electric double layer and site binding theories, therefore the model is based on physical and physico-chemical constants such as buffer pH, zeta-potential or fluid viscosity. The model was thought as a first-attempt-model, very useful while...
The paper presents a novel approach to efficient performance modelling and optimisation which can be applied to automatic synthesis of circuit-level radio frequency (RF) analogue circuits. Support vector machines regression models are used to construct automatically general performance models for RF circuits which lend themselves naturally to pattern-search optimisation by exploring the design space...
This paper presents reconfigurable FPGA-based hardware accelerator for embedded DSP. At first the principle of shared-memory based processor are shown and then specific universal balanced architecture is proposed. An example of processor for TVDFT on the given accelerator is also given. Implementation of multiplier and adder based on the serial arithmetic are included as processor elements.
During a long range intercontinental commercial flight from Europe to Australia the neutron and photon dose equivalents have been evaluated using a pair of electronic pocket dosemeters ALOKA PDM-313 and ALOKA PDM-111, respectively. A temperature compensated superheated emulsion (bubble) detector and an aluminium oxide TL-Dosimeter were carried together for the purpose of in-flight calibration of the...
This article shows an algorithm to generate Walsh functions in four different orderings: Hadamard, Harmuth, Paley and strict sequency. The properties and mutual relations among these four orderings are analyzed and a method is developed that allows any of the orderings to be generated from the primary set of Rademacher functions. Finally, a programmable Walsh function generator for 64 outputs is implemented...
The paper presents a low-latency implementation of Cartesian-polar coordinate conversion in a Virtex II pro FPGA. The accuracy and resource consumption of the module is comparable to the one obtained with the Xilinx CORDIC IP Core, but the latency has been reduced to 65%. The application of the conversion module to the cavity detuning computation in low-level radio frequency control system for a FLASH...
This paper presents a brief overview of the monolithic integration in the field of power electronics. Emphasis is mainly put on the functional integration concept. The role that this mode of integration, according to its classical definition, played to enable the monolithic integration of the power device with auxiliary elements (mainly protections and supply) for the realization of new functions...
In the frame of the European CARE project, we designed and constructed three apparatus dedicated to full characterization of low voltage piezoelectric actuators. These piezostacks are integrated in fast active cold tuning systems (FACTS) and used for dynamic stabilisation of the resonant frequency of Superconducting RF (SRF) cavities. The three facilities we developed allow the measurement of electromechanical...
The following topics are dealt with: integrated circuit design; microsystems design; microelectronics technology; microelectronics packaging; testing; reliability; power electronics; signal processing; embedded systems; and information technology.
In the paper verification of new DC/DC converters control method, designed by authors with use of law of conservation of energy is presented. A comparison was made between classic DC/DC converters used widely in industry (for comparison LT1074 Linear Technology device was chosen), with converters equipped with analog-digital controller designed by authors. Results of conducted simulation research...
This paper presents an application of thermal analysis methods for the investigation of the internal structure of electronic device packages. The problem is illustrated based on the example of two silicon carbide power diodes. These diodes provided by different manufacturers have the same ratings and package type but one of the diodes exhibits oscillatory behaviour when used in a power converter....
The paper presents a translator that converts an abstract model of embedded system behaviour to an equivalent module in the C++. The code can be further compiled to executable by traditional compiler. The model, expressed in a state machine sense, is created in a graphic, convenient for a man form, under the UML editor. The translator automatically generates the code in accordance to the specific...
In the paper some modification of the LFSR sequences was proposed. Modified, predictable test pattern sequences are estimated on the basis of spectral analysis of the past sequences. Experimental results show that the number of the test vectors can be significantly reduced if classical LFSR register approach by spectral analysis will be aided. Obtained results of benchmarks circuits testing demonstrate...
The paper describes an architecture and design of digital circuit dedicated for wavelet transform calculation, being a part of complex pattern recognition and control algorithm. The target application is artificial hand controlled by the nervous system of handicapped human, setting strict requirements on timing. Speed/size trade-off is discussed in general and in the context of this particular application...
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