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A 7th order polyphase G/sub -m/C IF filter with automatic frequency tuning, implemented in a 0.35/spl mu/m CMOS process, is presented. The filter has a center frequency of 3MHz and a passband of 1MHz. The image band rejection is higher than 57dB, the stop band attenuation is at least 40dB. The in-band spurious free dynamic range is around 53dB. On-chip automatic frequency tuning provides more than
With increased market competition and advances in modern manufacturing technologies, requirements on customer orders and manufacturing conditions have become more diversified. This paper addresses a dynamic production planning problem for a steel plate fabrication plant with practical flexibility of both customers and manufacturing, such as steel slab-plate matching rules, plate substitution optio
Quality requirements complement functional requirements with information on the target quality levels of software functions or emergent system quality aspects. In release planning the allocation of development effort in further investments into product enhancements, new or enhanced functions are competing with quality improvements for limited resources. When setting balanced quality targets for de
The Sixth Sense of PR-Experts? An Expert-Novice-Comparison of PR-Problem-Solving and Implications for Public Relations-Pedagogy
Whistle-blowing can serve as a powerful mechanism helping policy-makers and other stakeholders recognize ethical misconduct and other types of wrongdoing in autonomous public agencies. This mechanism is of particular importance in major public sector reforms, such as agency mergers, when it may be difficult to secure continuity in the quality of organizational processes. Yet, we know little of wha
Over the past decade scholars in the humanities and social sciences have increasingly been pressed to demonstrate the manner in which their research is “useful” to society while simultaneously, funding for their research has been more tightly tied to bibliometric measurements that prioritize high-brow scholarship geared towards publish results in “leading” international peer-review journals. In ma
This thesis deals with tools for operational improvement of supply chain performance. The work was aimed at providing knowledge for supply chain developers and practitioners, and identifying and developing tools for improved performance in a supply chain. The investigation was part of a project financed by the European Commission called "Industrial Supply Chain Optimizer" (ISCO). The thesis consis
Lattice Boltzmann method (LBM) is an alternative to conventional CFD to capture the detailed activities of the transport processes at microscale. Here LBM is used to model the hydrogen production by splitting water by incident sunlight over water covered Si-nanorods. The purpose of this study is, by a 3D microscale model, to investigate the transport and the formation of the hydrogen bubbles by el
Sustainable development; Sweden; Regional
Simultaneous laser-induced fluorescence (LIF) imaging of formaldehyde and a fuel-tracer have been performed in a direct-injection HCCI engine. A mix of N-heptane and iso-octane was used as fuel and Toluene as fluorescent tracer. The experimental setup involves two pulsed Nd:YAG lasers and two ICCD cameras. Frequency-quadrupled laser radiation at 266 nm from one of the Nd:YAG lasers was used for ex
The distribution of the output error burst lengths from a Viterbi decoder is of particular interest in connection with concatenated coding systems, where the inner code is convolutional. From the expurgated, random, and sphere-packing exponents for block codes an upper bound on this distribution for the ensemble of periodically time-varying convolutional codes is obtained. Finally, the distributio
The key success factor for companies is to develop and deliver services and products that satisfy customer needs and create customer value. When introducing e-businesses as a new channel, it is becoming increasingly important to consider customers, since they will have a higher level of influence on the company through the interactive channel. This paper sets out to describe the process of conside
