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Similarities and Differences in Policies and Practices for the Acquisition of English as a Second Language: A Comparative Study of Sweden and Vietnam

The paper highlights differences in approaches to teaching English as a second language for primary school children (grade 5) in Sweden and Vietnam. The paper will draw on data collected from classroom, teachers and curriculum on English teaching that reflect the policy of English teaching in the two countries,. Implications for national policies and classroom practices for teaching and learning o

Chained Gallager codes

The ensemble of regular Low-Density Parity-Check (LDPC) codes introduced by Gallager is considered. Using probabilistic arguments a lower bound on the normalized minimum distance is derived. A new code construction, called Chained Gallager codes, is introduced as the combination of two Gallager codes and its error correcting capabilities are studied.

Social Science Research on technology and the Elderly - does it exist?

Background: Despite the fact that old people´s technological needs have been payed much attention to in the last decennium, especially old users of information- and communication technology, technology has not found its natural place in research on ageing in modern societies. Purpose: This article examines to what extent social science research exist in the field of ageing and technology and where

A 0.13µm CMOS ΔΣ PLL FM Transmitter

A short range FM transmitter is presented. It uses an architecture where the output frequency of a phase locked loop (PLL) is modulated by varying the division number of the feedback divider, using the 1-bit output of a ΔΣ ADC. The measured total harmonic distortion (THD) plus noise is less than 1% at 75 kHz deviation. The transmitter is fully integrated in a 0.13µm CMOS process and the core area

För minnenas skull

Regular column on theatre in the weekly newspaper Arbetaren (The Worker).